天天艹天天-天天操综合视频-天天操一操-天天操网站-国产码一区二区三区-国产码欧美日韩高清综合一区

 
 
均壓環(huán)設計、安裝不規(guī)范的危害!
發(fā)布時間:2013/10/22  瀏覽:3008 - 返回

絕緣子串電壓分布嚴重不均勻及均壓環(huán)設計、安裝不規(guī)范的危害?

通過對500 kV棒形復合絕緣子高壓端芯棒脆斷事故發(fā)生原因的分析,指出其主要原因為絕緣子串電壓分布嚴重不均勻及均壓環(huán)設計、安裝不規(guī)范而引起導線端電場畸變,加速了硅橡膠護套的電蝕穿孔所致。提出了將原下垂式線夾更換為上扛式防電暈線夾,作導線掛點“八”字型改造,在復合絕緣子導線側加掛玻璃絕緣子;采用非標準長度的復合絕緣子與玻璃絕緣子組合成串等對策,以改善復合絕緣子的電場分布,降低導線端所承受的電壓,消除畸變電場,預防芯棒脆斷。實踐表明,改進效果良好。

網站地圖 © 揚州洪順電器有限公司 版權所有 如需了解更多信息,請致電0514-86601870
本公司專業(yè)生產:屏蔽環(huán)屏蔽件屏蔽筒屏蔽罩;避雷器用均壓罩均壓環(huán);合成絕緣子相配套的均壓環(huán)、GIS導體 蘇ICP備11034215號
蘇公網安備 32108802010403號
主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |