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《Power System Protection and Control》 2017-09
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Faulty line selection based on information in the whole process of intermittent earth fault in resonant grounding distribution networks

CAI Yingqian;WANG Gang;FAN Chenxi;LI Haifeng;ZHANG Junxiao;School of Electric Power, South China University of Technology;Guangdong Power Grid Development Research Institute Co., Ltd.;  
During the whole process of intermittent earth fault,the significance of each fault feature changes over time.This paper presents a faulty line selection method based on information in the whole process of intermittent earth fault.First the stages of earth fault are divided.Then the algorithms are designed accordingly utilizing the transient component of selected frequency band(SFB)and the steady component of zero sequence active power,in order to make full use of both transient and steady fault features in the whole process,and to maximize the effect of each algorithm.Considering the high-frequency output characteristic of Petersen coil based on thyristor controlled reactor(TCR),a new criterion of transient power magnitude of SFB is designed to avoid the negative effects of the high-frequency components.According to simulation results,the proposed method has a high accuracy and reliability in faulty line selection of different kinds of single-phase-to-ground faults in resonant grounding system with Petersen coil based on TCR,including intermittent earth faults.
【Fund】: 国家自然科学基金项目(51477057)~~
【CateGory Index】: TM862
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Yuan Xue;College of Electrical Engineering,Southwest Jiaotong University;;A Research on Phase-shift-control of the Full-bridge-isolated DC/DC Converter[J];电气自动化;2017-04
2 SUN Shuguang;PANG Yi;LIU Jianqiang;School of Control Science and Engineering, Hebei University of Technology;;EEMD harmonic detection method based on frequency shift of Hilbert[J];电力系统保护与控制;2017-15
3 ZHU Yiyang;DU Hongji;ZHAO Qingchun;Nanjing University of Technology and Engineering;Nari-relays Electric Co., Ltd.;;Research on phase selection for double-circuit lines on the same tower with asymmetrical parameters[J];电力系统保护与控制;2017-15
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7 NIU Geng;ZHOU Long;PEI Wei;QI Zhiping;Institute of Electrical Engineering, Chinese Academy of Sciences;University of Chinese Academy of Sciences;;On-line Fault Section Location and Classification Technique for Low Voltage Active Distribution Network[J];中国电机工程学报;2017-09
8 CAI Yingqian;WANG Gang;FAN Chenxi;LI Haifeng;ZHANG Junxiao;School of Electric Power, South China University of Technology;Guangdong Power Grid Development Research Institute Co., Ltd.;;Faulty line selection based on information in the whole process of intermittent earth fault in resonant grounding distribution networks[J];电力系统保护与控制;2017-09
9 GUO Moufa;YOU Jianzhang;LIN Xianhui;YANG Gengjie;MIAO Xiren;College of Electrical Engineering and Automation,Fuzhou University;Zhangzhou Power Supply Company of State Grid Fujian Electric Power Company;;Flexible Arc-suppression Optimization Method for Distribution Network Adaptable to Variation of Line Parameters and Load[J];电力系统自动化;2017-08
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【Secondary Citations】
Chinese Journal Full-text Database 10 Hits
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6 Chen Shilong;Xie Jiawei;Bi Guihong;Zhang Jie;Zhang Wenying;Gao Chao;Kunming University of Science and Technology;Electric Power Research Institude of China Southern Power Grid;;A Novel Two Terminal Fault Location Method Used ANN for UHVDC Transmission Line[J];电工技术学报;2015-04
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8 Shu Hongchun;Cao Pulin;Yang Jingji;Dong Jun;Tian Xincui;Kunming University of Science and Technology;Yunnan Minzu University;Harbin Institute of Technology;;A Method to Distinguish Between Fault and Lightning Disturbance on Transmission Lines Based on CVT Secondary Voltage and CT Secondary Current[J];电工技术学报;2015-03
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