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中(zhong)電氣(qi)設備選擇(ze)不(bu)當(dang)造(zao)成(cheng)的(de)(de)常(chang)見錯誤:生產過(guo)程(cheng)中(zhong)交(jiao)(jiao)流(liu)接觸器的(de)(de)體積選擇(ze)不(bu)當(dang),不(bu)同(tong)組的(de)(de)插(cha)座控制(zhi)電路安裝了相同(tong)體積的(de)(de)交(jiao)(jiao)流(liu)接觸器,三(san)相負(fu)載的(de)(de)差異不(bu)完全考慮過(guo)的(de)(de)。在(zai)平(ping)(ping)衡(heng)狀態(tai)下,不(bu)能在(zai)所有正常(chang)模型(xing)中(zhong)選擇(ze)某些組的(de)(de)輸出交(jiao)(jiao)流(liu)接觸器的(de)(de)電流(liu)水平(ping)(ping)。基本上,電流(liu)水平(ping)(ping)是通過(guo)一(yi)個步驟(zou)選擇(ze)的(de)(de),該步驟(zou)會(hui)導致交(jiao)(jiao)流(liu)接觸器在(zai)高溫(wen)天氣(qi)下運行期間(jian)燒斷(duan)。
根據電(dian)(dian)(dian)(dian)氣(qi)設(she)(she)備的(de)接(jie)線規定,接(jie)線盒可(ke)安(an)裝在封閉(bi)或(huo)(huo)半封閉(bi)的(de)金屬外(wai)殼(ke)中或(huo)(huo)屏幕上,以(yi)(yi)形(xing)成配(pei)(pei)電(dian)(dian)(dian)(dian)室設(she)(she)備。如(ru)果一切正(zheng)常,可(ke)以(yi)(yi)使用(yong)手或(huo)(huo)控制開關連接(jie)或(huo)(huo)斷開電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)路。常見的(de)錯誤或(huo)(huo)異常取決于家用(yong)電(dian)(dian)(dian)(dian)器的(de)維護(hu),以(yi)(yi)斷開電(dian)(dian)(dian)(dian)路或(huo)(huo)警報。識別儀可(ke)以(yi)(yi)在信息(xi)模式下顯示各種主要參(can)數,還可(ke)以(yi)(yi)調整某些(xie)電(dian)(dian)(dian)(dian)氣(qi)設(she)(she)備的(de)主要參(can)數,并提醒或(huo)(huo)發出所有(you)正(zheng)常工(gong)作(zuo)設(she)(she)置的(de)偏(pian)差(cha)信號。常用(yong)于發電(dian)(dian)(dian)(dian),配(pei)(pei)電(dian)(dian)(dian)(dian)和(he)變電(dian)(dian)(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。高壓配電柜用作(zuo)電(dian)壓(ya)(ya)(ya)等級在3.6 kV~550 kV的(de)電(dian)氣產(chan)品作(zuo)為(wei)高(gao)(gao)壓(ya)(ya)(ya)隔離開(kai)(kai)(kai)(kai)關(guan),有(you)接地開(kai)(kai)(kai)(kai)關(guan),高(gao)(gao)壓(ya)(ya)(ya)斷路(lu)器(qi),自動(dong)高(gao)(gao)壓(ya)(ya)(ya)重合和斷開(kai)(kai)(kai)(kai)裝(zhuang)(zhuang)(zhuang)置,高(gao)(gao)壓(ya)(ya)(ya)操(cao)作(zuo)機構(gou),防爆高(gao)(gao)壓(ya)(ya)(ya)配電(dian)裝(zhuang)(zhuang)(zhuang)置和高(gao)(gao)壓(ya)(ya)(ya)開(kai)(kai)(kai)(kai)關(guan)柜等不同類(lei)別。通常,連(lian)接到系(xi)統(tong)主母線的(de)電(dian)容器(qi)柜用于中央(yang)無功功率補償(chang),并(bing)且通常與輸入柜并(bing)聯安裝(zhuang)(zhuang)(zhuang)(系(xi)統(tong)具(ju)有(you)PT柜,應(ying)為(wei)高(gao)(gao)壓(ya)(ya)(ya)系(xi)統(tong),而(er)低(di)(di)壓(ya)(ya)(ya)系(xi)統(tong)沒有(you)PT柜- PT柜相當(dang)于降低(di)(di)變壓(ya)(ya)(ya)器(qi),只需(xu)要低(di)(di)壓(ya)(ya)(ya)變壓(ya)(ya)(ya)器(qi),但是電(dian)容器(qi)柜很少用于高(gao)(gao)壓(ya)(ya)(ya)系(xi)統(tong)中,并(bing)且高(gao)(gao)壓(ya)(ya)(ya)電(dian)容器(qi)很難制造(zao),并(bing)且通常在低(di)(di)壓(ya)(ya)(ya)側進行集(ji)中補償(chang)。