PB4高压真空馈电开关综合保护的改进

The improvement on integration of instruments for PB4 series high-voltage explosion prevention switch

介绍PB4系列矿用隔爆高压真空配电开关综合保护改进过程,阐述了工作原理及改造过程。结果表明高压设备的无计划掉电次数明显减少,供电设备的安全得到很大提高。

The article introduced that wehad improved on integration of instruments for PB4 series high - voltage explosion prevention switch. It expounded elements and how to do it,the result make known,high-voltage equipment falling electric quantity reduces,supply electric equipment safety raise.