电力监控系统防越级跳闸方案的研究
Industry and Mine Automation(2011)
Abstract
针对单一防越级跳闸方案和地面供电系统防越级跳闸方案均不能有效解决煤矿井下越级跳闸故障的问题,提出了一种采用电力监控系统解决煤矿井下越级跳闸故障的方案;以河南平宝煤业有限公司供电网络为例,详细介绍了该方案的实现原理及具体实施情况。实际应用表明,该方案实现了上下级开关的配合,有效防止了越级跳闸故障。
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Key words
association delay,override trip,time difference,power monitoring,mine power supply
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