Impact of Common-mode Circuit on Variable Switching Frequency PWM Strategy in Voltage Source Inverters

被引:0
|
作者
Li, Qiao [1 ]
Jiang, Dong [1 ]
Chen, Jianan [1 ]
Zhang, Yechi [1 ]
机构
[1] Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Hubei, Peoples R China
关键词
three-level VSI; common-mode circuit; VSFPWM; electromagnetic interference;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
In this paper, a typical NPC three-level voltage source inverter (VSI) is selected, and the main objective is to study the influence of common-mode (CM) circuit on current ripple prediction, which is an important basis for variable switching frequency PWM (VSFPWM) design. Furthermore, to highlight the impact of CM voltage distortion on current ripple, this paper investigated the SVPWM and the CM elimination PWM (CMEPWM) for a NPC three-level inverter. Detailed experimental comparisons are carried out, and some useful conclusions are listed.
引用
收藏
页码:932 / 937
页数:6
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