中(zhong)電氣(qi)設備(bei)選擇(ze)不(bu)當造成(cheng)的(de)常見錯誤：生產過程中(zhong)交(jiao)流接觸器(qi)的(de)體積選擇(ze)不(bu)當，不(bu)同組的(de)插座控制(zhi)電路安裝了相同體積的(de)交(jiao)流接觸器(qi)，三(san)相負載的(de)差異不(bu)完全考(kao)慮過的(de)。在(zai)平衡狀態(tai)下，不(bu)能在(zai)所(suo)有正常模型中(zhong)選擇(ze)某些(xie)組的(de)輸出(chu)交(jiao)流接觸器(qi)的(de)電流水平。基本上，電流水平是通過一(yi)個步(bu)驟(zou)選擇(ze)的(de)，該步(bu)驟(zou)會(hui)導(dao)致交(jiao)流接觸器(qi)在(zai)高(gao)溫天氣(qi)下運(yun)行(xing)期(qi)間燒斷。

根據電(dian)(dian)(dian)(dian)(dian)氣設(she)(she)備的(de)(de)(de)接線(xian)規(gui)定，接線(xian)盒可安(an)裝在(zai)封閉或半封閉的(de)(de)(de)金屬外殼中或屏幕上，以形成配電(dian)(dian)(dian)(dian)(dian)室設(she)(she)備。如果一(yi)切正常(chang)，可以使用(yong)手或控制(zhi)開關連接或斷開電(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)路。常(chang)見的(de)(de)(de)錯誤或異(yi)常(chang)取(qu)決于(yu)家用(yong)電(dian)(dian)(dian)(dian)(dian)器的(de)(de)(de)維(wei)護，以斷開電(dian)(dian)(dian)(dian)(dian)路或警報(bao)。識別儀可以在(zai)信息模式(shi)下顯示各(ge)種主要參(can)數，還可以調整某些電(dian)(dian)(dian)(dian)(dian)氣設(she)(she)備的(de)(de)(de)主要參(can)數，并提醒(xing)或發出(chu)所有正常(chang)工作設(she)(she)置的(de)(de)(de)偏差(cha)信號。常(chang)用(yong)于(yu)發電(dian)(dian)(dian)(dian)(dian)，配電(dian)(dian)(dian)(dian)(dian)和變電(dian)(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。高壓配電柜用作(zuo)電(dian)(dian)壓(ya)(ya)(ya)(ya)等級在(zai)3.6 kV~550 kV的(de)電(dian)(dian)氣產品作(zuo)為高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)隔離開(kai)(kai)關，有(you)接(jie)地開(kai)(kai)關，高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)斷路器(qi)，自動高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)重合和斷開(kai)(kai)裝置(zhi)，高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)操作(zuo)機構，防爆(bao)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)配電(dian)(dian)裝置(zhi)和高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)開(kai)(kai)關柜(ju)等不同類(lei)別。通常(chang)，連接(jie)到系(xi)(xi)統主母線的(de)電(dian)(dian)容器(qi)柜(ju)用于中央無(wu)功(gong)功(gong)率補(bu)償，并且(qie)通常(chang)與輸入柜(ju)并聯安裝（系(xi)(xi)統具有(you)PT柜(ju)，應(ying)為高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)(xi)統，而低壓(ya)(ya)(ya)(ya)系(xi)(xi)統沒有(you)PT柜(ju)- PT柜(ju)相(xiang)當于降低變(bian)壓(ya)(ya)(ya)(ya)器(qi)，只(zhi)需要低壓(ya)(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)(ya)器(qi)，但是(shi)電(dian)(dian)容器(qi)柜(ju)很少用于高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)(xi)統中，并且(qie)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)電(dian)(dian)容器(qi)很難制造，并且(qie)通常(chang)在(zai)低壓(ya)(ya)(ya)(ya)側(ce)進行集中補(bu)償。