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500万彩票

真空灭弧室的真空度检验方法有哪些

发布日期: 2016-03-25

真空灭弧室的真空度检验方法有哪些

  真空灭弧室真空度的检测方法如下:

  (1)火花计法

  ZHEIZHONGFANGFASHICAIYONGHUOHUATANLOUYIJIANCE,JIANCESHIJIANGHUOHUATANLOUYIYANMIEHUSHIBIAOMIANYIDONG,ZAIQIGAOPINDIANCHANGZUOYONGXIANEIBUYOUBUTONGDEFAGUANGQINGKUANG。GENJUFAGUANGDEYANSELAIJIANDINGZHENKONGMIEHUSHIDEZHENKONGDU。RUOGUANNEIYOUDANQINGSEHUIGUANG,SHUOMINGQIZHENKONGDUZAI133×10-3PaYISHANG;RUOGUANNEICHENGLANHONGSE,SHUOMINGGUANZIYIJINGSHIXIAO;RUOGUANNEIYICHUYUDAQIZHUANGTAI,ZEBUHUIFAGUANG。

500万彩票  ZHEIZHONGFANGFAJIANDAN,SHIYONGYUBOLIGUANZHENKONGMIEHUSHI。

  (2)观察法

  YOUYUZHENKONGMIEHUSHINEIBUZHENKONGDUJIANGDISHICHANGCHANGBANSUIZHEDIANHUYANSEGAIBIANJINEIBULINGJIANYANGHUA,SUOYIDUIBOLIWAIQIAODEZHENKONGMIEHUSHIKEYIDINGQIGUANCHA。ZHENGCHANGSHINEIBUDEPINGBIZHAODENGBUJIANBIAOMIANYANSEYINGHENMINGLIANG,ZAIKAIDUANDIANLIUSHIFACHUDESHILANSEHUGUANG;DANGZHENKONGDUYANZHONGJIANGDISHI,NEIBUYANSEJIUHUIBIANDEHUIAN,ZAIKAIDUANDIANLIUSHIJIANGFACHUANHONGSEHUGUANG。GAIFASHIYONGYUBOLIGUANZHENKONGMIEHUSHIZUODINGXINGJIANCHA。

  (3)交流耐压法500万彩票。这是运行中常用的检测方法。《规程》规定,要定期对断路器主回路对地、相间及断口进行交流耐压。试验电压值如表1所示。其方法是触头开距为额定开距,在触头间施加额定试验电压,如果真空灭弧室内发出连续击穿或持续放电,表明真空度已严重降低。否则表明真空度符合要求。

  SHIJIANBIAOMING,CAIYONGJIAOLIUNAIYAFAJIANCEYANZHONGLIEZHIDEZHENKONGMIEHUSHIDEZHENKONGDUSHIYIZHONGJIANBIANYOUXIAODEFANGFA。