Common-Mode Voltage Reduction of Modular Multilevel Converter Based on Six-Segment Carrier Level Shifted Sinusoidal Pulse Width Modulation

被引：6
作者：
Li, Hong [1 ]
Wang, Jiaxin [1 ]
Yang, Zhichang [1 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect Engn, Beijing, Peoples R China
来源：
2020 IEEE 9TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE (IPEMC2020-ECCE ASIA) | 2020年
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
modular multilevel converter (MMC); common-mode (CM) voltage; electromagnetic interference (EMI); carrier level shifted sinusoidal pulse width modulation (CLS-SPWM);
D O I：
10.1109/IPEMC-ECCEAsia48364.2020.9368096
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：
High frequency fluctuation in common-mode (CM) voltage of the modular multilevel converter (MMC) causes serious CM electromagnetic interference (EMI), which could damage the load motor and shorten its life. In this paper, a six-segment carrier level shifted sinusoidal pulse width modulation ((SCLS)-C-2-SPWM) method is firstly proposed for MMC, in order to keep the CM voltage constant and reduce CM EMI. The operation principle of the (SCLS)-C-2-SPWM is firstly introduced, then a 5-level MMC simulation platform is established based on MATLAB/Simulink. Finally, the correctness and effectiveness of the proposed (SCLS)-C-2-SPWM is verified by the simulation results. This paper provides a new way for solving the CM EMI problem in the MMC.
引用
收藏
页码：807 / 811
页数：5
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