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變壓器為什么會容易進水受潮

發布時間:2021-07-07 00:00:00 來源:浙江六方柜架有限公司

變壓器事故和工作倦怠是由變壓器的潤濕引起的,所以我們只需要找出造成濕氣的原因.分析如下.當連接蓋未密封好時,濕氣會沿導絲進入線圈的絕緣,導致故障發生.套管封端密封不良的主要原因是結構不合理,墊圈安裝不正確。

當把變壓器蓋上時,閥體暴露在空氣中.當空氣的相對濕度較大時,絕緣體就會吸收空氣中的水分.這個過程從表面絕緣開始.相對濕度越大,時間越長,滲透深度越深.根據規定,冷卻器在安裝前應進行檢漏,以檢測冷卻器的破裂缺陷.

否則,可能導致絕緣故障.主要分布器中的水分對絕緣介質的電性能、物理性能和化學性能都有危害.水的存在會破壞油的絕緣強度,對銅、鐵和其他金屬也有腐蝕作用,因此在變壓器水流入時應及時處理.


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