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中(zhong)電氣(qi)設備選擇不(bu)當造成的(de)(de)常見錯誤:生產過程中(zhong)交流(liu)接(jie)觸(chu)器的(de)(de)體(ti)積(ji)選擇不(bu)當,不(bu)同組的(de)(de)插座控(kong)制電路安裝(zhuang)了相(xiang)同體(ti)積(ji)的(de)(de)交流(liu)接(jie)觸(chu)器,三相(xiang)負載的(de)(de)差異不(bu)完全考(kao)慮過的(de)(de)。在(zai)平衡狀態下(xia)(xia),不(bu)能(neng)在(zai)所有正常模(mo)型(xing)中(zhong)選擇某些組的(de)(de)輸出交流(liu)接(jie)觸(chu)器的(de)(de)電流(liu)水平。基本上(shang),電流(liu)水平是(shi)通過一(yi)個步驟(zou)選擇的(de)(de),該步驟(zou)會導致交流(liu)接(jie)觸(chu)器在(zai)高溫天氣(qi)下(xia)(xia)運行期間(jian)燒斷。
根據電(dian)(dian)(dian)(dian)氣設備的(de)(de)接線規(gui)定(ding),接線盒可(ke)安裝(zhuang)在封(feng)閉或(huo)(huo)半封(feng)閉的(de)(de)金屬外(wai)殼中或(huo)(huo)屏幕上,以形成配電(dian)(dian)(dian)(dian)室(shi)設備。如(ru)果一切正(zheng)常,可(ke)以使用(yong)手或(huo)(huo)控制開(kai)關連(lian)接或(huo)(huo)斷開(kai)電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)路(lu)。常見(jian)的(de)(de)錯誤(wu)或(huo)(huo)異(yi)常取決于(yu)家(jia)用(yong)電(dian)(dian)(dian)(dian)器(qi)的(de)(de)維護,以斷開(kai)電(dian)(dian)(dian)(dian)路(lu)或(huo)(huo)警(jing)報(bao)。識別儀可(ke)以在信息模(mo)式下顯示(shi)各種主要參(can)數,還可(ke)以調整某(mou)些電(dian)(dian)(dian)(dian)氣設備的(de)(de)主要參(can)數,并提醒或(huo)(huo)發(fa)出(chu)所有(you)正(zheng)常工作設置(zhi)的(de)(de)偏差信號。常用(yong)于(yu)發(fa)電(dian)(dian)(dian)(dian),配電(dian)(dian)(dian)(dian)和變電(dian)(dian)(dian)(dian)站(zhan)。
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(zuo)電壓(ya)(ya)(ya)等級在3.6 kV~550 kV的(de)電氣產(chan)品(pin)作(zuo)為高(gao)(gao)壓(ya)(ya)(ya)隔離(li)開(kai)關,有(you)接地開(kai)關,高(gao)(gao)壓(ya)(ya)(ya)斷路器(qi)(qi),自(zi)動高(gao)(gao)壓(ya)(ya)(ya)重合(he)和斷開(kai)裝(zhuang)(zhuang)置(zhi),高(gao)(gao)壓(ya)(ya)(ya)操作(zuo)機構,防爆高(gao)(gao)壓(ya)(ya)(ya)配電裝(zhuang)(zhuang)置(zhi)和高(gao)(gao)壓(ya)(ya)(ya)開(kai)關柜等不同類別。通常(chang)(chang),連接到系(xi)統(tong)主(zhu)母線的(de)電容(rong)器(qi)(qi)柜用(yong)于中央無功功率(lv)補償,并(bing)且通常(chang)(chang)與(yu)輸入(ru)柜并(bing)聯安裝(zhuang)(zhuang)(系(xi)統(tong)具有(you)PT柜,應為高(gao)(gao)壓(ya)(ya)(ya)系(xi)統(tong),而低壓(ya)(ya)(ya)系(xi)統(tong)沒有(you)PT柜- PT柜相當于降低變壓(ya)(ya)(ya)器(qi)(qi),只需(xu)要低壓(ya)(ya)(ya)變壓(ya)(ya)(ya)器(qi)(qi),但是電容(rong)器(qi)(qi)柜很(hen)少用(yong)于高(gao)(gao)壓(ya)(ya)(ya)系(xi)統(tong)中,并(bing)且高(gao)(gao)壓(ya)(ya)(ya)電容(rong)器(qi)(qi)很(hen)難制造,并(bing)且通常(chang)(chang)在低壓(ya)(ya)(ya)側進(jin)行集(ji)中補償。