开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!
查看详情Thisstandardspecifiestheenergyefficiencygrades,minimumallowablevaluesofenergyefficiencyandtestingmethodsofthree-phaseasynchronousmotors,single-phaseasynchronousmotorsandairconditionerfanmotors.
Thisstandardisapplicabletogeneralmotorsandgeneralexplosion-proofmotorsofwhichthepowerissuppliedby50Hzthree-phaseACpowersupply,withtheratedvoltageoflessthan1000V,theratedpowerrangingfrom120Wto1000kW,2,4,6or8poles,single-speedenclosedfan-cooledtype,Ndesignandcontinuousduty.Thisstandardisalsoapplicabletothegeneralmotors(e.g.capacitor-startasynchronousmotors(120W~3700W),capacitor-runasynchronousmotors(120W~2200W)andtwo-valuecapacitorasynchronousmotors(250W~3700W))suppliedby50HzACpowersupplywiththevoltageof≤690V,andthecapacitor-runasynchronousmotors(10W~1100W)andbrushlessDCmotors(10W~1100W)forairconditionerfans.
上一篇:电动机能效限定值及能效等级
下一篇:工业锅炉能效限定值及能效等级