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中(zhong)電(dian)氣設備選(xuan)擇(ze)不(bu)當(dang)造成的(de)(de)常見(jian)錯誤:生產過(guo)程中(zhong)交(jiao)流(liu)(liu)(liu)接(jie)觸器(qi)的(de)(de)體積選(xuan)擇(ze)不(bu)當(dang),不(bu)同(tong)(tong)組的(de)(de)插座(zuo)控制電(dian)路(lu)安裝了相同(tong)(tong)體積的(de)(de)交(jiao)流(liu)(liu)(liu)接(jie)觸器(qi),三相負載的(de)(de)差異不(bu)完全考慮過(guo)的(de)(de)。在平(ping)衡狀態(tai)下(xia)(xia),不(bu)能在所有(you)正常模型中(zhong)選(xuan)擇(ze)某些組的(de)(de)輸出(chu)交(jiao)流(liu)(liu)(liu)接(jie)觸器(qi)的(de)(de)電(dian)流(liu)(liu)(liu)水平(ping)。基本上,電(dian)流(liu)(liu)(liu)水平(ping)是(shi)通過(guo)一個(ge)步驟選(xuan)擇(ze)的(de)(de),該步驟會(hui)導致交(jiao)流(liu)(liu)(liu)接(jie)觸器(qi)在高溫天氣下(xia)(xia)運行(xing)期間燒斷。
根(gen)據(ju)電(dian)(dian)氣設(she)備(bei)的(de)(de)接(jie)線規定,接(jie)線盒可(ke)安裝在封閉或(huo)(huo)半封閉的(de)(de)金屬(shu)外殼中或(huo)(huo)屏(ping)幕上,以(yi)形成配(pei)電(dian)(dian)室設(she)備(bei)。如果一切(qie)正(zheng)常,可(ke)以(yi)使用(yong)手(shou)或(huo)(huo)控制開關連接(jie)或(huo)(huo)斷開電(dian)(dian)源電(dian)(dian)路。常見的(de)(de)錯誤或(huo)(huo)異常取決于家用(yong)電(dian)(dian)器的(de)(de)維(wei)護,以(yi)斷開電(dian)(dian)路或(huo)(huo)警報。識別儀(yi)可(ke)以(yi)在信息(xi)模式(shi)下顯(xian)示各種主要參數,還可(ke)以(yi)調整某(mou)些電(dian)(dian)氣設(she)備(bei)的(de)(de)主要參數,并提醒或(huo)(huo)發出所(suo)有正(zheng)常工作設(she)置的(de)(de)偏差信號。常用(yong)于發電(dian)(dian),配(pei)電(dian)(dian)和變電(dian)(dian)站。
涉及電源系統中發電,傳輸,分配,轉換和功耗中的接通和斷開,控制或保護的作用。高壓配電柜用作(zuo)電(dian)(dian)壓(ya)(ya)(ya)等級在(zai)3.6 kV~550 kV的電(dian)(dian)氣產品作(zuo)為高(gao)壓(ya)(ya)(ya)隔離開(kai)關(guan),有接地開(kai)關(guan),高(gao)壓(ya)(ya)(ya)斷路(lu)器(qi)(qi)(qi),自動高(gao)壓(ya)(ya)(ya)重合和(he)(he)斷開(kai)裝(zhuang)置(zhi),高(gao)壓(ya)(ya)(ya)操(cao)作(zuo)機構(gou),防爆高(gao)壓(ya)(ya)(ya)配(pei)電(dian)(dian)裝(zhuang)置(zhi)和(he)(he)高(gao)壓(ya)(ya)(ya)開(kai)關(guan)柜(ju)(ju)(ju)(ju)等不同(tong)類別(bie)。通常(chang),連(lian)接到系統(tong)主母線的電(dian)(dian)容(rong)器(qi)(qi)(qi)柜(ju)(ju)(ju)(ju)用于中央無功功率補償,并(bing)(bing)(bing)且(qie)通常(chang)與輸入柜(ju)(ju)(ju)(ju)并(bing)(bing)(bing)聯(lian)安裝(zhuang)(系統(tong)具有PT柜(ju)(ju)(ju)(ju),應為高(gao)壓(ya)(ya)(ya)系統(tong),而(er)低壓(ya)(ya)(ya)系統(tong)沒(mei)有PT柜(ju)(ju)(ju)(ju)- PT柜(ju)(ju)(ju)(ju)相當(dang)于降低變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi),只需(xu)要(yao)低壓(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi),但是電(dian)(dian)容(rong)器(qi)(qi)(qi)柜(ju)(ju)(ju)(ju)很少(shao)用于高(gao)壓(ya)(ya)(ya)系統(tong)中,并(bing)(bing)(bing)且(qie)高(gao)壓(ya)(ya)(ya)電(dian)(dian)容(rong)器(qi)(qi)(qi)很難制造,并(bing)(bing)(bing)且(qie)通常(chang)在(zai)低壓(ya)(ya)(ya)側進行集中補償。