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《Computer Engineering & Software》 2017-08
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Research on Fault Location Algorithm of Distribution Line Based on Fault Indicator and Its Program Design

XIAO Kai-wei;XU Xiao-ping;WANG Yuan;LIANG Shi-bin;TIAN Qing-sheng;LI Chuan;School of Information Engineering and Automation of Kunming University of Science and Technology;Kunming University of Science and Technology's Postgraduate Workstation of Yunnan Power Grid Company;Yunnan Electric Test&Research Institute Group Co.,Ltd;  
In recent years, both at home and abroad are actively planning and construction of smart grid, and smart grid distribution line fault location has been a hot and difficult research. There are many methods of fault location, and the accuracy of fault location in distribution network has not been effectively solved, and a fault location algorithm and fault location program are designed. Based on the principle of fault indicator location and the actual line condition of Yunnan power grid, this algorithm establishes the topology model of distribution network, uses the concept of logical location mark and fault event set, and obtains the fault location by logical analysis and judges the fault type. The failure event is abstracted by a number of remote signals. At present, the fault location algorithm has been applied in the main station of the fault monitoring system of Yunnan power distribution line. Through the actual phenomenon, the algorithm and the program do not affect the normal work of the line, Can accurately locate the location of the fault, and can accurately determine the type of failure. The method has the advantages of simple principle, high positioning accuracy, low cost and easy to popularize.
【CateGory Index】: TM755
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