微电网中全钒液流电池并网控制系统的研究

doi:10.11930/j.issn.1004-9649.2014.1.118.4

中国电力 ›› 2014, Vol. 47 ›› Issue (1): 118-122.DOI: 10.11930/j.issn.1004-9649.2014.1.118.4

微电网中全钒液流电池并网控制系统的研究

雷加智^{1, 2}, 王珂¹, 李勋¹, 雷家强³

1. 华中科技大学电气与电子工程学院,湖北武汉 430074；
2. 大力电工襄阳股份有限公司武汉研发中心,湖北武汉 430074；
3. 山推工程机械股份有限公司,山东济宁 272000

收稿日期:2013-09-08 出版日期:2014-01-31 发布日期:2015-12-18
作者简介:雷加智（1988-）,男,湖北大冶人,硕士研究生,从事微电网中储能技术方面的研究。E-mail: leijiazhi@126.com

Study on Grid-Connecting Control System of Vanadium Redox Flow Battery in Microgrids

LEI Jia-zhi^{1, 2}, WANG Ke¹, LI Xun¹, LEI Jia-qiang³

1. College of Electrical and Electronic Engineering of Huazhong University of Science and Technology, Wuhan 430074, China;
2. Research Department of BiG PAWER, Wuhan 430074, China;
3. Shantui Construction Machinery Co., Ltd., Jining 272000, China

Received:2013-09-08 Online:2014-01-31 Published:2015-12-18

摘要/Abstract

摘要： 全钒液流电池（VRB）这种大型的电力存储装置,在含有众多分布式电源的微电网中应用时,其并网控制系统必须控制VRB的恒流或者恒功率放电,否则会大大影响蓄电池的寿命。在推挽Boost电路及单相并网逆变器基础上,并计及VRB端电压较低的情况,设计了一种微电网中VRB的并网控制系统,实现了蓄电池的恒流放电和并网运行。采用Matlab软件及VRB模型仿真了2 kW VRB并网控制系统的运行特性,并设计了相应的VRB并网控制系统的实验,仿真和实验结果验证了该控制系统设计的正确性。

关键词: 全钒液流电池（VRB）, 并网控制系统, 恒流放电

Abstract: Vanadium redox flow battery(VRB) is a large stationary electricity storage system with many potential applications in a deregulated and decentralized network. A VRB should be discharged under constant current or constant power by its grid-connecting control system. Otherwise, the battery life will be greatly reduced. Based on push-pull boost converter and single-phase inverter, a grid-connecting control system for a VRB in a microgrid is designed, in which the case of low voltage of storage battery is considered, and the constant discharging current of the battery and parallel operating of VRB and grid is achieved. In addition, a grid-connecting control system for a 2 kW VRB is simulated by using MATLAB platform and a model of a VRB, and a special experiment for control system is designed as well. Both the simulation and testing results have verified the robustness of the designed control system.

Key words: vanadium redox flow battery, grid-connecting control system, discharge under constant current

中图分类号:

TM912

雷加智, 王珂, 李勋, 雷家强. 微电网中全钒液流电池并网控制系统的研究[J]. 中国电力, 2014, 47(1): 118-122.

LEI Jia-zhi, WANG Ke, LI Xun, LEI Jia-qiang. Study on Grid-Connecting Control System of Vanadium Redox Flow Battery in Microgrids[J]. Electric Power, 2014, 47(1): 118-122.

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微电网中全钒液流电池并网控制系统的研究

Study on Grid-Connecting Control System of Vanadium Redox Flow Battery in Microgrids

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Study on Grid-Connecting Control System of Vanadium Redox Flow Battery in Microgrids

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