Efficiency Evaluation of Six-Phase VSI and NSI for 400V and 800V Electric Vehicle Powertrains

被引：5

作者：

Absar, Saif ^{[1
]}

Taha, Wesam ^{[1
]}

Emadi, Ali ^{[1
]}

机构：

[1] McMaster Univ, McMaster Automot Resource Ctr MARC, Hamilton, ON, Canada

来源：

IECON 2021 - 47TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2021年

关键词：

electric vehicle; multiphase drives; power converters; silicon carbide; vehicular technology; 9-SWITCH; MODULATION; CONVERTER; INVERTER;

D O I：

10.1109/IECON48115.2021.9589939

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents an efficiency evaluation of two six-phase inverter topologies for automotive applications: voltage source inverter (VSI) and nine-switch inverter (NSI). Their efficiency is studied for electric powertrains rated at 400 V and 800 V, and using silicon carbide (SiC) MOSFETs rated at 650 V and 1200 V operating at a switching frequency of 30 kHz. Prior to efficiency evaluation, a thorough analysis on the total device count required for 100 kW design is investigated for both topologies. It is found that NSI enjoys a superior efficiency when compared to six-phase VSI, at the expense of increased total device count.

引用

页数：6

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