提高功率因數對于每個(ge)工(gong)廠來說,都(dou)應該(gai)引起重視。提供功(gong)(gong)率因(yin)數可以使發電(dian)(dian)(dian)機盡量(liang)多處于有(you)功(gong)(gong)功(gong)(gong)率,高效(xiao)利(li)用(yong)(yong)(yong)(yong)發電(dian)(dian)(dian)機的(de)(de)容量(liang),增加其輸(shu)電(dian)(dian)(dian)能(neng)力(li)。也(ye)可以使電(dian)(dian)(dian)力(li)系統的(de)(de)各種設(she)備得到充分(fen)利(li)用(yong)(yong)(yong)(yong),并可提高企業(ye)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)設(she)備的(de)(de)利(li)用(yong)(yong)(yong)(yong)率和工(gong)作(zuo)效(xiao)率,充分(fen)發揮企業(ye)的(de)(de)設(she)備潛能(neng),為企業(ye)本(ben)身節約電(dian)(dian)(dian)能(neng),降(jiang)(jiang)低(di)生產成本(ben),減少電(dian)(dian)(dian)費(fei)支出。還可以降(jiang)(jiang)低(di)輸(shu)電(dian)(dian)(dian)線路的(de)(de)功(gong)(gong)率損失和電(dian)(dian)(dian)壓(ya)損失提高電(dian)(dian)(dian)網輸(shu)電(dian)(dian)(dian)效(xiao)率,降(jiang)(jiang)低(di)電(dian)(dian)(dian)壓(ya)波(bo)動,有(you)效(xiao)改善和提高用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)質量(liang),從而保證設(she)備的(de)(de)運行條件是可以正常穩定(ding)工(gong)作(zuo)。
工廠用電功率因數低怎么辦?下面看一個實例
某(mou)公司2012年8個回路月(yue)(yue)(yue)平(ping)均功率因(yin)數(shu)曲線圖(tu)來看(kan),最(zui)小值(zhi)(zhi)是(shi)六月(yue)(yue)(yue)份(fen)的0.91,最(zui)大(da)值(zhi)(zhi)是(shi)12月(yue)(yue)(yue)份(fen)的0.96,最(zui)小值(zhi)(zhi)和最(zui)大(da)值(zhi)(zhi)之間的差值(zhi)(zhi)較大(da)。其中有3個月(yue)(yue)(yue)剛(gang)達(da)到(dao)公司的目標(biao)(biao)值(zhi)(zhi),而6月(yue)(yue)(yue)份(fen)為0.91低(di)于公司目標(biao)(biao)值(zhi)(zhi),總體上(shang)在0.93徘徊。公司計(ji)劃將8個回路實際月(yue)(yue)(yue)平(ping)均功率因(yin)數(shu)提高到(dao)0.94以上(shang)。
工廠提高功率因數的具體措施
將原來是手動投送的(de)加裝功(gong)(gong)率因數(shu)自動補(bu)(bu)償(chang)器(qi);優化(hua)功(gong)(gong)率補(bu)(bu)償(chang)裝置,投入使用(yong),確保補(bu)(bu)償(chang)裝置各盡(jin)其(qi)(qi)用(yong),盡(jin)其(qi)(qi)所能;恰當選擇(ze)電(dian)(dian)動機容量,減少電(dian)(dian)動機無功(gong)(gong)消耗,防(fang)止“大(da)馬拉小車”;盡(jin)量避免了電(dian)(dian)機或設備空載和輕載運(yun)行;改善配(pei)電(dian)(dian)線(xian)路布局(ju),避免曲(qu)折迂回等;對發現的(de)漏(lou)油電(dian)(dian)容、鼓脹電(dian)(dian)容以及功(gong)(gong)率補(bu)(bu)償(chang)裝置中損壞的(de)線(xian)路與接觸器(qi),及時的(de)修復與更換;
最后從實際取得的經濟效益來看,成績喜人。2012年供電局給的月平均獎勵是53649.2,2013年供電局給的月平均獎勵是68622.8,相比2012年增加了27.9%。2014年第一季度供電局的月平均獎勵為79515.8,相比2013年增加了48.2%!這些都是提高功率因數創造的效益。
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