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中(zhong)電(dian)氣(qi)(qi)設備(bei)選(xuan)(xuan)擇(ze)(ze)不當造成(cheng)的(de)(de)常見錯誤(wu):生產(chan)過程中(zhong)交(jiao)流接(jie)觸器(qi)的(de)(de)體積選(xuan)(xuan)擇(ze)(ze)不當,不同(tong)組的(de)(de)插(cha)座(zuo)控(kong)制電(dian)路(lu)安裝(zhuang)了相(xiang)同(tong)體積的(de)(de)交(jiao)流接(jie)觸器(qi),三相(xiang)負載(zai)的(de)(de)差異不完全考慮過的(de)(de)。在(zai)(zai)平衡狀態(tai)下,不能(neng)在(zai)(zai)所(suo)有正常模型(xing)中(zhong)選(xuan)(xuan)擇(ze)(ze)某些組的(de)(de)輸(shu)出交(jiao)流接(jie)觸器(qi)的(de)(de)電(dian)流水(shui)平。基本上,電(dian)流水(shui)平是通過一(yi)個步(bu)驟選(xuan)(xuan)擇(ze)(ze)的(de)(de),該步(bu)驟會導致(zhi)交(jiao)流接(jie)觸器(qi)在(zai)(zai)高溫天(tian)氣(qi)(qi)下運行(xing)期間燒(shao)斷(duan)。
根據(ju)電(dian)(dian)氣(qi)設(she)備的(de)(de)接線(xian)規定,接線(xian)盒可(ke)安(an)裝在封(feng)閉(bi)或(huo)(huo)半封(feng)閉(bi)的(de)(de)金(jin)屬外殼中或(huo)(huo)屏幕(mu)上,以(yi)形成配電(dian)(dian)室設(she)備。如果一切正常,可(ke)以(yi)使用手或(huo)(huo)控制開關連接或(huo)(huo)斷(duan)開電(dian)(dian)源電(dian)(dian)路。常見的(de)(de)錯誤或(huo)(huo)異常取(qu)決于家用電(dian)(dian)器的(de)(de)維護,以(yi)斷(duan)開電(dian)(dian)路或(huo)(huo)警報。識別儀可(ke)以(yi)在信息模式下顯示各種主要參數(shu),還(huan)可(ke)以(yi)調整某些電(dian)(dian)氣(qi)設(she)備的(de)(de)主要參數(shu),并提醒或(huo)(huo)發(fa)出所有(you)正常工作設(she)置的(de)(de)偏差信號(hao)。常用于發(fa)電(dian)(dian),配電(dian)(dian)和變電(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(zuo)電壓(ya)(ya)(ya)等(deng)(deng)級(ji)在3.6 kV~550 kV的電氣產品作(zuo)為高(gao)壓(ya)(ya)(ya)隔離開關,有(you)接地開關,高(gao)壓(ya)(ya)(ya)斷(duan)(duan)路(lu)器(qi)(qi),自(zi)動高(gao)壓(ya)(ya)(ya)重合和斷(duan)(duan)開裝(zhuang)置(zhi),高(gao)壓(ya)(ya)(ya)操(cao)作(zuo)機構,防爆(bao)高(gao)壓(ya)(ya)(ya)配電裝(zhuang)置(zhi)和高(gao)壓(ya)(ya)(ya)開關柜(ju)等(deng)(deng)不同類(lei)別。通常(chang),連接到系(xi)統(tong)(tong)主(zhu)母(mu)線的電容器(qi)(qi)柜(ju)用(yong)于(yu)中(zhong)央無功(gong)功(gong)率補(bu)償,并(bing)且通常(chang)與(yu)輸入柜(ju)并(bing)聯安裝(zhuang)(系(xi)統(tong)(tong)具有(you)PT柜(ju),應(ying)為高(gao)壓(ya)(ya)(ya)系(xi)統(tong)(tong),而低壓(ya)(ya)(ya)系(xi)統(tong)(tong)沒有(you)PT柜(ju)- PT柜(ju)相(xiang)當于(yu)降低變(bian)壓(ya)(ya)(ya)器(qi)(qi),只需要低壓(ya)(ya)(ya)變(bian)壓(ya)(ya)(ya)器(qi)(qi),但是(shi)電容器(qi)(qi)柜(ju)很少用(yong)于(yu)高(gao)壓(ya)(ya)(ya)系(xi)統(tong)(tong)中(zhong),并(bing)且高(gao)壓(ya)(ya)(ya)電容器(qi)(qi)很難(nan)制(zhi)造(zao),并(bing)且通常(chang)在低壓(ya)(ya)(ya)側進(jin)行集中(zhong)補(bu)償。