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中電氣設備選(xuan)擇不(bu)當(dang)造(zao)成的(de)常見錯誤:生產過(guo)程中交流(liu)接(jie)觸器(qi)(qi)的(de)體積選(xuan)擇不(bu)當(dang),不(bu)同組(zu)的(de)插(cha)座控制電路安裝了相同體積的(de)交流(liu)接(jie)觸器(qi)(qi),三相負載的(de)差異不(bu)完全考慮過(guo)的(de)。在(zai)平衡狀態下(xia),不(bu)能在(zai)所有正常模型(xing)中選(xuan)擇某些組(zu)的(de)輸出(chu)交流(liu)接(jie)觸器(qi)(qi)的(de)電流(liu)水平。基本上(shang),電流(liu)水平是通(tong)過(guo)一(yi)個步驟選(xuan)擇的(de),該(gai)步驟會導致(zhi)交流(liu)接(jie)觸器(qi)(qi)在(zai)高溫(wen)天氣下(xia)運行期間燒斷。
根據電(dian)(dian)氣設備(bei)的(de)(de)接(jie)線(xian)規(gui)定(ding),接(jie)線(xian)盒(he)可(ke)(ke)安(an)裝(zhuang)在(zai)封閉(bi)或半封閉(bi)的(de)(de)金屬外殼中或屏幕上,以(yi)(yi)形成配電(dian)(dian)室(shi)設備(bei)。如果一切(qie)正常(chang)(chang)(chang),可(ke)(ke)以(yi)(yi)使(shi)用(yong)手或控(kong)制開(kai)關連(lian)接(jie)或斷(duan)開(kai)電(dian)(dian)源電(dian)(dian)路。常(chang)(chang)(chang)見的(de)(de)錯誤或異常(chang)(chang)(chang)取決于家用(yong)電(dian)(dian)器的(de)(de)維護,以(yi)(yi)斷(duan)開(kai)電(dian)(dian)路或警報(bao)。識別儀可(ke)(ke)以(yi)(yi)在(zai)信(xin)息模式下顯示各種主要參(can)數(shu)(shu),還可(ke)(ke)以(yi)(yi)調整某些電(dian)(dian)氣設備(bei)的(de)(de)主要參(can)數(shu)(shu),并提醒或發(fa)出(chu)所有正常(chang)(chang)(chang)工作(zuo)設置的(de)(de)偏差信(xin)號。常(chang)(chang)(chang)用(yong)于發(fa)電(dian)(dian),配電(dian)(dian)和(he)變電(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)作電(dian)壓(ya)(ya)(ya)(ya)(ya)等級(ji)在3.6 kV~550 kV的(de)電(dian)氣(qi)產(chan)品作為高(gao)壓(ya)(ya)(ya)(ya)(ya)隔離開關,有(you)接地開關,高(gao)壓(ya)(ya)(ya)(ya)(ya)斷路器(qi),自動(dong)高(gao)壓(ya)(ya)(ya)(ya)(ya)重合和斷開裝置,高(gao)壓(ya)(ya)(ya)(ya)(ya)操作機構,防(fang)爆(bao)高(gao)壓(ya)(ya)(ya)(ya)(ya)配電(dian)裝置和高(gao)壓(ya)(ya)(ya)(ya)(ya)開關柜等不同類別。通常,連接到系(xi)統(tong)主母線的(de)電(dian)容(rong)器(qi)柜用(yong)于(yu)中(zhong)央(yang)無功功率補償(chang),并(bing)(bing)且(qie)通常與(yu)輸入柜并(bing)(bing)聯安裝(系(xi)統(tong)具有(you)PT柜,應為高(gao)壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong),而低壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)沒(mei)有(you)PT柜- PT柜相(xiang)當于(yu)降低變壓(ya)(ya)(ya)(ya)(ya)器(qi),只需要低壓(ya)(ya)(ya)(ya)(ya)變壓(ya)(ya)(ya)(ya)(ya)器(qi),但(dan)是電(dian)容(rong)器(qi)柜很少用(yong)于(yu)高(gao)壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)中(zhong),并(bing)(bing)且(qie)高(gao)壓(ya)(ya)(ya)(ya)(ya)電(dian)容(rong)器(qi)很難制造,并(bing)(bing)且(qie)通常在低壓(ya)(ya)(ya)(ya)(ya)側進行集中(zhong)補償(chang)。