矿井低压供电系统快速漏电保护的研究

Research into the Rapid Earth-leakage Protection Technology for Mine Low Voltage Power-supply Systems

本文通过对矿井低压供电系统电火花的形成时间分析，指出了煤矿井下低压供电系统实施快速漏电保护技术的必要性及其重大安全意义。讨论分析了漏电故障的过渡过程，初步提出了暂态漏电保护的新学术观点。

The paper, by making an analysis of the spark-forming time of the underground mine low voltagepower supply system, advocates the necessity and important significance of putting into effect the rapidearth leakage protection technology, makes a discussionand analysis of the temporary transition process of earthleakage fault and puts forward a new technical point ofview about the temporary state earth leakage protection.