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電容器怎樣去日常巡檢及維護?
來源: | 作者:佚名 | 發布時間: 2020-10-19 | 2498 次瀏覽 | 分享到:

      隨著電子信息技術的日新月異,數碼電子產品的更新換代速度越來越快,以平板電視(LCD和PDP)、筆記本電腦、數碼相機等產品為主的消費類電子產品產銷量持續增長,帶動了電容器產業增長。所以電容器日常的使用有必要去巡檢及維護,那應該怎樣維護呢?

1,檢查放電指示燈泡是否燒壞。
2,檢查電容器的溫度是否正常,電容器室的通風裝置是否良好。
3,放逐式熔斷器是否完好
4,檢查電容器組上的電流表是否正常,是否超過額定值。
5,檢查電容器組在運行中有無異常聲響。
6,瓷質部分是否清潔、無放電痕跡。
7,放逐式熔斷器是否完好

電容器

當電容器發生以下故障應退出運行:

(1)接頭過熱或熔化;
(2)內部有放電聲及放點設備有異響
(3)套管閃絡或放電;
(4)外殼膨脹或變形;

  電容器出現最多的就是外殼膨脹或變形,漏油滲油,這些都是可以用肉眼來判斷得出的,對于電流只能通過測量儀器來判定,測量電容三相電流中每相的電流是否超過額定值,每相的電流是否差不多一樣大,如果相差太多就要換了,比如A為20A,B為21A,C為47A,這就是不正常的,就算不換也斷開電源。

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