中(zhong)電氣設備選擇不(bu)當(dang)造成(cheng)的(de)(de)(de)常(chang)見錯誤：生產過(guo)(guo)程中(zhong)交(jiao)流(liu)接觸(chu)器的(de)(de)(de)體積(ji)選擇不(bu)當(dang)，不(bu)同(tong)組(zu)的(de)(de)(de)插座控制電路安(an)裝了相(xiang)同(tong)體積(ji)的(de)(de)(de)交(jiao)流(liu)接觸(chu)器，三相(xiang)負載的(de)(de)(de)差(cha)異不(bu)完全考慮過(guo)(guo)的(de)(de)(de)。在(zai)平(ping)衡狀態下，不(bu)能在(zai)所有正常(chang)模型(xing)中(zhong)選擇某些組(zu)的(de)(de)(de)輸出交(jiao)流(liu)接觸(chu)器的(de)(de)(de)電流(liu)水平(ping)。基(ji)本上，電流(liu)水平(ping)是通過(guo)(guo)一個步驟選擇的(de)(de)(de)，該步驟會導(dao)致(zhi)交(jiao)流(liu)接觸(chu)器在(zai)高溫天(tian)氣下運行期間燒斷。

根據電(dian)(dian)(dian)(dian)(dian)氣(qi)設(she)備的(de)(de)接(jie)線(xian)(xian)規(gui)定，接(jie)線(xian)(xian)盒可(ke)(ke)安裝(zhuang)在(zai)(zai)封閉(bi)或半封閉(bi)的(de)(de)金屬外(wai)殼(ke)中或屏(ping)幕上，以(yi)形成(cheng)配(pei)電(dian)(dian)(dian)(dian)(dian)室設(she)備。如果一切(qie)正常，可(ke)(ke)以(yi)使用手或控制開(kai)關連接(jie)或斷開(kai)電(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)路(lu)。常見的(de)(de)錯誤或異常取決(jue)于家(jia)用電(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)維護，以(yi)斷開(kai)電(dian)(dian)(dian)(dian)(dian)路(lu)或警報(bao)。識別儀可(ke)(ke)以(yi)在(zai)(zai)信息模式下顯示各種主(zhu)要(yao)參(can)數，還(huan)可(ke)(ke)以(yi)調整某些電(dian)(dian)(dian)(dian)(dian)氣(qi)設(she)備的(de)(de)主(zhu)要(yao)參(can)數，并(bing)提(ti)醒或發出所(suo)有正常工作設(she)置的(de)(de)偏差信號。常用于發電(dian)(dian)(dian)(dian)(dian)，配(pei)電(dian)(dian)(dian)(dian)(dian)和(he)變電(dian)(dian)(dian)(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)作電壓(ya)等級在(zai)3.6 kV~550 kV的電氣產(chan)品作為高(gao)(gao)(gao)(gao)壓(ya)隔離開關(guan)，有接(jie)地開關(guan)，高(gao)(gao)(gao)(gao)壓(ya)斷路器(qi)，自動高(gao)(gao)(gao)(gao)壓(ya)重合(he)和斷開裝置(zhi)，高(gao)(gao)(gao)(gao)壓(ya)操作機構(gou)，防爆(bao)高(gao)(gao)(gao)(gao)壓(ya)配電裝置(zhi)和高(gao)(gao)(gao)(gao)壓(ya)開關(guan)柜(ju)(ju)(ju)等不(bu)同(tong)類別。通(tong)常，連接(jie)到系(xi)(xi)統主母線的電容(rong)(rong)(rong)器(qi)柜(ju)(ju)(ju)用(yong)于中央無(wu)功功率補償(chang)，并(bing)且(qie)通(tong)常與(yu)輸入柜(ju)(ju)(ju)并(bing)聯安裝（系(xi)(xi)統具有PT柜(ju)(ju)(ju)，應為高(gao)(gao)(gao)(gao)壓(ya)系(xi)(xi)統，而低(di)壓(ya)系(xi)(xi)統沒有PT柜(ju)(ju)(ju)- PT柜(ju)(ju)(ju)相當于降(jiang)低(di)變壓(ya)器(qi)，只需要(yao)低(di)壓(ya)變壓(ya)器(qi)，但是(shi)電容(rong)(rong)(rong)器(qi)柜(ju)(ju)(ju)很少用(yong)于高(gao)(gao)(gao)(gao)壓(ya)系(xi)(xi)統中，并(bing)且(qie)高(gao)(gao)(gao)(gao)壓(ya)電容(rong)(rong)(rong)器(qi)很難制造，并(bing)且(qie)通(tong)常在(zai)低(di)壓(ya)側(ce)進行集(ji)中補償(chang)。