中電氣設(she)備選擇(ze)(ze)不當(dang)(dang)造成(cheng)的(de)(de)常見錯誤：生產(chan)過(guo)(guo)程(cheng)中交(jiao)流(liu)接(jie)觸(chu)(chu)器(qi)的(de)(de)體積(ji)(ji)選擇(ze)(ze)不當(dang)(dang)，不同組(zu)的(de)(de)插(cha)座控制電路安裝了相同體積(ji)(ji)的(de)(de)交(jiao)流(liu)接(jie)觸(chu)(chu)器(qi)，三相負載的(de)(de)差異(yi)不完(wan)全考(kao)慮(lv)過(guo)(guo)的(de)(de)。在(zai)平(ping)(ping)衡狀態下，不能在(zai)所有正(zheng)常模(mo)型中選擇(ze)(ze)某些(xie)組(zu)的(de)(de)輸出交(jiao)流(liu)接(jie)觸(chu)(chu)器(qi)的(de)(de)電流(liu)水平(ping)(ping)。基本上，電流(liu)水平(ping)(ping)是通過(guo)(guo)一個步驟選擇(ze)(ze)的(de)(de)，該步驟會導致交(jiao)流(liu)接(jie)觸(chu)(chu)器(qi)在(zai)高溫天氣下運行期間燒(shao)斷。

根據電(dian)(dian)(dian)(dian)(dian)氣設(she)(she)備(bei)(bei)的(de)接線(xian)規定，接線(xian)盒可安裝在封閉或半封閉的(de)金屬外殼中或屏幕(mu)上，以形成(cheng)配電(dian)(dian)(dian)(dian)(dian)室設(she)(she)備(bei)(bei)。如果一切正常(chang)(chang)，可以使用手或控制開(kai)(kai)關連接或斷(duan)開(kai)(kai)電(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)路。常(chang)(chang)見(jian)的(de)錯誤或異常(chang)(chang)取(qu)決于(yu)家用電(dian)(dian)(dian)(dian)(dian)器的(de)維護，以斷(duan)開(kai)(kai)電(dian)(dian)(dian)(dian)(dian)路或警報。識別儀可以在信息(xi)模式(shi)下(xia)顯示各種主要參數，還(huan)可以調(diao)整某些電(dian)(dian)(dian)(dian)(dian)氣設(she)(she)備(bei)(bei)的(de)主要參數，并提醒或發出(chu)所有正常(chang)(chang)工作設(she)(she)置的(de)偏差信號。常(chang)(chang)用于(yu)發電(dian)(dian)(dian)(dian)(dian)，配電(dian)(dian)(dian)(dian)(dian)和變電(dian)(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)(dian)壓(ya)(ya)等(deng)級(ji)在3.6 kV~550 kV的(de)電(dian)(dian)氣產品作為(wei)高(gao)(gao)壓(ya)(ya)隔離開關，有接(jie)地(di)開關，高(gao)(gao)壓(ya)(ya)斷路(lu)器(qi)，自動高(gao)(gao)壓(ya)(ya)重合和(he)斷開裝置，高(gao)(gao)壓(ya)(ya)操作機構，防爆高(gao)(gao)壓(ya)(ya)配電(dian)(dian)裝置和(he)高(gao)(gao)壓(ya)(ya)開關柜(ju)(ju)等(deng)不(bu)同(tong)類別。通(tong)(tong)常，連接(jie)到系統(tong)(tong)(tong)主母線的(de)電(dian)(dian)容(rong)器(qi)柜(ju)(ju)用(yong)于中(zhong)央無功(gong)功(gong)率補償(chang)，并(bing)(bing)且通(tong)(tong)常與輸入柜(ju)(ju)并(bing)(bing)聯安(an)裝（系統(tong)(tong)(tong)具有PT柜(ju)(ju)，應為(wei)高(gao)(gao)壓(ya)(ya)系統(tong)(tong)(tong)，而低(di)壓(ya)(ya)系統(tong)(tong)(tong)沒有PT柜(ju)(ju)- PT柜(ju)(ju)相當于降低(di)變(bian)壓(ya)(ya)器(qi)，只需要低(di)壓(ya)(ya)變(bian)壓(ya)(ya)器(qi)，但是(shi)電(dian)(dian)容(rong)器(qi)柜(ju)(ju)很少用(yong)于高(gao)(gao)壓(ya)(ya)系統(tong)(tong)(tong)中(zhong)，并(bing)(bing)且高(gao)(gao)壓(ya)(ya)電(dian)(dian)容(rong)器(qi)很難制(zhi)造，并(bing)(bing)且通(tong)(tong)常在低(di)壓(ya)(ya)側進行集中(zhong)補償(chang)。