| 无通信互联线储能系统的直流母线协调控制策略 |
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| 引用本文： | 黎阳,王林,黄辉,张海龙,姚为正,凤勇.无通信互联线储能系统的直流母线协调控制策略[J].电力系统自动化,2018,42(1):118-124. |
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| 作者姓名： | 黎阳 王林 黄辉 张海龙 姚为正 凤勇 |
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| 作者单位： | 许继电气股份有限公司, 河南省许昌市 461000; 西安许继电力电子技术有限公司, 陕西省西安市 710075,西安许继电力电子技术有限公司, 陕西省西安市 710075,西安许继电力电子技术有限公司, 陕西省西安市 710075,西安许继电力电子技术有限公司, 陕西省西安市 710075,许继集团有限公司, 河南省许昌市 461000,西安许继电力电子技术有限公司, 陕西省西安市 710075 |
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| 基金项目： | 国家重点研发计划资助项目(2016YFB0900400) |
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| 摘 要： | 针对无通信互联线的储能系统如何在不增加系统成本和复杂度的前提下维持直流母线功率平衡及电压稳定,提出了一种直流母线协调控制策略,DC/AC变流器采用定直流电压或定交流电压控制,两台DC/DC变换器采用包含电池充放电控制的改进型二阶直流电压偏差控制。通过对系统典型工况的分析,说明了系统中各个装置是如何协调工作的。搭建了微网实验平台对所提出的控制策略进行了实验验证,实验结果证明了该控制策略的有效性和实用性。
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| 关 键 词： | 储能系统 直流母线控制 协调控制 直流电压偏差控制 |
| 收稿时间： | 2017/7/5 0:00:00 |
| 修稿时间： | 2017/11/20 0:00:00 |
Coordinated Control Strategy for DC Bus of Energy Storage System Without Communication Interconnection Line |
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| LI Yang,WANG Lin,HUANG Hui,ZHANG Hailong,YAO Weizheng and FENG Yong.Coordinated Control Strategy for DC Bus of Energy Storage System Without Communication Interconnection Line[J].Automation of Electric Power Systems,2018,42(1):118-124. |
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| Authors: | LI Yang WANG Lin HUANG Hui ZHANG Hailong YAO Weizheng and FENG Yong |
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| Affiliation: | XJ Electric Co. Ltd., Xuchang 461000, China; Xi''an XJ Power Electronics Technology Corporation, Xi''an 710075, China,Xi''an XJ Power Electronics Technology Corporation, Xi''an 710075, China,Xi''an XJ Power Electronics Technology Corporation, Xi''an 710075, China,Xi''an XJ Power Electronics Technology Corporation, Xi''an 710075, China,Xuji Group Corporation, Xuchang 461000, China and Xi''an XJ Power Electronics Technology Corporation, Xi''an 710075, China |
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| Abstract: | In the energy storage system without communication interconnection line, it is difficult to maintain power balance and voltage stability of DC bus without the increase of cost and complexity. To solve this problem, a coordinated control strategy for DC bus is proposed. The DC/AC converter is in constant DC voltage control mode or constant AC voltage control mode. An improved two-stage DC voltage deviation control method including battery charging/discharging control is used in two DC/DC converters. The typical operating modes are analyzed to show how these converters work together in the system. A microgrid experimental platform is set up to verify the proposed control strategy. The effectiveness and practicability of control strategy are verified by the experimental results. |
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| Keywords: | energy storage system control of DC bus voltage coordinated control DC voltage deviation control |
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