分散式储能MMC综合控制策略研究

doi:10.11930/j.issn.1004-9649.20160193

中国电力 ›› 2017, Vol. 50 ›› Issue (10): 159-165.DOI: 10.11930/j.issn.1004-9649.20160193

分散式储能MMC综合控制策略研究

吉宇¹, 王生强¹, 曹炀², 谢飞¹, 徐晓轶¹

1. 国网南通供电公司,江苏南通 226006;
2. 东南大学电气工程学院,江苏南京 210096

收稿日期:2016-01-06 出版日期:2017-10-25 发布日期:2017-10-30
作者简介:吉宇（1987—）,男,江苏南通人,博士,工程师,从事电力电子技术在电力系统中应用、多电平控制技术研究。E-mail: jiyu3028@126.com
基金资助:
国网江苏省电力公司科技项目（J2017118）; 教育部博导类博士点基金（20130092110041）

Research on Comprehensive Control Strategy of Distributed Energy Storage MMC

JI Yu¹, WANG Shengqiang¹, CAO Yang², XIE fei¹, XU Xiaoyi¹

1. State Grid Nantong Power Supply Company, Nantong 226006, China;
2. College of Electrical Engineering, Southeast University, Nanjing 210096, China

Received:2016-01-06 Online:2017-10-25 Published:2017-10-30
Supported by:
This work is supported by Jiangsu Electric Power Company Technology Project (No. J2017118) and the Ph.D. Programs Foundation of Ministry of Education of China (No. 20130092110041).

摘要/Abstract

摘要： 分散式储能多电平变换器（MMC）是一种基于MMC的衍生结构,它将蓄电池储能单元集成于每个子模块中,这样可以实现储能单元的模块化、分散化。同时,分散式储能MMC还具有诸多优势,比如高电压、大容量、低总谐波失真、高容错能力。这些优势使得这种拓扑适用于大容量储能、电机驱动、新能源并网等。分析了分散式储能MMC的工作原理,在此基础上提出了剩余电量控制、能量管理机制、电池储能电路充放电控制,实现了变换器的综合协调控制。搭建了基于Matlab/Simulink的仿真平台和硬件实验平台,仿真和实验结果验证了上述控制策略的优越性和正确性。

关键词: 分散式储能, 多电平变换器, 剩余电量控制, 能量管理机制, 充放电控制, 综合协调控制

Abstract: Distributed energy Storage MMC is a derived structure of MMC where the energy storage unit is integrated in the submodule. Thus energy storage units are decentralized and modular. Meanwhile, Distributed energy Storage MMC has a lot of advantages including high voltage, large capacity, low THD and high fault tolerance. These advantages make it applicable in many fields, for instance, large-scale energy storage, motor drive, renewable energy generation. The working principle of converter is analyzed too. SOC control, energy management mechanism and battery energy storage circuit charging and discharging control are introduced, that realize comprehensive coordination control of system. Simulation results based on Matlab/Simulink and hardware experimental prove superiority and correctness of proposed control strategies.

Key words: distributed energy storage MMC, SOC control, energy management mechanism, charging and discharging control, comprehensive coordination control

中图分类号:

TM715

吉宇, 王生强, 曹炀, 谢飞, 徐晓轶. 分散式储能MMC综合控制策略研究[J]. 中国电力, 2017, 50(10): 159-165.

JI Yu, WANG Shengqiang, CAO Yang, XIE fei, XU Xiaoyi. Research on Comprehensive Control Strategy of Distributed Energy Storage MMC[J]. Electric Power, 2017, 50(10): 159-165.

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分散式储能MMC综合控制策略研究

Research on Comprehensive Control Strategy of Distributed Energy Storage MMC

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