中(zhong)電氣(qi)設(she)備選擇(ze)(ze)不(bu)當造成的常見錯誤：生產過(guo)程中(zhong)交流接觸(chu)器(qi)的體(ti)積選擇(ze)(ze)不(bu)當，不(bu)同組(zu)的插座(zuo)控制(zhi)電路安裝了相同體(ti)積的交流接觸(chu)器(qi)，三相負載(zai)的差異(yi)不(bu)完全(quan)考(kao)慮過(guo)的。在(zai)平衡狀態下，不(bu)能(neng)在(zai)所有正常模型中(zhong)選擇(ze)(ze)某些(xie)組(zu)的輸(shu)出交流接觸(chu)器(qi)的電流水平。基本(ben)上，電流水平是通過(guo)一個步驟(zou)選擇(ze)(ze)的，該(gai)步驟(zou)會導致交流接觸(chu)器(qi)在(zai)高(gao)溫天氣(qi)下運行期間(jian)燒(shao)斷。

根據電(dian)(dian)(dian)(dian)(dian)(dian)氣設(she)備的(de)接(jie)線(xian)規定，接(jie)線(xian)盒(he)可(ke)安裝在(zai)封(feng)閉或(huo)半封(feng)閉的(de)金屬(shu)外殼中(zhong)或(huo)屏幕上，以形成配電(dian)(dian)(dian)(dian)(dian)(dian)室(shi)設(she)備。如果一(yi)切正(zheng)常(chang)，可(ke)以使用手或(huo)控制開關連接(jie)或(huo)斷(duan)開電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)路。常(chang)見的(de)錯(cuo)誤(wu)或(huo)異常(chang)取(qu)決于家用電(dian)(dian)(dian)(dian)(dian)(dian)器的(de)維護，以斷(duan)開電(dian)(dian)(dian)(dian)(dian)(dian)路或(huo)警(jing)報。識(shi)別儀可(ke)以在(zai)信息模式下(xia)顯(xian)示各種(zhong)主要(yao)參數(shu)，還可(ke)以調整(zheng)某些電(dian)(dian)(dian)(dian)(dian)(dian)氣設(she)備的(de)主要(yao)參數(shu)，并(bing)提醒(xing)或(huo)發(fa)出所有正(zheng)常(chang)工作設(she)置的(de)偏(pian)差信號。常(chang)用于發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)，配電(dian)(dian)(dian)(dian)(dian)(dian)和(he)變電(dian)(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。高壓配電柜用作電壓(ya)(ya)等(deng)級在3.6 kV~550 kV的電氣產品作為高(gao)(gao)(gao)壓(ya)(ya)隔離開關(guan)，有(you)接地(di)開關(guan)，高(gao)(gao)(gao)壓(ya)(ya)斷路器(qi)，自動高(gao)(gao)(gao)壓(ya)(ya)重(zhong)合和斷開裝置，高(gao)(gao)(gao)壓(ya)(ya)操(cao)作機構，防爆高(gao)(gao)(gao)壓(ya)(ya)配電裝置和高(gao)(gao)(gao)壓(ya)(ya)開關(guan)柜(ju)(ju)等(deng)不同類別。通常(chang)，連接到(dao)系(xi)統(tong)(tong)主(zhu)母線(xian)的電容器(qi)柜(ju)(ju)用于中央(yang)無功功率補償，并(bing)(bing)且通常(chang)與輸入(ru)柜(ju)(ju)并(bing)(bing)聯安裝（系(xi)統(tong)(tong)具有(you)PT柜(ju)(ju)，應為高(gao)(gao)(gao)壓(ya)(ya)系(xi)統(tong)(tong)，而低(di)(di)壓(ya)(ya)系(xi)統(tong)(tong)沒有(you)PT柜(ju)(ju)- PT柜(ju)(ju)相(xiang)當于降低(di)(di)變壓(ya)(ya)器(qi)，只(zhi)需要低(di)(di)壓(ya)(ya)變壓(ya)(ya)器(qi)，但是電容器(qi)柜(ju)(ju)很少用于高(gao)(gao)(gao)壓(ya)(ya)系(xi)統(tong)(tong)中，并(bing)(bing)且高(gao)(gao)(gao)壓(ya)(ya)電容器(qi)很難制造，并(bing)(bing)且通常(chang)在低(di)(di)壓(ya)(ya)側(ce)進行集(ji)中補償。