Research Capabilities

Advanced Power Electronics

• Advanced soft-switching inverter topologies
• Packaging technologies for EMI minimization as well as space and weight reduction
• DSP-based control technologies for motor drives
• Electric, hybrid electric, plug-in hybrid, and fuel cell vehicle traction drives
• Motor-assisted turbochargers and auxiliary drives
• Multilevel inverters for high voltage and/or high power motor drives
• Silicon carbide-based power electronics and high temperature packaging
• Testing, characterization, and modeling of power devices
• Modeling and simulation at the device, module, and system levels
• DC-to-DC converter

Electric Machines

• Radial and axial gap permanent magnet machines
• Switched reluctance and synchronous reluctance machines
• DC homopolar and soft-commutated machines
• Superconducting motors, generators, and transformers
• Field weakening and enhancement techniques
• Advanced manufacturing technologies for electric machines
• Finite element analysis of electromagnetics, mechanical stresses, and thermal analysis

Thermal Control

• Direct cooling of electronic devices and systems
• Single-phase and two-phase cooling
• Coolant compatibility and comparison studies
• Hybrid electric vehicle drive train module and system-level thermal control R&D
• High temperature packaging techniques

Power Quality and Utility Interconnection

• Utility grid interface inverters for distributed energy resources suchas fuel cells, solar cells, or microturbines
• STATCOMs for reactive power compensation
• Active power filters for harmonic compensation
• Multilevel converters for utility applications such as static vargeneration, voltage regulation, harmonic compensation, back-to-back intertieof two asynchronous systems, HVDC applications, and distributed generation/utility interfaces
• Development of novel techniques to calculate active and reactivepower under unbalanced or nonlinear conditions