詳細介紹
風冷變頻螺桿式冷水機組特點∶
1、變頻節能
變頻(pin)器節能主要(yao)表現在風(feng)(feng)機(ji)、水(shui)泵(beng)(beng)的(de)應用(yong)(yong)上。為了(le)保證生產的(de)可(ke)靠性(xing),各種生產機(ji)械在設計配用(yong)(yong)動(dong)力驅動(dong)時,都留有一定(ding)的(de)富余量。當電機(ji)不能在滿負荷下(xia)運(yun)行時,除(chu)達(da)到動(dong)力驅動(dong)要(yao)求外,多余的(de)力矩增(zeng)加了(le)有功(gong)功(gong)率(lv)的(de)消耗,造成電能的(de)浪費。風(feng)(feng)機(ji)、泵(beng)(beng)類等設備傳統的(de)調(diao)速(su)方(fang)法是通過調(diao)節入(ru)口或(huo)出口的(de)擋板、閥(fa)門開度來調(diao)節給風(feng)(feng)量和給水(shui)量,其輸(shu)入(ru)功(gong)率(lv)大,且大量的(de)能源(yuan)消耗在擋板、閥(fa)門的(de)截流過程(cheng)中。當使用(yong)(yong)變頻(pin)調(diao)速(su)時,如果流量要(yao)求減(jian)小,通過降低泵(beng)(beng)或(huo)風(feng)(feng)機(ji)的(de)轉速(su)即(ji)可(ke)滿足(zu)要(yao)求。
2、功率因數(shu)補償節能
無功(gong)(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)(gong)率不但增加線損和設備(bei)(bei)的(de)發熱,更(geng)主要的(de)是(shi)功(gong)(gong)(gong)(gong)(gong)率因數的(de)降(jiang)(jiang)低(di)導(dao)致(zhi)電(dian)網有功(gong)(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)(gong)率的(de)降(jiang)(jiang)低(di),大(da)量的(de)無功(gong)(gong)(gong)(gong)(gong)電(dian)能(neng)消耗在(zai)線路當(dang)中,設備(bei)(bei)使用效(xiao)率低(di)下(xia),浪費(fei)嚴重,使用變(bian)頻(pin)調速裝置后,由于變(bian)頻(pin)器內部濾波電(dian)容(rong)的(de)作用,從而減少(shao)了無功(gong)(gong)(gong)(gong)(gong)損耗,增加了電(dian)網的(de)有功(gong)(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)(gong)率。
3、軟啟動節能
電(dian)機硬啟動(dong)對(dui)(dui)電(dian)網造成嚴重(zhong)的(de)沖擊,而且還會對(dui)(dui)電(dian)網容量要求過高,啟動(dong)時(shi)產生的(de)大電(dian)流(liu)和震動(dong)時(shi)對(dui)(dui)擋板和閥門的(de)損害極(ji)(ji)大,對(dui)(dui)設備(bei)(bei)、管路的(de)使(shi)用壽命(ming)(ming)極(ji)(ji)為(wei)不(bu)利。而使(shi)用變頻節(jie)能裝置后,利用變頻器的(de)軟啟動(dong)功(gong)能將(jiang)使(shi)啟動(dong)電(dian)流(liu)從零開始,較大值也不(bu)超過額定電(dian)流(liu),減輕了(le)對(dui)(dui)電(dian)網的(de)沖擊和對(dui)(dui)供(gong)電(dian)容量的(de)要求,延長了(le)設備(bei)(bei)和閥門的(de)使(shi)用壽命(ming)(ming)。節(jie)省了(le)設備(bei)(bei)的(de)維護費(fei)用。
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