A Common-Mode Voltage Reduction Method for a Back-to-Back Four-level Hybrid-Clamped Converter

被引：0
|
作者：
Wang, Kui [1 ]
Li, Yongdong [1 ]
Zheng, Zedong [1 ]
Xu, Lie [1 ]
Fan, Boran [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing, Peoples R China
来源：
2015 18TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2015年
关键词：
D O I：
暂无
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：
Four-level hybrid-clamped (4L-HC) converter is a newly proposed topology which is suitable for high-performance medium-voltage drives. Zero-sequence voltage (ZSV) is commonly used to balance the DC-link capacitor voltages of this topology and then the common-mode voltage (CMV) is also affected. This paper proposes a CMV reduction method for a back-to-back 4L-HC converter. The relationship of CMV and ZSV in the back-to-back 4L-HC converter is discussed in detail and the amplitude of CMV at motor terminals can be effectively reduced by properly selecting the ZSV. Simulation results are presented to verify this method.
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收藏
页码：1558 / 1563
页数：6
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