中(zhong)電氣設備(bei)選擇(ze)不當造成的(de)(de)常見錯誤：生產過程中(zhong)交(jiao)流(liu)接觸器的(de)(de)體積選擇(ze)不當，不同組的(de)(de)插座控制電路安裝了相同體積的(de)(de)交(jiao)流(liu)接觸器，三相負載的(de)(de)差異(yi)不完全考慮過的(de)(de)。在(zai)(zai)平衡狀態(tai)下，不能在(zai)(zai)所有正常模型(xing)中(zhong)選擇(ze)某些組的(de)(de)輸出(chu)交(jiao)流(liu)接觸器的(de)(de)電流(liu)水(shui)平。基(ji)本(ben)上，電流(liu)水(shui)平是通過一個步驟(zou)選擇(ze)的(de)(de)，該步驟(zou)會導致交(jiao)流(liu)接觸器在(zai)(zai)高溫天氣下運行期間燒(shao)斷。

根(gen)據電(dian)(dian)(dian)氣設(she)(she)備的(de)接線規定，接線盒可(ke)安裝(zhuang)在封(feng)閉(bi)或(huo)(huo)半封(feng)閉(bi)的(de)金屬外殼中(zhong)或(huo)(huo)屏幕上，以(yi)(yi)形(xing)成配電(dian)(dian)(dian)室設(she)(she)備。如果(guo)一切正(zheng)常(chang)，可(ke)以(yi)(yi)使(shi)用(yong)手或(huo)(huo)控制(zhi)開關連接或(huo)(huo)斷(duan)開電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)路。常(chang)見的(de)錯誤或(huo)(huo)異常(chang)取決(jue)于家用(yong)電(dian)(dian)(dian)器的(de)維護，以(yi)(yi)斷(duan)開電(dian)(dian)(dian)路或(huo)(huo)警(jing)報。識(shi)別儀可(ke)以(yi)(yi)在信息模式下顯示各種主要參數，還可(ke)以(yi)(yi)調(diao)整某些電(dian)(dian)(dian)氣設(she)(she)備的(de)主要參數，并提醒或(huo)(huo)發出(chu)所有正(zheng)常(chang)工(gong)作(zuo)設(she)(she)置的(de)偏(pian)差信號(hao)。常(chang)用(yong)于發電(dian)(dian)(dian)，配電(dian)(dian)(dian)和變電(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。高壓配電柜用作電(dian)壓(ya)(ya)(ya)等級在(zai)(zai)3.6 kV~550 kV的(de)電(dian)氣產(chan)品(pin)作為高(gao)(gao)壓(ya)(ya)(ya)隔離開(kai)關(guan)，有(you)接地開(kai)關(guan)，高(gao)(gao)壓(ya)(ya)(ya)斷路器(qi)，自動高(gao)(gao)壓(ya)(ya)(ya)重(zhong)合和斷開(kai)裝(zhuang)置(zhi)(zhi)，高(gao)(gao)壓(ya)(ya)(ya)操(cao)作機構，防爆(bao)高(gao)(gao)壓(ya)(ya)(ya)配電(dian)裝(zhuang)置(zhi)(zhi)和高(gao)(gao)壓(ya)(ya)(ya)開(kai)關(guan)柜(ju)等不(bu)同類(lei)別。通(tong)常(chang)(chang)，連接到系(xi)統(tong)(tong)主母線(xian)的(de)電(dian)容(rong)器(qi)柜(ju)用于中(zhong)央無功(gong)(gong)功(gong)(gong)率補(bu)償，并且通(tong)常(chang)(chang)與輸入(ru)柜(ju)并聯安(an)裝(zhuang)（系(xi)統(tong)(tong)具有(you)PT柜(ju)，應為高(gao)(gao)壓(ya)(ya)(ya)系(xi)統(tong)(tong)，而低壓(ya)(ya)(ya)系(xi)統(tong)(tong)沒有(you)PT柜(ju)- PT柜(ju)相當于降低變(bian)壓(ya)(ya)(ya)器(qi)，只需要低壓(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)器(qi)，但是電(dian)容(rong)器(qi)柜(ju)很少用于高(gao)(gao)壓(ya)(ya)(ya)系(xi)統(tong)(tong)中(zhong)，并且高(gao)(gao)壓(ya)(ya)(ya)電(dian)容(rong)器(qi)很難制造，并且通(tong)常(chang)(chang)在(zai)(zai)低壓(ya)(ya)(ya)側(ce)進(jin)行集(ji)中(zhong)補(bu)償。