無功(gong)(gong)功(gong)(gong)率單獨就(jiu)地補(bu)償就(jiu)是將(jiang)電(dian)(dian)容器(qi)安(an)裝在電(dian)(dian)氣設備的附近,可以 大限度地減少線(xian)損和釋放(fang)系統容量,在某些情況(kuang)下還可以縮小饋電(dian)(dian)線(xian)路(lu)的截(jie)面積,減少有色金屬消耗(hao)。但(dan)電(dian)(dian)容器(qi)的利用率往往不高,初次投資及維(wei)護費用增加。從提高電(dian)(dian)容器(qi)的利用率和避免遭(zao)致(zhi)損壞的觀點(dian)出發,宜(yi)用于以下范圍:
汽車焊接車間無功補償柜解決(jue)方案
電容(rong)補(bu)(bu)(bu)償(chang)(chang)的(de)常用方式(shi)分(fen)為以(yi)下幾(ji)種,每種補(bu)(bu)(bu)償(chang)(chang)方式(shi)都有各自的(de)優劣勢:(1)集(ji)中補(bu)(bu)(bu)償(chang)(chang):在高低壓配電線路中安裝(zhuang)(zhuang)并聯(lian)電容(rong)器組;(2)分(fen)組補(bu)(bu)(bu)償(chang)(chang):在配電變(bian)壓器低壓側和(he)用戶車間配電屏安裝(zhuang)(zhuang)并聯(lian)補(bu)(bu)(bu)償(chang)(chang)電容(rong)器;(3)單臺電動(dong)機就地補(bu)(bu)(bu)償(chang)(chang):在單臺電動(dong)機處安裝(zhuang)(zhuang)并聯(lian)電容(rong)器等。加裝(zhuang)(zhuang)無功補(bu)(bu)(bu)償(chang)(chang)設備,不僅可使功率消耗小,功率因數提高,還可以(yi)充(chong)分(fen)挖掘設備輸送功率的(de)潛力。
電(dian)網輸(shu)出的(de)(de)功(gong)率包(bao)括兩部分:一是有功(gong)功(gong)率;二(er)是無功(gong)功(gong)率。直接(jie)消耗電(dian)能(neng)(neng)(neng),把電(dian)能(neng)(neng)(neng)轉(zhuan)(zhuan)變為機械能(neng)(neng)(neng)、熱能(neng)(neng)(neng)、化學(xue)能(neng)(neng)(neng)或聲能(neng)(neng)(neng),利用這(zhe)些能(neng)(neng)(neng)作(zuo)功(gong),這(zhe)部分功(gong)率稱為有功(gong)功(gong)率,不消耗電(dian)能(neng)(neng)(neng),只是把電(dian)能(neng)(neng)(neng)轉(zhuan)(zhuan)換(huan)為另一種(zhong)形(xing)式的(de)(de)能(neng)(neng)(neng),這(zhe)種(zhong)能(neng)(neng)(neng)作(zuo)為電(dian)氣設備(bei)能(neng)(neng)(neng)夠作(zuo)功(gong)的(de)(de)必備(bei)條件。