中(zhong)(zhong)電(dian)氣設備選擇(ze)不當(dang)造成(cheng)的常(chang)見錯誤：生產過(guo)程中(zhong)(zhong)交流接(jie)觸(chu)(chu)器(qi)(qi)的體(ti)積(ji)(ji)選擇(ze)不當(dang)，不同(tong)組(zu)的插座(zuo)控制電(dian)路(lu)安裝了相同(tong)體(ti)積(ji)(ji)的交流接(jie)觸(chu)(chu)器(qi)(qi)，三相負載的差異(yi)不完全考慮過(guo)的。在(zai)(zai)(zai)平衡狀(zhuang)態(tai)下，不能在(zai)(zai)(zai)所有正常(chang)模型中(zhong)(zhong)選擇(ze)某(mou)些(xie)組(zu)的輸(shu)出(chu)交流接(jie)觸(chu)(chu)器(qi)(qi)的電(dian)流水平。基(ji)本上，電(dian)流水平是通過(guo)一個步驟選擇(ze)的，該(gai)步驟會(hui)導致交流接(jie)觸(chu)(chu)器(qi)(qi)在(zai)(zai)(zai)高溫天氣下運行期間燒(shao)斷。

根據電(dian)(dian)氣(qi)(qi)設(she)備(bei)的(de)接(jie)(jie)線(xian)(xian)規定(ding)，接(jie)(jie)線(xian)(xian)盒可(ke)安裝(zhuang)在(zai)封閉或(huo)(huo)(huo)半(ban)封閉的(de)金屬(shu)外殼中或(huo)(huo)(huo)屏(ping)幕上，以(yi)形成配(pei)(pei)電(dian)(dian)室(shi)設(she)備(bei)。如果一(yi)切正常(chang)，可(ke)以(yi)使用(yong)手(shou)或(huo)(huo)(huo)控制開關連接(jie)(jie)或(huo)(huo)(huo)斷開電(dian)(dian)源電(dian)(dian)路。常(chang)見(jian)的(de)錯誤或(huo)(huo)(huo)異常(chang)取決于家用(yong)電(dian)(dian)器的(de)維(wei)護(hu)，以(yi)斷開電(dian)(dian)路或(huo)(huo)(huo)警報(bao)。識別儀可(ke)以(yi)在(zai)信(xin)息模式下顯示各種主(zhu)(zhu)要(yao)參(can)數(shu)，還(huan)可(ke)以(yi)調(diao)整某些(xie)電(dian)(dian)氣(qi)(qi)設(she)備(bei)的(de)主(zhu)(zhu)要(yao)參(can)數(shu)，并提醒或(huo)(huo)(huo)發(fa)出(chu)所有正常(chang)工作設(she)置(zhi)的(de)偏(pian)差信(xin)號。常(chang)用(yong)于發(fa)電(dian)(dian)，配(pei)(pei)電(dian)(dian)和(he)變電(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(zuo)電(dian)(dian)壓(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的電(dian)(dian)氣產品(pin)作(zuo)為高(gao)壓(ya)(ya)(ya)隔離開(kai)(kai)關(guan)，有(you)接(jie)地開(kai)(kai)關(guan)，高(gao)壓(ya)(ya)(ya)斷路器，自(zi)動高(gao)壓(ya)(ya)(ya)重(zhong)合和斷開(kai)(kai)裝(zhuang)置，高(gao)壓(ya)(ya)(ya)操作(zuo)機構，防爆(bao)高(gao)壓(ya)(ya)(ya)配(pei)電(dian)(dian)裝(zhuang)置和高(gao)壓(ya)(ya)(ya)開(kai)(kai)關(guan)柜(ju)等(deng)不同類別。通常(chang)(chang)，連接(jie)到系統(tong)主母線的電(dian)(dian)容(rong)(rong)器柜(ju)用于中(zhong)央無(wu)功(gong)功(gong)率補償，并(bing)且通常(chang)(chang)與輸(shu)入柜(ju)并(bing)聯(lian)安裝(zhuang)（系統(tong)具有(you)PT柜(ju)，應為高(gao)壓(ya)(ya)(ya)系統(tong)，而低(di)(di)壓(ya)(ya)(ya)系統(tong)沒有(you)PT柜(ju)- PT柜(ju)相當于降低(di)(di)變(bian)壓(ya)(ya)(ya)器，只需要(yao)低(di)(di)壓(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)器，但(dan)是電(dian)(dian)容(rong)(rong)器柜(ju)很(hen)少用于高(gao)壓(ya)(ya)(ya)系統(tong)中(zhong)，并(bing)且高(gao)壓(ya)(ya)(ya)電(dian)(dian)容(rong)(rong)器很(hen)難制(zhi)造(zao)，并(bing)且通常(chang)(chang)在低(di)(di)壓(ya)(ya)(ya)側進行集中(zhong)補償。