中(zhong)電氣設備(bei)選擇(ze)不(bu)當造成的(de)(de)常見錯誤：生(sheng)產過(guo)程中(zhong)交流(liu)接觸(chu)器(qi)的(de)(de)體積選擇(ze)不(bu)當，不(bu)同(tong)組的(de)(de)插座控制(zhi)電路安裝了相(xiang)同(tong)體積的(de)(de)交流(liu)接觸(chu)器(qi)，三相(xiang)負載的(de)(de)差異不(bu)完全考慮過(guo)的(de)(de)。在(zai)平(ping)(ping)衡狀態下，不(bu)能在(zai)所有正常模型中(zhong)選擇(ze)某些(xie)組的(de)(de)輸出交流(liu)接觸(chu)器(qi)的(de)(de)電流(liu)水(shui)平(ping)(ping)。基本上，電流(liu)水(shui)平(ping)(ping)是通過(guo)一個步(bu)驟選擇(ze)的(de)(de)，該步(bu)驟會導致交流(liu)接觸(chu)器(qi)在(zai)高(gao)溫天氣下運行(xing)期間燒斷。

根據電(dian)(dian)(dian)氣(qi)設(she)備的(de)接(jie)線規定，接(jie)線盒可(ke)(ke)安(an)裝在封(feng)閉或(huo)半封(feng)閉的(de)金(jin)屬外殼(ke)中或(huo)屏(ping)幕上(shang)，以(yi)(yi)形(xing)成配電(dian)(dian)(dian)室(shi)設(she)備。如(ru)果一切正(zheng)(zheng)常，可(ke)(ke)以(yi)(yi)使用(yong)手或(huo)控制開關連接(jie)或(huo)斷開電(dian)(dian)(dian)源電(dian)(dian)(dian)路。常見的(de)錯(cuo)誤(wu)或(huo)異常取決(jue)于家用(yong)電(dian)(dian)(dian)器的(de)維(wei)護(hu)，以(yi)(yi)斷開電(dian)(dian)(dian)路或(huo)警報(bao)。識(shi)別儀可(ke)(ke)以(yi)(yi)在信息模式下顯(xian)示(shi)各種主(zhu)要參數(shu)(shu)，還可(ke)(ke)以(yi)(yi)調整某些電(dian)(dian)(dian)氣(qi)設(she)備的(de)主(zhu)要參數(shu)(shu)，并提醒或(huo)發(fa)出所(suo)有正(zheng)(zheng)常工作設(she)置的(de)偏差信號。常用(yong)于發(fa)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(yong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)等級在3.6 kV~550 kV的電(dian)(dian)氣產(chan)品(pin)作(zuo)(zuo)為(wei)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)隔(ge)離(li)開(kai)關，有接(jie)地開(kai)關，高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)斷(duan)路器(qi)，自(zi)動高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)重合和(he)(he)斷(duan)開(kai)裝置(zhi)(zhi)，高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)操作(zuo)(zuo)機構，防爆高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)配電(dian)(dian)裝置(zhi)(zhi)和(he)(he)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)開(kai)關柜(ju)(ju)等不同類別(bie)。通常(chang)，連(lian)接(jie)到系(xi)統(tong)主母線的電(dian)(dian)容器(qi)柜(ju)(ju)用(yong)于中(zhong)央無功功率補償，并且通常(chang)與輸入柜(ju)(ju)并聯(lian)安裝（系(xi)統(tong)具有PT柜(ju)(ju)，應(ying)為(wei)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)，而低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)沒有PT柜(ju)(ju)- PT柜(ju)(ju)相當(dang)于降(jiang)低(di)(di)變壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)，只需(xu)要低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)，但是電(dian)(dian)容器(qi)柜(ju)(ju)很少用(yong)于高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)中(zhong)，并且高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)電(dian)(dian)容器(qi)很難制造，并且通常(chang)在低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)側進行集中(zhong)補償。