Coordinated Optimization of Capacitor Voltage Ripple and Current Stress Minimization for Modular Multilevel Converter

被引：0
|
作者：
Li, Ang [1 ]
Lin, Lei [1 ]
Xu, Chen [1 ]
Yang, Shirong [2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Hubei, Peoples R China
[2] China Ship Dev & Design Ctr, Wuhan, Hubei, Peoples R China
来源：
2018 IEEE INTERNATIONAL POWER ELECTRONICS AND APPLICATION CONFERENCE AND EXPOSITION (PEAC) | 2018年
基金：
中国国家自然科学基金;
关键词：
Modular multilevel converters; zero sequence voltage injection; circulating current injection; optimization;
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：
For an optimal performance of a modular multilevel converter (MMC), a tradeoff between multiple objectives can be complex. The injection of zero sequence voltage and circulating current can enlarge modulation index and to diminish the submodule capacitor voltage fluctuation. In this paper, a multi-objective genetic optimization algorithm is proposed to improve the performance of MMC in minimizing both the capacitor voltage ripple and current stress. The amplitude and phases of the circulating current and zero sequence voltage are designed in optimal coordination. Simulation in MATLAB/Simulink is implemented to validate the effectiveness and feasibility of the proposed method.
引用
收藏
页码：102 / 107
页数：6
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