DBF-5H6變壓器底吹冷卻風機在(zai)吸取國(guo)內外(wai)(wai)同類產品優點(dian)(dian)的基礎上設計制造，采用(yong)高(gao)效(xiao)率(lv)，低(di)噪(zao)(zao)聲葉型，該葉輪采用(yong)優質(zhi)防(fang)銹(xiu)鋁(lv)板材或復合材料(liao)翼形(xing)葉片制造，配套電機為(wei)低(di)噪(zao)(zao)聲電動機。電機軸(zhou)(zhou)承為(wei)雙密封電機軸(zhou)(zhou)承。軸(zhou)(zhou)端設計為(wei)雙套軸(zhou)(zhou)承結(jie)構，加(jia)裝(zhuang)防(fang)水密封，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(wai)(wai)使用(yong)。因(yin)此，該產品具有(you)噪(zao)(zao)聲低(di)、效(xiao)率(lv)高(gao)、性能穩定、運行可靠、使用(yong)壽(shou)命長等(deng)特點(dian)(dian)。

電(dian)(dian)機溫(wen)升：電(dian)(dian)機采(cai)用(yong)B級(ji)絕(jue)緣，定子繞組(zu)的溫(wen)升限(xian)值（電(dian)(dian)阻法）≤45K，軸承(cheng)允許溫(wen)度（溫(wen)度計(ji)法）≤95℃；軸承(cheng)使(shi)用(yong)壽(shou)命在正常的使(shi)用(yong)條(tiao)件下，能(neng)承(cheng)受額定負(fu)載連續運(yun)行，其使(shi)用(yong)壽(shou)命為10年，并(bing)能(neng)保證(zheng)在*次大修前安全運(yun)行時間不(bu)少于5年。

DBF-5H6變壓器底吹冷卻風機是(shi)按(an)中華人民(min)共和國行(xing)業標準(zhun)JB/T9545-2002《變(bian)(bian)壓(ya)(ya)(ya)(ya)器冷(leng)卻(que)(que)風(feng)扇(shan)(shan)(shan)用(yong)(yong)三相異(yi)步電動(dong)機(ji)(ji)技術條件》和JB/T9642-1999《變(bian)(bian)壓(ya)(ya)(ya)(ya)器風(feng)扇(shan)(shan)(shan)》等標準(zhun)設計制(zhi)造(zao)，主(zhu)要用(yong)(yong)于(yu)大中型(xing)變(bian)(bian)壓(ya)(ya)(ya)(ya)器的散熱冷(leng)卻(que)(que)系(xi)統，也可用(yong)(yong)于(yu)其它(ta)場所(suo)作吹排(pai)風(feng)使(shi)用(yong)(yong)，其噪聲(sheng)比傳統產品平(ping)均(jun)降低(di)(di)(di)3-10db(A)。DBF-5Q8、DBF-5Q6分(fen)為(wei)4葉(xie)片和3葉(xie)片兩(liang)種(zhong)訂貨時(shi)說明，技術參(can)數如下：葉(xie)輪(lun)直徑：500mm.同步轉速：1000r/min,風(feng)量：6500m3/h,全(quan)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,噪聲(sheng)：64/67Db,重量：18kg.DBF系(xi)列變(bian)(bian)壓(ya)(ya)(ya)(ya)器風(feng)扇(shan)(shan)(shan)適用(yong)(yong)于(yu)大型(xing)電子(zi)變(bian)(bian)壓(ya)(ya)(ya)(ya)器、電爐變(bian)(bian)壓(ya)(ya)(ya)(ya)器的冷(leng)卻(que)(que)系(xi)統。它(ta)是(shi)依(yi)據(ju)中華人民(min)共和國機(ji)(ji)械行(xing)業標準(zhun)JB/T9642-1999＜＜變(bian)(bian)壓(ya)(ya)(ya)(ya)器風(feng)扇(shan)(shan)(shan)＞＞等標準(zhun)設計制(zhi)造(zao)的，該產品吸取了國內(nei)外(wai)同類產品的優(you)點，具有優(you)良(liang)的空氣動(dong)力性(xing)能和噪聲(sheng)低(di)(di)(di)、效率高(gao)(gao)、性(xing)能穩定、運行(xing)可靠(kao)、壽命(ming)長、防護分(fen)級高(gao)(gao)、安全(quan)可靠(kao)等特點，是(shi)目前國內(nei)較(jiao)為(wei)*低(di)(di)(di)噪聲(sheng)變(bian)(bian)壓(ya)(ya)(ya)(ya)器用(yong)(yong)風(feng)扇(shan)(shan)(shan)。該系(xi)列產品已被沈變(bian)(bian)、保變(bian)(bian)、西(xi)變(bian)(bian)、等近20家(jia)大中型(xing)變(bian)(bian)壓(ya)(ya)(ya)(ya)器廠配套使(shi)用(yong)(yong)。DBF系(xi)列變(bian)(bian)壓(ya)(ya)(ya)(ya)器風(feng)扇(shan)(shan)(shan)采(cai)用(yong)(yong)低(di)(di)(di)噪聲(sheng)葉(xie)型(xing)，柳接葉(xie)型(xing)，鉚接葉(xie)輪(lun)，電機(ji)(ji)為(wei)為(wei)低(di)(di)(di)噪聲(sheng)用(yong)(yong)電機(ji)(ji)，采(cai)用(yong)(yong)進口低(di)(di)(di)噪聲(sheng)軸承，電動(dong)機(ji)(ji)軸伸端采(cai)用(yong)(yong)雙套軸承結構，具有良(liang)好的防護作用(yong)(yong)，電動(dong)機(ji)(ji)外(wai)殼防護分(fen)級為(wei)IP55，適用(yong)(yong)于(yu)戶外(wai)使(shi)用(yong)(yong)。