中(zhong)電氣設(she)備選擇(ze)不當造成(cheng)的常(chang)見錯誤：生產過程中(zhong)交(jiao)(jiao)流(liu)(liu)(liu)接觸(chu)(chu)(chu)器的體(ti)積(ji)選擇(ze)不當，不同組(zu)的插座控制電路(lu)安裝(zhuang)了相(xiang)同體(ti)積(ji)的交(jiao)(jiao)流(liu)(liu)(liu)接觸(chu)(chu)(chu)器，三相(xiang)負載的差(cha)異不完全考(kao)慮過的。在平(ping)衡(heng)狀態下，不能在所有正常(chang)模(mo)型中(zhong)選擇(ze)某些組(zu)的輸出交(jiao)(jiao)流(liu)(liu)(liu)接觸(chu)(chu)(chu)器的電流(liu)(liu)(liu)水(shui)(shui)平(ping)。基(ji)本上，電流(liu)(liu)(liu)水(shui)(shui)平(ping)是通過一個(ge)步(bu)驟選擇(ze)的，該(gai)步(bu)驟會導(dao)致交(jiao)(jiao)流(liu)(liu)(liu)接觸(chu)(chu)(chu)器在高溫天氣下運行期間燒斷。

根據電(dian)(dian)(dian)(dian)(dian)(dian)氣設(she)備的接(jie)線規定(ding)，接(jie)線盒可(ke)(ke)安(an)裝在封閉(bi)或(huo)(huo)半封閉(bi)的金(jin)屬外(wai)殼中或(huo)(huo)屏(ping)幕(mu)上，以(yi)(yi)形成(cheng)配電(dian)(dian)(dian)(dian)(dian)(dian)室設(she)備。如果一(yi)切正(zheng)常(chang)，可(ke)(ke)以(yi)(yi)使(shi)用(yong)手或(huo)(huo)控制開關(guan)連接(jie)或(huo)(huo)斷開電(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)路。常(chang)見的錯誤或(huo)(huo)異常(chang)取決于家用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)器的維護，以(yi)(yi)斷開電(dian)(dian)(dian)(dian)(dian)(dian)路或(huo)(huo)警報。識別(bie)儀可(ke)(ke)以(yi)(yi)在信息模式下顯示(shi)各種(zhong)主要參(can)數，還(huan)可(ke)(ke)以(yi)(yi)調整某些電(dian)(dian)(dian)(dian)(dian)(dian)氣設(she)備的主要參(can)數，并提醒(xing)或(huo)(huo)發出(chu)所(suo)有正(zheng)常(chang)工作(zuo)設(she)置(zhi)的偏差(cha)信號。常(chang)用(yong)于發電(dian)(dian)(dian)(dian)(dian)(dian)，配電(dian)(dian)(dian)(dian)(dian)(dian)和變電(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)(ya)(ya)等(deng)級在3.6 kV~550 kV的電氣產(chan)品作為高(gao)(gao)壓(ya)(ya)(ya)(ya)隔離開(kai)(kai)關(guan)(guan)，有(you)接地開(kai)(kai)關(guan)(guan)，高(gao)(gao)壓(ya)(ya)(ya)(ya)斷路器，自動高(gao)(gao)壓(ya)(ya)(ya)(ya)重合和(he)(he)斷開(kai)(kai)裝(zhuang)置，高(gao)(gao)壓(ya)(ya)(ya)(ya)操作機構，防爆(bao)高(gao)(gao)壓(ya)(ya)(ya)(ya)配電裝(zhuang)置和(he)(he)高(gao)(gao)壓(ya)(ya)(ya)(ya)開(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)等(deng)不同類別。通常，連接到系統(tong)主(zhu)母線的電容(rong)(rong)器柜(ju)(ju)(ju)用于(yu)中(zhong)央無功功率補償，并且通常與輸(shu)入柜(ju)(ju)(ju)并聯(lian)安裝(zhuang)（系統(tong)具有(you)PT柜(ju)(ju)(ju)，應為高(gao)(gao)壓(ya)(ya)(ya)(ya)系統(tong)，而(er)低壓(ya)(ya)(ya)(ya)系統(tong)沒有(you)PT柜(ju)(ju)(ju)- PT柜(ju)(ju)(ju)相當于(yu)降低變壓(ya)(ya)(ya)(ya)器，只需要(yao)低壓(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)器，但是電容(rong)(rong)器柜(ju)(ju)(ju)很(hen)少用于(yu)高(gao)(gao)壓(ya)(ya)(ya)(ya)系統(tong)中(zhong)，并且高(gao)(gao)壓(ya)(ya)(ya)(ya)電容(rong)(rong)器很(hen)難制造，并且通常在低壓(ya)(ya)(ya)(ya)側(ce)進行(xing)集中(zhong)補償。