Analysis and Calculation of the Power Device Switching Frequency of Modular Multilevel Converters

被引：0
|
作者：
Luo, Yongjie [1 ]
Li, Yaohua [1 ]
Li, Zixin [1 ]
Wang, Ping [1 ]
Xu, Fei [1 ]
Liu, Jin [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect Engn, Key Lab Power Elect & Elect Dr, Beijing 100190, Peoples R China
来源：
PROCEEDINGS OF THE 2014 9TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA) | 2014年
关键词：
MMC; modulation; sorting method; switching frequency; superior limit; inferior limit; PERFORMANCE; INVERTERS;
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：
In order to analyze and calculate the switching frequency of power switches in modular multilevel converter (MMC) quantitatively, a mathematical model for sinusoidal pulse width modulation (SPWM) and nearest level modulation (NLM) is proposed in this paper. The factors influencing the switching frequency are summarized, and the superior and inferior limits in extreme cases of operation are analyzed which infer the range of switching frequency. And then, the theoretical formulae for calculating the switching frequency are presented, which is helpful for designing the parameters of the power switches and the control system. Finally, the correctness of the calculation formulae and the feasibility of the analysis are well validated by simulation results.
引用
收藏
页码：908 / 912
页数：5
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