耗電低的變壓器風扇CFZ-7Q8在吸取國內外同類產(chan)(chan)品優(you)點的基礎上設計制造，采用(yong)高效率，低噪聲葉(xie)型，該(gai)葉(xie)輪(lun)采用(yong)優(you)質防(fang)銹鋁板材或復(fu)合(he)材料翼形葉(xie)片制造，配(pei)套電機為低噪聲電動(dong)機。電機軸承(cheng)為雙密(mi)封(feng)(feng)電機軸承(cheng)。軸端設計為雙套軸承(cheng)結構，加裝(zhuang)防(fang)水密(mi)封(feng)(feng)，具有(you)良好的防(fang)護性能，其防(fang)護等(deng)級達IP55，適用(yong)于戶外使用(yong)。因此(ci)，該(gai)產(chan)(chan)品具有(you)噪聲低、效率高、性能穩(wen)定、運行(xing)可靠(kao)、使用(yong)壽命(ming)長等(deng)特點。

   電機溫(wen)升：電機采(cai)用(yong)(yong)B級絕緣，定子(zi)繞組(zu)的(de)溫(wen)升限值（電阻法）≤45K，軸承允許(xu)溫(wen)度（溫(wen)度計法）≤95℃；軸承使(shi)用(yong)(yong)壽命在(zai)正(zheng)常的(de)使(shi)用(yong)(yong)條件下，能承受額定負載(zai)連(lian)續運行，其(qi)使(shi)用(yong)(yong)壽命為10年(nian)，并能保證在(zai)*次大修前安(an)全運行時間不少(shao)于5年(nian)。

耗電低的變壓器風扇CFZ-7Q8是(shi)按中華(hua)人民共和(he)(he)國(guo)(guo)行(xing)業標準JB/T9545-2002《變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)冷(leng)卻(que)(que)風(feng)扇(shan)(shan)(shan)(shan)用(yong)(yong)三相異步電(dian)(dian)動(dong)機(ji)技(ji)(ji)術條件》和(he)(he)JB/T9642-1999《變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)(shan)(shan)》等(deng)標準設(she)計制造，主要(yao)用(yong)(yong)于(yu)(yu)大中型(xing)變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)散熱冷(leng)卻(que)(que)系(xi)(xi)統(tong)，也可(ke)用(yong)(yong)于(yu)(yu)其它(ta)場(chang)所作吹(chui)排風(feng)使(shi)用(yong)(yong)，其噪(zao)(zao)聲(sheng)比(bi)傳(chuan)統(tong)產(chan)(chan)品(pin)平均降低3-10db(A)。DBF-5Q8、DBF-5Q6分為4葉(xie)(xie)片和(he)(he)3葉(xie)(xie)片兩種訂貨時說明，技(ji)(ji)術參數如下：葉(xie)(xie)輪直徑：500mm.同步轉速：1000r/min,風(feng)量(liang)：6500m3/h,全壓(ya)(ya)(ya)(ya)(ya)(ya)：120/140Pa,電(dian)(dian)流(liu)：1.33A,電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya):380V.頻率(lv)：50Hz,功率(lv)：0.37Kw,噪(zao)(zao)聲(sheng)：64/67Db,重量(liang)：18kg.DBF系(xi)(xi)列變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)(shan)(shan)適(shi)用(yong)(yong)于(yu)(yu)大型(xing)電(dian)(dian)子變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)、電(dian)(dian)爐變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)冷(leng)卻(que)(que)系(xi)(xi)統(tong)。它(ta)是(shi)依據中華(hua)人民共和(he)(he)國(guo)(guo)機(ji)械行(xing)業標準JB/T9642-1999＜＜變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)(shan)(shan)＞＞等(deng)標準設(she)計制造的(de)，該產(chan)(chan)品(pin)吸(xi)取了國(guo)(guo)內外同類產(chan)(chan)品(pin)的(de)優點，具有優良(liang)的(de)空氣動(dong)力性能和(he)(he)噪(zao)(zao)聲(sheng)低、效率(lv)高、性能穩定、運行(xing)可(ke)靠、壽命長、防護(hu)(hu)分級高、安(an)全可(ke)靠等(deng)特(te)點，是(shi)目前國(guo)(guo)內較為*低噪(zao)(zao)聲(sheng)變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)用(yong)(yong)風(feng)扇(shan)(shan)(shan)(shan)。該系(xi)(xi)列產(chan)(chan)品(pin)已(yi)被沈(shen)變(bian)、保變(bian)、西(xi)變(bian)、等(deng)近20家大中型(xing)變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)廠配套使(shi)用(yong)(yong)。DBF系(xi)(xi)列變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)風(feng)扇(shan)(shan)(shan)(shan)采用(yong)(yong)低噪(zao)(zao)聲(sheng)葉(xie)(xie)型(xing)，柳接(jie)葉(xie)(xie)型(xing)，鉚接(jie)葉(xie)(xie)輪，電(dian)(dian)機(ji)為為低噪(zao)(zao)聲(sheng)用(yong)(yong)電(dian)(dian)機(ji)，采用(yong)(yong)進口低噪(zao)(zao)聲(sheng)軸(zhou)承，電(dian)(dian)動(dong)機(ji)軸(zhou)伸端采用(yong)(yong)雙套軸(zhou)承結(jie)構(gou)，具有良(liang)好的(de)防護(hu)(hu)作用(yong)(yong)，電(dian)(dian)動(dong)機(ji)外殼(ke)防護(hu)(hu)分級為IP55，適(shi)用(yong)(yong)于(yu)(yu)戶外使(shi)用(yong)(yong)。