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PSMA PTR Webinar: Coupled Electronic and Magnetic Systems for High Performance Power Electronics
Abstract: Magnetic components present a critical bottleneck on the size, efficiency, and capability of power electronic converters. Active research for eliminating these bottlenecks includes using MHz switching frequencies, leveraging new magnetic materials, developing improved winding techniques, and employing planar magnetic constructions. This talk describes a new, but complementary, research direction in which magnetic and electronic systems are hybridized, viewed and designed as one coupled system, rather than their conventional treatment as separate elements. These are named "Coupled Electronic and Magnetic Systems" (CEMS).

First, the CEMS paradigm is explained and the key features which differentiate it from conventional magnetic components are elucidated, including important distinctions in how circuit models are generated. We then consider two systems developed under this paradigm: the Variable Inverter/Rectifier Transformer (VIRT) and its multi-phase counterpart, the Split-Phase Half-Turn VIRT (SPHTV), both of which enable fractional-turn transformers capable of achieving wide gain variation. In comparing these systems to the state-of-the-art, we demonstrate their high performance capability, further explore their salient features, and highlight key differences to previously proposed fractional-turn transformers. Finally, we discuss challenges and opportunities for the CEMS paradigm in today's and future high-performance power electronic converters.

Presenter: Mike Ranjram, Arizona State University

Aug 25, 2022 10:00 AM in Central Time (US and Canada)

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