煤矿井下高压隔爆开关失电延时改造  

Retrofit of Loss Delay of High Voltage Explosion-proof Switch in Coal Mine

作　　者：郭家红 Guo Jiahong(Jincheng Coal Group Chengzhuang Mine,Jincheng Shanxi 048021)

机构地区：[1]晋城煤业集团成庄矿,山西晋城048021

出　　处：《机械管理开发》2020年第6期157-157,186,共2页Mechanical Management and Development

摘　　要：针对成庄矿高压隔爆开关因系统电压波动或者瞬间失电失压跳闸可能导致高瓦斯巷道发生瓦斯积聚引发事故这一问题,通过在风机高压隔爆开关控制回路增加失电延时继电器,使得高开在失电状态下延时分闸,躲过系统电压波动,防止高开误动作,大大提高了井下供电系统的可靠性与连续性。In view of the problem that high voltage flameproof switch may cause gas accumulation in high gas roadway due to system voltage fluctuation or instantaneous loss of voltage tripping,the delay-delay relay is added to the control circuit of high voltage flameproof switch of fan.

关 键 词：隔爆开关 失压延时 改造 

分 类 号：TD634[矿业工程—矿山机电]