According to the actual situation of power supply network and protection system under mine, a long distance faults online monitoring program is presented for overcoming the short protection distance.
本文结合矿用供电网的实际情况和保护系统的现状，针对现有技术保护距离较短的缺点，提出了一种针对矿用供电线路的远距离故障在线监测的方案。
A new method to diagnose the faults in power system is presented based on the power supply interrupted district (s).
提出了基于停电区域的电力系统故障诊断的一种新方法。
The rapid and accuracy power cable faults inspection can improve the reliability of power supply, reduce the reparation fee and the loss owing to insufficiency power supply.
电力电缆故障点的迅速、准确定位，能够提高供电可靠性，减少故障修复费用及停电损失。
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