中(zhong)電氣(qi)設(she)備(bei)選(xuan)(xuan)擇不(bu)當造成的常見(jian)錯誤：生產過(guo)程中(zhong)交流接觸器(qi)(qi)的體(ti)積選(xuan)(xuan)擇不(bu)當，不(bu)同組的插座控制電路安裝(zhuang)了相同體(ti)積的交流接觸器(qi)(qi)，三相負載(zai)的差異不(bu)完全考(kao)慮過(guo)的。在平(ping)衡狀態下，不(bu)能(neng)在所有正常模型(xing)中(zhong)選(xuan)(xuan)擇某(mou)些組的輸出交流接觸器(qi)(qi)的電流水平(ping)。基本上，電流水平(ping)是通(tong)過(guo)一個步驟選(xuan)(xuan)擇的，該(gai)步驟會導致(zhi)交流接觸器(qi)(qi)在高溫天氣(qi)下運行期間燒斷。

根據電(dian)(dian)(dian)氣設備的(de)(de)接(jie)(jie)線規定，接(jie)(jie)線盒(he)可安裝在封閉(bi)或半(ban)封閉(bi)的(de)(de)金屬外殼中(zhong)或屏幕上，以(yi)形(xing)成配電(dian)(dian)(dian)室設備。如果一切正常(chang)，可以(yi)使用手或控制開(kai)關(guan)連接(jie)(jie)或斷(duan)(duan)開(kai)電(dian)(dian)(dian)源電(dian)(dian)(dian)路。常(chang)見的(de)(de)錯(cuo)誤或異(yi)常(chang)取決于家用電(dian)(dian)(dian)器的(de)(de)維護，以(yi)斷(duan)(duan)開(kai)電(dian)(dian)(dian)路或警報。識別儀可以(yi)在信(xin)息模式下顯示各種主要參(can)數(shu)，還可以(yi)調整(zheng)某些電(dian)(dian)(dian)氣設備的(de)(de)主要參(can)數(shu)，并提醒或發出(chu)所有正常(chang)工作設置(zhi)的(de)(de)偏差信(xin)號。常(chang)用于發電(dian)(dian)(dian)，配電(dian)(dian)(dian)和變電(dian)(dian)(dian)站(zhan)。

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(yong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的電(dian)(dian)氣產品作(zuo)(zuo)為高(gao)(gao)壓(ya)(ya)(ya)(ya)隔離開(kai)(kai)關(guan)，有接地(di)開(kai)(kai)關(guan)，高(gao)(gao)壓(ya)(ya)(ya)(ya)斷路(lu)器(qi)(qi)，自動(dong)高(gao)(gao)壓(ya)(ya)(ya)(ya)重合和斷開(kai)(kai)裝(zhuang)(zhuang)置，高(gao)(gao)壓(ya)(ya)(ya)(ya)操作(zuo)(zuo)機構，防(fang)爆高(gao)(gao)壓(ya)(ya)(ya)(ya)配電(dian)(dian)裝(zhuang)(zhuang)置和高(gao)(gao)壓(ya)(ya)(ya)(ya)開(kai)(kai)關(guan)柜(ju)(ju)等(deng)不同類(lei)別。通常(chang)，連(lian)接到系(xi)(xi)統(tong)主母線(xian)的電(dian)(dian)容(rong)(rong)器(qi)(qi)柜(ju)(ju)用(yong)于中央無功(gong)功(gong)率(lv)補償(chang)(chang)，并且通常(chang)與(yu)輸入柜(ju)(ju)并聯(lian)安(an)裝(zhuang)(zhuang)（系(xi)(xi)統(tong)具(ju)有PT柜(ju)(ju)，應為高(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)(xi)統(tong)，而(er)低(di)壓(ya)(ya)(ya)(ya)系(xi)(xi)統(tong)沒(mei)有PT柜(ju)(ju)- PT柜(ju)(ju)相當(dang)于降低(di)變壓(ya)(ya)(ya)(ya)器(qi)(qi)，只需要低(di)壓(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)器(qi)(qi)，但是(shi)電(dian)(dian)容(rong)(rong)器(qi)(qi)柜(ju)(ju)很(hen)(hen)少用(yong)于高(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)(xi)統(tong)中，并且高(gao)(gao)壓(ya)(ya)(ya)(ya)電(dian)(dian)容(rong)(rong)器(qi)(qi)很(hen)(hen)難制造(zao)，并且通常(chang)在低(di)壓(ya)(ya)(ya)(ya)側進行集中補償(chang)(chang)。