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永磁變頻空壓機的變頻調速控制
發布時間:2022-03-31   瀏覽:6269次

永磁變頻空壓機的變頻調速控制

  永磁變頻空壓機變頻轉速調節(jie)控制是通過(guo)改變驅動電機的轉速,進而調節(jie)空壓機的轉速來(lai)調節(jie)排氣量。

  變(bian)(bian)(bian)(bian)頻(pin)(pin)空(kong)壓(ya)機(ji)(ji)(ji)的(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)量(liang)(liang)調節(jie)系統(tong)的(de)(de)(de)(de)功(gong)能(neng)是根據(ju)(ju)客(ke)戶用氣(qi)(qi)(qi)(qi)量(liang)(liang)的(de)(de)(de)(de)大小(xiao)(xiao),通過變(bian)(bian)(bian)(bian)頻(pin)(pin)改(gai)變(bian)(bian)(bian)(bian)電(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)轉速(su)來配合不斷變(bian)(bian)(bian)(bian)化的(de)(de)(de)(de)空(kong)氣(qi)(qi)(qi)(qi)需求量(liang)(liang),以便達到供需平(ping)衡。每款變(bian)(bian)(bian)(bian)頻(pin)(pin)機(ji)(ji)(ji)組根據(ju)(ju)型(xing)號的(de)(de)(de)(de)不同(tong),設定有機(ji)(ji)(ji)組實(shi)際運行時(shi)變(bian)(bian)(bian)(bian)頻(pin)(pin)器***大輸出頻(pin)(pin)率(lv)及電(dian)(dian)機(ji)(ji)(ji)***高(gao)(gao)轉速(su)。當客(ke)戶用氣(qi)(qi)(qi)(qi)量(liang)(liang)等(deng)于機(ji)(ji)(ji)組的(de)(de)(de)(de)額定排氣(qi)(qi)(qi)(qi)量(liang)(liang)時(shi),變(bian)(bian)(bian)(bian)頻(pin)(pin)機(ji)(ji)(ji)組調節(jie)變(bian)(bian)(bian)(bian)頻(pin)(pin)電(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)頻(pin)(pin)率(lv)而提高(gao)(gao)主(zhu)機(ji)(ji)(ji)轉速(su),機(ji)(ji)(ji)組在(zai)滿載(zai)狀態(tai)下(xia)運行;當用氣(qi)(qi)(qi)(qi)量(liang)(liang)小(xiao)(xiao)于額定排氣(qi)(qi)(qi)(qi)量(liang)(liang)時(shi),變(bian)(bian)(bian)(bian)頻(pin)(pin)機(ji)(ji)(ji)組將通過降低變(bian)(bian)(bian)(bian)頻(pin)(pin)電(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)頻(pin)(pin)率(lv)從(cong)而降低主(zhu)機(ji)(ji)(ji)轉速(su),相(xiang)應降低進氣(qi)(qi)(qi)(qi)量(liang)(liang);當客(ke)戶停止用氣(qi)(qi)(qi)(qi)時(shi),永磁變(bian)(bian)(bian)(bian)頻(pin)(pin)空(kong)壓(ya)機(ji)(ji)(ji)電(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)頻(pin)(pin)率(lv)降至***低,同(tong)時(shi)關閉進氣(qi)(qi)(qi)(qi)閥不再進氣(qi)(qi)(qi)(qi),機(ji)(ji)(ji)組處于空(kong)載(zai)狀態(tai)在(zai)較低的(de)(de)(de)(de)背壓(ya)下(xia)運行。

  空(kong)壓機(ji)(ji)變頻機(ji)(ji)組配備(bei)的(de)(de)驅動電機(ji)(ji)其(qi)額(e)定(ding)功率(lv)是(shi)一定(ding)的(de)(de),但電機(ji)(ji)的(de)(de)實際(ji)軸(zhou)功率(lv)跟其(qi)負(fu)載(zai)、轉速直(zhi)接相關。永磁變頻空(kong)壓機(ji)(ji)機(ji)(ji)組采(cai)用(yong)變頻調(diao)速,在負(fu)載(zai)降低(di)的(de)(de)情況(kuang)下同時降低(di)轉速,可大大提高輕載(zai)運行時的(de)(de)工作效率(lv),同時能十分(fen)方(fang)便(bian)地連(lian)續調(diao)節,保(bao)持排氣(qi)量和排氣(qi)壓力的(de)(de)穩定(ding)。

  變(bian)(bian)頻(pin)空(kong)(kong)壓(ya)機相對于工頻(pin)空(kong)(kong)壓(ya)機來(lai)說,驅(qu)動(dong)馬達需(xu)要(yao)(yao)為變(bian)(bian)頻(pin)電機,配有變(bian)(bian)頻(pin)器及(ji)相應的(de)電控柜,因此成(cheng)本(ben)會比較高。所以選用永磁(ci)變(bian)(bian)頻(pin)空(kong)(kong)壓(ya)機初次(ci)投資成(cheng)本(ben)較大(da),變(bian)(bian)頻(pin)器本(ben)身(shen)有功率(lv)消耗以及(ji)變(bian)(bian)頻(pin)器散(san)熱(re)通(tong)風***等原(yuan)因,只是用戶耗氣量變(bian)(bian)化范圍大(da)的(de)空(kong)(kong)氣空(kong)(kong)壓(ya)機,經常處在較低負(fu)載才有選擇變(bian)(bian)頻(pin)器的(de)必(bi)要(yao)(yao)。

  變頻空(kong)壓機的主要優點如(ru)下(xia):

  (1)節能效果(guo)明(ming)顯;

  (2)啟動電(dian)流小,對(dui)電(dian)網沖擊(ji)小;

  (3)排氣壓力穩定;

  (4)開山空壓機機組噪(zao)(zao)聲低(di),電機運轉頻(pin)率(lv)低(di),無(wu)頻(pin)繁加卸載噪(zao)(zao)聲。

  文章來源于洛陽恒堅空壓機有限公司官網://abenakii.com