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中(zhong)電氣(qi)設備選(xuan)(xuan)擇(ze)不當(dang)造成的(de)(de)(de)常見錯誤:生產過程中(zhong)交流(liu)接觸(chu)器(qi)的(de)(de)(de)體積選(xuan)(xuan)擇(ze)不當(dang),不同(tong)(tong)組(zu)的(de)(de)(de)插(cha)座控制電路安裝(zhuang)了相同(tong)(tong)體積的(de)(de)(de)交流(liu)接觸(chu)器(qi),三(san)相負載的(de)(de)(de)差異不完全(quan)考慮過的(de)(de)(de)。在平衡狀態(tai)下,不能(neng)在所(suo)有正常模型中(zhong)選(xuan)(xuan)擇(ze)某(mou)些組(zu)的(de)(de)(de)輸(shu)出交流(liu)接觸(chu)器(qi)的(de)(de)(de)電流(liu)水平。基本(ben)上,電流(liu)水平是通(tong)過一個(ge)步驟選(xuan)(xuan)擇(ze)的(de)(de)(de),該步驟會(hui)導致交流(liu)接觸(chu)器(qi)在高溫(wen)天(tian)氣(qi)下運行(xing)期(qi)間燒斷。
根據電(dian)(dian)氣(qi)設(she)備(bei)的(de)接(jie)線規定,接(jie)線盒可(ke)安裝(zhuang)在封(feng)閉(bi)或(huo)半(ban)封(feng)閉(bi)的(de)金屬外殼中或(huo)屏幕上,以(yi)(yi)形成(cheng)配電(dian)(dian)室(shi)設(she)備(bei)。如果(guo)一切正(zheng)常,可(ke)以(yi)(yi)使用(yong)手(shou)或(huo)控制開(kai)關連接(jie)或(huo)斷(duan)開(kai)電(dian)(dian)源電(dian)(dian)路(lu)(lu)。常見的(de)錯誤或(huo)異常取決(jue)于家用(yong)電(dian)(dian)器的(de)維(wei)護,以(yi)(yi)斷(duan)開(kai)電(dian)(dian)路(lu)(lu)或(huo)警報(bao)。識別儀可(ke)以(yi)(yi)在信息模式(shi)下(xia)顯示各種主要參(can)數,還可(ke)以(yi)(yi)調整(zheng)某些電(dian)(dian)氣(qi)設(she)備(bei)的(de)主要參(can)數,并提醒或(huo)發(fa)出所有正(zheng)常工作設(she)置的(de)偏差信號。常用(yong)于發(fa)電(dian)(dian),配電(dian)(dian)和變(bian)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)作電(dian)(dian)壓等級(ji)在3.6 kV~550 kV的電(dian)(dian)氣(qi)產品(pin)作為高(gao)壓隔離開(kai)(kai)關,有接地(di)開(kai)(kai)關,高(gao)壓斷路器(qi)(qi),自動高(gao)壓重合和斷開(kai)(kai)裝(zhuang)置,高(gao)壓操(cao)作機(ji)構,防爆高(gao)壓配電(dian)(dian)裝(zhuang)置和高(gao)壓開(kai)(kai)關柜(ju)等不同類別。通常,連(lian)接到系(xi)統(tong)(tong)(tong)主母線的電(dian)(dian)容器(qi)(qi)柜(ju)用(yong)(yong)于(yu)中央無功功率(lv)補償,并(bing)且通常與輸(shu)入柜(ju)并(bing)聯(lian)安(an)裝(zhuang)(系(xi)統(tong)(tong)(tong)具(ju)有PT柜(ju),應為高(gao)壓系(xi)統(tong)(tong)(tong),而低(di)壓系(xi)統(tong)(tong)(tong)沒有PT柜(ju)- PT柜(ju)相當于(yu)降低(di)變壓器(qi)(qi),只(zhi)需(xu)要(yao)低(di)壓變壓器(qi)(qi),但是電(dian)(dian)容器(qi)(qi)柜(ju)很少用(yong)(yong)于(yu)高(gao)壓系(xi)統(tong)(tong)(tong)中,并(bing)且高(gao)壓電(dian)(dian)容器(qi)(qi)很難制造(zao),并(bing)且通常在低(di)壓側進(jin)行集(ji)中補償。