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防爆配電柜怎樣進行故障檢查?

2020-11-02 16:55 admin

  防爆配電柜適用在高危易燃易爆的保送電設備中,經久耐用、運行穩定,下面給大家分享防爆配電柜怎樣進行故障檢查?

  1、觀察防爆配電柜儀表看是高壓缺相還是分路跳閘,分清跳閘線路。

  2、保護器動作后經檢查未發現事故點,允許試送電一次,如果再次動作,應查明原因,不得連續送電,嚴禁私自退出保護器。

  3、缺一相時多數是因過流引起的,應做好記錄,測量各相負荷,及時進行調整。

  4、缺兩相時就要認真分析,首先判斷是過流引起的還是短路引起的,有時候會過負荷先燒一相,因持續運行又燒一相。

  5、短路也會發生缺相,當發生兩相缺相時,要認真分析查找。

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