| 组合级联式大容量储能系统两级SOC自均衡策略研究 |
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| 引用本文： | 艾洪克,吴俊勇,田明杰,郝亮亮,张巨瑞,张皎.组合级联式大容量储能系统两级SOC自均衡策略研究[J].电力系统保护与控制,2014,42(22):75-80. |
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| 作者姓名： | 艾洪克 吴俊勇 田明杰 郝亮亮 张巨瑞 张皎 |
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| 作者单位： | 北京交通大学，北京 100044;北京交通大学，北京 100044;北京交通大学，北京 100044;北京交通大学，北京 100044;北京京能清洁能源电力股份有限公司，北京 100028;北京科锐博润电力电子有限公司，北京 100083 |
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| 基金项目： | 北京市科技计划课题资助项目（D131104002013003） |
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| 摘 要： | 大容量链式电池储能系统是解决光伏发电等可再生能源发电大规模并网问题的有效手段之一。针对所提出的星形组合级联式大容量电池储能系统中存在的电池SOC不均衡问题,通过注入零序电压实现三相相间SOC均衡控制,并通过在各级联单元叠加以SOC为反馈量的调制波分量实现各相内不同级联单元之间的SOC均衡控制。在PSCAD/EMTDC仿真环境中搭建了系统模型,仿真结果表明所提出的两级SOC均衡控制策略能够有效地实现电池SOC自均衡,验证了该控制策略的正确性和可行性。
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| 关 键 词： | 组合级联式储能系统 两级SOC均衡 零序电压 SOC反馈 |
| 收稿时间： | 2014/6/18 0:00:00 |
| 修稿时间： | 8/5/2014 12:00:00 AM |
Research on two-stage SOC self-balancing control strategy in hybrid cascade energy storage system |
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| AI Hong-ke,WU Jun-yong,TIAN Ming-jie,HAO Liang-liang,ZHANG Ju-rui and ZHANG Jiao.Research on two-stage SOC self-balancing control strategy in hybrid cascade energy storage system[J].Power System Protection and Control,2014,42(22):75-80. |
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| Authors: | AI Hong-ke WU Jun-yong TIAN Ming-jie HAO Liang-liang ZHANG Ju-rui and ZHANG Jiao |
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| Affiliation: | Beijing Jiaotong University, Beijing 100044, China;Beijing Jiaotong University, Beijing 100044, China;Beijing Jiaotong University, Beijing 100044, China;Beijing Jiaotong University, Beijing 100044, China;Beijing Jingneng Clean Energy Co., Limited, Beijing 100028, China;Creat-Poreen Power Electronics Co., Ltd., Beijing 100083, China |
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| Abstract: | Large capacity battery energy storage system is one of the effective means to solve the photovoltaic and other renewable energy power station grid-connected issues. In view of the problems of SOC imbalance in the proposed star hybrid cascade energy storage system, the balancing control of SOC among clusters, namely the bridge arms of each phase in this system, is implemented by means of injecting zero-sequence voltage. And the SOC balance of units within the cluster is realized through adding corresponding modulation wave with SOC as feedback components. Its reasonableness and feasibility are verified by an example of hybrid cascade energy storage system established in PSCAD/EMTDC. |
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| Keywords: | hybrid cascade energy storage system two-stage SOC self-balancing zero-sequence voltage SOC feedback |
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