驱动ACIM的dsPIC DSC的MCPWM模块

ThisdocumentpresentsanoverviewoftheMotorCon-

trolPWMmodule(MCPWM)presentonthemotorcon-

trolfamilyofdsPIC30FDigitalSignalControllers.Code

examplesareincludedforatypicalthree-phaseAC

InductionMotor(ACIM)controlapplicationusinga

Three-PhaseInvertertopology.GS004DrivinganACIMwiththedsPICDSCMCPWMModuleTheinductanceofthemotorwindingsfiltersthecurrentAuthor:JorgeZambadafromaPWMvoltagesourceasshowninFigure1.MicrochipTechnologyInc.BasedonthisprinciplewecangeneratesinewaveswithPWMsignalstoenergizeathree-phaseACIM,asINTRODUCTIONwewillseeshortlyinthisdocument.ThisdocumentpresentsanoverviewoftheMotorCon-FIGURE1:CURRENTWA