Decoupled Modulation Scheme for Modular Multilevel Converters in Medium-Voltage Applications

被引：9
|
作者：
Li, Binbin [1 ]
Han, Linjie [1 ]
Mao, Shukai [1 ]
Zhou, Shaoze [1 ]
Qu, Zirao [1 ]
Xu, Dianguo [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2020年 / 35卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Circulating current; decoupled modulation; harmonic features; modular multilevel converter (MMC); FREQUENCY;
D O I：
10.1109/TPEL.2020.2983748
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：
Ensuring a good voltage waveform for the modular multilevel converter (MMC) is always of great importance. This article reveals that the modulation harmonic features of MMC would be adversely affected when applying circulating current suppression control. This problem becomes more severe in medium-voltage MMCs which has small number of submodules. A straightforward decoupled modulation scheme is proposed in this article to overcome this problem. Effectiveness of the proposed scheme is verified by simulation and experimental results.
引用
收藏
页码：11430 / 11441
页数：12
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