| 基于多源多时空规则的变电站拓扑检错 |
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| 引用本文： | 王晶,葛敏辉,孙宏斌,李青芯,吴文传,郭庆来,张伯明. 基于多源多时空规则的变电站拓扑检错[J]. 电网技术, 2012, 36(5): 166-172 |
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| 作者姓名： | 王晶 葛敏辉 孙宏斌 李青芯 吴文传 郭庆来 张伯明 |
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| 作者单位： | 1.电力系统及发电设备控制和仿真国家重点实验室(清华大学电机系),北京市海淀区,100084;2.华东电网有限公司华东电力调控分中心,上海市黄浦区,200002 |
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| 基金项目： | 国家自然科学基金项目(50807025,50877043);国家杰出青年科学基金项目(51025725)~~ |
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| 摘 要： | 提出了基于多源多时空规则的变电站拓扑检错方法.利用了变电站多源量测的冗余性优势,提出了元件、间隔、电压等级等多空间尺度的关联性规则和多时间断面的关联性规则,并给出了具体的实现方法.该方法可提高拓扑错误的辨识能力,尤其是提高无模拟量测的刀闸的辨识能力,可为调度中心提供可靠的拓扑结构.仿真算例和现场应用情况均验证了该方法的有效性.
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| 关 键 词： | 拓扑 错误辨识 专家系统 变电站 状态估计 |
A Comprehensive Rule Based Method for Substation Topology Error Identification |
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| WANG Jing,GE Minhui,SUN Hongbin,LI Qingxin,WU Wenchuan,GUO Qinglai,ZHANG Boming. A Comprehensive Rule Based Method for Substation Topology Error Identification[J]. Power System Technology, 2012, 36(5): 166-172 |
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| Authors: | WANG Jing GE Minhui SUN Hongbin LI Qingxin WU Wenchuan GUO Qinglai ZHANG Boming |
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| Affiliation: | 1(1.State Key Lab of Control and Simulation of Power Systems and Generation Equipments(Dept.of Electrical Engineering,Tsinghua University),Haidian District,Beijing 100084,China;2.East China Electric Power Dispatch and Control Sub-Center,East China Grid Company Limited,Huangpu District,Shanghai 200002,China) |
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| Abstract: | A substation topology error identification method based on comprehensive rules,including rules in different spatial scales such as element level,bay level and voltage level as well as rules in time sequence,is presented.Utilizing the superiority in multi-source,redundancy and rapid measurement in the substation,the multi spatial scale relevant rules of element,bay and voltage level as well as multi time sequence rules are proposed,and concrete implementation approach for such a method is given.The proposed method can improve the ability to identify the topology error,especially ability to identify switches without analog measurement,thus more reliable topological structure can be provided to control centre to improve the reliability of state estimation for the whole power system.Results of simulation and practical application show that the proposed method is effective. |
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| Keywords: | topology error identification expert system substation state estimation |
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