中電氣(qi)設備選(xuan)擇不當造成的(de)常見錯(cuo)誤：生產過(guo)程中交流(liu)接(jie)觸器的(de)體積選(xuan)擇不當，不同(tong)組(zu)的(de)插座控制電路安裝了相同(tong)體積的(de)交流(liu)接(jie)觸器，三(san)相負(fu)載的(de)差(cha)異不完全考(kao)慮過(guo)的(de)。在(zai)平(ping)衡狀態(tai)下(xia)，不能在(zai)所有(you)正常模型(xing)中選(xuan)擇某些組(zu)的(de)輸出交流(liu)接(jie)觸器的(de)電流(liu)水(shui)平(ping)。基本上，電流(liu)水(shui)平(ping)是(shi)通過(guo)一(yi)個步(bu)驟(zou)選(xuan)擇的(de)，該步(bu)驟(zou)會導(dao)致交流(liu)接(jie)觸器在(zai)高溫天(tian)氣(qi)下(xia)運行期間(jian)燒(shao)斷(duan)。

根據電(dian)(dian)(dian)氣設備(bei)的(de)接線規定(ding)，接線盒可(ke)(ke)安裝(zhuang)在(zai)封閉或(huo)半封閉的(de)金屬(shu)外殼中或(huo)屏幕上，以(yi)(yi)形成配電(dian)(dian)(dian)室設備(bei)。如(ru)果(guo)一切正常(chang)，可(ke)(ke)以(yi)(yi)使用(yong)手或(huo)控制開(kai)關(guan)連接或(huo)斷開(kai)電(dian)(dian)(dian)源電(dian)(dian)(dian)路。常(chang)見的(de)錯誤或(huo)異常(chang)取(qu)決于家用(yong)電(dian)(dian)(dian)器的(de)維護，以(yi)(yi)斷開(kai)電(dian)(dian)(dian)路或(huo)警(jing)報。識別(bie)儀可(ke)(ke)以(yi)(yi)在(zai)信(xin)息模式下顯示各種主(zhu)要參(can)數(shu)，還可(ke)(ke)以(yi)(yi)調整某些(xie)電(dian)(dian)(dian)氣設備(bei)的(de)主(zhu)要參(can)數(shu)，并(bing)提醒或(huo)發出所有正常(chang)工作設置(zhi)的(de)偏差信(xin)號。常(chang)用(yong)于發電(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。高壓配電柜用作電(dian)壓(ya)(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的(de)(de)電(dian)氣(qi)產品作為(wei)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)隔離開關，有(you)(you)接地開關，高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)斷(duan)路器(qi)，自(zi)動高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)重合(he)和(he)斷(duan)開裝置，高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)操作機構，防(fang)爆高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)配電(dian)裝置和(he)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)開關柜(ju)(ju)(ju)等(deng)不同(tong)類別。通常，連(lian)接到系(xi)(xi)(xi)統(tong)(tong)主母線(xian)的(de)(de)電(dian)容(rong)(rong)器(qi)柜(ju)(ju)(ju)用于中(zhong)央無功(gong)功(gong)率補償，并(bing)且(qie)通常與輸入(ru)柜(ju)(ju)(ju)并(bing)聯安裝（系(xi)(xi)(xi)統(tong)(tong)具有(you)(you)PT柜(ju)(ju)(ju)，應為(wei)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)(xi)(xi)統(tong)(tong)，而低壓(ya)(ya)(ya)(ya)系(xi)(xi)(xi)統(tong)(tong)沒(mei)有(you)(you)PT柜(ju)(ju)(ju)- PT柜(ju)(ju)(ju)相(xiang)當(dang)于降低變(bian)壓(ya)(ya)(ya)(ya)器(qi)，只需要低壓(ya)(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)(ya)器(qi)，但是電(dian)容(rong)(rong)器(qi)柜(ju)(ju)(ju)很少用于高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)(xi)(xi)統(tong)(tong)中(zhong)，并(bing)且(qie)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)電(dian)容(rong)(rong)器(qi)很難制(zhi)造，并(bing)且(qie)通常在低壓(ya)(ya)(ya)(ya)側(ce)進行集中(zhong)補償。