中(zhong)電氣設備選擇不(bu)當造(zao)成的(de)(de)常(chang)見(jian)錯誤：生產過(guo)程中(zhong)交流(liu)(liu)(liu)接觸(chu)器(qi)(qi)的(de)(de)體積(ji)選擇不(bu)當，不(bu)同(tong)組的(de)(de)插座控制電路安裝(zhuang)了相同(tong)體積(ji)的(de)(de)交流(liu)(liu)(liu)接觸(chu)器(qi)(qi)，三相負(fu)載的(de)(de)差異(yi)不(bu)完全(quan)考慮過(guo)的(de)(de)。在平(ping)(ping)衡狀態(tai)下，不(bu)能在所有正(zheng)常(chang)模(mo)型中(zhong)選擇某些組的(de)(de)輸出交流(liu)(liu)(liu)接觸(chu)器(qi)(qi)的(de)(de)電流(liu)(liu)(liu)水平(ping)(ping)。基本上，電流(liu)(liu)(liu)水平(ping)(ping)是(shi)通過(guo)一個步驟(zou)選擇的(de)(de)，該步驟(zou)會導致交流(liu)(liu)(liu)接觸(chu)器(qi)(qi)在高溫天氣下運行(xing)期間燒斷。

根據電(dian)(dian)(dian)(dian)氣(qi)設備(bei)的(de)接(jie)(jie)線規定，接(jie)(jie)線盒可安(an)裝在封(feng)閉或(huo)(huo)(huo)半封(feng)閉的(de)金(jin)屬外殼中或(huo)(huo)(huo)屏幕上，以形成配電(dian)(dian)(dian)(dian)室設備(bei)。如果(guo)一切正(zheng)常，可以使用(yong)(yong)手或(huo)(huo)(huo)控制開關連接(jie)(jie)或(huo)(huo)(huo)斷(duan)開電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)路。常見的(de)錯誤或(huo)(huo)(huo)異(yi)常取決于(yu)家用(yong)(yong)電(dian)(dian)(dian)(dian)器的(de)維護，以斷(duan)開電(dian)(dian)(dian)(dian)路或(huo)(huo)(huo)警報(bao)。識(shi)別儀可以在信息模式(shi)下顯示各(ge)種主要(yao)參(can)數，還可以調整(zheng)某(mou)些電(dian)(dian)(dian)(dian)氣(qi)設備(bei)的(de)主要(yao)參(can)數，并提醒或(huo)(huo)(huo)發出所(suo)有正(zheng)常工作設置的(de)偏差信號。常用(yong)(yong)于(yu)發電(dian)(dian)(dian)(dian)，配電(dian)(dian)(dian)(dian)和變電(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(zuo)電(dian)壓(ya)(ya)(ya)(ya)等級在3.6 kV~550 kV的電(dian)氣(qi)產品作(zuo)為(wei)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)隔離開(kai)關，有(you)接(jie)地開(kai)關，高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)斷(duan)路器(qi)(qi)，自動(dong)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)重合和斷(duan)開(kai)裝置，高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)操作(zuo)機構(gou)，防爆高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)配電(dian)裝置和高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)開(kai)關柜(ju)(ju)等不同類別(bie)。通(tong)常(chang)，連(lian)接(jie)到系(xi)統(tong)(tong)主(zhu)母線的電(dian)容器(qi)(qi)柜(ju)(ju)用(yong)于中央無(wu)功功率補償(chang)，并(bing)且(qie)通(tong)常(chang)與(yu)輸入柜(ju)(ju)并(bing)聯安裝（系(xi)統(tong)(tong)具有(you)PT柜(ju)(ju)，應(ying)為(wei)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)，而低壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)沒(mei)有(you)PT柜(ju)(ju)- PT柜(ju)(ju)相當于降(jiang)低變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)，只需要低壓(ya)(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)，但(dan)是(shi)電(dian)容器(qi)(qi)柜(ju)(ju)很少用(yong)于高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)中，并(bing)且(qie)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)電(dian)容器(qi)(qi)很難(nan)制造(zao)，并(bing)且(qie)通(tong)常(chang)在低壓(ya)(ya)(ya)(ya)側進行集中補償(chang)。