真空斷路器的真空滅弧室真空度檢查

　　真空斷路器現場一般采用工頻耐壓法
，就是將真空斷路器兩觸頭拉至額定開距，逐漸增大觸頭間的工頻電壓達至規定值時，耐受電壓1minhou

，jikerenweizhenkongduhege，fouzejiweibuhege。zheliyixianchanggongzuojingyanshuomingyidian
，yonggongpinnaiyafapandingyizhizhenkongmiehushidezhenkongdushifouhegeshi，yaokanceshiyibiaodezhizhenshifouyoutubian，yaokanshiyanshebeiguoliujidianqishifoudongzuotiaozha。ruguodanpingzhenkongmiehushineidefaguangxianxianglaipandingtashifouhege

，jishishihenyoujingyandeshiyanrenyuanyenanmianchuxianwupan。