高压隔爆开关欠压保护延时改造方案研究  

Reforming Study of High Pressure Explosion Suppression Switch at Under-voltage Protection Deferred Time

作　　者：张红兵 杜向阳 

机构地区：[1]潞安环能股份公司王庄煤矿,山西长治046031

出　　处：《煤》2008年第2期28-29,33,共3页Coal

摘　　要：通过对煤矿井下高压隔爆开关欠压保护动作的原因分析,指出了目前煤矿井下使用的高压隔爆开关欠压释放保护装置对井下供电可靠性的影响,提出了对井下高压隔爆开关欠压释放保护装置具体的两种技术改造方案,对改善煤矿井下大面积停电事故,提高供电可靠性有重要意义。Through the analysis of high pressure explosion suppression swich at under-voltage protection deferred time , the author pointed the influence of high pressure explosion suppression swich at under-voltage protection deferred time to supply electricity.. Suggested two kinds of technical reforming scheme and it has great importance in improving the reliability supplying electricity.

关 键 词：隔爆开关 欠压保护 延时 可靠性 

分 类 号：TD684[矿业工程—矿山机电]