描述

確定跳閘位置

首先要清楚是哪個斷路器跳閘了，是支路斷路器還是總開關(guān)？

如果是總開關(guān)跳閘，很有可能是由于電燈回路在啟動時發(fā)生漏電，引起斷路器誤動作。這也是不建議大家在總開關(guān)選用漏電保護(hù)器的主要原因。

如果是支路開關(guān)跳閘，則證明該支路存在漏電。首先要做的是參照裝修圖紙，標(biāo)注出該支路下的所有插座。

二、確定故障線

此時，基本可以確定出漏電故障發(fā)生的大致位置。但是，插座回路中有三條線——零線、火線、地線。如何判斷是哪條線發(fā)生了漏電呢？

這要從跳閘的時間入手——首先應(yīng)該肯定，引起跳閘的絕對不會是地線。因為如果地線發(fā)生破損漏電，不會觸發(fā)漏電保護(hù)功能。

此時應(yīng)該將所有插座上的插頭都拔掉，合閘再試。如果此時合閘馬上就跳閘，便可以斷定是由于火線發(fā)生破損漏電了。如果合閘后并不馬上跳閘，但是一插上插頭就跳閘，則證明電路中是由于零線破損發(fā)生的漏電。

如果兩種實驗都沒有跳閘，則有可能是某個用電器內(nèi)部漏電。此時應(yīng)將用電器逐個接入電路，觀察漏電保護(hù)器狀態(tài)。

三、確定故障點(diǎn)

知道了是哪根線的故障后，下一步要做的就是判斷故障點(diǎn)。

在判斷故障點(diǎn)時，應(yīng)將插座由遠(yuǎn)及近（與配電箱距離）逐個拆下，用一條新線替代疑似故障線，并重復(fù)上文實驗。

歐美品牌停產(chǎn)的，常用的“PLC”備品備件

我司產(chǎn)品應(yīng)用于以下領(lǐng)域：

1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》

2,《智能平鋼化爐系統(tǒng)制造》

3,《PLC可編程輸送控制系統(tǒng)》

4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》

6,《化工廠藥液恒流量計算機(jī)控制系統(tǒng)》

7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動化控制系列

本特利，英維思，伍德沃德，福克斯波羅、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂，ACSO，力士樂等各大品牌的DCS系統(tǒng)配件，機(jī)器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

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