Research of Single-carrier Modulation Strategy for Modular Multilevel Converter

被引：0
|
作者：
Zhou, Fayun [1 ]
Luo, An [1 ]
Xiong, Qiaopo [1 ]
Xu, Qianming [1 ]
Xie, Ning [1 ]
机构：
[1] Hunan Univ, Coll Elect & Informat Engn, Changsha, Hunan, Peoples R China
来源：
2014 INTERNATIONAL ELECTRONICS AND APPLICATION CONFERENCE AND EXPOSITION (PEAC) | 2014年
关键词：
Modular Multilevel Converter (MMC); Single-carrier Modulation Strategy; switching allocation strategy; HVDC SYSTEM; FREQUENCY;
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：
This paper proposed an improved carrier phase disposition modulation strategy for modular multilevel converter(MMC), namely a single-carrier modulation strategy. It uses a single triangular carrier to achieve multilevel modulation. It has advantages of both good harmonic characteristics for carrier phase disposition modulation and switch balanced distribution of carrier phase shifted modulation. In order to solve the problem of submodule capacitor voltage imbalance of the MMC, this paper presents a switching allocation strategy according to submodule capacitor voltage sorting. The proposed modulation strategy and switch balanced distribution strategy was verified by the PSIM simulation.
引用
收藏
页码：1462 / 1466
页数：5
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