耗電低的變壓器風扇CFZ-7Q8在吸取國內(nei)外(wai)同類產品(pin)優點(dian)的基(ji)礎(chu)上設計制造，采(cai)用高效率(lv)，低(di)噪聲(sheng)葉型，該葉輪采(cai)用優質防銹鋁板材或復合材料翼形葉片制造，配套電機(ji)為(wei)低(di)噪聲(sheng)電動機(ji)。電機(ji)軸(zhou)(zhou)承為(wei)雙密封電機(ji)軸(zhou)(zhou)承。軸(zhou)(zhou)端(duan)設計為(wei)雙套軸(zhou)(zhou)承結構，加裝防水密封，具(ju)有良好的防護性能，其防護等級達IP55，適(shi)用于(yu)戶外(wai)使用。因此，該產品(pin)具(ju)有噪聲(sheng)低(di)、效率(lv)高、性能穩定、運(yun)行(xing)可靠、使用壽命(ming)長等特點(dian)。

   電(dian)機(ji)溫升：電(dian)機(ji)采用(yong)(yong)B級絕(jue)緣，定子繞(rao)組的溫升限值（電(dian)阻法）≤45K，軸承(cheng)允許溫度（溫度計(ji)法）≤95℃；軸承(cheng)使(shi)用(yong)(yong)壽命在正常的使(shi)用(yong)(yong)條件下，能(neng)承(cheng)受額(e)定負(fu)載連續運(yun)行(xing)，其使(shi)用(yong)(yong)壽命為10年，并能(neng)保證(zheng)在*次大修前安(an)全運(yun)行(xing)時間(jian)不少(shao)于(yu)5年。

耗電低的變壓器風扇CFZ-7Q8是(shi)按中華人(ren)民(min)共和國(guo)行業(ye)標準(zhun)JB/T9545-2002《變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)冷卻(que)風扇(shan)(shan)(shan)用(yong)(yong)三相異步(bu)電動(dong)機(ji)技術條件》和JB/T9642-1999《變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)風扇(shan)(shan)(shan)》等(deng)標準(zhun)設計制造，主要用(yong)(yong)于大(da)中型變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)的(de)(de)散熱(re)冷卻(que)系(xi)統(tong)，也可用(yong)(yong)于其它場所(suo)作(zuo)吹排風使(shi)用(yong)(yong)，其噪(zao)聲比(bi)傳統(tong)產(chan)(chan)品(pin)平均降(jiang)低(di)(di)3-10db(A)。DBF-5Q8、DBF-5Q6分(fen)為(wei)(wei)4葉(xie)(xie)片和3葉(xie)(xie)片兩種訂貨時說明，技術參數如下(xia)：葉(xie)(xie)輪直徑：500mm.同步(bu)轉速：1000r/min,風量(liang)：6500m3/h,全壓(ya)(ya)：120/140Pa,電流：1.33A,電壓(ya)(ya):380V.頻率(lv)：50Hz,功(gong)率(lv)：0.37Kw,噪(zao)聲：64/67Db,重(zhong)量(liang)：18kg.DBF系(xi)列變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)風扇(shan)(shan)(shan)適用(yong)(yong)于大(da)型電子變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)、電爐變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)的(de)(de)冷卻(que)系(xi)統(tong)。它是(shi)依據中華人(ren)民(min)共和國(guo)機(ji)械行業(ye)標準(zhun)JB/T9642-1999＜＜變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)風扇(shan)(shan)(shan)＞＞等(deng)標準(zhun)設計制造的(de)(de)，該產(chan)(chan)品(pin)吸取(qu)了(le)國(guo)內外同類產(chan)(chan)品(pin)的(de)(de)優點(dian)，具有優良的(de)(de)空氣動(dong)力性能(neng)和噪(zao)聲低(di)(di)、效率(lv)高(gao)、性能(neng)穩定(ding)、運行可靠、壽命(ming)長、防護分(fen)級高(gao)、安全可靠等(deng)特點(dian)，是(shi)目前國(guo)內較為(wei)(wei)*低(di)(di)噪(zao)聲變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)用(yong)(yong)風扇(shan)(shan)(shan)。該系(xi)列產(chan)(chan)品(pin)已被(bei)沈變(bian)(bian)(bian)(bian)、保變(bian)(bian)(bian)(bian)、西變(bian)(bian)(bian)(bian)、等(deng)近20家大(da)中型變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)廠配(pei)套(tao)(tao)使(shi)用(yong)(yong)。DBF系(xi)列變(bian)(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)風扇(shan)(shan)(shan)采(cai)用(yong)(yong)低(di)(di)噪(zao)聲葉(xie)(xie)型，柳接葉(xie)(xie)型，鉚接葉(xie)(xie)輪，電機(ji)為(wei)(wei)為(wei)(wei)低(di)(di)噪(zao)聲用(yong)(yong)電機(ji)，采(cai)用(yong)(yong)進口(kou)低(di)(di)噪(zao)聲軸承，電動(dong)機(ji)軸伸(shen)端采(cai)用(yong)(yong)雙套(tao)(tao)軸承結構(gou)，具有良好的(de)(de)防護作(zuo)用(yong)(yong)，電動(dong)機(ji)外殼防護分(fen)級為(wei)(wei)IP55，適用(yong)(yong)于戶外使(shi)用(yong)(yong)。