中(zhong)電氣設備選(xuan)擇不(bu)當造成(cheng)的(de)(de)(de)常見(jian)錯(cuo)誤：生產過程中(zhong)交(jiao)(jiao)流(liu)(liu)接(jie)觸(chu)器(qi)(qi)的(de)(de)(de)體積(ji)選(xuan)擇不(bu)當，不(bu)同(tong)組的(de)(de)(de)插座控制電路安裝了相同(tong)體積(ji)的(de)(de)(de)交(jiao)(jiao)流(liu)(liu)接(jie)觸(chu)器(qi)(qi)，三相負(fu)載的(de)(de)(de)差異不(bu)完全考(kao)慮(lv)過的(de)(de)(de)。在平(ping)衡狀態下，不(bu)能在所有正常模型中(zhong)選(xuan)擇某些(xie)組的(de)(de)(de)輸(shu)出交(jiao)(jiao)流(liu)(liu)接(jie)觸(chu)器(qi)(qi)的(de)(de)(de)電流(liu)(liu)水(shui)(shui)平(ping)。基本上，電流(liu)(liu)水(shui)(shui)平(ping)是通(tong)過一個步(bu)(bu)驟選(xuan)擇的(de)(de)(de)，該步(bu)(bu)驟會(hui)導致(zhi)交(jiao)(jiao)流(liu)(liu)接(jie)觸(chu)器(qi)(qi)在高溫天氣下運行期(qi)間燒斷。

根(gen)據(ju)電(dian)(dian)氣設備的接(jie)線規定，接(jie)線盒可安裝(zhuang)在封閉(bi)或半(ban)封閉(bi)的金屬外(wai)殼(ke)中或屏幕上，以形成配(pei)電(dian)(dian)室設備。如果(guo)一(yi)切(qie)正常(chang)，可以使用(yong)手(shou)或控制開(kai)關連(lian)接(jie)或斷開(kai)電(dian)(dian)源電(dian)(dian)路(lu)。常(chang)見的錯誤或異常(chang)取決于(yu)家用(yong)電(dian)(dian)器的維護(hu)，以斷開(kai)電(dian)(dian)路(lu)或警(jing)報。識別(bie)儀可以在信息模(mo)式下顯(xian)示各種(zhong)主要參數，還可以調整某些電(dian)(dian)氣設備的主要參數，并提醒或發出所(suo)有正常(chang)工(gong)作設置(zhi)的偏差信號。常(chang)用(yong)于(yu)發電(dian)(dian)，配(pei)電(dian)(dian)和變電(dian)(dian)站(zhan)。

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(zuo)電壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)等級在(zai)3.6 kV~550 kV的電氣產品作(zuo)為(wei)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)隔離開(kai)關，有接地開(kai)關，高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)斷路器(qi)，自(zi)動高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)重合和斷開(kai)裝置，高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)操作(zuo)機構，防爆高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)配(pei)電裝置和高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)開(kai)關柜等不同類別。通常，連(lian)接到系(xi)統(tong)主母線的電容器(qi)柜用(yong)于(yu)中(zhong)央無功(gong)功(gong)率補(bu)償，并(bing)(bing)且通常與輸入(ru)柜并(bing)(bing)聯安裝（系(xi)統(tong)具(ju)有PT柜，應為(wei)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)，而低壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)沒有PT柜- PT柜相當于(yu)降低變壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)，只需要(yao)低壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)，但是(shi)電容器(qi)柜很少用(yong)于(yu)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)中(zhong)，并(bing)(bing)且高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)電容器(qi)很難制(zhi)造(zao)，并(bing)(bing)且通常在(zai)低壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)側進行集中(zhong)補(bu)償。