Review of cryogenic power conversion and its potential in future all electric transportation systems: from silicon age to WBG era

F Luo, M Ul Hassan
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Abstract

Cryogenic power electronic conversion (< 123 K) is expected to offer higher efficiencies for future all-electric transportation platforms. Low temperature operation of converters together with integration of wide bandgap devices (WBG) can enable higher switching frequencies with reduced filtering components. This paper briefly reviews the passive components involved in the development of a cryogenic converter. The paper also reviews in detail the converter development with WBG devices by far, and provides a discussion on benefits achieved, and challenges in terms of auxiliary components and measurements. The last part of the paper gives a discussion on envisioned challenges, and different research directions for future superconducting power conversion systems.
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回顾低温动力转换及其在未来全电动交通系统中的潜力:从硅时代到世行集团时代
低温电力电子转换(123 K)有望为未来的全电动运输平台提供更高的效率。转换器的低温运行以及宽带隙器件(WBG)的集成可以在减少滤波元件的情况下实现更高的开关频率。本文简要回顾了低温转换器开发过程中涉及的无源元件。本文还详细回顾了迄今为止使用 WBG 器件开发转换器的情况,并讨论了所取得的效益以及在辅助元件和测量方面面临的挑战。论文的最后一部分讨论了未来超导电力转换系统所面临的挑战和不同的研究方向。
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