一、春季變電運(yun)行設備(bei)情(qing)況分析 (1)常出現的問題:春季是雨水(shui)以(yi)及大風多(duo)發季節,容易(yi)造成端(duan)子箱(xiang)和設備(bei)箱(xiang)進水(shui),室外(wai)高(gao)壓設備(bei)發生污閃,另外(wai),春季大風天氣也較多(duo),容易(yi)出現站內導線擺動幅(fu)度(du)大從而…
鑒于老式(shi)高壓帶(dai)電顯(xian)(xian)示(shi)裝置存在的(de)諸多問(wen)題,客觀上需要(yao)一種全(quan)新的(de)具有可靠性高、長壽命、免維護、顯(xian)(xian)示(shi)清(qing)晰醒目、能彌補老式(shi)高壓帶(dai)電顯(xian)(xian)示(shi)裝置缺陷的(de)新型(xing)帶(dai)電顯(xian)(xian)示(shi)裝置。北京供(gong)電局(ju)研制成功了新型(xing)高壓…
發(fa)電(dian)(dian)廠(chang)的(de)自用(yong)(yong)電(dian)(dian)稱為(wei)(wei)廠(chang)用(yong)(yong)電(dian)(dian),發(fa)電(dian)(dian)機組(zu)(zu)正常運行和事故停機所需要的(de)所有輔(fu)(fu)機,都接在廠(chang)用(yong)(yong)電(dian)(dian)上(shang),所以要求(qiu)廠(chang)用(yong)(yong)電(dian)(dian)供電(dian)(dian)可(ke)靠。因此一(yi)般(ban)采用(yong)(yong)單母(mu)線分段接線,一(yi)臺機組(zu)(zu)設置兩段高壓(ya)廠(chang)用(yong)(yong)母(mu)線,互(hu)為(wei)(wei)備用(yong)(yong)的(de)輔(fu)(fu)機…
(1)高壓(ya)配電柜防(fang)止誤入(ru)帶電間隔(ge)這一功能使得(de)開(kai)(kai)(kai)關(guan)(guan)柜的柜門的開(kai)(kai)(kai)閉(bi)與接(jie)地開(kai)(kai)(kai)關(guan)(guan)有閉(bi)鎖關(guan)(guan)系,即只(zhi)有合上接(jie)地開(kai)(kai)(kai)關(guan)(guan)后才能打開(kai)(kai)(kai)開(kai)(kai)(kai)關(guan)(guan)柜門,此次事故暴露出舊型號高壓(ya)開(kai)(kai)(kai)關(guan)(guan)柜的"五防(fang)"機(ji)械閉(bi)鎖裝置存…
低壓配電柜檢驗過程(cheng)分兩部分:一(yi)是結構(gou)部分檢驗,即為箱體(ti)尺寸檢驗,如(ru)果是標準柜體(ti)抽檢就(jiu)可以了。二是電氣(qi)檢驗,電氣(qi)方(fang)面首先要根(gen)據技術圖紙核對元器件(jian)型號,校驗搭接點(dian)力矩,并做標識(這項工(gong)作…
1、低(di)(di)壓(ya)成套(tao)開關設備和控制設備俗稱(cheng)低(di)(di)壓(ya)開關柜,亦稱(cheng)低(di)(di)壓(ya)配電柜,它是指交、直(zhi)流電壓(ya)在1000V以下的成套(tao)電氣(qi)裝置。2、我國(guo)低(di)(di)壓(ya)配電柜市場隨著智(zhi)能(neng)(neng)電網、基礎設施的建設實施、制造業的投資以及新能(neng)(neng)…