一、軸流通風機怎么接線
為了使軸流風機正常運行,我們需要對電源和電線進行相關檢查,如果打開軸流風機發現不工作,可能是接(jie)線(xian)未良好連接(jie)造成的,那么軸流(liu)風機如何接(jie)線(xian)呢?
軸(zhou)流風機一般是有(you)接(jie)線(xian)圖的(de),按照接(jie)線(xian)圖的(de)操作和(he)要求進行(xing)接(jie)線(xian)即可。沒有(you)接(jie)線(xian)圖的(de)情況下(xia),則可以采取以下(xia)方法,以五根線(xian)的(de)軸(zhou)流風機為例:
5根(gen)線(xian)分別是黃、藍(lan)、兩根(gen)紅(hong)線(xian),還有個1根(gen)電容(rong)線(xian),用表(biao)分別測出(chu)兩根(gen)繞(rao)(rao)組(zu)(zu)(zu),其(qi)中(zhong)一(yi)個繞(rao)(rao)組(zu)(zu)(zu)組(zu)(zu)(zu)值大(da)是啟動(dong)(dong)繞(rao)(rao)組(zu)(zu)(zu),另(ling)(ling)一(yi)個阻值小的(de)是運(yun)行繞(rao)(rao)組(zu)(zu)(zu),將啟動(dong)(dong)繞(rao)(rao)組(zu)(zu)(zu)和運(yun)行繞(rao)(rao)組(zu)(zu)(zu)的(de)其(qi)中(zhong)一(yi)端扭一(yi)起接(jie)一(yi)相(xiang),然后(hou)將電容(rong)串(chuan)在啟動(dong)(dong)繞(rao)(rao)組(zu)(zu)(zu)上與運(yun)行繞(rao)(rao)組(zu)(zu)(zu)并聯接(jie)另(ling)(ling)一(yi)相(xiang),也就(jiu)是電容(rong)一(yi)端接(jie)啟動(dong)(dong)繞(rao)(rao)組(zu)(zu)(zu),另(ling)(ling)一(yi)端接(jie)運(yun)行繞(rao)(rao)組(zu)(zu)(zu),運(yun)行繞(rao)(rao)組(zu)(zu)(zu)的(de)那段再(zai)接(jie)到另(ling)(ling)一(yi)相(xiang)即可。
二、軸流風機接線時要注意什么
軸(zhou)流風機(ji)在進行接線操(cao)作時,有很多(duo)需(xu)要(yao)注意(yi)的地(di)方,包括:
1、接線前,接線人員應做好相應的防護(hu)措施(shi)。
2、接線時,不要馬(ma)上操作,應先(xian)打開軸流風機(ji)電(dian)機(ji)接線盒蓋(gai),用萬(wan)用表(biao)確(que)認電(dian)機(ji)繞(rao)組無電(dian)壓再進行接線。
3、拆線之前,應(ying)先作好(hao)三(san)相引線標記,然后將電源端(duan)三(san)相引線短路并接地,接頭用白布(bu)包扎保護好(hao)。
4、接線時注意檢查,檢查軸流風機的電(dian)(dian)機(ji)接(jie)線(xian)(xian)(xian)盒蓋密(mi)封件、引線(xian)(xian)(xian)密(mi)封套管(guan)有(you)無(wu)老(lao)化(hua)裂紋;檢(jian)查軸流(liu)風(feng)機(ji)電(dian)(dian)機(ji)接(jie)線(xian)(xian)(xian)盒內是(shi)否干(gan)燥(zao)干(gan)凈(jing),如有(you)臟污或(huo)接(jie)線(xian)(xian)(xian)柱等處有(you)氧化(hua)層(ceng),應及時清除;檢(jian)查軸流(liu)風(feng)機(ji)電(dian)(dian)機(ji)電(dian)(dian)機(ji)引線(xian)(xian)(xian)有(you)無(wu)破損(sun)、老(lao)化(hua)等現象。
5、接(jie)線(xian)時,注意用搖(yao)表測(ce)量(liang)(liang)三(san)(san)相(xiang)(xiang)(xiang)對(dui)(dui)地及(ji)相(xiang)(xiang)(xiang)間(jian)絕(jue)緣電(dian)(dian)(dian)阻(電(dian)(dian)(dian)機(ji)接(jie)線(xian)盒只引出三(san)(san)相(xiang)(xiang)(xiang)電(dian)(dian)(dian)流線(xian)時只測(ce)量(liang)(liang)對(dui)(dui)地絕(jue)緣電(dian)(dian)(dian)阻)及(ji)對(dui)(dui)電(dian)(dian)(dian)源線(xian)對(dui)(dui)地絕(jue)緣電(dian)(dian)(dian)阻:應不(bu)小于1MΩ,并記(ji)錄好。用雙臂電(dian)(dian)(dian)橋測(ce)量(liang)(liang)電(dian)(dian)(dian)機(ji)定子繞(rao)組三(san)(san)相(xiang)(xiang)(xiang)直(zhi)流電(dian)(dian)(dian)阻,各相(xiang)(xiang)(xiang)繞(rao)組的直(zhi)流電(dian)(dian)(dian)阻相(xiang)(xiang)(xiang)互差別不(bu)應超過小值的4%;也可(ke)測(ce)量(liang)(liang)線(xian)間(jian)電(dian)(dian)(dian)阻,其相(xiang)(xiang)(xiang)互差別不(bu)應超過小值的2%,并記(ji)錄相(xiang)(xiang)(xiang)關信息(xi)。