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Gallium Nitride (GaN) semiconductors have extremely low switching loss, high breakdown voltage, and high junction temperature rating. These characteristics enable improved device performance and thus improved switch mode power converter designs. This paper evaluates the Pareto-optimal performance improvements for a DC generation system with predicted GaN loss characteristics and a rigorous multi-objective...
The focus of this research is to investigate the tradeoffs between mass, efficiency, and cost of commercially available induction machines (IMs). To support this effort, data from large number of IMs is used to establish Pareto-optimal fronts between efficiency and mass and efficiency and cost. From the Pareto-optimal fronts, relatively straightforward models are formulated for the mass versus efficiency...
Permanent magnet and wound rotor synchronous machines (PMSMs and WRSMs) are often used in diesel engine-based portable power generation systems. In these applications, there is a growing desire to improve machine efficiency in order to reduce fossil fuel requirements. In addition, there is a desire to reduce mass to improve mobility. To attempt to address these competing performance objectives, a...
In an effort to advance the research and development capabilities related to shipboard power systems, the U.S. Office of Naval Research created the Electric Ship Research and Development Consortium. This group of seven U.S. universities is working to develop near term and far term research solutions for ship power systems on the all-electric ship. This paper provides an overview of the ESRDC, its...
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