HereisabriefintroductiontoGB18613-2020inEnglish:GB18613-2020istheChinesenationalstandardtitled"Minimumallowablevaluesofenergyefficiencyandenergyefficiencygradesforelectricmotors."Thisstandardspecifiestheminimumenergyefficiencyrequirementsandclassificationsystemforthree-phaseasynchronousmotorswithratedvoltagebelow1000Vandratedpowerbetween0.75kWand375kW.Thestandardestablishesenergyefficiencygrades(fromIE1toIE4)thatalignwithinternationalIECstandards,withIE3beingtheminimumefficiencylevelrequiredformostmotors.Itaimstoimprovemotorenergyefficiency,reduceelectricityconsumption,andpromoteenergyconservationinindustrialapplications.FirstimplementedonJune1,2021,GB18613-2020replacestheprevious2012versionwithstricterefficiencyrequirements.ThestandardappliestomotorsmanufacturedorimportedintoChinaandservesasthetechnicalbasisforChina'smotorenergyefficiencylabelingsystemandregulatorycompliance.
