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中(zhong)電氣(qi)設備選擇不當(dang)造成的(de)(de)常見錯誤:生(sheng)產過程中(zhong)交流(liu)接觸(chu)器的(de)(de)體(ti)積選擇不當(dang),不同組的(de)(de)插座控制電路安裝了相同體(ti)積的(de)(de)交流(liu)接觸(chu)器,三相負載(zai)的(de)(de)差異不完全考(kao)慮過的(de)(de)。在平(ping)衡(heng)狀態下,不能在所有正常模型中(zhong)選擇某些組的(de)(de)輸出(chu)交流(liu)接觸(chu)器的(de)(de)電流(liu)水(shui)平(ping)。基本上,電流(liu)水(shui)平(ping)是通過一個步驟選擇的(de)(de),該步驟會導致交流(liu)接觸(chu)器在高溫天氣(qi)下運行期間燒斷。
根據(ju)電(dian)(dian)氣設備的接線規定(ding),接線盒可(ke)安裝在(zai)封閉或(huo)半封閉的金(jin)屬(shu)外殼中或(huo)屏幕上,以形成(cheng)配電(dian)(dian)室設備。如果一切正常,可(ke)以使(shi)用手或(huo)控制開(kai)關連接或(huo)斷(duan)開(kai)電(dian)(dian)源電(dian)(dian)路(lu)。常見的錯誤(wu)或(huo)異(yi)常取決于(yu)家用電(dian)(dian)器的維護,以斷(duan)開(kai)電(dian)(dian)路(lu)或(huo)警報。識別儀可(ke)以在(zai)信息(xi)模式下顯示各種主要(yao)參數,還(huan)可(ke)以調整某(mou)些電(dian)(dian)氣設備的主要(yao)參數,并(bing)提醒或(huo)發(fa)出所有正常工(gong)作設置的偏(pian)差信號。常用于(yu)發(fa)電(dian)(dian),配電(dian)(dian)和(he)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)(yong)作(zuo)電(dian)壓(ya)(ya)(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的(de)電(dian)氣產(chan)品作(zuo)為高(gao)壓(ya)(ya)(ya)(ya)(ya)隔離(li)開(kai)(kai)關,有接地開(kai)(kai)關,高(gao)壓(ya)(ya)(ya)(ya)(ya)斷路器,自動(dong)高(gao)壓(ya)(ya)(ya)(ya)(ya)重合和斷開(kai)(kai)裝置,高(gao)壓(ya)(ya)(ya)(ya)(ya)操作(zuo)機構,防爆高(gao)壓(ya)(ya)(ya)(ya)(ya)配電(dian)裝置和高(gao)壓(ya)(ya)(ya)(ya)(ya)開(kai)(kai)關柜(ju)等(deng)不(bu)同類(lei)別。通常,連接到系統主母(mu)線(xian)的(de)電(dian)容(rong)(rong)器柜(ju)用(yong)(yong)于(yu)(yu)中(zhong)央無(wu)功功率補償,并(bing)且(qie)通常與輸(shu)入柜(ju)并(bing)聯安裝(系統具有PT柜(ju),應為高(gao)壓(ya)(ya)(ya)(ya)(ya)系統,而低(di)(di)壓(ya)(ya)(ya)(ya)(ya)系統沒有PT柜(ju)- PT柜(ju)相(xiang)當于(yu)(yu)降低(di)(di)變(bian)壓(ya)(ya)(ya)(ya)(ya)器,只(zhi)需要低(di)(di)壓(ya)(ya)(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)(ya)(ya)器,但是電(dian)容(rong)(rong)器柜(ju)很(hen)少用(yong)(yong)于(yu)(yu)高(gao)壓(ya)(ya)(ya)(ya)(ya)系統中(zhong),并(bing)且(qie)高(gao)壓(ya)(ya)(ya)(ya)(ya)電(dian)容(rong)(rong)器很(hen)難制造,并(bing)且(qie)通常在低(di)(di)壓(ya)(ya)(ya)(ya)(ya)側進行集(ji)中(zhong)補償。