Volume 42 Issue 11
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ZONG Weilin, XU Wenqiang, YUAN Yalei, DAI Jingwei, PI Jie, SONG Tianbao. A new type of single-phase grounding fault line selection and location method for mine distribution network[J]. Journal of Mine Automation, 2016, 42(11): 45-50. DOI: 10.13272/j.issn.1671-251x.2016.11.011
Citation: ZONG Weilin, XU Wenqiang, YUAN Yalei, DAI Jingwei, PI Jie, SONG Tianbao. A new type of single-phase grounding fault line selection and location method for mine distribution network[J]. Journal of Mine Automation, 2016, 42(11): 45-50. DOI: 10.13272/j.issn.1671-251x.2016.11.011
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A new type of single-phase grounding fault line selection and location method for mine distribution network

  • School of Information and Electrical Engineering， China University of Mining and Technology, Xuzhou 221116, China

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    Abstract
  • Characteristics of mine distribution network and difficulties of singlephase grounding fault line selection and location were analyzed. A new type of singlephase grounding fault line selection and location method for mine distribution network was proposed which was based on intermediate frequency signal injecting type. Through monitoring device of mine distribution network to detect fault occurrence time, intermediate frequency signal injecting device starts to inject intermediate frequency signal at the same time. Fault line selection and fault location are realized by analyzing power frequency fault signal and the intermediate frequency fault signal when distribution network parameters are known. Through Matlab/Simulink modeling, simulation analysis and corresponding data analysis and calculation, feasibility and correctness of the method are verified.
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    SONG Tianbao

    • School of Information and Electrical Engineering， China University of Mining and Technology, Xuzhou 221116, China

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