CMV Suppression Method for Back-to-Back Three-level NPC Converter

被引:1
|
作者
Xu, Xiaona [1 ]
Wang, Kui [1 ]
Li, Yongdong [1 ]
机构
[1] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
common mode voltage suppression; zero-sequence voltage injection; back-to-back three-level NPC converter; VOLTAGE; INVERTER;
D O I
10.1109/IPEMC-ECCEAsia48364.2020.9367814
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Common mode voltage (CMV) is a common problem in multi-level converter. It will hurt the bearing of the AC motor. This paper proposed a new CMV suppression method using zero-sequence voltage (ZSV) injection. When this method is used in the back-to-back three-level NPC converter, the CMV will be reduced from 1/3 to 1/6 of the DC link voltage. Simulation and Experiments have been carried out in the laboratory, and the results verify the effectiveness of the proposed CMV suppression method.
引用
收藏
页码:2773 / 2778
页数:6
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