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《Automation of Electric Power Systems》 2001-05
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A WEIGHTED INNOVATION GRAPH APPROACH FOR IDENTIFYING TOPOLOGY ERRORSON BRANCHESWITH SMALL LOAD FLOW

Zhou Suquan,L i Chang,L iu Zhuo Harbin Institute of Technology,Harbin15 0 0 0 1,China  
The innovation graph approach,as a new way for identification of abnorm al network configuration in state estimation,can fast identify bad data and topology errors with lower m easurem ent redundancy.This paper describes that a weighting factor is added to the extended innovation vector for elim inating the influence of large power flow branch to small ones,thus the topology error on sm all load flow branches can be identified efficiently.The way of calculating weighting factor is also presented in this paper. The IEEE- 118bus system exam ple shows that this approach is capable of identifying topology error on branches with small load flow.
【Fund】: 清华大学电力系统国家重点实验室开放基金资助项目
【CateGory Index】: TM744
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2 Zhou Suquan, Liu Zhuo (Harbin institute of Technology, Harbin 150001, China);THE INTELLIGENT CHARACTERISTICS OF THE INNOVATION GRAPH[J];AUTOMATION OF ELECTRIC POWER SYSTEMS;2000-13
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【Secondary Citations】
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