中電(dian)氣設備選(xuan)(xuan)擇(ze)不(bu)(bu)當造(zao)成的(de)常見(jian)錯誤(wu)：生(sheng)產過(guo)程中交流(liu)接觸(chu)器的(de)體(ti)積選(xuan)(xuan)擇(ze)不(bu)(bu)當，不(bu)(bu)同(tong)組的(de)插座控制電(dian)路安裝了相(xiang)同(tong)體(ti)積的(de)交流(liu)接觸(chu)器，三相(xiang)負(fu)載的(de)差異不(bu)(bu)完(wan)全(quan)考慮過(guo)的(de)。在平衡狀態下，不(bu)(bu)能在所有正常模型中選(xuan)(xuan)擇(ze)某(mou)些(xie)組的(de)輸出交流(liu)接觸(chu)器的(de)電(dian)流(liu)水(shui)(shui)平。基本上(shang)，電(dian)流(liu)水(shui)(shui)平是通過(guo)一個步(bu)驟選(xuan)(xuan)擇(ze)的(de)，該步(bu)驟會導致交流(liu)接觸(chu)器在高溫天氣下運行(xing)期間燒(shao)斷。

根據電(dian)(dian)氣設(she)(she)備(bei)的(de)(de)接線規定，接線盒可(ke)安裝在封(feng)閉或(huo)半封(feng)閉的(de)(de)金屬外殼中(zhong)或(huo)屏幕上(shang)，以(yi)形成(cheng)配(pei)電(dian)(dian)室設(she)(she)備(bei)。如(ru)果一(yi)切正常(chang)，可(ke)以(yi)使用(yong)(yong)手或(huo)控制(zhi)開關連接或(huo)斷開電(dian)(dian)源電(dian)(dian)路。常(chang)見的(de)(de)錯誤或(huo)異(yi)常(chang)取決于家(jia)用(yong)(yong)電(dian)(dian)器的(de)(de)維護，以(yi)斷開電(dian)(dian)路或(huo)警報(bao)。識(shi)別儀可(ke)以(yi)在信息模式(shi)下顯示各種(zhong)主要參數，還(huan)可(ke)以(yi)調整某些(xie)電(dian)(dian)氣設(she)(she)備(bei)的(de)(de)主要參數，并提醒或(huo)發出所有正常(chang)工作設(she)(she)置的(de)(de)偏差信號。常(chang)用(yong)(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(yong)(yong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的電(dian)(dian)氣產品作(zuo)(zuo)為(wei)高(gao)壓(ya)(ya)(ya)(ya)(ya)隔離(li)開(kai)關，有接地(di)開(kai)關，高(gao)壓(ya)(ya)(ya)(ya)(ya)斷(duan)(duan)路器(qi)(qi)，自(zi)動高(gao)壓(ya)(ya)(ya)(ya)(ya)重(zhong)合和斷(duan)(duan)開(kai)裝置(zhi)，高(gao)壓(ya)(ya)(ya)(ya)(ya)操作(zuo)(zuo)機(ji)構，防爆高(gao)壓(ya)(ya)(ya)(ya)(ya)配電(dian)(dian)裝置(zhi)和高(gao)壓(ya)(ya)(ya)(ya)(ya)開(kai)關柜(ju)等(deng)不同類別。通常(chang)，連(lian)接到系(xi)統(tong)(tong)(tong)主(zhu)母線的電(dian)(dian)容器(qi)(qi)柜(ju)用(yong)(yong)于(yu)中央無(wu)功(gong)功(gong)率(lv)補償，并且通常(chang)與輸入柜(ju)并聯安(an)裝（系(xi)統(tong)(tong)(tong)具有PT柜(ju)，應(ying)為(wei)高(gao)壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong)，而低(di)壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong)沒有PT柜(ju)- PT柜(ju)相當(dang)于(yu)降(jiang)低(di)變壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)，只(zhi)需(xu)要低(di)壓(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)，但是電(dian)(dian)容器(qi)(qi)柜(ju)很少用(yong)(yong)于(yu)高(gao)壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong)中，并且高(gao)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)容器(qi)(qi)很難制(zhi)造，并且通常(chang)在低(di)壓(ya)(ya)(ya)(ya)(ya)側進行集中補償。