箱式變電站常見電氣故障處理措施
箱(xiang)(xiang)式變(bian)電(dian)(dian)站(zhan)作為電(dian)(dian)力電(dian)(dian)網的主要樞紐,在(zai)我(wo)們日常用電(dian)(dian)有著功不可沒的功勞,箱(xiang)(xiang)式變(bian)電(dian)(dian)站(zhan)在(zai)運行中常見電(dian)(dian)氣故障及處理措施都有哪些呢(ni),下(xia)面(mian)就有創(chuang)聯匯通的小編給大家簡單的說一下(xia),

箱式(shi)變電(dian)(dian)站(zhan)常(chang)見(jian)電(dian)(dian)氣故障和處理措施
1. 箱(xiang)變(bian)(bian)過(guo)熱處理措施。箱(xiang)式變(bian)(bian)電(dian)站電(dian)氣設備過(guo)熱,持續時(shi)間長容(rong)易(yi)導致(zhi)絕緣老(lao)化,繼而(er)使(shi)接頭松動。箱(xiang)式變(bian)(bian)電(dian)站內部(bu)(bu)短(duan)路也(ye)(ye)會使(shi)溫度(du)升高,甚至引發(fa)火災。變(bian)(bian)壓器繞組在運行中也(ye)(ye)容(rong)易(yi)發(fa)熱,持續發(fa)熱容(rong)易(yi)損壞變(bian)(bian)壓器。針(zhen)對箱(xiang)式變(bian)(bian)電(dian)站過(guo)熱問題,要(yao)及時(shi)清理箱(xiang)變(bian)(bian)內部(bu)(bu)殘留(liu)物質,如塵埃等。其次是加強(qiang)對箱(xiang)變(bian)(bian)內各個設備的溫度(du)監控,及時(shi)發(fa)出高溫預警信號。
2. 箱變(bian)有(you)載開(kai)(kai)(kai)關(guan)故障(zhang)。箱式變(bian)電(dian)站中(zhong)有(you)載開(kai)(kai)(kai)關(guan)除了自身故障(zhang)問(wen)題(ti),很少發生(sheng)故障(zhang)。有(you)載開(kai)(kai)(kai)關(guan)故障(zhang)主(zhu)要是因為以下原因:其(qi)一開(kai)(kai)(kai)關(guan)使(shi)(shi)用(yong)(yong)時間過(guo)長(chang),開(kai)(kai)(kai)關(guan)條(tiao)框變(bian)形,導致(zhi)開(kai)(kai)(kai)關(guan)出現(xian)松(song)動、脫落現(xian)象(xiang);其(qi)二零部(bu)件(jian)強度不(bu)過(guo)關(guan),導致(zhi)分接(jie)開(kai)(kai)(kai)關(guan)進行切換操(cao)作時損壞;其(qi)三是開(kai)(kai)(kai)關(guan)質(zhi)量(liang)不(bu)達(da)標,使(shi)(shi)用(yong)(yong)一段時間后出現(xian)主(zhu)軸斷裂等(deng)情況(kuang)。為保證箱變(bian)穩定運行,生(sheng)產過(guo)程(cheng)需要嚴(yan)格挑選(xuan)有(you)載開(kai)(kai)(kai)關(guan),保證開(kai)(kai)(kai)關(guan)質(zhi)量(liang)及安裝工藝。
3. 箱(xiang)變低壓開關(guan)跳(tiao)閘(zha)(zha)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)。箱(xiang)變低壓開關(guan)跳(tiao)閘(zha)(zha)主要(yao)有兩個因素,其一(yi)是母線(xian)故(gu)(gu)(gu)障(zhang)(zhang)(zhang);其二是開關(guan)誤(wu)動等(deng)。出(chu)現低壓開關(guan)跳(tiao)閘(zha)(zha)故(gu)(gu)(gu)障(zhang)(zhang)(zhang),需(xu)要(yao)對(dui)箱(xiang)變進(jin)行仔細檢查,一(yi)旦主變低壓側(ce)出(chu)現過(guo)流保(bao)(bao)護時,需(xu)要(yao)立即對(dui)相(xiang)關(guan)設(she)(she)備進(jin)行合理檢查和保(bao)(bao)護。與此同時排除開關(guan)誤(wu)動故(gu)(gu)(gu)障(zhang)(zhang)(zhang),著重考(kao)慮是母線(xian)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)還是線(xian)路故(gu)(gu)(gu)障(zhang)(zhang)(zhang)。進(jin)一(yi)步(bu)檢查相(xiang)關(guan)設(she)(she)備,查看(kan)使用設(she)(she)備的保(bao)(bao)護壓板是否出(chu)現漏投(tou)的情(qing)況(kuang),必(bi)要(yao)時采取專業設(she)(she)備檢查。






