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隨著(zhu)中國工業經濟的(de)發展，電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)得到(dao)廣泛應用。據統(tong)計，電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)系(xi)統(tong)用電(dian)(dian)(dian)(dian)(dian)量(liang)約占全(quan)國用電(dian)(dian)(dian)(dian)(dian)量(liang)的(de)60%，其中風機(ji)(ji)(ji)用電(dian)(dian)(dian)(dian)(dian)占全(quan)國用電(dian)(dian)(dian)(dian)(dian)量(liang)的(de)10.4%，泵類電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)占20.9%，壓縮(suo)機(ji)(ji)(ji)占9.4%。但是(shi)，我國80%以上的(de)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)產品效(xiao)(xiao)(xiao)率比(bi)(bi)國外(wai)(wai)先(xian)(xian)進水平低(di)2%-5%，電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)系(xi)統(tong)效(xiao)(xiao)(xiao)率比(bi)(bi)國外(wai)(wai)先(xian)(xian)進水平低(di)10%-20%。因此，我國在提高(gao)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)系(xi)統(tong)效(xiao)(xiao)(xiao)率、加(jia)強系(xi)統(tong)節能(neng)管理方面有著(zhu)巨大需求。高(gao)效(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)指(zhi)有效(xiao)(xiao)(xiao)輸(shu)出功率與輸(shu)入功率比(bi)(bi)較高(gao)的(de)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)，主要為(wei)高(gao)效(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)。電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)在將(jiang)電(dian)(dian)(dian)(dian)(dian)能(neng)轉(zhuan)(zhuan)換(huan)(huan)為(wei)機(ji)(ji)(ji)械(xie)能(neng)的(de)同時(shi)，本身也(ye)損(sun)(sun)耗(hao)一(yi)部分能(neng)量(liang)，這些損(sun)(sun)耗(hao)包括繞組損(sun)(sun)耗(hao)、鐵心損(sun)(sun)耗(hao)、風磨(mo)損(sun)(sun)耗(hao)和(he)負(fu)載雜散損(sun)(sun)耗(hao)。高(gao)效(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)和(he)普(pu)通電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)相(xiang)比(bi)(bi)，在將(jiang)電(dian)(dian)(dian)(dian)(dian)能(neng)轉(zhuan)(zhuan)換(huan)(huan)為(wei)機(ji)(ji)(ji)械(xie)能(neng)的(de)能(neng)量(liang)轉(zhuan)(zhuan)換(huan)(huan)過程(cheng)中具(ju)有更(geng)高(gao)的(de)能(neng)量(liang)轉(zhuan)(zhuan)換(huan)(huan)效(xiao)(xiao)(xiao)率和(he)更(geng)低(di)的(de)能(neng)量(liang)損(sun)(sun)耗(hao)。

世(shi)界各(ge)國(guo)都制定(ding)了電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)能(neng)效(xiao)(xiao)(xiao)(xiao)的(de)(de)相(xiang)關標(biao)(biao)準(zhun)(zhun)，根據(ju)美(mei)國(guo)全國(guo)電(dian)(dian)(dian)(dian)(dian)(dian)氣制造商協會(hui)標(biao)(biao)準(zhun)(zhun)，高(gao)(gao)(gao)(gao)(gao)(gao)效(xiao)(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)比標(biao)(biao)準(zhun)(zhun)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)效(xiao)(xiao)(xiao)(xiao)率(lv)提(ti)(ti)高(gao)(gao)(gao)(gao)(gao)(gao)2%-6%，超(chao)高(gao)(gao)(gao)(gao)(gao)(gao)效(xiao)(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)效(xiao)(xiao)(xiao)(xiao)率(lv)高(gao)(gao)(gao)(gao)(gao)(gao)于“NEMA標(biao)(biao)準(zhun)(zhun)”電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)0.8%-4%。高(gao)(gao)(gao)(gao)(gao)(gao)效(xiao)(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)實現“高(gao)(gao)(gao)(gao)(gao)(gao)效(xiao)(xiao)(xiao)(xiao)”的(de)(de)本質是減(jian)少電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)內部的(de)(de)能(neng)量損耗(hao)，高(gao)(gao)(gao)(gao)(gao)(gao)效(xiao)(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)的(de)(de)總損耗(hao)比普通電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)低20%-30%，效(xiao)(xiao)(xiao)(xiao)率(lv)高(gao)(gao)(gao)(gao)(gao)(gao)2%-7%。高(gao)(gao)(gao)(gao)(gao)(gao)效(xiao)(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)的(de)(de)推(tui)廣有利于降低電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)損耗(hao)、提(ti)(ti)高(gao)(gao)(gao)(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)效(xiao)(xiao)(xiao)(xiao)率(lv)。提(ti)(ti)高(gao)(gao)(gao)(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)的(de)(de)效(xiao)(xiao)(xiao)(xiao)率(lv)在電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)系統節(jie)能(neng)中是非常重要的(de)(de)一環。我國(guo)目前(qian)廣泛應用的(de)(de)Y 系列(lie)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)效(xiao)(xiao)(xiao)(xiao)率(lv)平均值為87.3%，而(er)美(mei)國(guo)高(gao)(gao)(gao)(gao)(gao)(gao)效(xiao)(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)的(de)(de)效(xiao)(xiao)(xiao)(xiao)率(lv)平均值為90.3%，其近幾(ji)年推(tui)出的(de)(de)超(chao)高(gao)(gao)(gao)(gao)(gao)(gao)效(xiao)(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)產品效(xiao)(xiao)(xiao)(xiao)率(lv)的(de)(de)平均值更高(gao)(gao)(gao)(gao)(gao)(gao)達91.7%。顯然(ran)，通過提(ti)(ti)高(gao)(gao)(gao)(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)效(xiao)(xiao)(xiao)(xiao)率(lv)來(lai)實現節(jie)約(yue)能(neng)源目的(de)(de)的(de)(de)潛能(neng)巨(ju)大。

目(mu)前我國(guo)電(dian)動(dong)(dong)機(ji)裝機(ji)總容量(liang)(liang)已達4億(yi)(yi)多(duo)kW，年耗(hao)電(dian)量(liang)(liang)達12000億(yi)(yi)kWh，占(zhan)(zhan)全國(guo)總用電(dian)量(liang)(liang)的(de)(de)(de)60%，占(zhan)(zhan)工(gong)業用電(dian)量(liang)(liang)的(de)(de)(de)80%，其中(zhong)風機(ji)、水泵、壓縮機(ji)的(de)(de)(de)裝機(ji)總容量(liang)(liang)已超過2億(yi)(yi)kW，年耗(hao)電(dian)量(liang)(liang)達8000億(yi)(yi)kWh，占(zhan)(zhan)全國(guo)總用電(dian)量(liang)(liang)的(de)(de)(de)40%左(zuo)右，因此電(dian)動(dong)(dong)機(ji)上的(de)(de)(de)節(jie)能(neng)要求極大(da)，也是節(jie)能(neng)效(xiao)果最(zui)能(neng)體(ti)現的(de)(de)(de)地方。采用新型電(dian)機(ji)設計、新工(gong)藝(yi)及新材(cai)料，通過降低電(dian)磁能(neng)、熱(re)能(neng)、機(ji)械能(neng)的(de)(de)(de)損(sun)耗(hao)來(lai)提高(gao)輸出效(xiao)率(lv)，高(gao)效(xiao)節(jie)能(neng)電(dian)機(ji)比(bi)傳統電(dian)機(ji)效(xiao)率(lv)大(da)約高(gao)3%-5%，目(mu)前達到2級能(neng)效(xiao)指標電(dian)機(ji)的(de)(de)(de)占(zhan)(zhan)比(bi)不足10%，發(fa)展空(kong)間廣(guang)闊。