中電(dian)(dian)氣(qi)設備選擇(ze)(ze)不(bu)當造(zao)成(cheng)的(de)(de)(de)常(chang)見錯(cuo)誤：生產(chan)過(guo)程中交(jiao)(jiao)流(liu)接(jie)觸(chu)(chu)器的(de)(de)(de)體積選擇(ze)(ze)不(bu)當，不(bu)同(tong)組的(de)(de)(de)插座控制電(dian)(dian)路(lu)安(an)裝了相同(tong)體積的(de)(de)(de)交(jiao)(jiao)流(liu)接(jie)觸(chu)(chu)器，三相負載的(de)(de)(de)差異(yi)不(bu)完全考慮(lv)過(guo)的(de)(de)(de)。在(zai)平(ping)衡狀態下(xia)(xia)，不(bu)能在(zai)所有正常(chang)模型中選擇(ze)(ze)某些組的(de)(de)(de)輸出交(jiao)(jiao)流(liu)接(jie)觸(chu)(chu)器的(de)(de)(de)電(dian)(dian)流(liu)水平(ping)。基本上，電(dian)(dian)流(liu)水平(ping)是(shi)通過(guo)一個步驟選擇(ze)(ze)的(de)(de)(de)，該步驟會(hui)導致交(jiao)(jiao)流(liu)接(jie)觸(chu)(chu)器在(zai)高溫(wen)天(tian)氣(qi)下(xia)(xia)運行期間燒(shao)斷(duan)。

根據電(dian)(dian)(dian)氣(qi)設(she)備的(de)(de)接(jie)線規定，接(jie)線盒可(ke)安裝在(zai)封(feng)閉或(huo)半(ban)封(feng)閉的(de)(de)金屬外(wai)殼(ke)中或(huo)屏幕上，以(yi)(yi)形成配電(dian)(dian)(dian)室設(she)備。如果(guo)一切(qie)正(zheng)常(chang)(chang)，可(ke)以(yi)(yi)使(shi)用(yong)手或(huo)控制開關(guan)連接(jie)或(huo)斷開電(dian)(dian)(dian)源電(dian)(dian)(dian)路。常(chang)(chang)見的(de)(de)錯誤或(huo)異常(chang)(chang)取決于(yu)家用(yong)電(dian)(dian)(dian)器的(de)(de)維護，以(yi)(yi)斷開電(dian)(dian)(dian)路或(huo)警報。識別儀(yi)可(ke)以(yi)(yi)在(zai)信(xin)息模式下顯示各種主要參(can)數(shu)，還可(ke)以(yi)(yi)調整(zheng)某些電(dian)(dian)(dian)氣(qi)設(she)備的(de)(de)主要參(can)數(shu)，并提(ti)醒或(huo)發出所有正(zheng)常(chang)(chang)工作設(she)置(zhi)的(de)(de)偏差信(xin)號。常(chang)(chang)用(yong)于(yu)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(yong)作(zuo)電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的電(dian)氣產品(pin)作(zuo)為(wei)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)隔離開關，有接地開關，高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)斷路器(qi)(qi)(qi)，自動高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)重(zhong)合和(he)斷開裝(zhuang)(zhuang)置(zhi)(zhi)，高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)操作(zuo)機構，防爆高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)配電(dian)裝(zhuang)(zhuang)置(zhi)(zhi)和(he)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)開關柜等(deng)不同類(lei)別。通常(chang)，連接到系(xi)統(tong)(tong)(tong)主母線的電(dian)容(rong)器(qi)(qi)(qi)柜用(yong)于(yu)(yu)中(zhong)央無功(gong)功(gong)率補(bu)(bu)償，并且(qie)通常(chang)與(yu)輸入(ru)柜并聯安裝(zhuang)(zhuang)（系(xi)統(tong)(tong)(tong)具有PT柜，應為(wei)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong)，而低壓(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong)沒有PT柜- PT柜相當于(yu)(yu)降(jiang)低變壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)，只需要(yao)低壓(ya)(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)，但(dan)是電(dian)容(rong)器(qi)(qi)(qi)柜很少(shao)用(yong)于(yu)(yu)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong)中(zhong)，并且(qie)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)電(dian)容(rong)器(qi)(qi)(qi)很難(nan)制造，并且(qie)通常(chang)在低壓(ya)(ya)(ya)(ya)(ya)(ya)側進行(xing)集中(zhong)補(bu)(bu)償。