中電(dian)氣設(she)備選(xuan)(xuan)擇不(bu)當造成的(de)(de)(de)常(chang)(chang)見錯誤(wu)：生產過(guo)程中交(jiao)流(liu)(liu)接(jie)觸(chu)器(qi)的(de)(de)(de)體(ti)積(ji)選(xuan)(xuan)擇不(bu)當，不(bu)同組的(de)(de)(de)插(cha)座控制(zhi)電(dian)路安裝了(le)相同體(ti)積(ji)的(de)(de)(de)交(jiao)流(liu)(liu)接(jie)觸(chu)器(qi)，三相負載的(de)(de)(de)差異不(bu)完全考慮過(guo)的(de)(de)(de)。在(zai)平(ping)衡狀態下(xia)(xia)，不(bu)能在(zai)所有正常(chang)(chang)模型中選(xuan)(xuan)擇某些組的(de)(de)(de)輸出交(jiao)流(liu)(liu)接(jie)觸(chu)器(qi)的(de)(de)(de)電(dian)流(liu)(liu)水平(ping)。基本上，電(dian)流(liu)(liu)水平(ping)是通過(guo)一個步驟(zou)選(xuan)(xuan)擇的(de)(de)(de)，該步驟(zou)會導(dao)致交(jiao)流(liu)(liu)接(jie)觸(chu)器(qi)在(zai)高溫天氣下(xia)(xia)運(yun)行期間燒(shao)斷。

根據電(dian)(dian)(dian)(dian)(dian)(dian)氣設(she)(she)備(bei)的(de)(de)接(jie)線(xian)規(gui)定，接(jie)線(xian)盒可(ke)(ke)安裝在封(feng)閉(bi)或半封(feng)閉(bi)的(de)(de)金(jin)屬外殼(ke)中(zhong)或屏幕上(shang)，以(yi)(yi)形成配電(dian)(dian)(dian)(dian)(dian)(dian)室設(she)(she)備(bei)。如果一(yi)切正(zheng)常(chang)，可(ke)(ke)以(yi)(yi)使(shi)用手或控制(zhi)開關連接(jie)或斷開電(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)路。常(chang)見的(de)(de)錯(cuo)誤或異常(chang)取決(jue)于家用電(dian)(dian)(dian)(dian)(dian)(dian)器的(de)(de)維護，以(yi)(yi)斷開電(dian)(dian)(dian)(dian)(dian)(dian)路或警報。識別儀可(ke)(ke)以(yi)(yi)在信息模式下顯示(shi)各種主(zhu)要參(can)數，還可(ke)(ke)以(yi)(yi)調整某些電(dian)(dian)(dian)(dian)(dian)(dian)氣設(she)(she)備(bei)的(de)(de)主(zhu)要參(can)數，并提(ti)醒或發出(chu)所有(you)正(zheng)常(chang)工作(zuo)設(she)(she)置(zhi)的(de)(de)偏差信號。常(chang)用于發電(dian)(dian)(dian)(dian)(dian)(dian)，配電(dian)(dian)(dian)(dian)(dian)(dian)和變電(dian)(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。高壓配電柜用作(zuo)電(dian)壓(ya)(ya)等級在3.6 kV~550 kV的(de)電(dian)氣產(chan)品(pin)作(zuo)為高壓(ya)(ya)隔離開(kai)關(guan)(guan)，有接地開(kai)關(guan)(guan)，高壓(ya)(ya)斷(duan)路器，自動高壓(ya)(ya)重合和斷(duan)開(kai)裝(zhuang)置，高壓(ya)(ya)操作(zuo)機(ji)構，防(fang)爆(bao)高壓(ya)(ya)配電(dian)裝(zhuang)置和高壓(ya)(ya)開(kai)關(guan)(guan)柜等不同類別。通常，連接到系(xi)統(tong)主母線的(de)電(dian)容器柜用于中央無功功率補償(chang)，并(bing)且通常與(yu)輸入柜并(bing)聯(lian)安裝(zhuang)（系(xi)統(tong)具有PT柜，應為高壓(ya)(ya)系(xi)統(tong)，而低壓(ya)(ya)系(xi)統(tong)沒有PT柜- PT柜相當(dang)于降低變壓(ya)(ya)器，只需(xu)要低壓(ya)(ya)變壓(ya)(ya)器，但(dan)是電(dian)容器柜很少(shao)用于高壓(ya)(ya)系(xi)統(tong)中，并(bing)且高壓(ya)(ya)電(dian)容器很難(nan)制造(zao)，并(bing)且通常在低壓(ya)(ya)側進(jin)行集(ji)中補償(chang)。