中電(dian)氣(qi)設備(bei)選(xuan)擇(ze)不(bu)當(dang)造成(cheng)的(de)(de)(de)常見錯(cuo)誤(wu)：生產過(guo)(guo)程(cheng)中交(jiao)流接觸(chu)器的(de)(de)(de)體(ti)積(ji)選(xuan)擇(ze)不(bu)當(dang)，不(bu)同(tong)組的(de)(de)(de)插座控制電(dian)路(lu)安裝了相(xiang)同(tong)體(ti)積(ji)的(de)(de)(de)交(jiao)流接觸(chu)器，三相(xiang)負載的(de)(de)(de)差異不(bu)完全考慮過(guo)(guo)的(de)(de)(de)。在平(ping)衡狀態下，不(bu)能在所有(you)正常模型(xing)中選(xuan)擇(ze)某些組的(de)(de)(de)輸出交(jiao)流接觸(chu)器的(de)(de)(de)電(dian)流水平(ping)。基本上，電(dian)流水平(ping)是通過(guo)(guo)一個步驟選(xuan)擇(ze)的(de)(de)(de)，該步驟會導致交(jiao)流接觸(chu)器在高溫天氣(qi)下運行期(qi)間燒(shao)斷。

根據電(dian)(dian)(dian)(dian)氣設(she)備的(de)(de)(de)接線規定(ding)，接線盒(he)可安裝(zhuang)在封(feng)閉或(huo)(huo)(huo)(huo)半(ban)封(feng)閉的(de)(de)(de)金屬外殼中或(huo)(huo)(huo)(huo)屏(ping)幕上，以(yi)形(xing)成(cheng)配(pei)電(dian)(dian)(dian)(dian)室(shi)設(she)備。如果一切(qie)正(zheng)常(chang)，可以(yi)使用(yong)手或(huo)(huo)(huo)(huo)控制(zhi)開(kai)關連接或(huo)(huo)(huo)(huo)斷(duan)開(kai)電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)路。常(chang)見(jian)的(de)(de)(de)錯誤(wu)或(huo)(huo)(huo)(huo)異常(chang)取決(jue)于家用(yong)電(dian)(dian)(dian)(dian)器的(de)(de)(de)維護，以(yi)斷(duan)開(kai)電(dian)(dian)(dian)(dian)路或(huo)(huo)(huo)(huo)警報。識別儀可以(yi)在信息模式下顯示(shi)各(ge)種主(zhu)要(yao)參(can)數(shu)，還可以(yi)調整某(mou)些(xie)電(dian)(dian)(dian)(dian)氣設(she)備的(de)(de)(de)主(zhu)要(yao)參(can)數(shu)，并提(ti)醒或(huo)(huo)(huo)(huo)發(fa)出所有正(zheng)常(chang)工作(zuo)設(she)置的(de)(de)(de)偏差信號。常(chang)用(yong)于發(fa)電(dian)(dian)(dian)(dian)，配(pei)電(dian)(dian)(dian)(dian)和變(bian)電(dian)(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)作電(dian)壓(ya)(ya)(ya)(ya)(ya)等級(ji)在3.6 kV~550 kV的電(dian)氣產品作為高(gao)壓(ya)(ya)(ya)(ya)(ya)隔離開(kai)關，有(you)接(jie)地開(kai)關，高(gao)壓(ya)(ya)(ya)(ya)(ya)斷(duan)路器(qi)(qi)，自動高(gao)壓(ya)(ya)(ya)(ya)(ya)重合和斷(duan)開(kai)裝置(zhi)，高(gao)壓(ya)(ya)(ya)(ya)(ya)操作機構，防爆(bao)高(gao)壓(ya)(ya)(ya)(ya)(ya)配電(dian)裝置(zhi)和高(gao)壓(ya)(ya)(ya)(ya)(ya)開(kai)關柜(ju)(ju)等不同類別。通常，連接(jie)到系(xi)(xi)統(tong)(tong)主(zhu)母線的電(dian)容器(qi)(qi)柜(ju)(ju)用(yong)于中(zhong)央(yang)無功功率補(bu)償(chang)，并(bing)(bing)且(qie)通常與輸(shu)入(ru)柜(ju)(ju)并(bing)(bing)聯安裝（系(xi)(xi)統(tong)(tong)具有(you)PT柜(ju)(ju)，應為高(gao)壓(ya)(ya)(ya)(ya)(ya)系(xi)(xi)統(tong)(tong)，而低壓(ya)(ya)(ya)(ya)(ya)系(xi)(xi)統(tong)(tong)沒(mei)有(you)PT柜(ju)(ju)- PT柜(ju)(ju)相當于降低變壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)，只(zhi)需要低壓(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)，但是電(dian)容器(qi)(qi)柜(ju)(ju)很(hen)少用(yong)于高(gao)壓(ya)(ya)(ya)(ya)(ya)系(xi)(xi)統(tong)(tong)中(zhong)，并(bing)(bing)且(qie)高(gao)壓(ya)(ya)(ya)(ya)(ya)電(dian)容器(qi)(qi)很(hen)難制造(zao)，并(bing)(bing)且(qie)通常在低壓(ya)(ya)(ya)(ya)(ya)側(ce)進行(xing)集中(zhong)補(bu)償(chang)。