架空電纜發生故障的預防方法 你知道幾種?

2019-08-31  來自: http://www.gilrimmer.com/Products-274828.html 瀏覽次數:708

  正確選擇繼電保護的整定值和熔體的額定電流,采用速斷保護裝置,以便發生短路時能快速切斷短路電流,減少短路電流持續時間,減少短路所造成的損失。

  蘭州架空電纜發生故障的預防方法:

  1、作好短路電流的計算,正確選擇及校驗電氣設備,使電氣設備的額定電壓和線路的額定電壓相符。

  2、正確選擇繼電保護的整定值和熔體的額定電流,采用速斷保護裝置,以便發生短路時能快速切斷短路電流,減少短路電流持續時間,減少短路所造成的損失。

  3、在變電站安裝避雷針,在變壓器附近和線路上安裝避雷器,減少雷擊損害。

  4、采用電抗器增加系統阻抗,限制短路電流。

  5、把故障線路或設備從電力系統中除掉,使其余部分能繼續運行。

  6、禁止帶負荷拉刀閘、帶電合接地刀閘。線路施工完畢后應立即拆除接地線。要經常對線路、設備進行巡視檢查,及時發現缺陷,迅速進行檢修。

  7、保證架空電纜線路施工質量,加強線路維護,始終保持線路弧垂一致并附合規定。

  8、帶電安裝和檢修電氣設備時,要防止誤接線、誤操作,在距帶電部位距離較近的部位工作,要采取防止短路的措施。

  9、加強管理,防止小動物進入配電室,爬上電氣設備。及時清除導電粉塵,防止導電粉塵進入電氣設備。


蘭州電線電纜  蘭州電力電纜  蘭州架空電纜  甘肅電線電纜  甘肅電力電纜  甘肅架空電纜


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本站關鍵字: 蘭州電線 甘肅電纜 蘭州電力電纜 蘭州架空電纜 甘肅電線電纜批發 甘肅電力電纜 架空電纜生產廠家


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