采用硅/碳化硅混合动力开关的电动汽车牵引驱动性能评价

Changyu Tan, Marco Stecca, T. Soeiro, Jianning Dong, P. Bauer
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引用次数: 4

摘要

基于硅(Si)的IGBT和基于碳化硅(SiC)的MOSFET的并联形成所谓的混合开关(HyS),可用于利用半导体和材料技术的优势特性。本文将基于hys的电动汽车牵引逆变器与基于硅基igbt和基于硅基mos - fet的传统逆变器进行了比较。根据不同的标准化行驶周期,电动汽车在低部分负荷下运行的时间相当长。因此,在这种应用中,当使用单极开关(如mosfet)时,半导体传导损耗可以大大降低。总而言之,这项工作表明,与仅实现基于si的IGBT或仅基于sic的mosfet的解决方案相比,HyS配置在效率和成本之间构成了很好的折衷。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance Evaluation of an Electric Vehicle Traction Drive using Si/SiC Hybrid Switches
The parallel connection of a Silicon (Si)-based IGBT and a Silicon Carbide (SiC)-based MOSFET forming a so called hybrid switch (HyS) can be used to exploit the advantageous features of both semiconductor and materials technologies. In this paper, a HyS-based inverter designed for the application of Electric Vehicle (EV) traction is compared to the conventional inverter assembled with Si-based IGBTs and SiC-based MOS-FETs. According to different standardized driving cycles, EVs operate in low partial load for a considerable amount of the time. Therefore, in this application, semiconductor conduction losses can be considerably reduced when unipolar switches such as MOSFETs are used. All in all, this work shows that the HyS configuration constitutes a good compromise between efficiency and cost when compared to the solution implementing only Si-based IGBT or solely SiC-based MOSFETs.
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