CFZ-7.1Q8耗電低的變壓器冷卻風扇在吸取國內外同類產品優點(dian)的(de)基礎上設(she)計制(zhi)造，采用高(gao)(gao)效(xiao)率(lv)，低(di)噪聲葉(xie)型，該葉(xie)輪采用優質(zhi)防(fang)銹(xiu)鋁板材(cai)或復合(he)材(cai)料翼(yi)形(xing)葉(xie)片制(zhi)造，配套(tao)電(dian)(dian)(dian)機(ji)為(wei)低(di)噪聲電(dian)(dian)(dian)動(dong)機(ji)。電(dian)(dian)(dian)機(ji)軸(zhou)(zhou)(zhou)承為(wei)雙密封(feng)電(dian)(dian)(dian)機(ji)軸(zhou)(zhou)(zhou)承。軸(zhou)(zhou)(zhou)端設(she)計為(wei)雙套(tao)軸(zhou)(zhou)(zhou)承結(jie)構，加裝防(fang)水密封(feng)，具有良(liang)好(hao)的(de)防(fang)護(hu)性(xing)能，其(qi)防(fang)護(hu)等級達IP55，適用于戶外使(shi)用。因此，該產品具有噪聲低(di)、效(xiao)率(lv)高(gao)(gao)、性(xing)能穩定、運(yun)行可靠、使(shi)用壽(shou)命長等特點(dian)。

電(dian)(dian)機溫(wen)升：電(dian)(dian)機采(cai)用(yong)(yong)B級絕(jue)緣，定(ding)子(zi)繞組的溫(wen)升限值（電(dian)(dian)阻法）≤45K，軸(zhou)承允(yun)許溫(wen)度（溫(wen)度計法）≤95℃；軸(zhou)承使(shi)用(yong)(yong)壽命在正常的使(shi)用(yong)(yong)條件下，能承受額(e)定(ding)負載連續運行，其使(shi)用(yong)(yong)壽命為10年，并能保證在*次大(da)修前(qian)安全運行時間(jian)不(bu)少于5年。

CFZ-7.1Q8耗電低的變壓器冷卻風扇是按中華(hua)(hua)人民共(gong)和(he)國(guo)行(xing)(xing)業(ye)標(biao)準(zhun)JB/T9545-2002《變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)冷卻風(feng)扇(shan)(shan)用(yong)(yong)(yong)(yong)三(san)相異步電動(dong)(dong)機(ji)技(ji)術(shu)條件》和(he)JB/T9642-1999《變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)風(feng)扇(shan)(shan)》等(deng)標(biao)準(zhun)設計制造(zao)，主要用(yong)(yong)(yong)(yong)于(yu)大中型(xing)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)的(de)散熱冷卻系(xi)(xi)統(tong)，也可用(yong)(yong)(yong)(yong)于(yu)其(qi)它場所作吹(chui)排風(feng)使用(yong)(yong)(yong)(yong)，其(qi)噪(zao)(zao)聲(sheng)比傳統(tong)產(chan)(chan)品(pin)平(ping)均(jun)降低3-10db(A)。DBF-5Q8、DBF-5Q6分(fen)為(wei)4葉片和(he)3葉片兩種訂(ding)貨(huo)時說明，技(ji)術(shu)參數如下(xia)：葉輪(lun)直(zhi)徑：500mm.同(tong)步轉速(su)：1000r/min,風(feng)量：6500m3/h,全壓(ya)(ya)(ya)(ya)：120/140Pa,電流：1.33A,電壓(ya)(ya)(ya)(ya):380V.頻率：50Hz,功率：0.37Kw,噪(zao)(zao)聲(sheng)：64/67Db,重量：18kg.DBF系(xi)(xi)列變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)風(feng)扇(shan)(shan)適用(yong)(yong)(yong)(yong)于(yu)大型(xing)電子變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)、電爐變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)的(de)冷卻系(xi)(xi)統(tong)。它是依據中華(hua)(hua)人民共(gong)和(he)國(guo)機(ji)械行(xing)(xing)業(ye)標(biao)準(zhun)JB/T9642-1999＜＜變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)風(feng)扇(shan)(shan)＞＞等(deng)標(biao)準(zhun)設計制造(zao)的(de)，該產(chan)(chan)品(pin)吸取了國(guo)內(nei)外(wai)同(tong)類產(chan)(chan)品(pin)的(de)優點，具(ju)有(you)優良的(de)空(kong)氣(qi)動(dong)(dong)力性能和(he)噪(zao)(zao)聲(sheng)低、效率高(gao)、性能穩定(ding)、運行(xing)(xing)可靠、壽命長、防(fang)護(hu)分(fen)級(ji)(ji)高(gao)、安全可靠等(deng)特點，是目(mu)前(qian)國(guo)內(nei)較為(wei)*低噪(zao)(zao)聲(sheng)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)用(yong)(yong)(yong)(yong)風(feng)扇(shan)(shan)。該系(xi)(xi)列產(chan)(chan)品(pin)已被沈變(bian)(bian)(bian)、保變(bian)(bian)(bian)、西變(bian)(bian)(bian)、等(deng)近20家(jia)大中型(xing)變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)廠(chang)配套使用(yong)(yong)(yong)(yong)。DBF系(xi)(xi)列變(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)風(feng)扇(shan)(shan)采(cai)用(yong)(yong)(yong)(yong)低噪(zao)(zao)聲(sheng)葉型(xing)，柳接葉型(xing)，鉚接葉輪(lun)，電機(ji)為(wei)為(wei)低噪(zao)(zao)聲(sheng)用(yong)(yong)(yong)(yong)電機(ji)，采(cai)用(yong)(yong)(yong)(yong)進(jin)口低噪(zao)(zao)聲(sheng)軸承，電動(dong)(dong)機(ji)軸伸端采(cai)用(yong)(yong)(yong)(yong)雙套軸承結(jie)構，具(ju)有(you)良好的(de)防(fang)護(hu)作用(yong)(yong)(yong)(yong)，電動(dong)(dong)機(ji)外(wai)殼防(fang)護(hu)分(fen)級(ji)(ji)為(wei)IP55，適用(yong)(yong)(yong)(yong)于(yu)戶外(wai)使用(yong)(yong)(yong)(yong)。