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在潮濕的環境中,短期閑置的電機有哪些方法?

文章出處:maituwangluo.com  |  發布時間:2023/4/19 16:53:41  |  瀏覽次數:0
  在(zai)潮濕(shi)的(de)環境中,短期(qi)閑置的(de)電機(ji)有(you)哪些(xie)方(fang)法?

  電(dian)(dian)(dian)(dian)機(ji)維(wei)護(hu)通常使用額(e)定電(dian)(dian)(dian)(dian)壓的(de)5%-10%左右(you)。在(zai)編寫(xie)過程中,小(xiao)(xiao)型電(dian)(dian)(dian)(dian)機(ji)科選擇(ze)30V左右(you)的(de)電(dian)(dian)(dian)(dian)壓。國外電(dian)(dian)(dian)(dian)機(ji)有自己的(de)加(jia)熱(re)裝(zhuang)置,可(ke)(ke)以對電(dian)(dian)(dian)(dian)機(ji)進行(xing)加(jia)熱(re)處理。電(dian)(dian)(dian)(dian)機(ji)吹(chui)風干燥時,可(ke)(ke)使用壓縮空氣或皮老虎,使用時間約為20-30min,然后用NC-123防(fang)腐防(fang)潮保護(hu)劑噴灑(sa)電(dian)(dian)(dian)(dian)機(ji)內各部分絕緣(yuan)(yuan)。20-30min后,再次測量絕緣(yuan)(yuan)電(dian)(dian)(dian)(dian)阻。一(yi)般來說(shuo),絕緣(yuan)(yuan)電(dian)(dian)(dian)(dian)阻應從零值上升到2M歐姆左右(you)。放置2小(xiao)(xiao)時后,當測量絕緣(yuan)(yuan)電(dian)(dian)(dian)(dian)陽能上升到5M歐姆以上時,電(dian)(dian)(dian)(dian)機(ji)可(ke)(ke)投(tou)入運行(xing),使用高壓電(dian)(dian)(dian)(dian)機(ji)在(zai)運行(xing)中產生的(de)各種機(ji)械(xie)振(zhen)動,會磨損腐蝕線圈絕緣(yuan)(yuan)。

電機修理廠家

  如果(guo)電(dian)(dian)機(ji)(ji)維修定制鐵芯(xin)壓裝質量差(cha),繞組(zu)斷面(mian)綁(bang)扎工(gong)藝差(cha),導致槽內(nei)線(xian)固定不(bu)良(liang),振(zhen)(zhen)動(dong)(dong)(dong)幅度(du)大,層間(jian)墊和(he)(he)溫度(du)測量元件墊會在上下線(xian)圈之間(jian)來(lai)回(hui)移動(dong)(dong)(dong),磨損(sun)上下線(xian)圈,損(sun)壞線(xian)圈的(de)(de)主(zhu)絕(jue)緣。更(geng)嚴重(zhong)的(de)(de)是,如果(guo)導線(xian)在線(xian)路運行過程中通過的(de)(de)電(dian)(dian)流(liu)產生兩倍頻(pin)率的(de)(de)電(dian)(dian)磁振(zhen)(zhen)動(dong)(dong)(dong)力,則線(xian)圈與鐵芯(xin)和(he)(he)繞組(zu)端部之間(jian)的(de)(de)間(jian)隔墊塊不(bu)會振(zhen)(zhen)動(dong)(dong)(dong)。因此(ci),電(dian)(dian)磁振(zhen)(zhen)動(dong)(dong)(dong)是高(gao)(gao)壓電(dian)(dian)機(ji)(ji)線(xian)圈主(zhu)絕(jue)緣外腐(fu)蝕和(he)(he)內(nei)腐(fu)蝕損(sun)壞的(de)(de)主(zhu)要原因。電(dian)(dian)機(ji)(ji)維修周圍(wei)的(de)(de)水分會使(shi)電(dian)(dian)機(ji)(ji)芯(xin)和(he)(he)繞組(zu)的(de)(de)絕(jue)緣外觀(guan)受潮,可能凝結成水露,在潮濕的(de)(de)環境(jing)中閑置的(de)(de)電(dian)(dian)機(ji)(ji)。導致電(dian)(dian)機(ji)(ji)絕(jue)緣電(dian)(dian)阻降低。如果(guo)再次使(shi)用,可能會導致絕(jue)緣擊穿。此(ci)時,電(dian)(dian)機(ji)(ji)需要快(kuai)速干燥(zao)。繞組(zu)一般采用銅(tong)損(sun)耗(hao)法(fa)加(jia)熱,使(shi)電(dian)(dian)機(ji)(ji)芯(xin)和(he)(he)繞組(zu)的(de)(de)溫度(du)高(gao)(gao)于環境(jing)溫度(du)5攝氏(shi)度(du)以(yi)上。
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