Location and selfhealing of singlephase grounding fault based on distribution automation
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TM734

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    Abstract:

    Aiming at the nondirectly grounded distribution network of neutral point, this paper proposes to connect the small current fault line selection device to the distribution automation system. When a singlephase ground fault occurs, through the onoff control of the intelligent switch on the line and sequential logic of singlephase grounding alarm signal to determine the fault interval.Then the method isolates the fault area through the distribution automation system, restores the power supply in the nonfault area, and realizes the singlephase ground fault selfhealing of the distribution grid. In the end, this paper verifies the effectiveness and necessity of this strategy by experiments.

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杨 福,臧 璇,瞿寒冰,林 山,顾世龙,陈 浩.基于配电自动化的配网单相接地故障定位与自愈[J].电力科学与技术学报英文版,2020,35(4):176-181. YANG Fu, ZANG Xuan, QU Hanbing, LIN Shan, GU Shilong, CHEN Hao. Location and selfhealing of singlephase grounding fault based on distribution automation[J]. Journal of Electric Power Science and Technology,2020,35(4):176-181.

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  • Received:
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  • Online: September 04,2020
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