A Segmented Network Method Based Faulted Line Selection Strategy for Single-Phase Earth Fault in Small Current Grounding Distribution Network

A Segmented Network Method Based Faulted Line Selection Strategy for Single-Phase Earth Fault in Small Current Grounding Distribution Network
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DOI：
10.1109/iccsec.2017.8446834
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发表时间：
2017-12
期刊：
2017 International Conference on Computer Systems, Electronics and Control (ICCSEC)
影响因子：
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通讯作者：
Hai Zhang;Jianfang Li;Yajie Li;Yanai Zhang;Tao Lin;Rusi Chen;Yibiao Sheng;Hua Leng;Zhidan Zha
Hai Zhang;Jianfang Li;Yajie Li;Yanai Zhang;Tao Lin;Rusi Chen;Yibiao Sheng;Hua Leng;Zhidan Zha
中科院分区：
其他
文献类型：
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作者：
Hai Zhang;Jianfang Li;Yajie Li;Yanai Zhang;Tao Lin;Rusi Chen;Yibiao Sheng;Hua Leng;Zhidan Zha

文献摘要

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目前，配电网单相接地故障选线的可靠性普遍较低。提出了一种基于分段网络法的故障选线策略。并通过对一个10kV不接地配电网的emtp仿真验证了该策略的有效性。仿真结果表明，该策略能够通过少量的投切操作实现配电网单相接地故障的可靠选线，有助于配电网单相接地故障的自动处理。
At present, the reliability of faulted line selection of single-phase earth fault in distribution network is generally low. This paper proposes a segmented network method based faulted line selection strategy. And the strategy is verified through an emtp simulation by modeling a 10kV ungrounded distribution network. The simulation results prove that the proposed strategy can realize reliable selection of faulted line with single-phase earth fault in distribution network through a small number of switching operations, and it is helpful to deal with single-phase earth fault in distribution network automatically.