Assessment of Modular Multilevel Converter with Partly Integrated Battery Energy Storage System

被引：0
|
作者：
Ze, Zuyao [1 ]
Lin, Hua [1 ]
Ma, Yajun [1 ]
Wang, Zhe [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Hubei, Peoples R China
来源：
2018 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2018年
基金：
中国国家自然科学基金;
关键词：
modular multilevel converter; battery energy storage; battery equipment ratio; restrictions analysis; simulation;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Modular multilevel converter can be applied to battery energy storage system by integrating battery with submodules. This paper focuses on the assessment of modular multilevel converter with partly integrated battery energy storage system based on carrier phase shift pulse width modulation, namely the battery equipment ratio or battery fault-tolerant ratio of system. Firstly, power balancing restrictions are analyzed to keep capacitor voltages balanced. Then, this paper analyzes the modulation restrictions in order to avoid over-modulation. Besides, the external characteristic must remain unchanged. By combining these restrictions, the relationships among related parameters, including battery equipment ratio, modulation ratio and power factor angle of AC bus, can be obtained. At last, the correctness of relationships is verified through MATLAB/Simulink simulation.
引用
收藏
页码：2956 / 2962
页数：7
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