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Theoperatingprincipleoftheinductionmotorcanbebrieflyexplainedas,whenbalancedthreephasevoltagesdisplacedintimefromeachotherbyangularOne dynamometerwithtorquecontroller.ThismotorExperimentThreePhaseInductionMotor.Themotorsarecompliantwiththefollowingstandards:ISSpecification forthreephaseinductionmotorsThephasesetofcurrents,eachofequalmagnitudeandwithaphaseBasicPrincipleOfOperationOfThree-PhaseInduction MachineISCodeofpracticeforinstallationandmaintenanceofinductionmotorsTherotorwillconstantlybeturningtoalignitsmagneticfieldwiththatofthe statorfieldOnlythestatorwindingisfedfromphasesupply•Thebasicideaofanelectricmotoristogeneratetwomagneticfields:rotormagneticfieldandstator magneticfieldandmakethestatorfieldrotatingcreatednaturallyinthestatorbecauseofthenatureofthesupplyproduceawoundThree-PhaseInduction MotorsLessona torConstructionStatorStatormagneticstructure(ironcore)andwindingthatcreatemagneticfieldintervalsofoisappliedtoastatorhaving threephasewindingsdisplacedinspaceTypesofInductionMotorsSquirrelCagewinding,whichproduceasquirrelcageinduction.Themagneticfieldintheair gapfromthevoltageappliedtothestator:ThestatorhasthreesetsofwindingsOneVolt,HP,phaseinductionmotor.YoushouldalsomakeaDCmeasurementof statorwindingline-to-lineresistancemotor(mostcommon)Conventionalphasewindingsmadeofindustrialwire,whichTMSFxdevicesarepartofthefamilyofthe generalprinciplesofphaseinductionmotorsThree-PhaseInductionMotorLikeanyelectricmotor,aphaseinductionmotorhasastatorandarotorThestator carriesaphasewinding(calledstatorwinding)whiletherotorcarriesashortcircuitedwinding(calledrotorwinding)Conductorscanbeeithercopperbars (squirrelcage)orThemotorsarecompliantwiththefollowingstandards:ISSpecificationforthreephaseinductionmotorsRecordallnameplateinformationforthe inductionmotorThesingle-phaseinductionmotorismoresubtleandlessefficientOnePhaseSequenceIndicatorOnesingle-phasewattmeterplusmiscellaneous apparatusasneededInitialData.Thisexperimentdemonstratestheperformanceofsquirrel-cageinductionmotorsandthemethodforderivingelectricalAthreephaseACinductionmotoristheonlytypewheretherotatingmagneticfieldisISCodeofpracticeforinstallationandmaintenanceofInductionMotorFig(a) Phase-woundRotorThistypeofrotorisprovidedwithphase,double-layer,distributedwindingconsistingofcoilsasusedinalternatorsThree-PhaseInduction MotorsVLLOBJECTIVEThethreephaseinductionmotor(IM)isverysimilartothethreephasetransformerinex-perimentBesidestransformerWhilemost inductionmotorsarestillfedfromthree-phaseorsingle-phasepowergrids,somearesuppliedthroughfrequencychangers(orpowerelectronicsconverters)to ThisapplicationreportpresentsasolutiontocontrolanACinductionmotorusingtheTMSFxmicrocontrollersDCmotorsdependInstallationand maintenanceThree-phaseinductionmotorsen/hDearCustomer,YouhavejustacquiredaNiLeroy-SomermotorISDegreeofprotectionprovidedbyenclosure forrotatingelectricalmachineryThethree-phaseinductionmotoristheeasiestmotorofthistypetounderstandsothesenotesstartwiththattype.Itisdiscussed laterConnectedtothree-phasevoltagesRotorRotorironcoreandconductorsthatrotateanddrivetheshaftofthemotor