基于模块化多电平变换器的储能系统综述

李善颖; 吴涛; 任彬; 徐永海; 袁敞

引用本文:	李善颖,吴涛,任彬,等.基于模块化多电平变换器的储能系统综述[J].电力系统保护与控制,2015,43(16):139-146.
	LI Shanying,WU Tao,REN Bin,et al.Review of energy storage system based on modular multilevel converter[J].Power System Protection and Control,2015,43(16):139-146

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基于模块化多电平变换器的储能系统综述
李善颖¹, 吴涛¹, 任彬², 徐永海², 袁敞²
1.华北电力科学研究院有限责任公司，北京 100045;2.新能源电力系统国家重点实验室(华北电力大学)，北京 102206

摘要:

储能系统是当前和未来新能源电力系统中的关键组成部分，储能系统的引入促进了电网结构的优化，实现了新能源的友好接入和协调控制。模块化多电平换流器(Modular multilevel converter，MMC)作为多电平换流器家族中的一员，在中高压大功率场合有着广泛的应用。对基于模块化多电平变换器的储能系统的研究情况进行归纳和总结。首先简要介绍了MMC的拓扑结构和技术特点，其次对各种储能技术的概况进行总结。然后着重讨论了储能单元接入MMC的方式和带有储能装置的MMC的调制策略、子模块电容电压均衡、主电路参数设计、控制方面等关键技术的研究进展情况。最后对基于模块化多电平变换器的储能系统研究的重点问题提出了建议。

关键词: 模块化多电平换流器储能系统接入方式脉冲调制电压控制控制策略

DOI：10.7667/j.issn.1674-3415.2015.16.021

分类号:

基金项目:国家863高技术基金项目(2011AA05A113)

Review of energy storage system based on modular multilevel converter

LI Shanying¹, WU Tao¹, REN Bin², XU Yonghai², YUAN Chang²

1.North China Electric Power Research Institute, Beijing 100045, China;2.State Key Laboratory for Alternate Electrical Power System with Renewable Energy Sources (North China Electric Power University), Beijing 102206, China

Abstract:

Energy storage (ES) system is a key component in new energy power system at present and in the future, application of energy storage system will promote the optimization of the grid structure and achieve friendly access and coordination control of new energy. The modular multilevel converter (MMC) is a member of multilevel converter family, and has been widely applied in the medium- or high-voltage high power applications. Progress of energy storage system based on MMC is concluded. Firstly, the operation principles and the technical characteristics of MMC are introduced briefly; secondly, the development of different energy storage technology is introduced. Then the energy storage integrating methods and the key technologies of MMC-ES such as modulation strategy, sub-model capacitor voltage balancing, main circuit parameter design and control strategy are summarized and analyzed. Finally, suggestions for key issues of MMC-ES are proposed.

Key words: modular multilevel converter (MMC) energy storage system integrating methods pulse modulation voltage control control strategy

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