简介:Arobustslidingmodeobserverforpermanentmagnetsynchronousmotordrives,ASensorlessInitialRotorPositionEstimationSchemeforaDirectTorqueControlledInteriorPermanentMagnetSynchronousMotorDrive,Asensorlessspeedestimatorforthedirecttorquecontrolofaninteriorpermanentmagnetsynchronousmotordrive,Asensorless,stableV/fcontrolmethodforpermanent-magnetsynchronousmotordrives,Astudyonhysteresisanalysisoflinestartpermanentmagnetmotorusingpreisachmodeling,AstudyonironlossanalysismethodconsideringtheharmonicsofthefluxdensitywaveformusingironlosscurvestestedonEpsteinsamples。
简介:Acombinednumericalandanalyticalmethodforcalculatingthetorqueofanasynchronousmotorwithasolidrotor;Amathematicalmodelofanasynchronousmotorinageneralizedorthogonalsystemofcoordinates;ANEWTECHNIQUEOFTHEREPEATEDPWMCOMMANDDESTINEDTOTHEPHOTOVOLTAICPUMPINGSYSTEM;ACTIONOFTHECONDENSERCAPACITYONTHEINDICATIONSOFSINGLEPHASEASYNCHRONOUSMOTORQUALITY;Ananalysisofvibrationsofanasynchronousmotorwhenthereisadoublednumberofphasesofthepowersupplyvoltage;Aninvestigationofthemethodsofsuppressingsynchronousandasynchronousadditionaltorquesincapacitormotorsofincreasepowerandtheirautomateddesign;
简介:3-Dmagneticfieldanalysisofpermanentmagnetmotorconsideringmagnetizingdemagnetizingandeddycurrentloss;AcomparativeanalysisoffuzzylogicandPIspeedcontrolinhigh-performanceACdrivesusingexperimentalapproach;Acurrentsensorlessdrivesystemofasynchronousmotorwithalow-resolutionpositionsensor;ADesignProcedurefortheApplications-SpecificElectricMotors;Adirecttorque-controlledinteriorpermanent-magnetsynchronousmotordrivewithoutaspeedsensor;Adiscrete-timepredictivecurrentcontrolforPMSM;
简介:Asynchronousmotoroverturnwithavectorialcontrolsystem,Developmentsonbearinglessdrivetechnology,Identifyingtheasynchronousmotorinnervalues,On-lineestimationofquantitiesusingartificialneuralnetworks,Researchonflywheelenergystoragesystemforpowerquality,SIMULATIONOFAPVPANEL-INVERTERMOTOPUMPASSOCIATIONINPHOTOVOLTAICPUMPINGSYSTEMS,Simulationoffieldorientationcontrolforatwo-phaseasynchronousmotor。
简介:ANewFuzzyLogicControllerBasedIPMSynchronousMotorDrive.Anewposition-sensorlesspositioncontrolmethodforhigh-speedspindlesystems,Anovelcalculationmethodforironlossresistancesuitableinmodelingpermanent-magnetsynchronousmotors,AnovelPWMinverterbasedonphasesegregatedanalysis
简介:摘要:电动机在运行过程中线路经常会出现短路、过载、欠压等各种故障,影响生产效率、经济效益及安全生产。因此,在生产机械的电气控制线路中,采取对电动机的保护措施,确保电动机能够正常运行十分重要。本文主要阐述了短路保护、过载保护及欠压保护的危害、常用的保护电器和保护电器工作原理。
简介:[摘要] 通过自制“看见”电流的电动机,将看不见的电流转换成发光二极管的亮暗,让学生能够直观的“看到”电路中的电流方向。在教学过程中,以实验探究为载体,通过看的见的实验现象总结归纳出换向器是如何改变电路中的电流方向,培养科学素养,给学生留下对他们终身发展最有价值的东西。