Feeder Selection Method of Single-Phase High Impedance Grounding Fault in SRGS

Jiao Sun,La Zhang, Meng Chen, Zhongyuan Zhao, Liangfen Zhang, Wei Yang

2021 6th International Conference on Smart Grid and Electrical Automation (ICSGEA)（2021）

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摘要

When a single-phase high impedance grounding fault (HIGF) occurs in power grid with small resistance grounding system (SRGS), the overcurrent protection does not work, which may expand the fault range and evolve into a more serious fault. In this paper, a HIGF feeder selection method is proposed to solve this problem. Firstly, the zero-sequence equivalent model of single-phase grounding fault in S...

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关键词

Resistance,Correlation coefficient,Correlation,Grounding,Simulation,Nonlinear distortion,Reliability theory

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