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《Electric Engineering》 2018-15
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Simulation Analysis of Interphase Fault Location Algorithm Based on the Impedance Method of Distribution Network

YANG Jun;XIAO Kaiwei;BAO Xiaofeng;SHAO Wu;TIAN Qingsheng;MU Xinxin;XU Zhisong;Yuxi Power Supply Bureau,Yunnan Power Grid Co.,Ltd.;Postgraduate Workstation of Yunnan Power Grid Company;Yunnan Electric Test&Research Institute Group Co.,Ltd.;  
The basic principle of impedance method was analyzed.The correction coefficient and interphase fault localization algorithm was proposed.Based on branch load and fault point location,apractical fault distance correction coefficient was derived.As a result,the calculation results of the basic algorithm were corrected.The pseudo fault points was eliminated by end power indicator.The feasibility of the algorithm was verified by dynamic model experiments and 10 kV dynamic simulation.
【Fund】: 南方电网公司项目(编号YNKJ0000025)
【CateGory Index】: TM75
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