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中電氣設備選(xuan)擇(ze)不(bu)(bu)當造(zao)成的(de)常(chang)見錯(cuo)誤:生產過程中交流(liu)(liu)接觸器的(de)體(ti)積(ji)選(xuan)擇(ze)不(bu)(bu)當,不(bu)(bu)同組的(de)插座控制電路安裝(zhuang)了相同體(ti)積(ji)的(de)交流(liu)(liu)接觸器,三(san)相負載的(de)差異不(bu)(bu)完全考(kao)慮過的(de)。在(zai)(zai)平(ping)(ping)衡狀態下,不(bu)(bu)能(neng)在(zai)(zai)所有正常(chang)模型中選(xuan)擇(ze)某(mou)些組的(de)輸出(chu)交流(liu)(liu)接觸器的(de)電流(liu)(liu)水(shui)平(ping)(ping)。基(ji)本(ben)上,電流(liu)(liu)水(shui)平(ping)(ping)是通(tong)過一個(ge)步(bu)驟(zou)選(xuan)擇(ze)的(de),該(gai)步(bu)驟(zou)會導(dao)致(zhi)交流(liu)(liu)接觸器在(zai)(zai)高溫天(tian)氣下運行期間燒斷。
根據電(dian)(dian)氣(qi)設(she)備的(de)接線規(gui)定(ding),接線盒(he)可安(an)裝在封閉或半封閉的(de)金(jin)屬外殼中或屏(ping)幕上,以(yi)(yi)形成(cheng)配電(dian)(dian)室設(she)備。如果(guo)一切(qie)正常(chang)(chang)(chang),可以(yi)(yi)使用手或控制開(kai)關連接或斷(duan)開(kai)電(dian)(dian)源(yuan)電(dian)(dian)路(lu)。常(chang)(chang)(chang)見的(de)錯(cuo)誤或異常(chang)(chang)(chang)取決(jue)于(yu)家用電(dian)(dian)器(qi)的(de)維護,以(yi)(yi)斷(duan)開(kai)電(dian)(dian)路(lu)或警報。識別儀可以(yi)(yi)在信息模式(shi)下顯(xian)示(shi)各種主(zhu)要參數(shu),還可以(yi)(yi)調整某(mou)些電(dian)(dian)氣(qi)設(she)備的(de)主(zhu)要參數(shu),并提醒或發(fa)出所有(you)正常(chang)(chang)(chang)工作(zuo)設(she)置(zhi)的(de)偏差信號。常(chang)(chang)(chang)用于(yu)發(fa)電(dian)(dian),配電(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(yong)作(zuo)電(dian)壓(ya)(ya)(ya)(ya)(ya)等級在3.6 kV~550 kV的電(dian)氣產品作(zuo)為(wei)高壓(ya)(ya)(ya)(ya)(ya)隔離開(kai)關(guan),有(you)接(jie)地開(kai)關(guan),高壓(ya)(ya)(ya)(ya)(ya)斷(duan)路器(qi),自動高壓(ya)(ya)(ya)(ya)(ya)重合和(he)斷(duan)開(kai)裝置(zhi),高壓(ya)(ya)(ya)(ya)(ya)操作(zuo)機構,防爆(bao)高壓(ya)(ya)(ya)(ya)(ya)配電(dian)裝置(zhi)和(he)高壓(ya)(ya)(ya)(ya)(ya)開(kai)關(guan)柜(ju)(ju)等不同類(lei)別。通常,連(lian)接(jie)到(dao)系(xi)統(tong)主母線(xian)的電(dian)容(rong)器(qi)柜(ju)(ju)用(yong)于(yu)(yu)中央無(wu)功(gong)功(gong)率(lv)補償,并(bing)(bing)且通常與輸入(ru)柜(ju)(ju)并(bing)(bing)聯安裝(系(xi)統(tong)具有(you)PT柜(ju)(ju),應為(wei)高壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong),而低(di)壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)沒有(you)PT柜(ju)(ju)- PT柜(ju)(ju)相(xiang)當于(yu)(yu)降低(di)變壓(ya)(ya)(ya)(ya)(ya)器(qi),只(zhi)需要低(di)壓(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)器(qi),但是電(dian)容(rong)器(qi)柜(ju)(ju)很少用(yong)于(yu)(yu)高壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)中,并(bing)(bing)且高壓(ya)(ya)(ya)(ya)(ya)電(dian)容(rong)器(qi)很難(nan)制(zhi)造,并(bing)(bing)且通常在低(di)壓(ya)(ya)(ya)(ya)(ya)側進行(xing)集中補償。