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以后地位:首頁手藝文章顧及型出(chu)現短路保證接(jie)地線的(de)操作和保證

照顧型短路接地線的操縱和保護

更新時候:2024-02-03點擊次數:2232

照顧型短路接地線的操縱和保護

     不導(dao)通等(deng)電(dian)位連(lian)接線(xian)分(fen)為分(fen)相式和(he)組合式兩種。合用電壓:500V、10kV、35kV、110kV、220kV、500kV等(deng)。合用于發(fa)電廠,供電、電訊、鐵(tie)路、地鐵(tie)等(deng)變電用戶(hu)及施工單元,同時可按請求定制特別(bie)規格接地線(xian)。
顧及型虛(xu)接守(shou)(shou)護電源線支配和守(shou)(shou)護:
    操(cao)(cao)縱(zong)(zong)照顧型短(duan)路(lu)(lu)接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)前,應先(xian)驗(yan)電(dian)(dian)確(que)認(ren)已停電(dian)(dian),在(zai)(zai)裝(zhuang)備(bei)上確(que)認(ren)無電(dian)(dian)壓落后(hou)行。先(xian)將接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)夾毗(pi)連在(zai)(zai)接(jie)(jie)(jie)地(di)(di)網或扁(bian)鐵(tie)件上,而后(hou)用(yong)接(jie)(jie)(jie)地(di)(di)操(cao)(cao)縱(zong)(zong)棒(bang)別離將導線(xian)(xian)(xian)端線(xian)(xian)(xian)類擰緊在(zai)(zai)裝(zhuang)備(bei)導線(xian)(xian)(xian)上。撤除短(duan)路(lu)(lu)接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)時,挨(ai)次恰(qia)好與上述相反。裝(zhuang)設的(de)短(duan)路(lu)(lu)接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian),它(ta)和(he)帶電(dian)(dian)裝(zhuang)備(bei)的(de)間隔(ge),斟酌(zhuo)到(dao)接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)擺的(de)影(ying)響(xiang),其寧(ning)靜(jing)間隔(ge)應不(bu)小(xiao)(xiao)于《電(dian)(dian)力(li)寧(ning)靜(jing)任務規程》新規定的(de)數值。嚴禁(jin)不(bu)必線(xian)(xian)(xian)夾而用(yong)環繞(rao)糾纏的(de)方(fang)式停止接(jie)(jie)(jie)地(di)(di)短(duan)路(lu)(lu)。吊掛(gua)點(dian)若有接(jie)(jie)(jie)地(di)(di)點(dian),操(cao)(cao)縱(zong)(zong)接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)夾或公用(yong)銅棒(bang)作接(jie)(jie)(jie)地(di)(di)毗(pi)連;如無牢固接(jie)(jie)(jie)地(di)(di)點(dian)可操(cao)(cao)縱(zong)(zong);則(ze)可用(yong)姑(gu)且接(jie)(jie)(jie)地(di)(di)點(dian),接(jie)(jie)(jie)地(di)(di)極埋入公開深度應不(bu)小(xiao)(xiao)于0.6m。

    打理型漏電跨接線應妥帖保管。總是操作前,均應用心查抄其都是無缺,軟銅芯無祼露,螺母不松動,也不不恰操作。打理型漏電跨接線檢驗時期為每三年期一下,檢驗類別同設備檢驗。經實驗性及格的打理型漏電跨接線在容忍漏電后,應確定容忍漏電電壓電流不足道和表明檢驗判別,傳統予以拆卸。


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