This paper summed up the actual operation situation of the underground power supply system of Dragon Head Mine in recent ten years.
本文对龙首矿井下供电系统近十年来的实际运行情况进行了总结。
Through analysis and investigation, the author found out the operational rule of power supply system and based on the rule, a safe and reliable underground power supply system was set up.
通过分析、究，找出了其运行规律，在此基础上建立了安全可靠的井下供电系统。
The existing condition of low-voltage power supply system of mine underground was analyzed, in view of the existing problems of low-voltage power supply line, the improvement scheme was proposed.
分析了矿山井下低压供电系统的现状，针对低压供电线路存在的问题提出了改进方案。
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