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中(zhong)(zhong)電(dian)氣設備(bei)選(xuan)擇(ze)不(bu)(bu)(bu)當造(zao)成(cheng)的(de)常見錯誤:生產過(guo)程中(zhong)(zhong)交流(liu)接觸器的(de)體(ti)(ti)積選(xuan)擇(ze)不(bu)(bu)(bu)當,不(bu)(bu)(bu)同(tong)組的(de)插座控(kong)制(zhi)電(dian)路安(an)裝(zhuang)了相(xiang)同(tong)體(ti)(ti)積的(de)交流(liu)接觸器,三相(xiang)負載的(de)差異(yi)不(bu)(bu)(bu)完全(quan)考慮過(guo)的(de)。在平衡狀態(tai)下,不(bu)(bu)(bu)能(neng)在所有正常模型中(zhong)(zhong)選(xuan)擇(ze)某些組的(de)輸出交流(liu)接觸器的(de)電(dian)流(liu)水平。基(ji)本上(shang),電(dian)流(liu)水平是通過(guo)一(yi)個步(bu)(bu)驟(zou)選(xuan)擇(ze)的(de),該步(bu)(bu)驟(zou)會導(dao)致交流(liu)接觸器在高溫天氣下運(yun)行期間燒斷(duan)。
根(gen)據電(dian)(dian)氣設(she)備的(de)接線規(gui)定,接線盒可(ke)(ke)安裝(zhuang)在(zai)封閉或(huo)半封閉的(de)金(jin)屬外殼中或(huo)屏幕上,以(yi)形成配(pei)電(dian)(dian)室(shi)設(she)備。如果一切正常,可(ke)(ke)以(yi)使用(yong)手或(huo)控(kong)制開關連接或(huo)斷(duan)開電(dian)(dian)源電(dian)(dian)路。常見的(de)錯誤(wu)或(huo)異常取決(jue)于家用(yong)電(dian)(dian)器的(de)維護,以(yi)斷(duan)開電(dian)(dian)路或(huo)警(jing)報。識別儀可(ke)(ke)以(yi)在(zai)信(xin)息模式下顯(xian)示各種主要(yao)參數,還可(ke)(ke)以(yi)調整(zheng)某些(xie)電(dian)(dian)氣設(she)備的(de)主要(yao)參數,并提醒或(huo)發出所有正常工作設(she)置(zhi)的(de)偏差(cha)信(xin)號。常用(yong)于發電(dian)(dian),配(pei)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)作(zuo)(zuo)電壓(ya)(ya)(ya)等(deng)級在3.6 kV~550 kV的電氣產品作(zuo)(zuo)為高(gao)(gao)壓(ya)(ya)(ya)隔離開(kai)關(guan),有接(jie)地開(kai)關(guan),高(gao)(gao)壓(ya)(ya)(ya)斷路器(qi)(qi),自動(dong)高(gao)(gao)壓(ya)(ya)(ya)重合和斷開(kai)裝置(zhi),高(gao)(gao)壓(ya)(ya)(ya)操作(zuo)(zuo)機構,防(fang)爆(bao)高(gao)(gao)壓(ya)(ya)(ya)配電裝置(zhi)和高(gao)(gao)壓(ya)(ya)(ya)開(kai)關(guan)柜(ju)(ju)等(deng)不同類別。通(tong)常(chang),連(lian)接(jie)到系(xi)統(tong)主母線(xian)的電容(rong)器(qi)(qi)柜(ju)(ju)用(yong)于(yu)(yu)中(zhong)央無功功率補償(chang),并且通(tong)常(chang)與輸入(ru)柜(ju)(ju)并聯(lian)安裝(系(xi)統(tong)具有PT柜(ju)(ju),應為高(gao)(gao)壓(ya)(ya)(ya)系(xi)統(tong),而低(di)(di)壓(ya)(ya)(ya)系(xi)統(tong)沒有PT柜(ju)(ju)- PT柜(ju)(ju)相當于(yu)(yu)降低(di)(di)變(bian)壓(ya)(ya)(ya)器(qi)(qi),只(zhi)需要低(di)(di)壓(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)器(qi)(qi),但(dan)是電容(rong)器(qi)(qi)柜(ju)(ju)很少用(yong)于(yu)(yu)高(gao)(gao)壓(ya)(ya)(ya)系(xi)統(tong)中(zhong),并且高(gao)(gao)壓(ya)(ya)(ya)電容(rong)器(qi)(qi)很難制造,并且通(tong)常(chang)在低(di)(di)壓(ya)(ya)(ya)側(ce)進行集中(zhong)補償(chang)。