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阐述了矿井6KV电网中性点采用消孤线圈并电阻接地方式后,对电孤接地过电压的抑制作用及参数选择方法,同时给出了与此系统配套的选择性漏电保护方案。
The neutral point of mine 6KV power grid is eliminated by neutral coil and resistance grounding method, and the method of parameter selection on the overvoltage of solitary grounding is given. A selective leakage protection scheme is also given.