Publications

Patents, Reports & Publications

by ORNL's Power Electronics & Electric Machinery Research Center Group Members



Patents

M. Chinthavali, Gas Cooled Traction Drive Inverter, US Patent No. 9,320,179 B2. Issued April 19, 2016.

Z. Liang, P. Ning, F. Wang, and L. Marlino, Power Module Packaging with Double Sided Planar Interconnection and Heat Exchangers, US Patent No. 9,041,183. Issued May 25, 2015.

A. Wereszczak, Sintered Silver Joints via Controlled Topography of Electronic Packaging Subcomponents,  US Patent No. 8,822,036 B1. Issued on September 2, 2014.

G-J. Su, Electrical Motor/Generator Drive Apparatus and Method, US Patent No. 8,373, 372; DOE-S No. S-115,264. Issued February 12, 2013.

Z. Liang et al., Power Module Packaging with Double Sided Planar Interconnection and Heat Exchangers Patent No. US 2013/0020694 A1. Issued January 24, 2013

J. S. Hsu, Utilization of Rotor Kinetic Energy Storage for Hybrid Vehicles. US Patent #7,936,076 B2.Issued May 3, 2011.

R. H. Wiles, A. A. Wereszczak, C. W. Ayers, and K. T. Lowe, Direct Cooled Power Electronics Substrate. US Patent #7,796,388 B2. Issued September 14, 2010

G.-J. Su, Electric Vehicle System for Charging and Supplying Electrical Power, ApplNumber 11/859,006; Filed September 21, 2007, US Patent #7,733,039 B2. Issued June 8, 2010.

J. S. Hsu, Permanent Magnet Machine and Method with Reluctance Poles and Non-Identical PM Poles for High Density Operations, Patent #7,719,153. Issued May 18, 2010.

J. S. Hsu, L. D. Marlino, and C. W. Ayers, Method of Making Hermetic Seals for Mermetic Terminal Assemblies, ApplNumber 10/837,767; Filed May 3, 2004, US Patent #7,695,663 B2, issued April 13, 2010.

J. S. Hsu and J. W. McKeever, High pressure, High Current, Low Inductance, High Reliability Sealed Terminals, US Patent #7,683,264 B2. Issued March 23, 2010.

J. Hsu, Two Stage Eutectic Metal Brushes. US Patent #7,560,847. Issued July 14, 2009.

J. Hsu, High Slot Utilization System for Electric Machines. US Patent #7,550,892. Issued June 23, 2009.

J. Hsu, High Strength Undiffused Brushless Machine and Method, US Patent #7,518,278. Issued April 14, 2009.

J. Hsu, Axial-Gap Permanent-Magnet Machine WITH Reluctance Poles and PM Element Covers/ US Patent #7,514,833. Issued April 7, 2009.

G. J. Su, Triple Voltage dc-to-dc Converter and Method. US Patent #7,408,794. Issued August 5, 2008.

L. D. Marlino, C. L. Coomer, J. S. Hsu, and C. W. Ayers, Floating Loop System for Cooling Integrated Motors and Inverters. US Patent #6,993,924. Issued February 7, 2006.

J. S. Hsu, Hybrid-Secondary Uncluttered Permanent-Magnet (HSU-PM) Machine. US Patent #6,977,454. Issued December 20, 2005.

J. S. Hsu, HSUB Reluctance Machine. US Patent #6,972,504. Issued December 6, 2005.

G. J. Su, Multilevel DC Bus Inverter for Providing Sinusoidal and PWM Electrical Machine. US Patent #6,969,967. Issued November 29, 2005.

J. S. Hsu, D. J. Adams, G. J. Su, L. D. Marlino, C. W. Ayers, and C. L. Coomer, Cascaded Die Mountings with Spring-Loaded Contact-Bond Options. US Patent #6,930,385. Issued August 16, 2005.

J. S. Hsu, Electrofriction Method of Manufacturing Squirrel Cage Rotors. US Patent #6,877,210. Issued April 12, 2005.

J. S. Hsu, Simplified Hybrid-Secondary Uncluttered Induction (HSU-I) Machine. US Patent #6,891,301. Issued May 10, 2005.

D. J. Adams, J. S. Hsu, and G. J. Su, Utilizing Zero-Sequence Switchings for Reversible Converters. US Patent #6,831,442. Issued December 14, 2004.

J. S. Hsu, D. J. Adams, G. J. Su, L. D. Marlino, C. W. Ayers, and C. L. Coomer, Total Thermal Management System for Hybrid and Full Electric Vehicles, US Patent #6,772,603. Issued August 10, 2004.

D. J. Adams, J. S. Hsu, and G. J. Su, Utilization of Corner Scraps of Stator Punching for Associated Apparatus, USPatent #6,707,222. Issued March 16, 2004

J. S. Hsu, Superconducting High Strength Undiffused Brushless (HSUB) Motors and Generators, US Patent #6,700,297. Issued March 2, 2004,

G. J. Su, Multilevel DC Link Inverter, United States Patent Number 6,577,087. Issued June 19, 2003.

J. S. Hsu, Method and Machine for High Strength Undiffused Brushless Operation, United States Patent Number 6,573,634. Issued June 3,2003 .

J. D. Muhs, M. B. Scudiere, et al., Methods of Apparatus for Converting Static In-Ground Vehicle Scales Into Weigh-In-Motion Systems, United States Patent Number 6,459,050. Issued April 9, 2002.

D.J Adams, F.Z. Peng, Isolated and Soft-Switched Power Converter, United States Patent Number 6,370,050. Issued April 9, 2002 .

J. S. Hsu, Hybrid-Secondary Uncluttered (HSU) Induction Machine, United States Patent Number 6,310,417. Issued October 30, 2001.

J.M. Bailey, Constant Power Speed Range Extension of Surface Mounted Permanent Magnet Motors, United States Patent Number 6,236,179. Issued May 22, 2001.

F. Z. Peng, Auxiliary Resonant DC Tank Inverter (ARDCT), United States Patent Number 6,111,770. Issued August 29, 2000.

E. A. Franco-Ferreira, J. Hsu, Methods of Manufacturing Squirrel Cage Rotors, United States Patent Number 6,088,906. Issued July 18, 2000.

F. Z. Peng, Power Line Conditioner Using Cascade Multilevel Inverters for Voltage Regulation, Reactive Power Correction, and Harmonic Filtering, United States Patent Number 6,075,350. Issued June 13, 2000.

J. S. Hsu, Direct control of Air Gap Flux in Permanent-Magnet Machines, United States Patent Number 6,057,622, May 2, 2000.

M. B. Scudiere, C. P. White, et al.  System and Methods for Accurately Weighing and Characterizing Moving Vehicles. United States Patent No. 5,998,741, issued December 7, 1999.

M. B. Scudiere, C. P. White, et al.  System and Method for Accurately Weighing and Characterizing Moving Vehicles, United States Patent No. 5,959,259, issued September 28, 1999.

J. S. Hsu, D. J. Adams, Permanent Magnet Energy Conversion Machine with Magnet Mounting Arrangement, United States Patent Number 5,952,756, issued September 14, 1999.

J. S. Hsu,Soft-Commutated Direct Current Motor, United States Patent No. 5,929,579, issued July 27, 1999.

J. S. Hsu, D. J. Adams, Method and Apparatus for Assembling Permanent Magnet Machines. United States Patent No. 5,914,552, issued June 22, 1999.

J. S. Hsu, Extended Cage Adjustable Speed Electric Motors and Drive Packages. United States Patent No. 5,886,445, issued March 23, 1999.

J. S. Hsu,Homopolar Motor with Dual Rotors. United States Patent Number 5,844,345, issued December 1, 1998.

J. S. Lai, R. W. Young, Sr., M. B. Scudiere, G. W. Ott, Jr., C. P. White, F. Z. Peng, J. W. McKeever,Delta Connected Resonant Snubber Circuit. United States Patent No. 5,710,698, issued January 20, 1998.

M. A. Akerman, C. W. Ayers, H. D. Haynes, J. M. SpicerWireless System for Early Intrusion Detection and Tracking Within Residential Yards. United States Patent Number 5,696,489, issued December 09, 1997 .

J. D. Kueck, P. J. Otaduy, "Method for Assessing In-Service Motor Efficiency and In-Service Motor/Load Efficiency," United States Patent No. 5,661,386, issued August 26, 1997.

F. Z. Peng, J. S. Lai, "Voltage Balanced Multilevel Voltage Source Converter System," United States Patent No. 5,644,483, issued July 1, 1997.

F. Z. Peng, J. S. Lai, "Multilevel Cascade Voltage Source Inverter with Separate DC Sources, "United States Patent No. 5,642,275, issued June 24, 1997.

J. S. Lai, R. W. Young, Sr., D. Chen, M. B. Scudiere, G. W. Ott, Jr., C. P. White, F. Z. Peng, J. W. McKeever, "Resonant Snubber Inverter," United States Patent No. 5,642,273, issued June 24, 1997.

J. M. Bailey, J. S. Lawler, et al., "Quasi Square-Wave Back-EMF Permanent Magnet AC Machines with Five or More Phases",  United States Patent No. 5,642,009 issued June 24, 1997.

J. D. Kueck, P. J. Otaduy, "Method and Apparatus for Assessing Motor Insulation on Operating Motors, "United States Patent No. 5,612,601, issued March 18, 1997.

C. W. Ayers, D. A. Casada, H. D. Haynes, "Remote Tachometer and Motor Evaluator," United States Patent Number 5,578,937, issued November 26, 1996.

M. A. Akerman, C. W. Ayers, H. D. Haynes, "Ultrasonic Speech Translator and Communication System," United States Patent Number 5,539,705, issued July .

C. W. Ayers, L. M. Dickens, H. D. Haynes, "Current Signature Analysis Method For Rotating Aircraft Components," United States Patent Number 5,483,833, issued January 16, 1996

J. M. Bailey, J. S. Lawler, et al., "Quasi Square-Wave Back-EMF Permanent Magnet AC Machines with Five or More Phases", United States Patent No. 5,394,321, issued February 28, 1995.

G. J. Capps, J. D. Muhs, D. B. Smith, C. P. White, "Elastomeric Optical Fiber Sensors and Method for Detecting and Measuring Events Occurring in Elastic Materials," United States Patent No. 5,374,821, issued December 20, 1994.

M. B. Scudiere, "Non-Intrusive Beam Power Monitor for High Power Pulsed or Continuous Wave Lasers," United States Patent No. 5,184,189, issued February 20, 1993.

J. M. Bailey and R. A. Hawsey, "Disc Rotors with Permanent Magnets for Brushless DC Motor", United States Patent No. 5,177,141, issued May 26, 1992.

R. A. Hawsey, J. M. Bailey, "Ultra-High Speed Permanent Magnet Axial Gap Alternator with Multiple Stators," United States Patent Number 4,996,457, issued February 26, 1991.

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Reports

2006

P. J. Otaduy and J. W. McKeever, "Modeling Reluctance-Assisted PM Motors," Oak Ridge National Laboratory, ORNL/TM-2005-185, January 13, 2006.

2005

J. B. Campbell, T. J. King, B. Ozpineci, D. T. Rizy, L. M. Tolbert and Y. Xu (UTK), "Ancillary Services Provided from DER," Oak Ridge National Laboratory, ORNL/TM-2005/263, December 21, 2005.

J. S. Lawler (UTK), "Control Techniques for PMSM with Surface Mounted Magnets and Fraction-Slot Concentrated Windings," Oak Ridge National Laboratory, ORNL/TM-2005/184, December 21, 2005.

L. M. Tolbert, T. J. King, B. Ozpineci, J. B. Campbell, G. Muralidharan, D. T. Rizy, A. S. Sabau, H. Zhang (UTK), W. Zhang (UTK), X. Yu (UTK), H. F. Huq (UTK), and H. Liu (UTK), "Power Electronics for Distributed Energy Systems and Transmission and Distribution Applications: Assessing the Technical Needs for Utility Application," Oak Ridge National Laboratory, ORNL/TM-2005/230, December 21, 2005.

M. S. Chinthavali, B. Ozpineci, A. K. Kashyap, and L. M. Tolbert, "Wide-Bandgap Semiconductors," Oak Ridge National Laboratory, ORNL/TM-2005/214, November 22, 2005.

M. R. Starke, C. W. Ayers, and J. S. Hsu, "Potential Refrigerants for Power Electronics Cooling," Oak Ridge National Laboratory, ORNL/TM-2005/219, October 24, 2005.

Hui Li (Florida State University), "Development of a Novel Bi-Directional Isolated Multiple-Input DC-DC Converter," Oak Ridge National Laboratory, Subcontract Report, October 24, 2005.

J. W. McKeever, "Fractional-Slot Surface Mounted PM Motors with Concentrated Windings for HEV Traction Drives," Oak Ridge National Laboratory, ORNL/TM-2005/183, October 24, 2005.

R. H. Wiles, C. L. Coomer, and J.S. Hsu, "Interior Permanent Magnet Reluctance Machine with Brushless Field Excitation," Oak Ridge National Laboratory, ORNL/TM-2005/222, October 7, 2005.

K. T. Lowe, C. W. Ayers, C. L. Coomer, R. H. Wiles, M. T. McFee, and J. S. Hsu, "Floating Refrigerant Loop Based on R-134a Refrigerant Cooling of High-Heat Flux Electronics," Oak Ridge National Laboratory, ORNL/TM-2005/223, October 7, 2005.

F. Z. Peng (Michigan State University), "Z-Source Inverter for Fuel Cell Vehicles," Oak Ridge National Laboratory, Subcontract Report, October 7, 2005.

M. Olszewski"FY2005 Oak Ridge National Laboratory Annual Progress Report for the Power Electronics and Electric Machinery Program," Oak Ridge National Laboratory, ORNL/TM-2005/264, December 2005.

Seong-Taek Lee and John Hsu, "Finite-Element Analyses of IPM Reluctance Motor," Oak Ridge National Laboratory, ORNL/TM-2005/209, September 27, 2005.

P. J. Otaduy and J. W. McKeever, "Real Time Flux Control in PM Motors," Oak Ridge National Laboratory, ORNL/TM-2005/175, September 27, 2005.

J. S. Hsu and L. D. Marlino, "Emerging Two-Phase Cooling Technologies for Power Electronic Inverters," Oak Ridge National Laboratory, ORNL/TM-2005/156, August 17, 2005.

J. S. Hsu, C. W. Ayers, S. L. Campbell, C. L. Coomer, and K. T. Lowe, "Report on Toyota/Prius Motor Torque-Capability, Torque-Property, No-Load Back-EMF, and Mechanical Losses," Oak Ridge National Laboratory, ORNL/TM-2004/185, June 30, 2005.

P. J. Otaduy and W. C. Johnson, "The Role of Reluctance in PM Motors," Oak Ridge National Laboratory, ORNL/TM-2005/86, June 20, 2005.

J. S. Hsu, C. L. Coomer, and  S.L. Campbell, "Corona and Motor Voltage Interim Report," Oak Ridge National Laboratory, ORNL/TM-2005/53, June 20, 2005.

J. W. McKeever, S. C. Nelson, and G. J. Su, "Boost Converters for Gas Electric and Fuel Cell Hybrid Electric Vehicles," Oak Ridge National Laboratory, ORNL/TM-2005/60, May 27, 2005.

S. C. Nelson and C. W. Ayers, "Testing of the Semikron Validation AIPM Unit at the Oak Ridge National Laboratory: January 2005," Oak Ridge National Laboratory, ORNL/TM-2005/44, March 29, 2005.

J. W. McKeever, J. M. Bailey, G. J. Su, J. S. Hsu, C. W. Ayers, L. E. Seiber, and J. S. Lawler, "Radial-Gap Permanent Magnet Motor and Drive Research FY2004," Oak Ridge National Laboratory, ORNL/TM-2005/263, February 14, 2005.

J. S. Hsu, S. C. Nelson, P. A. Jallouk, C. W. Ayers, R. H. Wiles, S. L. Campbell, C. L. Coomer, K. T. Lowe, and T. A. Burress, "Report on Toyota Prius Motor Thermal Management," Oak Ridge National Laboratory, ORNL/TM-2005/33, February 14, 2005.

J. W. McKeever, J. M. Bailey, and J. S. Lawler, "A Preliminary Cost Study of the Dual Mode Inverter Controller," Oak Ridge National Laboratory, ORNL/TM-2004/262, January 31, 2005.

2004

B. Ozpineci, L. M. Tolbert, and D. J. Adams, "Trade Study on Aggregation of Multiple 10-kW Solid Oxide Fuel Cell Power Modules," Oak Ridge National Laboratory, ORNL/TM-2004/248, December 3, 2004.

C. W. Ayers, J. S. Hsu, L. D. Marlino, C. W. Miller, G. W. Ott, and C. B. Oland, "Evaluation of 2004 Toyota Prius Hybrid Electric Drive System Interim Report," Oak Ridge National Laboratory, ORNL/TM-2004/247, November 23, 2004.

S. C. Nelson, C. W. Ayers, and L. D. Marlino, "Testing of the Semikron Validation AIPM Unit," Oak Ridge National Laboratory, ORNL/TM-2004/246, November 12, 2004.

R. H. Staunton, S. C. Nelson, P. J. Otaduy, J. W. McKeever, J. M. Bailey, S. Das, and R. L. Smith, "PM Motor Parametric Design Analyses for a Hybrid Electric Vehicle Traction Drive Application," Oak Ridge National Laboratory, ORNL/TM-2004/217, October 11-12, 2004.

J. S. Hsu, C. W. Ayers, S. L. Campbell, C. L. Coomer, and K. T. Lowe, "Report on Toyota/Prius Motor Torque-Capability, Torque-Property, No-Load Back-EMF, and Mechanical Losses," Oak Ridge National Laboratory, ORNL/TM-2004/185, September 2004.

I. Sauers, D. R. James, a. R. Ellis, C. E. Easterly, and J. S. Hsu, "Preliminary Measurements of Dielectric and Toxic Properties of Potential Refrigerants for Two-Phase Cooling of Power Electronics and Motors," Oak Ridge National Laboratory, ORNL/TM-2004/210, September 2004.

S. C. Nelson, "Performance Testing the Series Machine from Delphi," Oak Ridge National Laboratory, ORNL/TM-2004/136, August 2004.

R. H. Staunton, P. J. Otaduy, J. W. McKeeer, S. C. Nelson, and J. M. Bailey, "PM Motor Parametric Design Analyses for Hybrid Electric Vehicle Traction Drive Application: Interim Report," Oak Ridge National Laboratory, ORNL/TM-2004/120, August 2004.

J. S. Hsu, C. W. Ayers, and C. L. Coomer, "Report on Toyota/Prius Motor Design and Manufacturing Assessment," Oak Ridge National Laboratory, ORNL/TM-2004/137, July 2004.

R. H. Staunton, "Compatibility Study of Protective Relaying in a Grid-Connected Fuel Cell," Oak Ridge National Laboratory, ORNL/TM-2004/12, April 2004.

2003

S. C. Nelson, "Performance Testing the Series Electric Machine from Delphi-October 2003," Oak Ridge National Laboratory, ORNL/TM-2003/271, December 2003.

B. Ozpineci and L. M. Tolbert, "Comparison of Wide-Bandgap Semiconductors for Power Electronics Applications," Oak Ridge National Laboratory, ORNL/TM-2003/257, December 2003.

R. H. Staunton, B. Ozpineci, T. J. Theiss, and L. M. Tolbert, "Review of the State-of-the-Art in Power Electronics Suitable for 10kW Military Power Systems," Oak Ridge National Laboratory, ORNL/TM-2003/209, December 2003.

S. C. Nelson, L. D. Marlino, and M. B. Scudiere, "Electrical Evaluation of Pre-Production Silicon Power Corporation High-Voltage AIPM Inverter," Oak Ridge National Laboratory, ORNL/TM-2003/268, September 2003.


R. H. Staunton and B. Ozpineci
"Microturbine Power Conversion Technology Review," ORNL/TM-2003/74, Oak Ridge National Laboratory, UT-Battelle, LLC, July 2003.

J. S. Hsu, G. J. Su, D. J. Adams, and C. L. Coomer
"CRADA Final Report for CRADA Number ORNL 00-0584: Advanced Accessory Power Supply Technology,"  C/ORNL00-0584, Oak Ridge National Laboratory, UT-Battelle, LLC, June 2003.

L. D. Marlino and M. B Scudiere
"Electrical Evaluation of Semikron High Voltage AIPM Inverter," ORNL/TM-2003/146, Oak Ridge National Laboratory, UT-Battelle, LLC, June 2003.

S. C. Nelson
"Performance Testing the Parallel Electric Motor from Delphi Automotive" - March 2003, ORNL/TM-2003/132, Oak Ridge National Laboratory, UT-Battelle, LLC, May 2003.

S. C. Nelson "Testing the Epsilon Motor - An Axial-Gap Permanent Magnet Motor with a Rotor-Stator-Rotor Configuration," ORNL/TM-2003-45, Oak Ridge National Laboratory, UT-Battelle, LLC, February 2003.

2002

D. J. Adams "FY2002: Oak Ridge National Laboratory Progress Report for the Power Electronics and Electric Machinery Program," Oak Ridge National Laboratory, UT-Battelle, LLC, November 2002

S. C. Nelson "Overview of the Safety Issues Associated with the Compressed Natural Gas Fuel System and Electric Drive System in a Heavy Hybrid Electric Vehicle," ORNL/TM-2002/238, UT-Battelle, LLC, November 2002

S. C. Nelson "Initial Testing of the Proof of Concept Parallel Automotive Electric Motor Drive (AEMD) from Delphi Automotive," Topical Report, June 2002

2001

D. J. Adams "FY2001: Oak Ridge National Laboratory Progress Report for the Power Electronics and Electric Machinery Program," Oak Ridge National Laboratory, UT-Battelle, LLC, 2001

D. J. Adams "Quarterly Report: Vehicle Power Electronics and Electric Machines Program," July 2001-September 2001, October 2001

J. S. Hsu "CRADA Between ORNL and LMCS for a Low-Cost Adjustable-Speed Motor Drive Package," C/ORNL97-0464, August 2001

D. J. Adams, J. M. Bailey, K. J. cunningham, J. W. McKeever, G. W. Ott Jr., C. P. White W. O. Harvey "CRADA Final Report for CRADA No. ORNL 94-0326 "Air Conditioning System with Improved Efficiency for Hybrid/ Electric Vehicles," C/ORNL94-0326, Oak Ridge National Laboratory, UT-Battelle, July 2001

J. W. McKeever, G. J. Su, G. W. Ott Jr., K. Samons "Phase II CRADA ORNL99-0568 Report: Developing Transmission-Less Inverter Drive Systems for Axial-Gap Permanent Magnet Accessory and Traction Motors and Generators," C/ORNL99-0568, Oak Ridge National Laboratory, UT-Battelle, July 2001

C. W. Ayers, J. Powell, R. Sweeney, J. Ferguson "CRADA Final Report for CRADA No. ORNL98-0521: Development of an Electric Bus Inverter Based on ORNL Auxiliary Resonant Tank(ART) Soft-Switching Technology," C/ORNL98-0521, May 2001

D. J. Adams "Quarterly Report: Vehicle Power Electronics and Electric Machines Program," January 2001-March 2001, May 2001

D. J. Adams "Quarterly Report: Vehicle Power Electronics and Electric Machines Program," April 2001-June 2001, August 2001

2000

D. J. Adams "FY2002: Oak Ridge National Laboratory Progress Report for the Power Electronics and Electric Machinery Program," Oak Ridge National Laboratory, UT-Battelle, LLC, 2000

J. S. Hsu, P. A. Jallouk, R. H. Staunton "Report on the Feasibility Study for Improving Electric Motor Service Centers in Ghana," ORNL/TM-1999/191, December 2000

J. M. Bailey, J. W. McKeever, M. B. Scudiere, G. J. Su, C. W. Ayers, C. P. White, G. W. Ott, C. L. Coomer, J. S. Lawler "Dual Mode Inverter Control Test Verification," ORNLTM-2000/172, March 2000

J. M. Bailey, J. S. Lawler, L. W. McKeever "Extended Constant Power Speed Range of the Brushless DC Motor Through Dual Mode Inverter Control," ORNL/TM-2000/130, 2000

1999

J. B. Andriulli, A. E. Gates, H. D. Haynes, L. B. Klett, S. N. Matthews, E. A. Nawrocki, P. J. Otaduy, M. B. Scudiere, T. J. Theiss, J. F. Thomas, L. M. Tolbert, M. L. Yauss, C. A. Voltz "Advanced Power Generation Systems for the 21 Century: Market Survey and Recommendations for a Design Philosophy," ORNL/TM-1999/213, November 1999.

M. B. Scudiere, A. A. Wereszczak, K. Breder, L. Riester, T. P. Kirkland, and R. J. Bridge "Tower the Assessment of Mechanical Robustness of Ceramic Multilayer Capacitors (MLCs)," ORNL/TM-1999/202 October 1999

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Multilevel Inverters for Utility and Transportation Applications

Z. Du, L. M. Tolbert, J. N. Chiasson, H. Li, "Low Switching Frequency Active Harmonic Elimination in Multilevel Converters with Unequal DC Voltages," IEEE Industry Applications Society Annual Meeting, October 2-6, 2005, Hong Kong, China.

B. Ozpineci, L. M. Tolbert, and J. N. Chiasson, “Harmonic Optimization of Multilevel Converters using Genetic Algorithms,” pp. 92–95 in the IEEE Power Electronics Letters, September 2005.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Reduced Switching Frequency Computed PWM Method for Multilevel Converter Control, "IEEE Power Electronics Specialists Conference, June 12-16, 2005, Recife, Brazil, pp. 2560-2564.

G. J. Su, “Multilevel DC Link Inverter,” pp. 848–854 in IEEE Transactions On Industry Applications, 41(3), May/June 2005.

B. Ozpineci, L. M. Tolbert, J. N. Chiasson, "Harmonic Optimization of Multilevel Converters Using Genetic Algorithms," IEEE Power Electronics Letters, 2005 (accepted - in press)

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "Elimination of Harmonics in a Multilevel Converter using the Theory of Symmetric Polynomials and Resultants, "IEEE Transactions on Control Systems Technology, vol. 13, no. 2, March 2005, pp. 216-223.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Modulation Extension Control for Multilevel Converters Using Triplen Harmonic Injection with Low Switching Frequency," IEEE Applied Power Electronics Conference, March 6-10, 2005, Austin, Texas, pp. 419-423.

L. M. Tolbert, J. N. Chiasson, Z. Du, K. J. McKenzie, "Elimination of Harmonics in a Multilevel Converter with Non Equal DC Sources," IEEE Transactions on Industry Applications, vol. 41, no. 1, Jan./Feb. 2005, pp. 75-82.

J. N. Chiasson, L. M. Tolbert, Z. Du, K. J. McKenzie, "The Use of Power Sums to Solve the Harmonic Elimination Equations for Multilevel Converters," European Power Electronics and Drives Journal, vol. 15, no. 1, February 2005, pp. 19-27.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Harmonic Elimination for Multilevel Converter with Programmed PWM Method," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 2210-2215.

G. J. Su, “Multilevel DC Link Inverter,” pp. 806–812 in IEEE/IAS 39th Annual Meeting (IAS’2004), 2, Seattle, Washington, October 3–7, 2004.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Active Harmonic Elimination in Multilevel Converters Using FPGA Control," IEEE Workshop on Computers in Power Electronics, August 15-18, 2004, Urbana-Champaign, Illinois, pp. 127-132.

B. Ozpineci, L. M. Tolbert, Z. Du, "Optimum Fuel Cell Utilization with Multilevel Inverters," IEEE Power Electronics Specialists Conference, June 20-25, 2004, Aachen, Germany, pp. 4798-4802.

B. Ozpineci, L. M. Tolbert, J. N. Chiasson, Zhong Du, "Harmonic Optimization of Multilevel Converters Using Genetic Algorithms," IEEE Power Electronics Specialists Conference, June 20-25, 2004, Aachen, Germany, pp. 3911-3916.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A Unified Approach to Solving the Harmonic Elimination Equations in Multilevel Converters," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 478-490.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A Complete Solution to the Harmonic Elimination Problem," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 491-499.

B. Ozpineci, Z. Du, L. M. Tolbert, G. J. Su, "Optimum Fuel Cell Utilization with Multilevel Converters," IEEE Applied Power Electronics Conference, February 22-26, 2004, Anaheim, California, pp. 1572-1576.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "Eliminating Harmonics in a Multilevel Inverter Using the Theory of Symmetric Polynomials and Resultants," IEEE Conference on Decision and Control, December 9-12, 2003, Maui, Hawaii, pp. 3507-3512.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "Real-Time Computer Control of a Multilevel Inverter Using the Theory of Resultants," Transactions of IMACS on Mathematics and Computers in Simulation, November 2003. pp. 197-208.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A New Approach to Solving the Harmonic Elimination Equations for a Multilevel Converter," IEEE Industry Applications Society Annual Meeting, October 12-16, 2003, Salt Lake City, Utah, pp. 640-645.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A New Approach to the Elimination of Harmonics in a Multilevel Converter," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "Control of a Multilevel Converter Using Resultant Theory," IEEE Transactions on Control System Theory, No. 3, May 2003, pp. 345-354.

L. M. Tolbert, J. N. Chiasson, K. McKenzie, Z. Du, "Elimination of Harmonics in a Multilevel Converter for HEV Applications," The 7th IEEE Workshop on Power Electronics in Transportation, October 24-25, 2002, Auburn Hills, Michigan, pp. 135-142.

L. M. Tolbert, F. Z. Peng, T. Cunnyngham, J. N. Chiasson, "Charge Balance Control Schemes for Multilevel Converter in Hybrid Electric Vehicles," IEEE Transactions on Industrial Electronics, vol. 49, no. 5, October 2002, pp. 1058-1064.

J. N. Chiasson, L. M. Tolbert, K. McKenzie, Z. Du, "Eliminating Harmonics in a Multilevel Converter using Resultant Theory," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 503-508.

F. Z. Peng, "A Generalized Multilevel Inverter Topology with Self Voltage Balancing," IEEE Industry Applications Society 35th Annual Meeting, Rome, Italy, 2000, pp. 2024-2031.

G. J. Su, D. J. Adams, "Multilevel DC Link Inverter for Brushless Permanent Magnet Motors with Very Low Inductance," 2001 IEEE Systems, Man, and Cybernetics Conference, October 7-10, 2001, Tucson, Arizona.

L. M. Tolbert, F. Z. Peng, "Multilevel Converters as a Utility Interface for Renewable Energy Systems," IEEE Power Engineering Society Summer Meeting, July 15-20, 2000, Seattle, Washington, pp. 1271-1274.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Multilevel PWM Methods at Low Modulation Indexes," IEEE Transactions on Power Electronics, vol. 15, no. 4, July 2000, pp. 719-725.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "A Multilevel Converter-Based Universal Power Conditioner," IEEE Transactions on Industry Applications, vol. 36, no. 2, Mar./Apr. 2000, pp. 596-603.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Dynamic Performance and Control of a Multilevel Universal Power Conditioner," Conference Record - IEEE Industry Applications Society 34th Annual Meeting, Phoenix, Arizona, Oct. 3-7, 1999, pp. 440-447.

L. M. Tolbert, T. G. Habetler, "Novel Multilevel Inverter Carrier-Based PWM Methods," IEEE Transactions on Industry Applications, vol. 35, no. 5, Sept./Oct. 1999, pp. 1098-1107.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "A Multilevel Converter-Based Universal Power Conditioner, "IEEE Power Electronics Specialists Conference, Charleston, South Carolina, June 27 - July 1, 1999, pp. 393-399.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Multilevel PWM Methods at Low Modulation Indices, "IEEE Applied Power Electronics Conference, Dallas, Texas, March 14-18, 1999, pp. 1032-1039.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Multilevel Converters for Large Electric Drives, "IEEE Transactions on Industry Applications, vol. 35, no.1, Jan./Feb. 1999, pp. 35-44.

F. Z. Peng, J. W. McKeever, D. J. Adams, "A Power Line Conditioner Using Cascade Multilevel Inverters for Distribution Systems, "IEEE Transactions on Industry Applications, vol. 34, no. 6, Nov. 1998, pp. 1293-1298.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Multilevel Inverters for Electric Vehicle Applications, "IEEE Workshop on Power Electronics in Transportation, Dearborn, Michigan, Oct. 22-23, 1998, pp. 79-84.

L. M. Tolbert, T. G. Habetler, "Novel Multilevel Inverter Carrier-Based PWM Methods, "Conference Record - IEEE Industry Applications Society 33rd Annual Meeting, St. Louis, Missouri, Oct. 11-15, 1998, pp. 1424-1431.

L. M. Tolbert, F. Z. Peng, "Multilevel Converters for Large Electric Drives, "IEEE Applied Power Electronics Conference, Anaheim, California, Feb. 15-19, 1998, pp. 530-536.

F. Z. Peng, J. W. McKeever, D. J. Adams, "Cascade Multilevel Inverters for Utility Applications, "IEEE IECON Proceedings, New Orleans, Louisiana, Nov. 9-13, 1997.

F. Z. Peng, J. W. McKeever, D. J. Adams, "A Power Line Conditioner Using Cascade Multilevel Inverters for Distribution Systems," Conference Record - IEEE Industry Applications Society 32nd Annual Meeting, New Orleans, Louisiana, Oct. 5-9, 1997, pp. 1316-1321.

L. M. Tolbert, F. Z. Peng, D. J. Adams, J. W. McKeever, "Multilevel Inverters for Large Automotive Electric Drives, "Second International All-Electric Combat Vehicle Conference, Dearborn, Michigan, June 8-12, 1997, pp. 209-214.

D. J. Adams, J. S. Hsu, R. W. Young, Sr., F. Z. Peng, "Power Electronics and Electric Machinery Challenges and Opportunities in Electric and Hybrid Vehicles, "Proceedings of the International Symposium on Automotive Technology and Automation, Florence, Italy, June 16-19, 1997.

F. Z. Peng, J. S. Lai, "Dynamic Performance and Control of a Static Var Generator Using Cascade Multilevel Inverters," IEEE Transactions Industry Applications, vol. 33, no. 3, May/June 1997, pp. 748-755.

F. Z. Peng, J. S. Lai, "Dynamic Performance and Control of a Static Var Generator Using Cascade Multilevel Inverters, "Conference Record - IEEE Industry Applications Society 31st Annual Meeting, San Diego, California, Oct. 6-10, 1996, pp. 1009-1015.

F. Z. Peng, J. S. Lai, J. W. McKeever, J. VanCoevering, "A Multilevel Voltage-Source Inverter with Separate DC Sources for Static Var Generation," IEEE Transactions Industry Applications, vol. 32, no. 5, Sept./Oct. 1996, pp. 1130-1138.

J. S. Lai, F. Z. Peng, "Multilevel Converters - A New Breed of Power Converters, "IEEE Transactions Industry Applications, vol. 32, no. 3, May/June 1996, pp. 509-517.

F. Z. Peng, J. S. Lai, J. W. McKeever, J. VanCoevering, "A Multilevel Voltage-Source Inverter with Separate DC Sources for Static Var Generation," Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Orlando, Florida, Oct. 8-12, 1995, pp. 2541-2548.

J. S. Lai, F. Z. Peng, "Multilevel Converters - A New Breed of Power Converters, "Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Orlando, Florida, Oct. 8-12, 1995, pp. 2348-2356.

F. Z. Peng, J. S. Lai, J. McKeever, J. VanCoevering, "A Multilevel Voltage-Source Converter System with Balanced DC Voltages, "Proceedings of the IEEE Power Electronics Specialists Conference, Atlanta, Georgia, June 1995, pp. 1144-1150.

F. Z. Peng, J. S. Lai,"A Static Var Generator Using a Staircase Waveform Multilevel Voltage-Source Converter, "Proceedings of the PCIM/Power Quality Conference, Dallas, Texas, Sept. 1994, pp. 58-66.

J. S. Lai, F. Z. Peng, "Power Converter Options for Power System Compatible Mass Transit Systems, "Proceedings of the PCIM/Power Quality and Mass Transit System Compatibility Conference, Dallas, Texas, Sept. 1994, pp. 285-294.

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Soft-Switching Converters

G. J. Su, F. Z. Peng, L. M. Tolbert, "A Passive Soft Switching Snubber for PWM Inverters," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 363-370.

F. Z. Peng, G. J. Su, L. M. Tolbert, "A Passive Soft-Switching Snubber for PWM Inverters," IEEE Power Electronics Specialists Conference, vol. 1, June 23-27, 2002, Cairns, Australia, pp. 129-134.

B. Ozpineci, J. O. P. Pinto, L. M. Tolbert, "Pulse-Width Optimization in a Pulse Density Modulated High Frequency AC-AC Converter Using Genetic Algorithms," IEEE International Conference on Systems, Man, and Cybernetics, October 7-10, 2001, Tucson, Arizona, pp. 1924-1929.

H. Li, F. Z. Peng, J. S. Lawler, "A Natural ZVS High-Power Bi-Directional DC-DC Converter with Minimum Number of Devices," IEEE Industry Applications Society Annual Meeting, September 30 - October 4, 2001, Chicago, Illinois, pp. 1874-1881.

H. Li, F. Z. Peng, J. S. Lawler, "Modeling, Simulation, and Experimental Verification of Soft-Switched Bi-Directional DC-DC Converters," IEEE Applied Power Electronics Conference, Anaheim, California, March 15-19, 2001, pp. 736-742.

F. Z. Peng, D. J. Adams, "An Auxiliary Quasi-Resonant Tank Soft-Switching Inverter," IEEE Industry Applications Society 35th Annual Meeting, Rome, Italy, Oct. 8-12, 2000, pp. 2397-2403.

H. Li, F. Z. Peng, J. Lawler, "A Study of Modeling and Simulation for Soft-Switched Bi-Directional DC-DC Converters," 7th Workshop on Computers in Power Electronics, July 16-18, 2000, Blacksburg, Virginia, pp. 69-74.

J. Chang, J. Hu, F. Z. Peng, "Modular, Pinched DC-Link and Soft Commutated Three-Level Inverter," IEEE Power Electronics Specialists Conference, Charleston, South Carolina, June 27 - July 1, 1999, pp. 1065-1070.

F. Z. Peng, D. J. Adams, "Auxiliary Resonant Tank Soft-Switching Inverter," PEBB Applications Workshop, San Diego, California, Nov. 5-7, 1997.

D. J. Adams, "ORNL Developing High Efficiency Inverter," Technologies for Energy Management, vol. 4, no. 8, August 1996, pp. 5-6.

J. S. Lai, R.W. Young, Sr., G. W. Ott, Jr., J. W. McKeever, F. Z. Peng,"A Delta Configured Auxiliary Resonant Snubber Inverter," IEEE Transactions on Industry Applications, vol. 32, no. 3, May 1996, pp. 518-524.

J. S. Lai, "Resonant Snubber Based Soft-Switching Inverters for Electric Propulsion Drives," Proceedings of the IEEE 22nd International Conference on Industrial Electronics, Control, and Instrumentation, IECON, Taipei, Taiwan, Aug. 5-10, 1996, pp. 47-52.

J. S. Lai, R.W. Young, Sr., G. W. Ott, Jr., J. W. McKeever, F. Z. Peng, "A Delta Configured Auxiliary Resonant Snubber Inverter," Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Orlando, Florida, Oct. 8-12, 1995, pp. 2618-2624.

J. S. Lai, R. W. Young, Sr. G. W. Ott, Jr. J. W. McKeever, "Efficiency Modeling and Evaluation of a Resonant Snubber Based Soft-Switching Inverter for Motor Drive Applications,"Proceedings of the IEEE Power Electronics Specialists Conference, Atlanta, Georgia, 1995, pp. 943-949.

J. S. Lai, R. W. Young, Sr., G. W. Ott, Jr., C. P. White, J. W. McKeever, D. Chen, "A Novel Resonant Snubber Based Soft Switching Inverter," Proceedings of the IEEE Applied Power Electronics Conference, Dallas, Texas, March 1995, pp. 797-803.

J. S. Lai, R. W. Young, J. W. McKeever, "Efficiency Consideration of DC Link Soft-Switching Inverters for Motor Drive Applications," Proceedings of the IEEE Power Electronics Specialists Conference, 1994, pp. 1003-1010.

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Distributed Energy Resources, Harmonics, Power Quality, and Power Filters

M. Shen, J. Wang, A. Joseph, F. Z. Peng, L. M. Tolbert, D. J. Adams, "Maximum Constant Boost Control of the Z-Source Inverter," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 142-148.

B. Ozpineci, L. M. Tolbert, Z. Du, "Multiple Input Converters for Fuel Cells," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 791-797.

Y. Xu, J. N. Chiasson, L. M. Tolbert, "Nonactive Current Definition and Compensation Using a Shunt Active Filter," IEEE International Conference on Harmonics and Quality of Power, September 12-15, 2004, Lake Placid, New York, pp. 573-578.

J. D. Kueck, B. J. Kirby, L. M. Tolbert, D. T. Rizy, "Voltage Regulation: Tapping Distributed Energy Resources," Public Utilities Fortnightly, vol. 142, no. 9, September 2004, pp. 47-51.

B. Ozpineci, L. M. Tolbert, Z. Du, "Optimum Fuel Cell Utilization with Multilevel Inverters," IEEE Power Electronics Specialists Conference, June 20-25, 2004, Aachen, Germany, pp. 4798-4802.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A Complete Solution to the Harmonic Elimination Problem," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 491-499.

B. Ozpineci, Z. Du, L. M. Tolbert, G. J. Su, "Optimum Fuel Cell Utilization with Multilevel Converters," IEEE Applied Power Electronics Conference, February 22-26, 2004, Anaheim, California, pp. 1572-1576.

L. M. Tolbert, Y. Xu, J. Chen, F. Z. Peng, J. N. Chiasson, "Definitions for Non-Periodic Current Compensation," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

F. Z. Peng, L. M. Tolbert, "Definitions and Compensation of Non-Active Current in Power Systems," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 1779-1784.

F. Z. Peng, "Harmonic Sources and Filtering Approaches," IEEE Industry Applications Magazine, vol. 7, no. 4, July/August 2001, pp. 18-25.

G. J. Su, "Design and Analysis of a Low Cost, High Performance Single Phase UPS System," 2001 Applied Power Electronics Conference and Exposition, March 4-8, 2001, Anaheim California.

L. M. Tolbert, H. Qi, F. Z. Peng, "Scalable Multi-Agent System for Real-Time Electric Power Management," IEEE Power Engineering Society Summer Meeting, July 15-19, 2001, Vancouver, Canada, pp. 1676-1679.

L. M. Tolbert, "Comparison of Time-Based Non-Active Power Definitions for Active Filtering," IEEE International Power Electronics Congress, October 15-19, 2000, Acapulco, Mexico.

F. Z. Peng, L. M. Tolbert, "Compensation of Non-Active Current in Power Systems - Definitions from Compensation Standpoint, "IEEE Power Engineering Society Summer Meeting, July 15-20, 2000, Seattle, Washington, pp. 983-987.

F. Z. Peng, D. J. Adams, "Harmonic Sources and Filtering Approaches - Series/Parallel, Active/Passive, and Their Combined Power Filters," Conference Record - IEEE Industry Applications Society 34th Annual Meeting, Phoenix, Arizona, Oct. 3-7, 1999, pp. 448-455.

F. Z. Peng, G. J. Su, G. Farquharson, "A Series LC Filter for Harmonic Compensation of ac Drives, "IEEE Power Electronics Specialists Conference, Charleston, South Carolina, 1999, pp. 213-218.

F. Z. Peng, G. W. Ott, D. J. Adams, "Harmonic and Reactive Power Compensation Based on the Generalized Instantaneous Reactive Power Theory for 3-phase 4-Wire Systems," IEEE Transactions on Power Electronics, vol. 13, no. 6, Nov. 1998, pp. 1174-1181.

F. Z. Peng, "Application Issues of Active Power Filters," IEEE Industry Applications Magazine, vol. 4, no. 5 Sept. 1998, pp. 21-30.

J. S. Hsu, "Instantaneous Phasor Method Under Severely Unbalanced Situations, "Proceedings of the IEEE PES Summer Meeting, San Diego, California, July 12-16, 1998.

J. S. Hsu, "Instantaneous Power Factor Determined by Instantaneous Phasors," Proceedings of the 1998 Large Engineering Systems Conference on Electrical and Computer Engineering, Halifax, Nova Scotia, Canada, June 7-9, 1998.

A. Mansoor, J. McGee, F. Z. Peng, "Even-Harmonic Concerns at an Industrial Facility Using a Large Number of Half Controlled Rectifiers," IEEE Applied Power Electronics Conference, Anaheim, California, Feb. 15-19, 1998, pp. 994-1000.

J. S. Hsu, "Instantaneous Phasor Method for Obtaining Instantaneous Balanced Fundamental Components for Power Quality Control and Continuous Diagnostics," IEEE Power Engineering Society Winter Meeting, Tampa, Florida, Feb. 1-5, 1998.

L. M. Tolbert, L. J. Degenhardt, J. T. Cleveland, "Reliability of Lightning-Resistant Overhead Lines, "IEEE Industry Applications Magazine, vol. 3, no. 4, July 1997, pp. 17-21.

F. Z. Peng, G. W. Ott, Jr., D. J. Adams, "Harmonic and Reactive Power Compensation Based on the Generalized Reactive Power Theory for 3-Phase 4-Wire Systems,” Proceedings of the IEEE Power Electronics Specialists Conference, New Orleans, Louisiana, June 1997, pp. 1089-1095.

F. Z. Peng, J. S. Lai, "Reactive Power and Harmonic Compensation Based on the Generalized Instantaneous Reactive Power Theory for Three-Phase Power Systems," Proceedings of the IEEE 7th International Conference on Harmonics and Quality of Power, Las Vegas, Nevada, Oct. 1996, pp. 83-89.

F. Z. Peng, J. S. Lai, "Application Consideration and Compensation Characteristics of Shunt Active and Series Filters in Power Systems," Proceedings of the IEEE 7th International Conference on Harmonics and Quality of Power, Las Vegas, Nevada, Oct. 1996, pp. 12-20.

J. S. Lai, T. S. Key, "Effectiveness of Harmonic Mitigation Equipment for Commercial Office Buildings," Conference Record - IEEE Industry Applications Society 31st Annual Meeting, Oct. 6-10, 1996, pp. 2244-2250.

L. M. Tolbert, P. S. Hale, H. Hollis, "Evaluation of Harmonic Suppression Devices," Conference Record - IEEE Industrial Applications Society Annual Meeting, Oct. 1996, pp. 2340-2346.

L. M. Tolbert, P. S. Hale, H. Hollis, "Survey of Harmonics Measurements in Electrical Distribution Systems, "Conference Record - IEEE Industrial Applications Society Annual Meeting, Oct. 1996, pp. 2333-2339.

L. M. Tolbert, "Harmonic Analysis of Electrical Distribution Systems," ORNL- 6887, Oak Ridge National Laboratory, March 1996.

F. Z. Peng, J. S. Lai, "Generalized Instantaneous Reactive Power Theory for Three-Phase Power Systems," IEEE Transactions on Instrumentation and Measurement, vol. 45, no. 1, Feb. 1996, pp. 293-297.

T. S. Key, J. S. Lai, "Costs and Benefits of Harmonic Current Reduction for Switch-Mode Power Supplies in a Commercial Office Building," Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Oct. 8-12, 1995, Orlando, Florida, pp. 1101-1108.

L. M. Tolbert ,"Computer-Aided Overcurrent Coordination and Protection of Industrial Distribution Systems," Conference Record - IEEE Industrial & Commercial Power Systems Technical Conference, May 7-11, 1995, San Antonio, Texas, pp. 169-173.

T. S. Key, J. S. Lai et al., "Comparison of Standards Limiting Harmonic Distortion in Power Systems," IEEE Transactions on Industry Applications, vol. 29, no. 4, July 1993, pp. 688-695.

J. S. Lai, F. D. Martzloff, "Coordinating Cascaded Surge Protection Devices: High-Low Versus Low-High," IEEE Transactions on Industry Applications, vol. 29, no. 4, July 1993, pp. 680-687.

D. S. Chen, J. S. Lai, "Study of Power Correction Boost Converter Operating at CCM-DCM Mode," Conference Proceedings - IEEE SOUTHEASTCON '93, April 4-7, 1993, Charlotte, North Carolina.

J. S. Lai, D. Chen, "Design Consideration for Power Factor Correction Boost Converter Operating at the Boundary of Continuous Conduction Mode and Discontinuous Conduction Mode," Proceedings of IEEE Applied Power Electronics Conference, March 7-11, 1993, San Diego, California, pp. 267-273.

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Motor Efficiency, Control Techniques and Electrical Diagnostics

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "An On-Line Method for Tracking the Rotor Time Constant of an Induction Machine," American Control Conference, June 8-10, 2005, Portland, Oregon, pp. 2739-2744.

K. Wang, J. N. Chiasson, M. Bodson, L. M. Tolbert, "An Online Rotor Time Constant Estimator for the Induction Machine," IEEE International Conference on Electric Machines and Drives, May 15-18, 2005, San Antonio, Texas, pp. 608-614.

K. Wang, J. N. Chiasson, M. Bodson, L. M. Tolbert "A Nonlinear Least-Squares Approach for Identification of the Induction Motor Parameters," IEEE Transactions on Automatic Control, 2005 (accepted - in press).

J. N. Chiasson, K. Wang, M. Li, M. Bodson, L. M. Tolbert, "Algebraic methods for nonlinear systems: Parameter identification and state estimation," Current Trends in Nonlinear Systems and Control, Birkhauser, 2005, pp. 57-76.

K. Wang, J. Chiasson, M. Bodson, L. Tolbert, "A Nonlinear Least-Squares Approach for Identification of the Induction Motor Parameters, "IEEE Conference on Decision and Control, December 8-14, 2004, Atlantis, Bahamas, pp. 3856-3861.

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "Tracking the Rotor Time Constant of an Induction Motor Traction Drive for HEVs," IEEE Workshop on Power Electronics in Transportation, October 21-22, 2004, Dearborn, Michigan, pp. 83-88.

G. J. Su and J. S. Hsu, “A Five-Leg Inverter for Driving a Traction Motor and a Compressor Motor,” pp. 117–123 in The 8th IEEE Workshop on Power Electronics in Transportation (WPET’2004), Novi, Michigan, October 21–22, 2004.

G. J. Su and J. W. McKeever, "Low-Cost Sensorless Control of Brushless DC Motors with Improved Speed Range," IEEE Transactions on Power Electronics, 19,No. 2, March 2004.

J. S. Lawler, J. M. Bailey, J. W. McKeever, J. Pinto, "Extending the Constant Power Speed Range of the Brushless DC Motor through Dual-Mode Inverter Control," Transactions on Power Electronics, February 19, 2003.

J. S. Lawler, J. M. Bailey, J. W. McKeever, "Laboratory Demonstration of the Dual Mode Inverter Control," 7th IASTED International Multi-Conference Power Electronics Technology and Applications February 24-26, 2003, Palm Springs, California.

J. S. Lawler, J. M. Bailey, J. W. McKeever, J. Pinto, "Theory and Simulation of the Dual Mode Inverter Control", 7th IASTED International Multi-Conference Power Electronics Technology and Applications February 24-26, 2003, Palm Springs, California.

J. S. Lawler, J. M. Bailey, J. W. McKeever, "Theoretical Verification of the Infinite Constant Power Speed Range of the Brushless DC Motor Driven by Dual Mode Inverter Control", 7th IEEE Workshop on Power Electronics in Transportation (WPET 2002) October 24-25, 2002, Auburn Hills, Michigan.

J. S. Lawler, J. M. Bailey, J. W. McKeever, J. Pinto, "Limitations of the Conventional Phase Advance Method for Constant Power Operation of the Brushless DC Motor," 2002 SoutheastCon IEEE Proceedings, April 5-7, 2002, Columbia, South Carolina, pp. 174-180.

G. J. Su, J. W. McKeever, "Low-Cost Senorless Control of Brushless DC Motors with Improved Speed Range", Applied Power Electronics Conference and Exposition APEC 2002 March 10-14, 2002, Dallas Texas, pp.286-292.

J. N. Chiasson, L. M. Tolbert, Y. Lu, "A Library of SIMULINK blocks for Real-Time Control of HEV Traction Drives," 2002 Future Car Congress Proceedings, June 3-5, 2002, Arlington, Virginia. (SAE paper number 2002-01-1934).

B. Ozpineci, J. O. P. Pinto, L. M. Tolbert, "Pulse-Width Optimization in a Pulse Density Modulated High Frequency AC-AC Converter Using Genetic Algorithms," IEEE International Conference on Systems, Man, and Cybernetics, vol. 3, October 7-10, 2001, Tucson, Arizona, pp. 1924-1929.

G. J. Su, J. W. McKeever, "Modular PM Motor Drives for Automotive Traction Applications," 2001 IEEE/IECON, 27the Annual Conference of the IEEE vol. 1, November 29-December 3, 2001, Denver, Colorado, pp. 119-124.

M. C. Bodson, J. N. Chiasson, L. M. Tolbert, "A Complete Characterization of Torque Maximization of Permanent Magnet Non-Salient Synchronous Motors," IEEE American Controls Conference, June 25-27, 2001, Arlington, Virginia.

J. N. Chiasson, L. M. Tolbert, "High Performance Motion Control of a Switched Reluctance Motor," IEEE International Electric Machine Drives Conference, June 17-20, 2001, Cambridge, Massachusetts, pp. 425-429.

G. J. Su, D. J. Adams, "Comparative Study of Power Factor Correction Converters for Single Phase Half-Bridge Inverters," IEEE 32nd Power Electronics Specialists Conference(PESC) vol. 2, June 17-21, 2001, Vancouver, Canada, pp 995-1000.

J. S. Hsu, "Direct Control of Air-Gap Flux in Permanent-Magnet Machines," IEEE Transactions on Energy Conversion, vol. 15, no. 4, December 2000, pp. 361-365.

G. J. Su, J. W. McKeever, K. S. Samons, "Design of a PM Brushless Motor Drive for Hybrid Electric Vehicle Application," PCIM 2000 Conference, Boston, October 1-5, 2000.

G. J. Su, H. W. Ott, J. W. McKeever, K. S. Samons, R. L. Kessinger, "Development of a Sensor-less Speed Control Inverter for an Automotive Accessory Permanent Magnet Motor," SAE 2000 Future Car Congress, April 2-6, 2000, Arlington, Virginia, SAE Paper #00FCC-28.

F. Z. Peng, "Large Motor Drives," Encyclopedia of Electrical and Electronics Engineering, John Wiley and Sons, 2000.

J. S. Hsu, "A Machine Approach for Field Weakening of Permanent Magnet Motors," SAE 2000 Future Car Congress, April 2-6, 2000, Arlington, Virginia.

F. Z. Peng, D. J. Adams, "Speed-Sensorless Control of Induction Motors for Electric Vehicles, "SAE 2000 Future Car Congress, April 2-6, 2000, Arlington, Virginia.

J. S. Hsu, "Instantaneous Phasor Method for Obtaining Instantaneous Balanced Fundamental Components for Power Quality Control and Continuous Diagnostics," IEEE Transactions on Power Delivery, vol. 13, no. 4, Oct. 1998, pp. 1494-1500.

J. S. Hsu, "Induction-Motor Field Evaluation Using Instantaneous Phasor Method, "Conference Record - Industry Applications Society 33rd Annual Meeting, St. Louis, Missouri, October 12-16, 1998, pp. 243-250.

C. W. Ayers, "Electrical Signature Analysis Applications for Non-Intrusive Automotive Alternative Diagnostics," Sound and Vibration Magazine, 1998.

J. W. McKeever, "Adjustable Speed Drives for Controlling Electric Motors, "Energy User News (newsletter), 1998.

J. S. Hsu, J. D. Kueck, M. Olszewski, D. A. Casada, P. J. Otaduy, L. M. Tolbert, "Comparison of Induction Motor Field Efficiency Evaluation Methods," IEEE Transactions on Industry Applications, vol. 34, no. 1, Jan. 1998, pp. 117-125.

J.D. Kueck, "Accuracy Considerations in Motor Efficiency Testing," MARCON 97, International Conference on Maintenance and Reliability, March 1997.

J. S. Hsu, "Supply-Pollution (SP) Loss in Induction Motor," IEEE Power Engineering Society Winter Meeting, New York, New York, 1996.

J. S. Hsu, P. L. Sorenson, "Field Assessment of Induction Motor Efficiency through Air Gap Torque," IEEE Transactions on Energy Conversion, vol. 11, no. 3, Sept. 1996, pp. 489-494.

J. S. Hsu, J. D. Kueck, M. Olszewski, D. A. Casada, P. J. Otaduy, L. M. Tolbert, "Comparison of Induction Motor Field Efficiency Evaluation Methods," Conference Record- IEEE Industry Applications Society 31st Annual Meeting, San Diego, California, Oct. 6-10, 1996, pp. 703-712.

J.D. Kueck, P.J. Otaduy, D.A. Casada, "A Comparison of Two Energy Efficient Motors," PPM Magazine, April 1996.

J.D. Kueck,"Assessment of Available Methods for Evaluating In-Service Motor Efficiency," Bonneville Power Administration Publication, April 1996.

J. S. Hsu, P. J. Otaduy, J. D. Kueck, "Efficiency and Reliability Assessments of Retrofitted High-Efficiency Motors," Conference Record - IEEE Industrial Applications Society 30th Annual Meeting, 1995, pp. 2745-2751.

J. S. Hsu, B. P. Scoggins, M. B. Scudiere, L. B. Marlino, D. J. Adams, P. Pillay, "Nature and Assessments of Torque Ripple of Permanent-Magnet Adjustable-Speed Motors," Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Oct. 8-12, 1995, Orlando, Florida, pp. 2696-2702.

J.D. Kueck, "Efficiency and Reliability Assessments of Retro-Fitted High Efficiency Motors," IEEE Transactions on Energy Conversion, October 1995.

J. S. Hsu, "Monitoring of Defects in Induction Motors through Air-Gap Torque Observation," IEEE Transactions on Industry Application, vol. 31, no. 5, Sept. 1995, pp. 1016-1021.

J. S. Hsu, J. Stein, "Effects of Eccentricities on Shaft Signals Studied Through Windingless Rotors," IEEE Transactions on Energy Conversion, vol. 9, no. 3, Sept. 1994, pp. 564-571.

F. Z. Peng, T. Fukao, "Robust Speed Identification for Speed-Sensorless Vector Control of Induction Motors, "IEEE Transactions on Industry Applications, vol. 30, no. 5, Sept. 1994, pp. 1234-1240.

K. Tungpimolrut, F. Z. Peng, T. Fukao, "Robust Vector Control of Induction Motor without Using Stator and Rotor Circuit Time Constants," IEEE Transactions on Industry Applications, vol. 30, no. 5, Sept. 1994, pp. 1241-1246.

F. Z. Peng, T. Fukao, J. S. Lai, "Low-Speed Performance of Robust Speed Identification Using Instantaneous Reactive Power for Tachless Vector Control of Induction Motors," Conference Record of the IEEE Industry Applications Society 29th Annual Meeting, 1994, pp. 509-514.

Tungpimolrut, K., F. Z. Peng, T. Fukao, "Robust Rotor Time Constant Estimation Method for Vector Control of Induction Motor under any Operating Conditions," IEEE IECON Proceedings, Los Alamitos, California, 1994, pp. 275-280.

T. Kanokvate, F. Z. Peng, T. Fukao, "The characteristics of Rotor Time Constant Estimation Method for Vector-Controlled Induction Motor Based on Regulating Energy Stored in Magnetizing Inductance," IPEMC Conference Record, vol.1, 1994, pp.534-540.

J. S. Lai, R. W. Young, Sr., J. W. McKeever, and D. J. Adams, "Dynamic Modeling and Simulation for AC Machines Using State-Space and Nodal Representations," IEEE Applied Power Electronics Conference, Orlando, Florida, February 13-17, 1994.

T. G. Habetler, F. Profumo, M. Pastorelli, L. M. Tolbert, "Direct Torque Control of Induction Machines Using Space Vector Modulation," IEEE Transactions on Industry Applications, vol. 28, no. 5, Sept. 1992, pp. 1045-1052.

J.D. Kueck, "Current Waveform Fourier Analysis of Motor Rotor Degradation," Nuclear Plant Journal, July/August 1992, Volume 10 No. 4.

J.D. Kueck, "Assessment of Valve Actuator Motor Degradation by Fourier Analysis of Current Waveform," IEEE Transactions on Energy Conversion, January 1992.

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Novel Electric Machine Technology

J. S. Lawler, J. M. Bailey, and J. W. McKeever, “Minimum Current Magnitude Control of Surface PM Synchronous Machines During Constant Power Operation,” IEEE Power Electronics Letters, 2005.

 

J. M. Bailey, B. Ozpineci, G. W. Ott, and D. S. Daniel, “Back EMF Calculations for Axial-Gap Permanent Magnet Synchronous Motors (AGPMSM) with Disc Magnets,” International Electric Machines and Drives Conference 2005 (IEMDC’05), San Antonio, Texas, May 15–18, 2005.

J. S. Hsu, "High Strength Undiffused Brushless (HSUB) Machine," IEEE Transactions on Energy Conversion.  July 2003.

P. S. Shin, P. J. Otaduy, J. W. McKeever, D. J. Adams, "Interactive Design and Analysis Program for Switched Reluctance Motor Using an Analytical Method," 10th Biennial IEEE Conference on Electromagnetic Field Computation June 16-19, 2002, Perugia, Italy.

J. S. Hsu, E. A. Franco-Ferreira,C. L. Coomer, S. M. Jenkins, "A New Manufacturing Technology for Induction Machine Copper Rotors," Proceedings of the Future Car Congress, June 3-5, 2002, Arlington, Virginia.

J. S. Hsu, "Hybrid-Secondary Uncluttered Induction (HSU-I) Machine," IEEE Transactions on Energy Conversion, vol. 16, no. 2, June 2001, pp. 192-197.

J. S. Hsu, "Flux Guides for Permanent Magnet Machines," IEEE Transactions on Energy Conversion, vol. 16, no. 2, June 2001, pp. 186-191.

J. S. Hsu, "Direct Control of Air-Gap Flux in Permanent-Magnet Machines," IEEE Transactions on Energy Conversions, vol. 15, no. 4, December 2000, pp. 361-365.

P. J. Otaduy, J. W. McKeever, J. M. Bailey, "Model-based Generation of Scaling Laws for Radial-Gap Permanent Magnet Motors," SAE 2000 Future Car Congress, April 2-6, 2000, Arlington, Virginia.

W. Schwenterly, J. S. Hsu, et. al., "Performance of a 1 MVA High Temperature Superconducting (HTS) Demonstration Transformer," IEEE Conference on Applied Superconductivity, 1998, Palm Desert, California.

J. S. Hsu,"Individually-Fed Multiple-Winding Brushless Current-Source Direct-Current Machine," Naval Symposium on Electric Machines, Annapolis, Maryland, October 26-29, 1998.

J. S. Hsu, "Soft Commutated Direct Current Motor, "IEEE Workshop on Power Electronics in Transportation, Dearborn, Michigan, October 22-23, 1998, pp. 95-102.

J. S. Hsu, D. J. Adams, M. B. Scudiere, S. M. Jenkins, G. W. Ott, Jr., J. W. McKeever, C. P. White, L. D. Marlino, "Low-Inertia Axial-Gap Permanent-Magnet Motors," Conference Record - IEEE Industrial Applications Society 31st Annual Meeting, Oct. 1996, pp. 479-486.

J. W. McKeever, R. W. Young, Sr., J. M. Bailey, G. W. Ott, Jr., "Operation of a Test Bed Axial-Gap Brushless DC Rotor with a Superconducting Stator," Proceedings of the Cryogenic Engineering Conference, Albuquerque, New Mexico, July 1993.

J. M. Bailey, J. W. McKeever, R. W. Young, Sr., "Axial-Gap Low-Temperature Superconducting Motor, "Proceedings of the Hong Kong IEEE, Hong Kong, Nov. 1992.

J. M. Bailey, R. A. Hawsey, "Analysis and Performance of an Axial-Gap Superconducting Motor", IEEE Transactions on Magnetics, vol. 27, part II, March 1991, pp. 2252-2255.

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Fuel Cells and Power Electronics Transportation Applications

G. J. Su, D. J. Adams, and F. Z. Peng, “A Low Cost, Triple-Voltage Bus DC/DC Converter for Automotive Applications,” pp. 1015–1021 in IEEE Applied Power Electronics Conference and Exposition (APEC), 2, Austin, Texas, March 6–10, 2005.

G. J. Su and J. S. Hsu, “An Integrated Traction and Compressor Drive System for EV/HEV Applications,” IEEE Applied Power Electronics Conference and Exposition (APEC), Austin, Texas, March 6–10, 2005.

R. H. Staunton, J. B. Berry, and C. A. Dunn, “Compatibility Study of Fuel Cell Protective Relaying and the Local Distribution System,” Transactions on Power Delivery, 2005.

M. Shen, F. Z. Peng, D. J. Adams, et al., “Comparison of Traditional Inverters and Z. Source Inverter for Fuel Cell Vehicles.” The 8th IEEE Workshop on Power Electronics in Transportation (WPET’2004), Novi, Michigan, October 21–22, 2004.

B. Ozpineci, L. M. Tolbert, Z. Du, "Multiple Input Converters for Fuel Cells, " IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington.

B. Ozpineci, L. M. Tolbert, Z. Du, "Optimum Fuel Cell Utilization with Multilevel Inverters," IEEE Power Electronics Specialists Conference, June 20-25, 2004, Aachen, Germany, pp. 4798-4802.

B. Ozpineci, Z. Du, L. M. Tolbert, G. J. Su, "Optimum Fuel Cell Utilization with Multilevel Converters," IEEE Applied Power Electronics Conference, February 22-26, 2004, Anaheim, California, pp. 1572-1576.

B. Ozpineci, Z. Du, L. M. Tolbert, Don J. Adams, Don Collins, "Integrating Multiple Solid Oxide Fuel Cell Modules," IEEE Industrial Electronics Conference, November 2-6, 2003, Roanoke Virginia, pp. 1568-1573.

B. Ozpineci, L. M. Tolbert, and D. J. Adams, "Trade Study for Integrating Numerous SECA SOFC Modules," a contribution to the Fossil Energy Program Annual Progress Report for April 2002 through March 2003, April 23, 2003.

H. Li, F. Z. Peng, J. S. Lawler, "A Natural ZVS Medium Power Bidirectional DC-DC Converter with Minimum Number of Devices," pp. 525-535 in Industry Applications IEEE Transactions, 39, March/April 2003.

L. M. Tolbert, W. A. Peterson, T. J. Theiss, M. B. Scudiere, "Electronic Power Conversion System for an Advanced Mobile Generator Set," pp. 48-54 in IEEE Industry Applications Magazine, March/April 2003.

L. M. Tolbert, W. A. Peterson, M. B. Scudiere, C. P. White, T. J. Theiss, "A Bi-Directional DC-DC Converter with Minimum Energy Storage Elements," IEEE Industry Applications Society Annual Meeting, vol. 3 October 13-17, 2002, Pittsburgh, PA pp. 1572-1577.

L. M. Tolbert, W. A. Peterson, M. B. Scudiere, C. P. White, T. J. Theiss, J. B. Andriulli, C. W. Ayers, G. Farquharson, G. W. Ott, L. E. Seiber, "Electronic Power Conversion System for an Advanced Mobile Generator Set," IEEE Industry Applications Society Annual Meeting, September 30 - October 4, 2001, Chicago, Illinois, pp. 1763-1768.

G. S. Su, D. J. Adams, L. M. Tolbert, "Comparative Study of Power Factor Correction Converters for Single-Phase Half-Bridge Inverters," IEEE Power Electronics Specialists Conference, June 17-21, 2001, Vancouver, Canada, pp. 995-1000.

G. S. Su, "Design and Analysis of a Low Cost, High Performance Single Phase UPS System," IEEE Applied Power Electronics Conference, March 15 - 19, 2001, Anaheim, California, pp. 900-906.

F. Z. Peng, "An Electric Bus Traction Drive System with Soft-Switching Inverter and Speed-Sensorless Induction Motor Control," IEEE 3rd International Power Electronics and Motion Control Conference, Beijing, China, Aug. 15-18, 2000.

F. Z. Peng, "Capacitors in Power Electronics Circuits," Passive Components for Power Electronics Workshop, State College, Pennsylvania, April 25-27, 2000.

J. W. McKeever, S. Das, L. M. Tolbert, L. D. Marlino, A. Nedungadi, "Life-Cycle Cost Sensitivity to Battery-Pack Voltage of an HEV,"SAE 2000 Future Car Congress Proceedings, April 2-6, 2000, Arlington, Virginia. (SAE paper number 2000-01-1556).

J. B. Andriulli, et. al., P. J. Otaduy, M. B. Scudiere, L. M. Tolbert, "Advanced Power Generation Systems for the 21st Century: Recommendations for a Design Philosophy and Market Survey," Oak Ridge National Laboratory, October 1999.

D. J. Adams, "DOE Power Electronics and Electric Machinery Program," presented at the PNGV 1998 All Tech Team Meeting, Electrical and Electronics Technical Team, Troy, Michigan, January 28, 1998.

D. J. Adams, "Power Electronics and Electric Machinery Developments at the Oak Ridge National Laboratory," presented at the IAPG Electrical/Systems Working Group, Radisson Harbor View Hotel, San Diego, California, November 3-4, 1997.

D. J. Adams, J. Hsu, R. W. Young, F. Z. Peng, "Power Electronics and Electric Machinery Challenges and Opportunities in Electric and Hybrid Vehicles," International Symposium on Automotive Technology and Automation, Florence, Italy, June, 1997.

S. P. N. Singh, D. J. Adams, and J. W. McKeever, "Development of Hydrogen-Fueled Fuel Cell-Powered Light-Duty-Transportation Engine," Proceedings of the 2nd Annual World Congress on Zero Emission, Chattanooga, Tennessee, May 30, 1996.

D. J. Adams, "Power Generation Systems for NOx Reduction", Oak Ridge National Laboratory, Report No. Y/AMT-369, April 1996.

J. W. McKeever, "Evaluation of Demo 1C Composite Flywheel Rotor Burst Test and Containment Design Implications", ORNL/TM-13159, Oak Ridge National Laboratory, 1996.

J. W. McKeever, J. B. Andriulli, "Status Update and Review of the ORNL Modeling and Containment Instrumentation Effort," presented at the DARPA Flywheel Containment Working Group Meeting held in Westlake Village, California, 1995.

J. S. Lai, "Super Capacitors and Their Applications," Proceedings of the Power Electronics Applications Center Conference (PECON), San Diego, California, November 1993.

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Silicon Carbide Technology

B. Ozpineci, M. S. Chinthavali, and L. M. Tolbert, “Enhancing Power Electronic Devices with Wide-Bandgap Semiconductors.” Journal of High Speed Electronics. (February 2006).

H. Zhang, M. Chinthavali, B. Ozpineci, L. M. Tolbert, "Power Losses and Thermal Modeling of 4H-SiC VJFET Inverter," IEEE Industry Applications Society Annual Meeting, October 2-6, 2005, Hong Kong, China.

B. Ozpineci, M. S. Chinthavali, L. M. Tolbert, "A 55 kW Three Phase Automotive Traction Inverter with SiC Schottky Diodes," IEEE Vehicle Power and Propulsion Conference, September 7-9, 2005, Chicago, Illinois.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, "Design, Modeling, and Characterization of Power MOSFET in 4H-SiC for Extreme Environment Applications," Government Microcircuit Applications and Critical Technology Conference (GOMACTech-05), April 4-7, 2005, Las Vegas, Nevada, pp. 449-452.

M. Hasanuzzaman, S. K. Islam, Leon M. Tolbert, B. Ozpineci, "Design, Modeling, Testing, and SPICE Parameter Extraction of DIMOS Transistor in 4H-Silicon Carbide," International Journal of High Speed Electronics and Systems, 2005 (accepted - in press).

M. Chinthavali, B. Ozpineci, L. M. Tolbert, "High Temperature and High Frequency Performance Evaluation of 4H-SiC VJFET and Schottky Diodes," IEEE Applied Power Electronics Conference, March 6-10, 2005, Austin, Texas, pp. 322-328.

M. Chinthavali, B. Ozpineci, L. M. Tolbert, "Enhancing Power Electronic Devices with Wide Bandgap Semiconductors," Advanced Workshop on Frontiers in Electronics, December 17-22, 2004, Aruba.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, B. Ozpineci, "Design, Modeling, Testing, and SPICE Parameter Extraction of DIMOS Transistor in 4H-Silicon Carbide," Advanced Workshop on Frontiers in Electronics, December 17-22, 2004, Aruba.

M. Chinthavali, B. Ozpineci, L. M. Tolbert, "Temperature-Dependent Characterization of SiC Power Electronic Devices," IEEE Workshop on Power Electronics in Transportation, October 21-22, 2004, Dearborn, Michigan, pp. 43-47.

M. Chinthavali, L. M. Tolbert, B. Ozpineci, "4H-SiC GTO Thyristor Loss Model for HVDC Converter," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 1238-1243.

M. Chinthavali, L. M. Tolbert, B. Ozpineci, "SiC GTO Thyristor Model for HVDC Interface," IEEE Power Engineering General Meeting, June 6-10, 2004, Denver, Colorado, pp. 680-685.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, M. T. Alam, "Low Temperature Dependence of MOSFET Device Characteristics in 4H and 6H Silicon Carbide," Solid State Electronics, vol. 48, no. 10-11, 2004, pp. 1877-1881.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, "Effects of Temperature Variation in MOSFET Modeling in 6H Silicon Carbide," Solid State Electronics, vol. 48, no. 1, January 2004, pp. 125-132.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, M. T. Alam, "Temperature Dependency of MOSFET Device Characteristics in 4H - and 6H-Silicon Carbide (SiC)," International Semiconductor Device Research Symposium (ISDRS), December 10-12, 2003, Washington, DC, pp. 132-133.

B. Ozpineci, L. M. Tolbert, S. K. Islam, "System Level Benefits of SiC Power Devices in DC-DC Converters," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

B. Ozpineci, L. M. Tolbert, S. K. Islam, M. Chinthavali, "Comparison of Wide Bandgap Semiconductors for Power Applications," 10th European Conference on Power Electronics and Applications, September 2-4, 2003, Toulouse, France.

L. M. Tolbert, B. Ozpineci, S. K. Islam, F. Z. Peng, "Impact of SiC Power Electronic Devices for Hybrid Electric Vehicles," SAE 2002 Transactions Journal of Passenger Cars - Electronic and Electrical Systems, ISBN 0-7680-1291-0, pp. 765-771.

B. Ozpineci and L. M. Tolbert, "Characterization of SiC Schottky Diodes at Different Temperatures," pp. 54-57 in IEEE Power Electronics Letters, No. 2, June 2003.

B. Ozpineci, L. M. Tolbert, S. K. Islam, "Silicon Carbide Power Device Characterization for HEVs," The 7th IEEE Workshop on Power Electronics in Transportation, October 24-25, 2002, Auburn Hills, Michigan.

B. Ozpineci, L. M. Tolbert, Syed K. Islam, M Hasanuzzaman, "A Parametric Device Study for SiC Power Electronics," IEEE Industry Applications Society Annual Meeting, vol. 1, October 13-17, 2002, Pittsburgh, Pennsylvania, pp. 570-575.

Burak Ozpineci, Leon M. Tolbert, S. K. Islam, T. J. Theiss, "A Parametric Device Study for SiC Diodes in Vehicular Applications," Vehicular Technology Conference, vol. 3, September 24-28, 2002, pp. 1495-1499.

B. Ozpineci, L. M. Tolbert, S. K. Islam, F. Z. Peng, "Testing, Characterization, and Modeling of SiC Diodes for Transportation Applications," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 1673-1678.

B. Ozpineci, L. M. Tolbert, S. K. Islam, Md. Hasanuzzaman, "System Impact of Silicon Carbide Power Devices," International Journal of High Speed Electronics and Systems, Specail Issue of International Journal of High Speed Electronics and Systems, January 2002, St. Croix, Virgin Islands.

L. M. Tolbert, B. Ozpineci, S. K. Islam F. Z. Peng, "Impact of SiC Power Electronic Devices for Hybrid Electric Vehicles," 2002 Future Car Congress Proceedings, June 3-5, 2002, Arlington, Virginia. (SAE paper number 2002-01-1904).

B. Ozpineci, L. M. Tolbert, S. K. Islam, M. Hasanuzzaman, "Effects of Silicon Carbide (SiC) Power Devices on PWM Inverter Losses," The 27th Annual Conference of the IEEE Industrial Electronics Society, November 29 - December 2, 2001, Denver, Colorado, pp. 1061-1066.

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Thermal Control of Power Electronics

K. T. Lowe, C. W. Ayers, and J. S. Hsu, “Operating Controls and Dynamics for Floating Refrigerant Loop for High Heat Flux Electronics.” The Semiconductor Thermal Measurement, Modeling, and Management Symposium in Dallas, Texas, March 14–16, 2006.

C. W. Ayers, K. T. Lowe, and J. S. Hsu, “Fundamentals of a Floating Refrigerant Loop Concept Based on R-134a Refrigerant Cooling of High Heat Flux Electronics.” The Semiconductor Thermal Measurement, Modeling, and Management Symposium in Dallas, Texas, March 14–16, 2006.

R. W. Young, Sr., J. S. Lai, G. W. Ott, Jr., C. P. White, D. J. Adams, J. W. McKeever, J. M. Bailey, "Calculation of the Required Heat Sink Thermal Resistance of a Three-Phase SPRV Inverter Driving an Induction Motor," Proceedings of the Southcon '94 Technical Conference, Orlando, Florida, March 1994, pp. 540-545.

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Publications in Reverse Chronological Order

2010 2009 2006  2005  2004  2003  2002  2001   2000  1999  1998  1997  1996  1995  1994  1993  1992  1991

2010

L. Tang and Gui-Jai Su, “Control Scheme Optimization for a Low-Cost, Digitally Controlled Charger for Plug-In Hybrid Electric Vehicles”, 2nd IEEE Energy Conversion Congress and Exposition, Atlanta, Georgia, September 12-16, 2010.

L. Tang, G.-J. Su, and Z. Wu, “Boost Mode Test of a Current Source Inverter Fed Permanent Magnet Synchronous Motor Drive for Automotive Applications,” to be presented and published in proceedings of the Twelfth IEEE Workshop on Control and Modeling for Power Electronics (COMPEL 2010), Boulder, Colorado; June 28–30, 2010 (PTS #23771).

 M. S. Chinthavali, L. M. Tolbert, H. Zhang, J. H. Han, F. D. Barlow, and B. Ozpineci, “High Power SiC Modules for HEVs and PHEVs,” to be presented and published in proceedings of the International power Electronics Conference 2010 (IPEC), in Sapporo, Japan, June 21–24, 2010 (PTS #23957).

G. J. Su and L. Tang, “Control of Plug-in Hybrid Electric Vehicles for Mobile Power Generation and Grid Support Applications,” pp. 1152–1157 in the Applied Power Electronics Conference and Exposition (APEC’10), Palm Springs, California, February 21–25, 2010 (PTS#22455).

2009

J. N. Chiasson, Z. Du, B. Ozpineci, and L. M. Tolbert, “High Dynamic Performance Programmed PWM Control of a Multilevel Inverter with Capacity DC Sources,” IEEE Control and Decision Conference, Shanghai, China, December 16–18, 2009 (eight pages).

M. S. Chinthavali, P. J. Otaduy, and B. Ozpineci, “Performance Comparison Study of SiC and Si Technology for an IPM Drive System,” abstract submission to the International Conference on Silicon Carbide and Related Materials (ICSCRM) 2009, Nurnberg, Germany; October 11–16, 2009 (PTS #15544–abstract only).

M. B. Scudiere, J. W. McKeever, B. Ozpineci, C. P. White, T. S. Bigelow, J. B. Caughman, and P. M. Ryan, “Design of Evanescent-Wave Power Transfer for Stationary and Moving Hybrid Electric Vehicles,” a POSTER presented at the Advisory Committee Meeting, Oak Ridge, Tennessee, October 5, 2009 (PTS #21527).

2006

K. T. Lowe, C. W. Ayers, and J. S. Hsu, “Operating Controls and Dynamics for Floating Refrigerant Loop for High Heat Flux Electronics.” The Semiconductor Thermal Measurement, Modeling, and Management Symposium in Dallas, Texas, March 14–16, 2006.

C. W. Ayers, K. T. Lowe, and J. S. Hsu, “Fundamentals of a Floating Refrigerant Loop Concept Based on R-134a Refrigerant Cooling of High Heat Flux Electronics.” The Semiconductor Thermal Measurement, Modeling, and Management Symposium in Dallas, Texas, March 14–16, 2006.

B. Ozpineci, M. S. Chinthavali, and L. M. Tolbert, “Enhancing Power Electronic Devices with Wide-Bandgap Semiconductors.” Journal of High Speed Electronics. February 2006.

M. Shen, J. Wang, A. Joseph, F. Z. Peng, L. M. Tolbert, D. J. Adams, "Maximum Constant Boost Control of the Z-Source Inverter," IEEE Transactions on Industry Applications, vol. 42, no. 3, May/June 2006.

M. Hasanuzzaman, S. K. Islam, Leon M. Tolbert, B. Ozpineci, "Design, Modeling, Testing, and SPICE Parameter Extraction of DIMOS Transistor in 4H-Silicon Carbide," International Journal of High Speed Electronics and Systems, 2006.

B. Ozpineci, M. Chinthavali, A. Kashyap, L. M. Tolbert, A. Mantooth, “A 55 kW Three-Phase Inverter With Si IGBTs And SiC Schottky Diodes,” IEEE Applied Power Electronics Conference, March 19-23, 2006, Dallas, Texas.

Z. Du, L. M. Tolbert, J. N. Chiasson, B. Ozpineci, “A Cascade Multilevel Inverter Using a Single DC Power Source,” IEEE Applied Power Electronics Conference, March 19-23, 2006, Dallas, Texas.

X. Yu, L. M. Tolbert, “Ancillary Services Provided from DER with Power Electronics Interface,” IEEE Power Engineering Society General Meeting, June 18-22, 2006, Montreal, Canada.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Active Harmonic Elimination for Multilevel Converters," IEEE Transactions on Power Electronics, vol. 21, no. 2, March 2006.

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2005

S. Khomfoi, L. M. Tolbert, “Fault Diagnosis System for a Multilevel Inverters Using a Neural Network,” IEEE Industrial Electronics Conference, November 6-10, 2005, Raleigh, North Carolina, pp. 1455-1460.

H. Qi, W. Zhang, L. M. Tolbert, “A Resilient Real-Time Agent-Based System for a Reconfigurable Power Grid,” International Conference on Intelligent Systems Application to Power Systems, November 6-10, 2005, Arlington, Virginia.

J. S. Lawler, J. M. Bailey, and J. W. McKeever, “Minimum Current Magnitude Control of Surface PM Synchronous Machines During Constant Power Operation,” IEEE Power Electronics Letters, vol. 3, no. 2 June 2005, pp 53-56.

Z. Du, L. M. Tolbert, J. N. Chiasson, H. Li, "Low Switching Frequency Active Harmonic Elimination in Multilevel Converters with Unequal DC Voltages," IEEE Industry Applications Society Annual Meeting, October 2-6, 2005, Hong Kong, China, pp. 92-98.

H. Zhang, M. Chinthavali, B. Ozpineci, L. M. Tolbert, "Power Losses and Thermal Modeling of 4H-SiC VJFET Inverter," IEEE Industry Applications Society Annual Meeting, October 2-6, 2005, Hong Kong, China, pp. 2630-2634.

Y. Xu, L. M. Tolbert, J. N. Chiasson, F. Z. Peng, "Dynamic Response of Active Filter Using a Generalized Nonactive Power Theory," IEEE Industry Applications Society Annual Meeting, October 2-6, 2005, Hong Kong, China, pp.  1225-1231.

B. Ozpineci, L. M. Tolbert, J. N. Chiasson, "Harmonic Optimization of Multilevel Converters Using Genetic Algorithms," IEEE Power Electronics Letters, vol. 3, no. 3, September 2005, pp. 92-95.

B. Ozpineci, M. S. Chinthavali, L. M. Tolbert, "A 55 kW Three Phase Automotive Traction Inverter with SiC Schottky Diodes," IEEE Vehicle Power and Propulsion Conference, September 7-9, 2005, Chicago, Illinois, pp. 541-546.

F. Z. Peng, L. M. Tolbert, F. Khan, "Power Electronics' Circuit Topology - the Basic Switching Cells," IEEE Power Electronics Educational Workshop, June 16-17, 2005, Recife, Brazil, pp. 52-57.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Reduced Switching Frequency Computed PWM Method for Multilevel Converter Control, "IEEE Power Electronics Specialists Conference, June 12-16, 2005, Recife, Brazil, pp. 2560-2564.

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, “A Nonlinear Least-Squares Approach for Identification of the Induction Motor Parameters,” IEEE Transactions on Automatic Control, vol. 50, no. 10, October 2005, pp. 1622-1628.

W. Zhang, L. M. Tolbert, "Survey of Reactive Power Planning Methods," IEEE Power Engineering Society General Meeting, June 12-16, 2005, San Francisco, California, pp. 1580-1590.

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "An On-Line Method for Tracking the Rotor Time Constant of an Induction Machine," American Control Conference, June 8-10, 2005, Portland, Oregon, pp. 2739-2744.

G. J. Su, “Multilevel DC Link Inverter,” pp. 848–854 in IEEE Transactions On Industry Applications, 41(3), May/June 2005.

K. Wang, J. N. Chiasson, M. Bodson, L. M. Tolbert, "An Online Rotor Time Constant Estimator for the Induction Machine," IEEE International Conference on Electric Machines and Drives, May 15-18, 2005, San Antonio, Texas, pp. 608-614.

J. M. Bailey, B. Ozpineci, G. W. Ott, and D. S. Daniel, “Back EMF Calculations for Axial-Gap Permanent Magnet Synchronous Motors (AGPMSM) with Disc Magnets,” International Electric Machines and Drives Conference 2005 (IEMDC’05), San Antonio, Texas, May 15–18, 2005.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, "Design, Modeling, and Characterization of Power MOSFET in 4H-SiC for Extreme Environment Applications," Government Microcircuit Applications and Critical Technology Conference (GOMACTech-05), April 4-7, 2005, Las Vegas, Nevada, pp. 449-452.

R. H. Staunton, J. B. Berry, and C. A. Dunn, “Compatibility Study of Fuel Cell Protective Relaying and the Local Distribution System,” Transactions on Power Delivery, 2005.

J. N. Chiasson, K. Wang, M. Li, M. Bodson, L. M. Tolbert, "Algebraic Methods for Nonlinear Systems: Parameter Identification and State Estimation," Current Trends in Nonlinear Systems and Control, Birkhauser, 2005, pp. 57-76.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "Elimination of Harmonics in a Multilevel Converter using the Theory of Symmetric Polynomials and Resultants, "IEEE Transactions on Control Systems Technology, vol. 13, no. 2, March 2005, pp. 216-223.

M. Chinthavali, B. Ozpineci, L. M. Tolbert, "High Temperature and High Frequency Performance Evaluation of 4H-SiC VJFET and Schottky Diodes," IEEE Applied Power Electronics Conference, March 6-10, 2005, Austin, Texas, pp. 322-328.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Modulation Extension Control for Multilevel Converters Using Triplen Harmonic Injection with Low Switching Frequency," IEEE Applied Power Electronics Conference, March 6-10, 2005, Austin, Texas, pp. 419-423.

J. Campbell, L. M. Tolbert, C. W. Ayers, B. Ozpineci, "Two-Phase Cooling Method Using R134a Refrigerant to Cool Power Electronics Devices," IEEE Applied Power Electronics Conference, March 6-10, 2005, Austin, Texas, pp. 141-147.

G. J. Su, D. J. Adams, and F. Z. Peng, “A Low Cost, Triple-Voltage Bus DC/DC Converter for Automotive Applications,” in IEEE Applied Power Electronics Conference and Exposition (APEC), 2, Austin, Texas, March 6–10, 2005, pp. 1015–1021.

G. J. Su and J. S. Hsu, “An Integrated Traction and Compressor Drive System for EV/HEV Applications,” IEEE Applied Power Electronics Conference and Exposition (APEC), Austin, Texas, March 6–10, 2005.

L. M. Tolbert, J. N. Chiasson, Z. Du, K. J. McKenzie, "Elimination of Harmonics in a Multilevel Converter with Non Equal DC Sources," IEEE Transactions on Industry Applications, vol. 41, no. 1, Jan./Feb. 2005, pp. 75-82.

J. N. Chiasson, L. M. Tolbert, Z. Du, K. J. McKenzie, "The Use of Power Sums to Solve the Harmonic Elimination Equations for Multilevel Converters," European Power Electronics and Drives Journal, vol. 15, no. 1, February 2005, pp. 19-27.

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2004

M. Chinthavali, B. Ozpineci, L. M. Tolbert, “Enhancing Power Electronic Devices with Wide Bandgap Semiconductors,” Advanced Workshop on Frontiers in Electronics, December 17-22, 2004, Aruba.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, B. Ozpineci, "Design, Modeling, Testing, and SPICE Parameter Extraction of DIMOS Transistor in 4H-Silicon Carbide," Advanced Workshop on Frontiers in Electronics, December 17-22, 2004, Aruba.

K. Wang, J. Chiasson, M. Bodson, L. Tolbert, "A Nonlinear Least-Squares Approach for Identification of the Induction Motor Parameters, "IEEE Conference on Decision and Control, December 8-14, 2004, Atlantis, Bahamas, pp. 3856-3861.

M. Chinthavali, B. Ozpineci, L. M. Tolbert, "Temperature-Dependent Characterization of SiC Power Electronic Devices," IEEE Workshop on Power Electronics in Transportation, October 21-22, 2004, Dearborn, Michigan, pp. 43-47.

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "Tracking the Rotor Time Constant of an Induction Motor Traction Drive for HEVs, " IEEE Workshop on Power Electronics in Transportation, October 21-22, 2004, Dearborn, Michigan, pp. 83-88.

M. Shen, J. Wang, A. Joseph, F. Z. Peng, L. M. Tolbert, D. J. Adams, "Maximum Constant Boost Control of the Z-Source Inverter," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 142-148.

B. Ozpineci, L. M. Tolbert, Z. Du, "Multiple Input Converters for Fuel Cells," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 791-797.

M. Chinthavali, L. M. Tolbert, B. Ozpineci, "4H-SiC GTO Thyristor Loss Model for HVDC Converter," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 1238-1243.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Harmonic Elimination for Multilevel Converter with Programmed PWM Method," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 2210-2215.

G. J. Su, “Multilevel DC Link Inverter,” pp. 806–812 in IEEE/IAS 39th Annual Meeting (IAS’2004), 2, Seattle, Washington, October 3–7, 2004.

G. J. Su and J. S. Hsu, “A Five-Leg Inverter for Driving a Traction Motor and a Compressor Motor,” th IEEE Workshop on Power Electronics in Transportation (WPET’2004), Novi, Michigan, October 21–22, 2004, pp. 117–123.

M. Shen, F. Z. Peng, D. J. Adams, et al., “Comparison of Traditional Inverters and Z. Source Inverter for Fuel Cell Vehicles.” The 8th IEEE Workshop on Power Electronics in Transportation (WPET’2004), Novi, Michigan, October 21–22, 2004.

Y. Xu, J. N. Chiasson, L. M. Tolbert, "Nonactive Current Definition and Compensation Using a Shunt Active Filter," IEEE International Conference on Harmonics and Quality of Power, September 12-15, 2004, Lake Placid, New York, pp. 573-578.

J. D. Kueck, B. J. Kirby, L. M. Tolbert, D. T. Rizy, "Voltage Regulation: Tapping Distributed Energy Resources," Public Utilities Fortnightly, vol. 142, no. 9, September 2004, pp. 47-51.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Active Harmonic Elimination in Multilevel Converters Using FPGA Control," IEEE Workshop on Computers in Power Electronics, August 15-18, 2004, Urbana-Champaign, Illinois, pp. 127-132.

B. Ozpineci, L. M. Tolbert, Z. Du, "Optimum Fuel Cell Utilization with Multilevel Inverters," IEEE Power Electronics Specialists Conference, June 20-25, 2004, Aachen, Germany, pp. 4798-4802.

B. Ozpineci, L. M. Tolbert, J. N. Chiasson, Zhong Du, "Harmonic Optimization of Multilevel Converters Using Genetic Algorithms," IEEE Power Electronics Specialists Conference, June 20-25, 2004, Aachen, Germany, pp. 3911-3916.

M. Chinthavali, L. M. Tolbert, Burak Ozpineci, "SiC GTO Thyristor Model for HVDC Interface," IEEE Power Engineering General Meeting, June 6-10, 2004, Denver, Colorado, pp. 680-685.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, M. T. Alam, "Low Temperature Dependence of MOSFET Device Characteristics in 4H and 6H Silicon Carbide," Solid State Electronics, vol. 48, no. 10-11, 2004, pp. 1877-1881.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A Unified Approach to Solving the Harmonic Elimination Equations in Multilevel Converters," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 478-490.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A Complete Solution to the Harmonic Elimination Problem," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 491-499.

F. Z. Peng, G. J. Su, L. M. Tolbert, "A Passive Soft-Switching Snubber for PWM Inverters," IEEE Transactions on Power Electronics, 19, No. 2, March 2004.

G. J. Su and J. W. McKeever, "Low-Cost Sensorless Control of Brushless DC Motors with Improved Speed Range," IEEE Transactions on Power Electronics, 19, No. 2, March 2004.

B. Ozpineci, Z. Du, L. M. Tolbert, G. J. Su, "Optimum Fuel Cell Utilization with Multilevel Converters," IEEE Applied Power Electronics Conference, February 22-26, 2004, Anaheim, California, pp. 1572-1576.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, "Effects of Temperature Variation in MOSFET Modeling in 6H Silicon Carbide," Solid State Electronics, vol. 48, no. 1, January 2004, pp. 125-132.

G. J. Su, F. Z. Peng, L. M. Tolbert, "A Passive Soft Switching Snubber for PWM Inverters," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 363-370.

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2003

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, M. T. Alam, "Temperature Dependency of MOSFET Device Characteristics in 4H - and 6H-Silicon Carbide (SiC)," International Semiconductor Device Research Symposium (ISDRS), December 10-12, 2003, Washington, DC, pp. 132-133.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "Eliminating Harmonics in a Multilevel Inverter Using the Theory of Symmetric Polynomials and Resultants," IEEE Conference on Decision and Control, December 9-12, 2003, Maui, Hawaii, pp. 3507-3512.

J.Chiasson, L. Tolbert, K. McKenzie, Z. Du, "Real-Time Computer Control of a Multilevel Converter Using the Mathematical Theory of Results," Mathematics and Computers in Simulation, vol. 63, Nov. 2003, pp. 197-208.

B. Ozpineci, Z. Du, L. M. Tolbert, Don J. Adams, Don Collins, "Integrating Multiple Solid Oxide Fuel Cell Modules," IEEE Industrial Electronics Conference, November 2-6, 2003, Roanoke Virginia, pp. 1568-1573.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A New Approach to Solving the Harmonic Elimination Equations for a Multilevel Converter," IEEE Industry Applications Society Annual Meeting, October 12-16, 2003, Salt Lake City, Utah, pp. 640-645.

B. Ozpineci, L. M. Tolbert, S. K. Islam, M. Chinthavali, "Comparison of Wide Bandgap Semiconductors for Power Applications," 10th European Conference on Power Electronics and Applications, September 2-4, 2003, Toulouse, France.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "A New Approach to the Elimination of Harmonics in a Multilevel Converter," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

L. M. Tolbert, Y. Xu, J. Chen, F. Z. Peng, J. N. Chiasson, "Definitions for Non-Periodic Current Compensation," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

B. Ozpineci, L. M. Tolbert, S. K. Islam, "System Level Benefits of SiC Power Devices in DC-DC Converters," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

G. J. Su, D. J. Adams, F. Z. Peng, and H. Li, “A Soft-Switched DC/DC Converter for Fuel Cell Applications,” pp. 757–764 in SAE 2002 Transactions–Journal of Passenger Cars: Electronic and Electrical Systems, ISBN 0-7680-1291-0, September 2003.

J. N. Chiasson, L. M. Tolbert, Y. Lu, "A Library of SIMULINK Blocks for real-time Control of HEV Traction Drives," SAE 2002 Transactions Journal of Engines, September 2003, pp. 2376-2385.

L. M. Tolbert, B. Ozpineci, S. K. Islam, F. Z. Peng, "Impact of SiC Power Electronic Devices for Hybrid Electric Vehicles," SAE 2002 Transactions Journal of Passenger Cars - Electronic and Electrical Systems, September 2003, pp. 765-771.

J. S. Hsu, "High Strength Undiffused Brushless (HSUB) Machine," IEEE Transactions on Energy Conversion.  The volume and number have not been assigned yet, July 2003.

L. M. Tolbert, Y. Xu, J. Chen, F. Z. Peng, J. N. Chiasson, "Compensation of Irregular Currents with Active Filters," IEEE Power Engineering Society General Meeting, July 13-18, 2003, Toronto, Canada, pp. 1278-1283.

L. M. Tolbert, J. N. Chiasson, F. Z. Peng, "Modulation Index Regulation of a Multilevel Inverter for Static Var Compensation," IEEE Power Engineering Society General Meeting, July 13-18, 2003, Toronto, Canada, pp. 194-199.

L. M. Tolbert, Y. Xu, J. Chen, F. Z. Peng, J. N. Chiasson, "Application of Compensators for Non-Periodic Currents," IEEE Power Electronics Specialist Conference, June 15-19, 2003, Acapulco, Mexico, pp. 1525-1530.

B. Ozpineci, L. M. Tolbert, "Implementation of Induction Machine Model - A Modular pproach," IEEE International Electric Machines and Drives Conference, June 1-4, 2003, Madison, Wisconsin, pp. 728-734.

L. M. Tolbert, J. N. Chiasson, K. J. McKenzie, Z. Du, "Control of Cascaded Multilevel Converters with Unequal Voltage Sources for HEV," IEEE International Electric machines and Drives Conference, June 1-4, 2003, Madison, Wisconsin, pp. 663-669.

B. Ozpineci, L. M. Tolbert, "Characterization of SiC Schottky Diodes at Different Temperatures," IEEE Power Electronics Letters, vol. 1, no. 2, June 2003, pp. 54-57.

Y. Xu, L. M. Tolbert, F. Z. Peng, J. N. Chiasson, J. Chen, "Compensation-based Non-active Power Definition," IEEE Power Electronics Letters, vol. 1, no. 2, June 2003, pp. 45-50.

S. C. Nelson,Automotive Electric Motor Drive (AEMD): Validation Testing and Contract Manager Technical Support,” PEEMRG discussions with Easton, Knoxville, Tennessee, May 7, 2003.

L. D. Marlino, “ Automotive Integrated Power Module (AIPM): Validation Testing and Contract Manager Technical Support,” PEEMRG discussions with Eaton, Knoxville, Tennessee, May 7, 2003.

J. N. Chiasson, L. M. Tolbert, K. McKenzie, Z. Du, "Control of a Multilevel Converter Using Resultant Theory," IEEE Transactions on Control System Theory, vol. 11, no. 3, May 2003, pp. 345-354.

L. M. Tolbert, B. Ozpineci, S. K. Islam, M. Chinthavali, "Wide Bandgap Semiconductors for Utility Applications," IASTED International Conference on Power and Energy Systems (PES 2003), February 24-26, 2003, Palm Springs, California, pp. 317-321.

D. J. Adams, “ORNL Power Electronics Research for DER Utility Interfaces,” Workshop on Systems Driven Approach for Inverter R& D, Baltimore, Maryland, April 23, 2003.

H. Li, F. Z. Peng, J. S. Lawler, "A natural ZVS medium-power bidirectional DC-DC converter with minimum number of devices," pp. 525-535 in Industry Applications IEEE Transactions, 39, March/April 2003 (submitted 2000).

L. M. Tolbert, W. A. Peterson, T. J. Theiss, M. B. Scudiere, "Electronic Power Conversion System for an Advanced Mobile Generator Set," IEEE Industry Applications Magazine, March/April 2003, pp. 48-54.

J. S. Lawler, J. M. Bailey, J. W. McKeever, and J. Pinto, "Extending the Constant Power Speed Range of the Brushless DC Motor through Dual-Mode Inverter Control," Transactions on Power Electronics, February 19, 2003.

B. Ozpineci, L. M. Tolbert, S. K. Islam, M. Hasanuzzaman "System Impact of SiC Power Devices," International Journal of High Speed Electronics and Systems, 2003.

J. N. Chiasson, L. M. Tolbert, K. McKenzie, Z. Du, "Control of a Multilevel Converter Using Resultant Theory," IEEE Transactions on Control System Theory, vol. 11, no. 3, May 2003, pp. 345-354.

L. M. Tolbert, W. A. Peterson, T. J. Theiss, M. B. Scudiere, "Gen-Sets," IEEE Industry Applications Magazine, vol. 9, no. 2, March/April 2003, pp. 48-54.

J. S. Lawler, J. M. Bailey, J. W. McKeever, "Laboratory Demonstration of the Dual Mode Inverter Control," 7th IASTED International Multi-Conference Power Electronics Technology and Applications, February 24-26, 2003, Palm Springs, California.

J. S. Lawler, J. M. Bailey, J. W. McKeever, J. Pinto, "Theory and Simulation of the Dual Mode Inverter Control", 7th IASTED International Multi-Conference Power Electronics Technology and Applications, February 24-26, 2003, Palm Springs, California.

L. M. Tolbert, Y. Xu, J. Chen, F. Z. Peng, J. N. Chiasson, "Active Filter Energy Storage Requirement for Non-Periodic Current Compensation," IASTED International Conference on Power and Energy Systems (PES 2003), February 24-26, 2003, Palm Springs, California, pp. 388-393.

J. N. Chiasson, L. M. Tolbert, K. McKenzie, Z. Du, "Harmonic Elimination in Multilevel Converters," IASTED International Conference on Power and Energy Systems (PES 2003), February 24-26, 2003, Palm Springs, California, pp. 284-289.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, B. Ozpineci, "Model Simulations and Verifications of a Vertical Double Implanted (DIMOS)Transistor in 4H-Silicon Carbide," IASTED International Conference on Power and Energy Systems (PES 2003), February 24-26, 2003, Palm Springs, California, pp. 313-316.

L. M. Tolbert, J. N. Chiasson, K. McKenzie, Z. Du, "Elimination of Harmonics in a Multilevel Converter with Non Equal DC Sources," IEEE Applied Power Electronics Conference (APEC 2003), February 9-13, 2003, Miami, Florida, pp. 589-595.

J. N. Chiasson, L. M. Tolbert, K. McKenzie, Z. Du, "A Complete Solution to the Harmonic Elimination Problem," IEEE Applied Power Electronics Conference (APEC 2003), February 9-13, 2003, Miami, Florida, pp. 596-602.

D. J. Adams, “U.S. Department of Energy’s Power Electronics and Drives Needs,” NSF Workshop – Power Electronics and Drives, Tempe, Arizona, January 5–7, 2003.

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2002

B. Ozpineci, L. M. Tolbert, S. K. Islam, M. Hasanuzzaman, "System Impact of SiC Power Devices," Frontiers in Electronics, 2002, ISBN 981-238-222-4, pp. 233-242.

L. M. Tolbert, F. Z. Peng, T. Cunnyngham, J. N. Chiasson, "Charge Balance Control Schemes for Multilevel Converter in Hybrid Electric Vehicles", IEEE Transactions on Industrial Electronics, vol. 49, no. 5, October 2002, pp.1058-1064.

J. S. Lawler, J. M. Bailey, J.W. McKeever, "Theoretical Verification of the Infinite Constant Power Speed Range of the Brushless DC Motor Driven by Dual Mode Inverter Control," 7th IEEE Workshop on Power Electronics in Transportation (WPET 2002), October 24-25, 2002, Auburn Hills, Michigan, pp. 75-82.

B. Ozpineci, L. M. Tolbert, S. K. Islam, "Silicon Carbide Power Device Characterization for HEVs", 7th IEEE Workshop on Power Electronics in Transportation (WPET 2002), October 24-25, 2002, Auburn Hills, Michigan, pp. 93-97.

G. J. Su, F. Z. Peng, D. J. Adams, "Experimental Evaluation of a Soft-Switching DC/DC Converter for Fuel Cell Vehicle Applications," 7th IEEE Workshop on Power Electronics in Transportation (WPET 2002), October 24-25, 2002, Auburn Hills, Michigan, pp. 39-44.

L. M. Tolbert, J. N. Chiasson, K. McKenzie, Z. Du, "Elimination of Harmonics in a Multilevel Converter for HEV Applications," 7th IEEE Workshop on Power Electronics in Transportation (WPET 2002), October 24-25, 2002, Auburn Hill, Michigan, pp. 135-142.

Burak Ozpineci, Leon M. Tolbert, Syed K. Islam, M Hasanuzzaman, "A Parametric Device Study for SiC Power Electronics," IEEE Industry Applications Society Annual Meeting, vol. 1, October 13-17, 2002, Pittsburgh, Pennsylvania, pp. 570-575.

L. M. Tolbert, W. A. Peterson, M. B. Scudiere, C. P. White, T. J. Theiss, "A Bi-Directional DC-DC Converter with Minimum Energy Storage Elements," IEEE Industry Applications Society Annual Meeting, vol. 3 October 13-17, 2002, Pittsburgh, Pennsylvania, pp. 1572-1577.

Burak Ozpineci, Leon M. Tolbert, S. K. Islam, T. J. Theiss, "A Parametric Device Study for SiC Diodes in Vehicular Applications," Vehicular Technology Conference, vol. 3, September 24-28, 2002, pp. 1495-1499.

B. Ozpineci, L. M. Tolbert, S. K. Islam, F. Z. Peng, "Testing, Characterization, and Modeling of SiC Diodes for Transportation Applications," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 1673-1678.

F. Z. Peng, G. J. Su, L. M. Tolbert, "A Passive Soft-Switching Snubber for PWM Inverters," IEEE Power Electronics Specialists Conference, vol. 1, June 23-27, 2002, Cairns, Australia, pp. 129-134.

D. J. Adams, "Power Electronics and Electric Machinery Innovations-U.S. Government's Role in PNGV," SECA Core Technology Program Review, June 19, 2002, Pittsburgh, Pennsylvania.

P. S. Shin, P. J. Otaduy, J. W. McKeever, D. J. Adams, "Interactive Design and Analysis Program for Switched Reluctance Motor using an Analytical Method," 10th Biennial IEEE Conference on Electromagnetic Field Computation, June 16-19, 2002, Perugia, Italy.

J. S. Hsu, E. A. Franco-Ferreira, C. L. Coomer, S. M. Jenkins, "A New Manufacturing Technology for Induction Machine Copper Rotors," Proceedings of the Future Car Congress, June 3-5, 2002, Arlington, Virginia.

Leon M. Tolbert, Burak Ozpineci, S. K. Islam, F. Z. Peng, "Impact of SiC Power Electronics Devices for Hybrid Electric Vehicles," SAE Future Car Congress, June 3-5, 2002, Arlington, Virginia (SAE paper number 2002-01-1904).

G. J. Su, D. J. Adams, H. Li, "A Soft-Switched DC-DC Converter for Fuel Cell Vehicle Application," 2002 Future Car Congress, June 3-5, 2002, Arlington, Virginia.

J. N. Chiasson, L. M. Tolbert, K. McKenzie, Z. Du, "Eliminating Harmonics in a Multilevel Converter using Resultant Theory," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 503-508.

F. Z. Peng, L. M. Tolbert, "Definitions and Compensation of Non-Active Current in Power Systems," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 1779-1784.

J. N. Chiasson, L. M. Tolbert, Y. Lu, "A Library of SIMULINK blocks for Real-Time Control of HEV Traction Drives," 2002 Future Car Congress Proceedings, June 3-5, 2002, Arlington, Virginia. (SAE paper number 2002-01-1934).

J. S. Lawler, J. M. Bailey, J. W. McKeever, J. Pinto, "Limitations of the Conventional Phase Advance Method for Constant Power Operation of the Brushless DC Motor," 2002 SoutheastCon IEEE Proceedings, April 5-7, 2002, Columbia, South Carolina, pp. 174-180.

G. J. Su, J. W. McKeever, "Low-Cost Senorless Control of Brushless DC Motors with Improved Speed Range", Applied Power Electronics Conference and Exposition APEC 2002 March 10-14, 2002, Dallas Texas, pp.286-292.

B. Ozpineci, L. M. Tolbert, S. K. Islam, M. Hasanuzzaman "System Impact of SiC Power Devices," International Journal of High Speed Electronics and Systems, vol. 12, no. 2, 2002, pp. 439-448.

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2001

B. Ozpineci, L. M. Tolbert, S. K. Islam, M. Hasanuzzaman, "Effects of Silicon Carbide (SiC) Power Devices on PWM Inverter Losses," The 27th Annual Conference of the IEEE Industrial Electronics Society, November 29 - December 2, 2001, Denver, Colorado, pp. 1061-1066.

B. Ozpineci, L. M. Tolbert, S. K. Islam, M. Hasanuzzaman, "Effects of Silicon Carbide (SiC) Power Devices on PWM Inverter Losses," The 27th Annual Conference of the IEEE Industrial Electronics Society, November 29 - December 2, 2001, Denver, Colorado, pp. 1061-1066.

G. J. Su, J. W. McKeever, "Modular PM Motor Drives for Automotive Traction Applications," 2001 IEEE/IECON, 27the Annual Conference of the IEEE vol. 1, November 29-December 3, 2001, Denver, Colorado, pp. 119-124.

Burak Ozpineci, Joao O. P. Pinto, Leon M. Tolbert, "Pulse-Width Optimization in a Pulse Density Modulated High Frequency AC-AC Converter Using Genetic Algorithms," IEEE International Conference on Systems, Man, and Cybernetics, vol. 3, October 7-10, 2001, Tucson, Arizona, pp. 1924-1929.

J. S. Lawler, J. M. Bailey, J. W. McKeever, J. Pinto "Extending the Constant Power Speed Range of the Brushless DC Motor through Dual-Mode Inverter Control, Part II: Laboratory Proof-of-Principle," submitted to IEEE for upcoming consideration in upcoming conferences September, 2001.

Leon M. Tolbert, William A. Peterson, Matt Scudiere, Larry Seiber, George Farquharson, "Electronic Power Conversion System for an Advanced Mobile Generator Set," IEEE Industry Applications Society Annual Meeting September 30-October 4, 2001, Chicago, Illinois.

H. Li, F. Z. Peng, J. S. Lawler, "Modeling and Control for a Natural ZVS 1.6 kW Bi-Directional DC-DC Converter," IEEE/IAS 36th Annual Meeting, September 30-October 5, 2001, Chicago, Illinois.

G. J. Su, D. J. Adams, "Multilevel DC Link Inverter for Brushless Permanent Magnet Motors with Very Low Inductance," 2001 IEEE Systems, Man, and Cybernetics Conference, October 7-10, 2001, Tucson Arizona.

G. J. Su, D. J. Adams, Leon M. Tolbert, "Comparative Study of Power Factor Correction Converters for Single Phase Half-Bridge Inverters," IEEE 32nd Power Electronics Specialists Conference(PESC), vol. 2, June 17-21, 2001, Vancouver, Canada, pp. 995-1000.

J.S. Hsu, “Closure on Hydrid-Secondary-Uncluttered Induction(HSU-I) Machine,” to be published in the IEEE Transactions on Energy Conversions as closure to discussions, 16, 2001, pp.

J.S. Lawler, J. M. Bailey, J. W. McKeever,and J. Pinto "Extending the Constant Power Speed Range of the Brushless DC Motor through Dual-Mode Inverter Control, Part I: Theory and Simulation," submitted to IEEE for consideration in upcoming conferences, September 2001.*

L. M. Tolbert, W. A. Peterson, M. B. Scudiere, C. P. White, T. J. Theiss, J. B. Andriulli, C. W. Ayers, G. Farquharson, G. W. Ott, L. E. Seiber, "Electronic Power Conversion System for an Advanced Mobile Generator Set," IEEE Industry Applications Society Annual Meeting, September 30 - October 4, 2001, Chicago, Illinois, pp. 1763-1768.

H. Li, F. Z. Peng, J. S. Lawler, "A Natural ZVS High-Power Bi-Directional DC-DC Converter with Minimum Number of Devices," IEEE Industry Applications Society Annual Meeting, September 30 - October 4, 2001, Chicago, Illinois, pp. 1874-1881.

L. M. Tolbert, H. Qi, F. Z. Peng, "Scalable Multi-Agent System for Real-Time Electric Power Management," IEEE Power Engineering Society Summer Meeting, vol. 3, July 15-19, 2001, Vancouver, Canada, pp. 1676-1679.

M. Bodson, J. N. Chiasson, L. M. Tolbert, "A Complete Characterization of Torque Maximization of Permanent Magnet Non-Salient Synchronous Motors," IEEE American Controls Conference, June 25-27, 2001, Arlington, Virginia, pp, 2148-2149.

G. J. Su, D. J. Adams, L. M. Tolbert, "Comparative Study of Power Factor Correction Converters for Single-Phase Half-Bridge Inverters," IEEE Power Electronics Specialists Conference, June 17-21, 2001, Vancouver, Canada, pp. 995-1000.

J. N. Chiasson, L. M. Tolbert, "High Performance Motion Control of a Switched Reluctance Motor," IEEE International Electric Machine Drives Conference, June 17-20, 2001, Cambridge, Massachusetts, pp. 425-429.

F. Z. Peng, "Harmonic Sources and Filtering Approaches," IEEE Industry Applications Magazine, vol. 7, no. 4, July/August 2001, pp. 18-25.

J. S. Hsu, "Hybrid-Secondary Uncluttered Induction (HSU-I) Machine," IEEE Transactions on Energy Conversion, vol. 16, no. 2, June 2001, pp. 192-197.

J. S. Hsu, "Flux Guides for Permanent Magnet Machines," IEEE Transactions on Energy Conversion, vol. 16, no. 2, June 2001, pp. 186-191.

G. S. Su, "Design and Analysis of a Low Cost, High Performance Single Phase UPS System," 2001 IEEE Applied Power Electronics Conference and Exposition, March 4-8, 2001, Anaheim, California, pp. 900-906.

H. Li, F. Z. Peng, J. S. Lawler, "Modeling, Simulation, and Experimental Verification of Soft-Switched Bi-Directional DC-DC Converters," 2001 IEEE Applied Power Electronics Conference and Exposition, Anaheim, California, March 4-8, 2001, pp. 736-742.

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2000

J. S. Hsu, "Direct Control of Air-Gap Flux in Permanent-Magnet Machines," IEEE Transactions on Energy Conversions, vol. 15, no. 4, December 2000, pp. 361-365.

L. M. Tolbert, "Comparison of Time-Based Non-Active Power Definitions for Active Filtering," IEEE International Power Electronics Congress, October 15-19, 2000, Acapulco, Mexico.

D. J. Adams, F. Z. Peng, J. S. Hsu, J. W. McKeever, C. W. Ayers, S. W. Allison, J. Chiasson, "FY2000 Oak Ridge National Laboratory Progress Report for the Power Electronics and Electric Machinery Program," Convergence 2000 Proceedings, October 16-18, 2000, October 2000, pp. 427-435.

F. Z. Peng, "A Generalized Multilevel Inverter Topology with Self Voltage Balancing," IEEE Industry Applications Society 35th Annual Meeting, Rome, Italy, 2000, pp. 2024-2031.

Leon M. Tolbert "Comparison of Time-Based Non-Active Power Definitions for Active Filtering," IEEE International Power Electronics Congress October 15-19, 2000, Acapulco, Mexico.

J. S. Hsu, E. A. Franco-Ferreira, C. L. Coomer, S. M. Jenkins, Sr., "A New Manufacturing Technology for Induction Machine Copper Rotors," possible publication

F. Z. Peng, D. J. Adams, "An Auxiliary Quasi-Resonant Tank Soft-Switching Inverter," IEEE Industry Applications Society 35th Annual Meeting, Rome, Italy, Oct. 8-12, 2000, pp. 2397-2403.

G. J. Su, J. W. McKeever, K. S. Samons, "Design of a PM Brushless Motor Drive for Hybrid Electric Vehicle Application," PCIM 2000 Conference, Boston, October 1-5, 2000.

F. Z. Peng, "An Electric Bus Traction Drive System with Soft-Switching Inverter and Speed-Sensorless Induction Motor Control," IEEE 3rd International Power Electronics and Motion Control Conference, Beijing, China, Aug. 15-18, 2000.

H. Li, F. Z. Peng, J. Lawler, "A Study of Modelling and Simulation for Soft-Switched bi-directional DC-DC Converters," 7th Workshop on Computers in Power Electronics, Blacksburg, Virginia, July 16-18, 2000, pp. 69-74.

F. Z. Peng, L. M. Tolbert, "Compensation of Non-Active Current in Power Systems - Definitions from Compensation Standpoint," IEEE Power Engineering Society Summer Meeting, July 15-20, 2000, Seattle, Washington, pp. 983-987.

L. M. Tolbert, F. Z. Peng, "Multilevel Converters as a Utility Interface for Renewable Energy Systems," IEEE Power Engineering Society Summer Meeting, July 15-20, 2000, Seattle, Washington, pp. 1271-1274.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Multilevel PWM Methods at Low Modulation Indexes," IEEE Transactions on Power Electronics, vol. 15, no. 4, July 2000, pp. 719-725.

F. Z. Peng, "Capacitors in Power Electronics Circuits," Passive Components for Power Electronics Workshop, State College, Pennsylvania, April 25-27, 2000.

J. W. McKeever, S. Das, L. M. Tolbert, L. D. Marlino, A. Nedungadi, "Life-Cycle Cost Sensitivity to Battery-Pack Voltage of an HEV," SAE 2000 Future Car Congress Proceedings, April 2-6, 2000, Arlington, Virginia. (SAE paper number 2000-01-1556).

P. J. Otaduy, J. W. McKeever, J. M. Bailey, "Model-based Generation of Scaling Laws for Radial-Gap Permanent Magnet Motors," SAE 2000 Future Car Congress, April 2-6, 2000, Arlington, Virginia.

G. J. Su, H. W. Ott, J. W. McKeever, K. S. Samons, R. L. Kessinger, "Development of a Sensor-less Speed Control Inverter for an Automotive Accessory Permanent Magnet Motor," SAE 2000 Future Car Congress, April 2-6, 2000, Arlington, Virginia, SAE Paper #00FCC-28.

F. Z. Peng, "Large Motor Drives," Encyclopedia of Electrical and Electronics Engineering, John Wiley and Sons, 2000.

J. S. Hsu, "A Machine Approach for Field Weakening of Permanent Magnet Motors," SAE 2000 Future Car Congress, April 2-6, 2000, Arlington, Virginia.

F. Z. Peng, D. J. Adams, "Speed-Sensorless Control of Induction Motors for Electric Vehicles," SAE 2000 Future Car Congress, April 2-6, 2000, Arlington, Virginia.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "A Multilevel Converter-Based Universal Power Conditioner," IEEE Transactions on Industry Applications, vol. 36, no. 2, Mar./Apr. 2000, pp. 596-603.

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1999

J. B. Andriulli, et. al., P. J. Otaduy, M. B. Scudiere, L. M. Tolbert, "Advanced Power Generation Systems for the 21st Century: Recommendations for a Design Philosophy and Market Survey," Oak Ridge National Laboratory, October 1999.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Dynamic Performance and Control of a Multilevel Universal Power Conditioner," Conference Record - IEEE Industry Applications Society 34th Annual Meeting, Phoenix, Arizona, Oct. 3-7, 1999, pp. 440-447.

L. M. Tolbert, T. G. Habetler, "Novel Multilevel Inverter Carrier-Based PWM Methods," IEEE Transactions on Industry Applications, vol. 35, no. 5, Sept./Oct. 1999, pp. 1098-1107.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "A Multilevel Converter-Based Universal Power Conditioner, "IEEE Power Electronics Specialists Conference, Charleston, South Carolina, June 27 - July 1, 1999, pp. 393-399.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Multilevel PWM Methods at Low Modulation Indices, "IEEE Applied Power Electronics Conference, Dallas, Texas, March 14-18, 1999, pp. 1032-1039.

L. M. Tolbert, F. Z. Peng, T. G. Habetler, "Multilevel Converters for Large Electric Drives, "IEEE Transactions on Industry Applications, vol. 35, no.1, Jan./Feb. 1999, pp. 35-44.

J. Chang, J. Hu, F. Z. Peng,"Modular, Pinched DC-Link and Soft Commutated Three-Level Inverter, "IEEE Power Electronics Specialists Conference, Charleston, South Carolina, June 27 - July 1, 1999, pp. 1065-1070.

F. Z. Peng, D. J. Adams, "Harmonic Sources and Filtering Approaches - Series/Parallel, Active/Passive, and Their Combined Power Filters," Conference Record - IEEE Industry Applications Society 34th Annual Meeting, Phoenix, Arizona, Oct. 3-7, 1999, pp. 448-455.

F. Z. Peng, G. J. Su, G. Farquharson, "A Series LC Filter for Harmonic Compensation of ac Drives, "IEEE Power Electronics Specialists Conference, Charleston, South Carolina, 1999, pp. 213-218.

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1998

F. Z. Peng, G. W. Ott, D. J. Adams, "Harmonic and Reactive Power Compensation Based on the Generalized Instantaneous Reactive Power Theory for 3-phase 4-Wire Systems," IEEE Transactions on Power Electronics, vol. 13, no. 6, Nov. 1998, pp. 1174-1181.

W. Schwenterly, J. S. Hsu, et. al., "Performance of a 1 MVA High Temperature Superconducting (HTS) Demonstration Transformer," IEEE Conference on Applied Superconductivity, 1998, Palm Desert, California.

J. S. Hsu, "Individually-Fed Multiple-Winding Brushless Current-Source Direct-Current Machine," Naval Symposium on Electric Machines, Annapolis, Maryland, October 26-29, 1998.

J. S. Hsu, "Soft Commutated Direct Current Motor, "IEEE Workshop on Power Electronics in Transportation, Dearborn, Michigan, October 22-23, 1998, pp. 95-102.

J. S. Hsu, "Instantaneous Phasor Method for Obtaining Instantaneous Balanced Fundamental Components for Power Quality Control and Continuous Diagnostics," IEEE Transactions on Power Delivery, vol. 13, no. 4, Oct. 1998, pp. 1494-1500.

J. S. Hsu, "Induction-Motor Field Evaluation Using Instantaneous Phasor Method, "Conference Record - Industry Applications Society 33rd Annual Meeting, St. Louis, Missouri, October 12-16, 1998, pp. 243-250.

C. W. Ayers, "Electrical Signature Analysis Applications for Non-Intrusive Automotive Alternative Diagnostics," Sound and Vibration Magazine, 1998.

J. W. McKeever, "Adjustable Speed Drives for Controlling Electric Motors, "Energy User News (newsletter), 1998.

F. Z. Peng, "Application Issues of Active Power Filters," IEEE Industry Applications Magazine, vol. 4, no. 5 Sept. 1998, pp. 21-30.

J. S. Hsu, "Instantaneous Phasor Method Under Severely Unbalanced Situations, "Proceedings of the IEEE/PES Summer Meeting, San Diego, California, July 12-16, 1998.

J. S. Hsu,"Instantaneous Power Factor Determined by Instantaneous Phasors," Proceedings of the 1998 Large Engineering Systems Conference on Electrical and Computer Engineering, Halifax, Nova Scotia, Canada, June 7-9, 1998.

A. Mansoor, J. McGee, F. Z. Peng, "Even-Harmonic Concerns at an Industrial Facility Using a Large Number of Half Controlled Rectifiers," IEEE Applied Power Electronics Conference, Anaheim, California, Feb. 15-19, 1998, pp. 994-1000.

J. S. Hsu, "Instantaneous Phasor Method for Obtaining Instantaneous Balanced Fundamental Components for Power Quality Control and Continuous Diagnostics," IEEE Power Engineering Society Winter Meeting, Tampa, Florida, Feb. 1-5, 1998.

J. S. Hsu, J. D. Kueck, M. Olszewski, D. A. Casada, P. J. Otaduy, L. M. Tolbert, "Comparison of Induction Motor Field Efficiency Evaluation Methods," IEEE Transactions on Industry Applications, vol. 34, no. 1, Jan. 1998, pp. 117-125.

D. J. Adams, "DOE Power Electronics and Electric Machinery Program," presented at the PNGV 1998 All Tech Team Meeting, Electrical and Electronics Technical Team, Troy, Michigan, January 28, 1998.

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1997

F. Z. Peng, J. W. McKeever, D. J. Adams, "Cascade Multilevel Inverters for Utility Applications, "IEEE IECON Proceedings, New Orleans, Louisiana, Nov. 9-13, 1997.

F. Z. Peng, D. J. Adams, "Auxiliary Resonant Tank Soft-Switching Inverter, "PEBB Applications Workshop, San Diego, California, Nov. 5-7, 1997.

D. J. Adams, "Power Electronics and Electric Machinery Developments at the Oak Ridge National Laboratory," presented at the IAPG Electrical/Systems Working Group, Radisson Harbor View Hotel, San Diego, California, November 3-4, 1997.

F. Z. Peng, J. W. McKeever, D. J. Adams, "A Power Line Conditioner Using Cascade Multilevel Inverters for Distribution Systems," Conference Record - IEEE Industry Applications Society 32nd Annual Meeting, New Orleans, Louisiana, Oct. 5-9, 1997, pp. 1316-1321.

L. M. Tolbert, L. J. Degenhardt, J. T. Cleveland, "Reliability of Lightning-Resistant Overhead Lines, "IEEE Industry Applications Magazine, vol. 3, no. 4, July 1997, pp. 17-21.

F. Z. Peng, G. W. Ott, Jr., D. J. Adams, "Harmonic and Reactive Power Compensation Based on the Generalized Reactive Power Theory for 3-Phase 4-Wire Systems, "Proceedings of the IEEE Power Electronics Specialists Conference, New Orleans, Louisiana, June 1997, pp. 1089-1095.

L. M. Tolbert, F. Z. Peng, D. J. Adams, J. W. McKeever, "Multilevel Inverters for Large Automotive Electric Drives, "Second International All-Electric Combat Vehicle Conference, Dearborn, Michigan, June 8-12, 1997, pp. 209-214.

D. J. Adams, J. S. Hsu, R. W. Young, Sr., F. Z. Peng, "Power Electronics and Electric Machinery Challenges and Opportunities in Electric and Hybrid Vehicles, "Proceedings of the International Symposium on Automotive Technology and Automation, Florence, Italy, June 16-19, 1997.

F. Z. Peng, J. S. Lai, "Dynamic Performance and Control of a Static Var Generator Using Cascade Multilevel Inverters," IEEE Transactions Industry Applications, vol. 33, no. 3, May/June 1997, pp. 748-755.

J.D. Kueck, "Accuracy Considerations in Motor Efficiency Testing," MARCON 97, International Conference on Maintenance and Reliability, March 1997.

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1996

F. Z. Peng, J. S. Lai, "Reactive Power and Harmonic Compensation Based on the Generalized Instantaneous Reactive Power Theory for Three-Phase Power Systems," Proceedings of the IEEE 7th International Conference on Harmonics and Quality of Power, Las Vegas, Nevada, Oct. 1996, pp. 83-89.

F. Z. Peng, J. S. Lai, "Application Consideration and Compensation Characteristics of Shunt Active and Series Filters in Power Systems," Proceedings of the IEEE 7th International Conference on Harmonics and Quality of Power, Las Vegas, Nevada, Oct. 1996, pp. 12-20.

J. S. Lai, T. S. Key, "Effectiveness of Harmonic Mitigation Equipment for Commercial Office Buildings," Conference Record - IEEE Industry Applications Society 31st Annual Meeting, San Diego, California, Oct. 6-10, 1996, pp. 2244-2250.

L. M. Tolbert, P. S. Hale, H. Hollis, "Evaluation of Harmonic Suppression Devices," Conference Record - IEEE Industrial Applications Society Annual Meeting, San Diego, California, Oct. 6-10, 1996, pp. 2340-2346.

L. M. Tolbert, P. S. Hale, H. Hollis, "Survey of Harmonics Measurements in Electrical Distribution Systems, "Conference Record - IEEE Industrial Applications Society Annual Meeting, San Diego, California, Oct. 6-10, 1996, pp. 2333-2339.

J. S. Hsu, J. D. Kueck, M. Olszewski, D. A. Casada, P. J. Otaduy, L. M. Tolbert, "Comparison of Induction Motor Field Efficiency Evaluation Methods," Conference Record- IEEE Industry Applications Society 31st Annual Meeting, San Diego, California, Oct. 6-10, 1996, pp. 703-712.

J. S. Hsu, D. J. Adams, M. B. Scudiere, S. M. Jenkins, G. W. Ott, Jr., J. W. McKeever, C. P. White, L. D. Marlino, "Low-Inertia Axial-Gap Permanent-Magnet Motors," Conference Record - IEEE Industrial Applications Society 31st Annual Meeting, San Diego, California, Oct. 6-10, 1996, pp. 479-486.

F. Z. Peng, J. S. Lai, "Dynamic Performance and Control of a Static Var Generator Using Cascade Multilevel Inverters, "Conference Record - IEEE Industry Applications Society 31st Annual Meeting, San Diego, California, Oct. 6-10, 1996, pp. 1009-1015.

F. Z. Peng, J. S. Lai, J. W. McKeever, J. VanCoevering, "A Multilevel Voltage-Source Inverter with Separate DC Sources for Static Var Generation," IEEE Transactions Industry Applications, vol. 32, no. 5, Sept./Oct. 1996, pp. 1130-1138.

J. S. Hsu, P. L. Sorenson, "Field Assessment of Induction Motor Efficiency through Air Gap Torque," IEEE Transactions on Energy Conversion, vol. 11, no. 3, Sept. 1996, pp. 489-494.

D. J. Adams, "ORNL Developing High Efficiency Inverter," Technologies for Energy Management, vol. 4, no. 8, August 1996, pp. 5-6.

J. S. Lai, "Resonant Snubber Based Soft-Switching Inverters for Electric Propulsion Drives," Proceedings of the IEEE 22nd International Conference on Industrial Electronics, Control, and Instrumentation, IECON, Taipei, Taiwan, Aug. 5-10, 1996, pp. 47-52.

J. S. Lai, F. Z. Peng, "Multilevel Converters - A New Breed of Power Converters, "IEEE Transactions Industry Applications, vol. 32, no. 3, May/June 1996, pp. 509-517.

S. P. N. Singh, D. J. Adams, and J. W. McKeever, "Development of Hydrogen-Fueled Fuel Cell-Powered Light-Duty-Transportation Engine," Proceedings of the 2nd Annual World Congress on Zero Emission, Chattanooga, Tennessee, May 30, 1996.

J. S. Lai, R.W. Young, Sr., G. W. Ott, Jr., J. W. McKeever, F. Z. Peng,"A Delta Configured Auxiliary Resonant Snubber Inverter," IEEE Transactions on Industry Applications, vol. 32, no. 3, May 1996, pp. 518-524.

J.D. Kueck, P.J. Otaduy, D.A. Casada, "A Comparison of Two Energy Efficient Motors," PPM Magazine, April 1996.

J.D. Kueck, "Assessment of Available Methods for Evaluating In-Service Motor Efficiency," Bonneville Power Administration Publication, April 1996.

D. J. Adams, "Power Generation Systems for NOx Reduction", Oak Ridge National Laboratory, Report No. Y/AMT-369, April 1996.

L. M. Tolbert, "Harmonic Analysis of Electrical Distribution Systems," ORNL- 6887, Oak Ridge National Laboratory, March 1996.

F. Z. Peng, J. S. Lai, "Generalized Instantaneous Reactive Power Theory for Three-Phase Power Systems," IEEE Transactions on Instrumentation and Measurement, vol. 45, no. 1, Feb. 1996, pp. 293-297.

J. S. Hsu, "Supply-Pollution (SP) Loss in Induction Motor," IEEE Power Engineering Society Winter Meeting, New York, New York, 1996.

J. W. McKeever, "Evaluation of Demo 1C Composite Flywheel Rotor Burst Test and Containment Design Implications", ORNL/TM-13159, Oak Ridge National Laboratory, 1996.

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1995

F. Z. Peng, J. S. Lai, J. W. McKeever, J. VanCoevering,"A Multilevel Voltage-Source Inverter with Separate DC Sources for Static Var Generation," Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Orlando, Florida, Oct. 8-12, 1995, pp. 2541-2548.

J. S. Lai, F. Z. Peng,"Multilevel Converters - A New Breed of Power Converters, "Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Orlando, Florida, Oct. 8-12, 1995, pp. 2348-2356.

J. S. Lai, R.W. Young, Sr., G. W. Ott, Jr., J. W. McKeever, F. Z. Peng, "A Delta Configured Auxiliary Resonant Snubber Inverter," Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Orlando, Florida, Oct. 8-12, 1995, pp. 2618-2624.

J. S. Hsu, P. J. Otaduy, J. D. Kueck, "Efficiency and Reliability Assessments of Retrofitted High-Efficiency Motors," Conference Record - IEEE Industrial Applications Society 30th Annual Meeting, Oct. 8-12, 1995, Orlando, Florida, pp. 2745-2751.

J. S. Hsu, B. P. Scoggins, M. B. Scudiere, L. B. Marlino, D. J. Adams, P. Pillay, "Nature and Assessments of Torque Ripple of Permanent-Magnet Adjustable-Speed Motors," Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Oct. 8-12, 1995, Orlando, Florida, pp. 2696-2702.

T. S. Key, J. S. Lai, "Costs and Benefits of Harmonic Current Reduction for Switch-Mode Power Supplies in a Commercial Office Building," Conference Record - IEEE Industry Applications Society 30th Annual Meeting, Oct. 8-12, 1995, Orlando, Florida, pp. 1101-1108.

J.D. Kueck, "Efficiency and Reliability Assessments of Retro-Fitted High Efficiency Motors," IEEE Transactions on Energy Conversion, October 1995.

J. S. Hsu, "Monitoring of Defects in Induction Motors through Air-Gap Torque Observation," IEEE Transactions on Industry Application, vol. 31, no. 5, Sept. 1995, pp. 1016-1021.

F. Z. Peng, J. S. Lai, J. McKeever, J. VanCoevering, "A Multilevel Voltage-Source Converter System with Balanced DC Voltages, "Proceedings of the IEEE Power Electronics Specialists Conference, Atlanta, Georgia, June 1995, pp. 1144-1150.

J. S. Lai, R. W. Young, Sr. G. W. Ott, Jr. J. W. McKeever, "Efficiency Modeling and Evaluation of a Resonant Snubber Based Soft-Switching Inverter for Motor Drive Applications, "Proceedings of the IEEE Power Electronics Specialists Conference, Atlanta, Georgia, June 1995, pp. 943-949.

L. M. Tolbert, "Computer-Aided Overcurrent Coordination and Protection of Industrial Distribution Systems," Conference Record - IEEE Industrial & Commercial Power Systems Technical Conference, May 7-11, 1995, San Antonio, Texas, pp. 169-173.

J. S. Lai, R. W. Young, Sr., G. W. Ott, Jr., C. P. White, J. W. McKeever, D. Chen, "A Novel Resonant Snubber Based Soft Switching Inverter," Proceedings of the IEEE Applied Power Electronics Conference, Dallas, Texas, March 1995, pp. 797-803.

J. W. McKeever, J. B. Andriulli, "Status Update and Review of the ORNL Modeling and Containment Instrumentation Effort," presented at the DARPA Flywheel Containment Working Group Meeting held in Westlake Village, California, 1995.

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1994

K. Tungpimolrut, F. Z. Peng, T. Fukao, "Robust Rotor Time Constant Estimation Method for Vector Control of Induction Motor under any Operating Conditions," IEEE IECON Proceedings, Los Alamitos, California, 1994, pp. 275-280.

F. Z. Peng, T. Fukao, J. S. Lai, "Low-Speed Performance of Robust Speed Identification Using Instantaneous Reactive Power for Tachless Vector Control of Induction Motors," Conference Record of the IEEE Industry Applications Society 29th Annual Meeting, 1994, pp. 509-514.

F. Z. Peng, J. S. Lai, "A Static Var Generator Using a Staircase Waveform Multilevel Voltage-Source Converter, "Proceedings of the PCIM/Power Quality Conference, Dallas, Texas, Sept. 1994, pp. 58-66.

J. S. Lai, F. Z. Peng, "Power Converter Options for Power System Compatible Mass Transit Systems, "Proceedings of the PCIM/Power Quality and Mass Transit System Compatibility Conference, Dallas, Texas, Sept. 1994, pp. 285-294.

J. S. Hsu, J. Stein, "Effects of Eccentricities on Shaft Signals Studied Through Windingless Rotors," IEEE Transactions on Energy Conversion, vol. 9, no. 3, Sept. 1994, pp. 564-571.

F. Z. Peng, T. Fukao, "Robust Speed Identification for Speed-Sensorless Vector Control of Induction Motors, "IEEE Transactions on Industry Applications, vol. 30, no. 5, Sept. 1994, pp. 1234-1240.

K. Tungpimolrut, F. Z. Peng, T. Fukao, "Robust Vector Control of Induction Motor without Using Stator and Rotor Circuit Time Constants," IEEE Transactions on Industry Applications, vol. 30, no. 5, Sept. 1994, pp. 1241-1246.

J. S. Lai, R. W. Young, J. W. McKeever, "Efficiency Consideration of DC Link Soft-Switching Inverters for Motor Drive Applications," Proceedings of the IEEE Power Electronics Specialists Conference, 1994, pp. 1003-1010.

R. W. Young, Sr., J. S. Lai, G. W. Ott, Jr., C. P. White, D. J. Adams, J. W. McKeever, J. M. Bailey, "Calculation of the Required Heat Sink Thermal Resistance of a Three-Phase SPRV Inverter Driving an Induction Motor," Proceedings of the Southcon '94 Technical Conference, Orlando, Florida, March 1994, pp. 540-545.

T. Kanokvate, F. Z. Peng, T. Fukao, "The characteristics of Rotor Time Constant Estimation Method for Vector-Controlled Induction Motor Based on Regulating Energy Stored in Magnetizing Inductance," IPEMC Conference Record, vol.1, 1994, pp.534-540.

J. S. Lai, R. W. Young, Sr., J. W. McKeever, and D. J. Adams, "Dynamic Modeling and Simulation for AC Machines Using State-Space and Nodal Representations," IEEE Applied Power Electronics Conference, Orlando, Florida, February 13-17, 1994.

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1993

J. S. Lai, "Super Capacitors and Their Applications," Proceedings of the Power Electronics Applications Center Conference (PECON), San Diego, California, November 1993.

J. W. McKeever, R. W. Young, Sr., J. M. Bailey, G. W. Ott, Jr., "Operation of a Test Bed Axial-Gap Brushless DC Rotor with a Superconducting Stator," Proceedings of the Cryogenic Engineering Conference, Albuquerque, New Mexico, July 1993.

T. S. Key, J. S. Lai et al., "Comparison of Standards Limiting Harmonic Distortion in Power Systems," IEEE Transactions on Industry Applications, vol. 29, no. 4, July 1993, pp. 688-695.

J. S. Lai, F. D. Martzloff, "Coordinating Cascaded Surge Protection Devices: High-Low Versus Low-High," IEEE Transactions on Industry Applications, vol. 29, no. 4, July 1993, pp. 680-687.

D. S. Chen, J. S. Lai, "Study of Power Correction Boost Converter Operating at CCM-DCM Mode," Conference Proceedings - IEEE SOUTHEASTCON '93, April 4-7, 1993, Charlotte, North Carolina.

J. S. Lai, D. Chen, "Design Consideration for Power Factor Correction Boost Converter Operating at the Boundary of Continuous Conduction Mode and Discontinuous Conduction Mode," Proceedings of IEEE Applied Power Electronics Conference, March 7-11, 1993, San Diego, California, pp. 267-273.

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1992

J. M. Bailey, J. W. McKeever, R. W. Young, Sr., "Axial-Gap Low-Temperature Superconducting Motor, "Proceedings of the Hong Kong IEEE, Hong Kong, Nov. 1992.

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1991

J. M. Bailey, R. A. Hawsey, "Analysis and Performance of an Axial-Gap Superconducting Motor", IEEE Transactions on Magnetics, vol. 27, part II, March 1991, pp. 2252-2255.

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