中(zhong)電氣(qi)設備選(xuan)擇不(bu)當造成的(de)(de)常(chang)見錯(cuo)誤：生產過程(cheng)中(zhong)交(jiao)流(liu)接觸器(qi)的(de)(de)體(ti)積選(xuan)擇不(bu)當，不(bu)同(tong)(tong)組的(de)(de)插座控制電路安(an)裝了相同(tong)(tong)體(ti)積的(de)(de)交(jiao)流(liu)接觸器(qi)，三(san)相負載的(de)(de)差異不(bu)完全考慮(lv)過的(de)(de)。在(zai)平衡(heng)狀態下(xia)，不(bu)能(neng)在(zai)所有正常(chang)模型中(zhong)選(xuan)擇某些組的(de)(de)輸出(chu)交(jiao)流(liu)接觸器(qi)的(de)(de)電流(liu)水平。基(ji)本上，電流(liu)水平是通過一個步(bu)驟(zou)選(xuan)擇的(de)(de)，該步(bu)驟(zou)會導致交(jiao)流(liu)接觸器(qi)在(zai)高溫天氣(qi)下(xia)運(yun)行期間燒斷。

根據電(dian)(dian)(dian)氣設(she)(she)備(bei)(bei)的(de)接線(xian)規定(ding)，接線(xian)盒(he)可安裝在封(feng)閉或(huo)(huo)半(ban)封(feng)閉的(de)金屬外殼中或(huo)(huo)屏幕上，以(yi)(yi)形(xing)成配電(dian)(dian)(dian)室設(she)(she)備(bei)(bei)。如果(guo)一切正(zheng)常，可以(yi)(yi)使(shi)用(yong)手或(huo)(huo)控(kong)制(zhi)開關(guan)連接或(huo)(huo)斷開電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)路。常見(jian)的(de)錯誤或(huo)(huo)異常取決于(yu)家用(yong)電(dian)(dian)(dian)器的(de)維護(hu)，以(yi)(yi)斷開電(dian)(dian)(dian)路或(huo)(huo)警報。識別儀可以(yi)(yi)在信息模式下顯示各種主要參數，還(huan)可以(yi)(yi)調(diao)整某(mou)些電(dian)(dian)(dian)氣設(she)(she)備(bei)(bei)的(de)主要參數，并提醒(xing)或(huo)(huo)發出所有(you)正(zheng)常工作設(she)(she)置的(de)偏差信號。常用(yong)于(yu)發電(dian)(dian)(dian)，配電(dian)(dian)(dian)和變(bian)電(dian)(dian)(dian)站(zhan)。

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)(dian)壓(ya)(ya)(ya)(ya)(ya)等(deng)級在(zai)3.6 kV~550 kV的電(dian)(dian)(dian)氣產品作(zuo)為高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)隔(ge)離開(kai)關(guan)(guan)(guan)，有(you)接地(di)開(kai)關(guan)(guan)(guan)，高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)斷路器(qi)，自動(dong)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)重合和(he)斷開(kai)裝(zhuang)置，高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)操作(zuo)機構，防(fang)爆高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)配電(dian)(dian)(dian)裝(zhuang)置和(he)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)開(kai)關(guan)(guan)(guan)柜(ju)等(deng)不(bu)同類別。通常，連(lian)接到系統(tong)主母線的電(dian)(dian)(dian)容器(qi)柜(ju)用于(yu)中(zhong)央無(wu)功功率(lv)補償，并(bing)(bing)且(qie)通常與輸(shu)入柜(ju)并(bing)(bing)聯安裝(zhuang)（系統(tong)具有(you)PT柜(ju)，應為高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)系統(tong)，而低(di)壓(ya)(ya)(ya)(ya)(ya)系統(tong)沒有(you)PT柜(ju)- PT柜(ju)相當于(yu)降(jiang)低(di)變(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)，只需要低(di)壓(ya)(ya)(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)，但是電(dian)(dian)(dian)容器(qi)柜(ju)很少用于(yu)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)系統(tong)中(zhong)，并(bing)(bing)且(qie)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)容器(qi)很難制造，并(bing)(bing)且(qie)通常在(zai)低(di)壓(ya)(ya)(ya)(ya)(ya)側進行集中(zhong)補償。