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为了提高煤矿供电系统供电的可靠性,通过对小电流接地装置不能正确选线原因的分析,提出提高故障选线准确性的实施方案,实践应用表明该方案切实可靠。
In order to improve the reliability of power supply in coal mine power supply system, this paper puts forward an implementation plan to improve the accuracy of fault line selection through the analysis of the reasons that the small current grounding device can not correctly select the line. Practice shows that the scheme is reliable.