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中(zhong)電氣(qi)(qi)設備(bei)選(xuan)擇不當造成(cheng)的(de)常見錯(cuo)誤:生產過(guo)程中(zhong)交流(liu)接觸(chu)器的(de)體積選(xuan)擇不當,不同組的(de)插座控制電路安裝了相同體積的(de)交流(liu)接觸(chu)器,三相負載的(de)差異不完全考(kao)慮過(guo)的(de)。在(zai)平(ping)衡狀態下,不能在(zai)所有正常模型中(zhong)選(xuan)擇某些組的(de)輸出交流(liu)接觸(chu)器的(de)電流(liu)水平(ping)。基本(ben)上,電流(liu)水平(ping)是(shi)通過(guo)一個步驟(zou)選(xuan)擇的(de),該步驟(zou)會導(dao)致交流(liu)接觸(chu)器在(zai)高溫天氣(qi)(qi)下運行期間燒(shao)斷。
根據電(dian)(dian)氣設(she)備(bei)的(de)(de)接(jie)線(xian)規定,接(jie)線(xian)盒可(ke)(ke)安(an)裝在封閉(bi)或(huo)半封閉(bi)的(de)(de)金屬外(wai)殼中或(huo)屏幕上,以(yi)(yi)形(xing)成(cheng)配(pei)電(dian)(dian)室設(she)備(bei)。如(ru)果一切正(zheng)常(chang),可(ke)(ke)以(yi)(yi)使用(yong)手或(huo)控制開關連接(jie)或(huo)斷開電(dian)(dian)源電(dian)(dian)路(lu)。常(chang)見(jian)的(de)(de)錯誤或(huo)異常(chang)取決(jue)于(yu)家(jia)用(yong)電(dian)(dian)器的(de)(de)維護,以(yi)(yi)斷開電(dian)(dian)路(lu)或(huo)警報。識(shi)別儀可(ke)(ke)以(yi)(yi)在信(xin)息模式(shi)下顯示(shi)各種主要參數,還可(ke)(ke)以(yi)(yi)調整某(mou)些電(dian)(dian)氣設(she)備(bei)的(de)(de)主要參數,并(bing)提(ti)醒或(huo)發(fa)出(chu)所(suo)有正(zheng)常(chang)工(gong)作設(she)置的(de)(de)偏差信(xin)號。常(chang)用(yong)于(yu)發(fa)電(dian)(dian),配(pei)電(dian)(dian)和變電(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。高壓配電柜用作電壓(ya)(ya)(ya)(ya)等級在3.6 kV~550 kV的電氣產品作為高(gao)(gao)壓(ya)(ya)(ya)(ya)隔離開(kai)關(guan)(guan),有接地開(kai)關(guan)(guan),高(gao)(gao)壓(ya)(ya)(ya)(ya)斷路(lu)器,自動高(gao)(gao)壓(ya)(ya)(ya)(ya)重合和斷開(kai)裝(zhuang)置,高(gao)(gao)壓(ya)(ya)(ya)(ya)操(cao)作機構,防爆(bao)高(gao)(gao)壓(ya)(ya)(ya)(ya)配電裝(zhuang)置和高(gao)(gao)壓(ya)(ya)(ya)(ya)開(kai)關(guan)(guan)柜(ju)(ju)等不同類別(bie)。通(tong)常(chang),連(lian)接到系(xi)統(tong)(tong)(tong)主母線(xian)的電容器柜(ju)(ju)用于中(zhong)央(yang)無功功率補償(chang),并(bing)且(qie)通(tong)常(chang)與輸(shu)入柜(ju)(ju)并(bing)聯(lian)安(an)裝(zhuang)(系(xi)統(tong)(tong)(tong)具有PT柜(ju)(ju),應為高(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong),而低(di)壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong)沒有PT柜(ju)(ju)- PT柜(ju)(ju)相(xiang)當于降低(di)變壓(ya)(ya)(ya)(ya)器,只需要低(di)壓(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)器,但是電容器柜(ju)(ju)很(hen)少用于高(gao)(gao)壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)(tong)中(zhong),并(bing)且(qie)高(gao)(gao)壓(ya)(ya)(ya)(ya)電容器很(hen)難制造,并(bing)且(qie)通(tong)常(chang)在低(di)壓(ya)(ya)(ya)(ya)側進行集中(zhong)補償(chang)。