中(zhong)電(dian)(dian)氣設備選(xuan)(xuan)擇(ze)不(bu)(bu)當造成的(de)常(chang)見錯誤：生產過程(cheng)中(zhong)交流接觸器的(de)體積選(xuan)(xuan)擇(ze)不(bu)(bu)當，不(bu)(bu)同組的(de)插座控(kong)制電(dian)(dian)路安(an)裝了相(xiang)同體積的(de)交流接觸器，三相(xiang)負載的(de)差異不(bu)(bu)完(wan)全考慮過的(de)。在(zai)平衡狀態下，不(bu)(bu)能在(zai)所有(you)正(zheng)常(chang)模(mo)型中(zhong)選(xuan)(xuan)擇(ze)某些組的(de)輸(shu)出交流接觸器的(de)電(dian)(dian)流水平。基(ji)本上，電(dian)(dian)流水平是通過一個步(bu)驟選(xuan)(xuan)擇(ze)的(de)，該步(bu)驟會導(dao)致交流接觸器在(zai)高溫天氣下運(yun)行(xing)期間燒斷。

根據(ju)電(dian)(dian)(dian)氣設(she)備(bei)(bei)的接(jie)(jie)線規(gui)定，接(jie)(jie)線盒可安裝(zhuang)在封閉或半封閉的金屬外殼中或屏(ping)幕上，以(yi)形成配電(dian)(dian)(dian)室(shi)設(she)備(bei)(bei)。如果(guo)一切(qie)正常(chang)，可以(yi)使用(yong)手或控制開關連接(jie)(jie)或斷(duan)開電(dian)(dian)(dian)源電(dian)(dian)(dian)路(lu)。常(chang)見的錯(cuo)誤或異常(chang)取(qu)決于(yu)家用(yong)電(dian)(dian)(dian)器(qi)的維護，以(yi)斷(duan)開電(dian)(dian)(dian)路(lu)或警(jing)報。識別(bie)儀可以(yi)在信息(xi)模式下顯示各種主要(yao)參數，還可以(yi)調(diao)整某些電(dian)(dian)(dian)氣設(she)備(bei)(bei)的主要(yao)參數，并提醒或發出所有(you)正常(chang)工作設(she)置的偏(pian)差(cha)信號。常(chang)用(yong)于(yu)發電(dian)(dian)(dian)，配電(dian)(dian)(dian)和變(bian)電(dian)(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(yong)(yong)作電(dian)壓(ya)(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的電(dian)氣產品作為高(gao)壓(ya)(ya)(ya)(ya)隔離開(kai)關，有(you)接(jie)(jie)地(di)開(kai)關，高(gao)壓(ya)(ya)(ya)(ya)斷(duan)路器，自動高(gao)壓(ya)(ya)(ya)(ya)重合(he)和斷(duan)開(kai)裝(zhuang)置，高(gao)壓(ya)(ya)(ya)(ya)操作機構，防爆高(gao)壓(ya)(ya)(ya)(ya)配電(dian)裝(zhuang)置和高(gao)壓(ya)(ya)(ya)(ya)開(kai)關柜(ju)(ju)等(deng)不(bu)同類別。通(tong)常(chang)(chang)，連接(jie)(jie)到系統(tong)(tong)主母(mu)線的電(dian)容(rong)(rong)器柜(ju)(ju)用(yong)(yong)于中(zhong)央無功功率補償(chang)，并(bing)(bing)且通(tong)常(chang)(chang)與輸入柜(ju)(ju)并(bing)(bing)聯安裝(zhuang)（系統(tong)(tong)具有(you)PT柜(ju)(ju)，應為高(gao)壓(ya)(ya)(ya)(ya)系統(tong)(tong)，而低(di)壓(ya)(ya)(ya)(ya)系統(tong)(tong)沒有(you)PT柜(ju)(ju)- PT柜(ju)(ju)相當(dang)于降(jiang)低(di)變壓(ya)(ya)(ya)(ya)器，只(zhi)需要低(di)壓(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)器，但是電(dian)容(rong)(rong)器柜(ju)(ju)很少用(yong)(yong)于高(gao)壓(ya)(ya)(ya)(ya)系統(tong)(tong)中(zhong)，并(bing)(bing)且高(gao)壓(ya)(ya)(ya)(ya)電(dian)容(rong)(rong)器很難制造，并(bing)(bing)且通(tong)常(chang)(chang)在低(di)壓(ya)(ya)(ya)(ya)側(ce)進行集(ji)中(zhong)補償(chang)。