| 多微网多并网点结构微网设计和模式切换控制策略 |
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| 引用本文： | 李鹏,张雪松,赵波,王子凌,孙景钌.多微网多并网点结构微网设计和模式切换控制策略[J].电力系统自动化,2015,39(9):172-178. |
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| 作者姓名： | 李鹏 张雪松 赵波 王子凌 孙景钌 |
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| 作者单位： | 1. 国网浙江省电力公司电力科学研究院,浙江省杭州市,310014
2. 国网温州供电公司,浙江省温州市,325000 |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目(2011AA05A107) |
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| 摘 要： | 以鹿西岛微网示范工程为背景,介绍了鹿西岛微网特点,风电、光伏发电和储能的规模及组成,并重点阐述了多微网、多并网点结构设计以及分层控制的监控系统,详细分析了24个运行方式切换策略及切换流程,并结合实际运行结果进行验证。实践证明灵活的微网结构和智能的切换控制方法可实现微网并/离网无缝切换,有效提高海岛供电可靠性,减少夏季高峰负荷拉闸限电。
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| 关 键 词： | 微网(微电网) 多微网 网络结构 模式切换 分层控制 |
| 收稿时间： | 2014/7/13 0:00:00 |
| 修稿时间： | 2015/4/13 0:00:00 |
Structural Design and Mode Switching Control Strategies of Multi-microgrid with Several PCCs |
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| LI Peng,ZHANG Xuesong,ZHAO Bo,WANG Ziling and SUN Jingliao.Structural Design and Mode Switching Control Strategies of Multi-microgrid with Several PCCs[J].Automation of Electric Power Systems,2015,39(9):172-178. |
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| Authors: | LI Peng ZHANG Xuesong ZHAO Bo WANG Ziling and SUN Jingliao |
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| Affiliation: | Electric Power Research Institute of State Grid Zhejiang Electric Power Company, Hangzhou 310014, China,Electric Power Research Institute of State Grid Zhejiang Electric Power Company, Hangzhou 310014, China,Electric Power Research Institute of State Grid Zhejiang Electric Power Company, Hangzhou 310014, China,Electric Power Research Institute of State Grid Zhejiang Electric Power Company, Hangzhou 310014, China and State Grid Wenzhou Power Supply Company, Wenzhou 325000, China |
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| Abstract: | Based on the background of Luxi Island microgrid demonstration project, the microgrid characteristics are presented together with the system scale and composition, which consists of wind turbines, photovoltaic (PV) and energy storage. The structure of multi-microgrid with multiple points of common coupling (PCCs) and the monitoring system based on hierarchical control are proposed with an emphasis on 24 operation modes and its switching strategies and process. The operational experiences of mode switching processes are given, and they demonstrate the performance of microgrid seamless switching between the grid-connected and stand-alone modes with the intelligent strategies and flexible structure. They are conducive to improve the reliability of power supply on the island and reduce the possibility of electricity shortage on summer peak load. This work is supported by National High Technology Research and Development Program of China (863 Program) (No. 2011AA05A107). |
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| Keywords: | microgrid multi-microgrid network structure mode switching hierarchical control |
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