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隔離開關

隔離開關的使用范圍

發(fā)布日期:2022-10-25 點擊率:147

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 1、拉、合無故障的電壓互感器和避雷器; 
    2、拉、合無故障的母線和直接聯(lián)接在母線上設備的電容電流; 
    3、在系統(tǒng)無接地故障的情況下,拉合變壓器中性點接地刀閘; 
    4、倒母線操作時,拉合等電位刀閘,操作前應檢查母聯(lián)開關處于良好合閘狀態(tài),并取下其控制保險,以防突然跳閘。 
    5、拉、合10KV及以下系統(tǒng)不超過70A的環(huán)路電流。 
    6、拉、合勵磁電流不超過2A的空載變壓器和電容電流不超過5A的無負荷線路。

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