中電(dian)(dian)(dian)氣設備選(xuan)擇(ze)(ze)不當(dang)造成的(de)常見(jian)錯(cuo)誤(wu)：生產過程(cheng)中交(jiao)流(liu)接(jie)觸(chu)器(qi)的(de)體(ti)積選(xuan)擇(ze)(ze)不當(dang)，不同組(zu)的(de)插座控制電(dian)(dian)(dian)路安裝了(le)相同體(ti)積的(de)交(jiao)流(liu)接(jie)觸(chu)器(qi)，三相負載的(de)差異不完(wan)全考慮過的(de)。在(zai)平衡(heng)狀態下，不能(neng)在(zai)所有正常模型中選(xuan)擇(ze)(ze)某些組(zu)的(de)輸(shu)出(chu)交(jiao)流(liu)接(jie)觸(chu)器(qi)的(de)電(dian)(dian)(dian)流(liu)水平。基(ji)本上，電(dian)(dian)(dian)流(liu)水平是通過一個步驟(zou)(zou)選(xuan)擇(ze)(ze)的(de)，該步驟(zou)(zou)會導(dao)致交(jiao)流(liu)接(jie)觸(chu)器(qi)在(zai)高溫天氣下運行期間燒斷(duan)。

根(gen)據電(dian)(dian)(dian)(dian)氣設(she)備的(de)接(jie)線規定(ding)，接(jie)線盒可安裝在封閉或(huo)半封閉的(de)金屬(shu)外殼中(zhong)或(huo)屏幕(mu)上，以(yi)形成配電(dian)(dian)(dian)(dian)室(shi)設(she)備。如果一切(qie)正(zheng)(zheng)常(chang)(chang)，可以(yi)使用(yong)手或(huo)控制開(kai)(kai)關連接(jie)或(huo)斷開(kai)(kai)電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)路。常(chang)(chang)見(jian)的(de)錯(cuo)誤或(huo)異常(chang)(chang)取決于家用(yong)電(dian)(dian)(dian)(dian)器(qi)的(de)維護，以(yi)斷開(kai)(kai)電(dian)(dian)(dian)(dian)路或(huo)警報。識別儀可以(yi)在信息模式下(xia)顯示(shi)各種主要(yao)參(can)數，還(huan)可以(yi)調(diao)整某些電(dian)(dian)(dian)(dian)氣設(she)備的(de)主要(yao)參(can)數，并提醒(xing)或(huo)發出所有正(zheng)(zheng)常(chang)(chang)工作設(she)置的(de)偏差信號。常(chang)(chang)用(yong)于發電(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)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)等(deng)級(ji)在3.6 kV~550 kV的電(dian)(dian)(dian)氣產品作(zuo)為(wei)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)隔離開關，有接(jie)地開關，高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)斷(duan)路器(qi)，自動高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)重合(he)和(he)斷(duan)開裝置，高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)操作(zuo)機(ji)構，防爆高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)配(pei)電(dian)(dian)(dian)裝置和(he)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)開關柜(ju)(ju)等(deng)不同類別。通常，連接(jie)到系統(tong)主(zhu)母(mu)線的電(dian)(dian)(dian)容器(qi)柜(ju)(ju)用(yong)于(yu)中央無功功率(lv)補(bu)償，并(bing)且通常與輸入柜(ju)(ju)并(bing)聯安裝（系統(tong)具有PT柜(ju)(ju)，應為(wei)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)系統(tong)，而低(di)(di)壓(ya)(ya)(ya)(ya)(ya)系統(tong)沒有PT柜(ju)(ju)- PT柜(ju)(ju)相當于(yu)降低(di)(di)變壓(ya)(ya)(ya)(ya)(ya)器(qi)，只需要低(di)(di)壓(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)器(qi)，但是電(dian)(dian)(dian)容器(qi)柜(ju)(ju)很少(shao)用(yong)于(yu)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)系統(tong)中，并(bing)且高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)容器(qi)很難制造，并(bing)且通常在低(di)(di)壓(ya)(ya)(ya)(ya)(ya)側(ce)進(jin)行集中補(bu)償。