20AC8P7A0AYNNNC0參詳

20AC8P7A0AYNNNC0參詳

20AC8P7A0AYNNNC0參詳

變頻節(jié)能

變頻器節(jié)能主要表現在風機、水泵的應用上。風機、泵類負載采用變頻調速后，節(jié)電率為20%～60%，這是因為風機、泵類負載的實際消耗功率基本與轉速的三次方成比例。當用戶需要的平均流量較小時，風機、泵類采用變頻調速使其轉速降低，節(jié)能效果非常明顯。而傳統(tǒng)的風機、泵類采用擋板和閥門進行流量調節(jié)，電動機轉速基本不變，耗電功率變化不大。據統(tǒng)計，風機、泵類電動機用電量占全·用電量的31%，占工業(yè)用電量的50%。在此類負載上使用變頻調速裝置具有非常重要的意義。目前，應用較成功的有恒壓供水、各類風機、中央空調和液壓泵的變頻調速。

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