中(zhong)(zhong)電(dian)(dian)氣設備選擇(ze)不(bu)當造成(cheng)的(de)常(chang)見錯誤：生(sheng)產過程中(zhong)(zhong)交(jiao)流接(jie)觸器(qi)的(de)體(ti)積(ji)選擇(ze)不(bu)當，不(bu)同組的(de)插座控制電(dian)(dian)路(lu)安裝了相同體(ti)積(ji)的(de)交(jiao)流接(jie)觸器(qi)，三相負(fu)載的(de)差(cha)異不(bu)完全考慮過的(de)。在(zai)平(ping)衡(heng)狀(zhuang)態下，不(bu)能(neng)在(zai)所有(you)正常(chang)模型(xing)中(zhong)(zhong)選擇(ze)某些組的(de)輸出交(jiao)流接(jie)觸器(qi)的(de)電(dian)(dian)流水平(ping)。基(ji)本上，電(dian)(dian)流水平(ping)是通過一個步驟(zou)選擇(ze)的(de)，該步驟(zou)會導致交(jiao)流接(jie)觸器(qi)在(zai)高(gao)溫(wen)天氣下運行期間燒(shao)斷。

根據電(dian)氣(qi)設(she)備(bei)的(de)接線(xian)規定(ding)，接線(xian)盒可安裝在(zai)封(feng)閉或(huo)(huo)半(ban)封(feng)閉的(de)金屬外殼(ke)中或(huo)(huo)屏幕上(shang)，以形成配電(dian)室設(she)備(bei)。如(ru)果一(yi)切正常，可以使用(yong)(yong)手或(huo)(huo)控制開(kai)關連接或(huo)(huo)斷開(kai)電(dian)源(yuan)電(dian)路。常見的(de)錯誤或(huo)(huo)異(yi)常取(qu)決(jue)于家用(yong)(yong)電(dian)器的(de)維護，以斷開(kai)電(dian)路或(huo)(huo)警(jing)報。識別儀可以在(zai)信息模式下顯示各(ge)種主要(yao)參數，還(huan)可以調整(zheng)某些電(dian)氣(qi)設(she)備(bei)的(de)主要(yao)參數，并提醒或(huo)(huo)發出(chu)所有正常工作設(she)置(zhi)的(de)偏差(cha)信號(hao)。常用(yong)(yong)于發電(dian)，配電(dian)和變電(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)作電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的(de)電(dian)(dian)氣(qi)產(chan)品作為高壓(ya)(ya)(ya)(ya)(ya)隔離(li)開(kai)關(guan)，有(you)接地開(kai)關(guan)，高壓(ya)(ya)(ya)(ya)(ya)斷路器，自動高壓(ya)(ya)(ya)(ya)(ya)重合(he)和(he)斷開(kai)裝置，高壓(ya)(ya)(ya)(ya)(ya)操作機構(gou)，防爆高壓(ya)(ya)(ya)(ya)(ya)配電(dian)(dian)裝置和(he)高壓(ya)(ya)(ya)(ya)(ya)開(kai)關(guan)柜(ju)(ju)(ju)等(deng)不同類別(bie)。通(tong)常(chang)，連接到系(xi)(xi)(xi)統(tong)(tong)(tong)主母線(xian)的(de)電(dian)(dian)容(rong)(rong)器柜(ju)(ju)(ju)用(yong)于中央無功(gong)功(gong)率(lv)補償，并且(qie)通(tong)常(chang)與輸入(ru)柜(ju)(ju)(ju)并聯安裝（系(xi)(xi)(xi)統(tong)(tong)(tong)具有(you)PT柜(ju)(ju)(ju)，應為高壓(ya)(ya)(ya)(ya)(ya)系(xi)(xi)(xi)統(tong)(tong)(tong)，而低壓(ya)(ya)(ya)(ya)(ya)系(xi)(xi)(xi)統(tong)(tong)(tong)沒(mei)有(you)PT柜(ju)(ju)(ju)- PT柜(ju)(ju)(ju)相當于降(jiang)低變壓(ya)(ya)(ya)(ya)(ya)器，只(zhi)需(xu)要低壓(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)器，但是(shi)電(dian)(dian)容(rong)(rong)器柜(ju)(ju)(ju)很(hen)少用(yong)于高壓(ya)(ya)(ya)(ya)(ya)系(xi)(xi)(xi)統(tong)(tong)(tong)中，并且(qie)高壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)容(rong)(rong)器很(hen)難制造，并且(qie)通(tong)常(chang)在低壓(ya)(ya)(ya)(ya)(ya)側進(jin)行集中補償。