Design DC to AC Inverter for electric vehicles using (MATLAB/SIMULINK)

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Electrical Engineering

Design DC to AC Inverter for electric vehicles using(MATLAB/SIMULINK)

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Model Development ProcessThe model development process consists of1 determining how the model will be used2 identifying the key equations parameters andassumptions3 building and refining the modeland then4 the actual model application and evaluation The model can beused to evaluate the energy flow of a DC motor drive train and todetermine the ability of the system to meet specific drive cyclespeed and torque requirements The major components of the modelare input road torque input road speed motor model motorcontroller model battery model and PI controllerA block diagram of the model is presented below in Figure 2 DCDrive Simulation Model In the model the required Road Speed andRoad Torque are inputs and the major model blocks arethe Motor Model Controller Model Battery Model PI ControllerModel and feedback from the PI Controller to the main powercontroller The feedback includes a onesample delay with aninitial condition to prevent an algebraic loop in the SimulinkmodelKey EquationsDetermining the key equations and their corresponding variables andparameters is a necessary first step in model development Eachblock in this simplified model represents one or more majorequations as listed belowDC MotorAs noted earlier Battery Electric Vehicles BEV and HybridElectric Vehicles HEV frequently use special high efficiencyPermanent Magnet Synchronous Motors PMSM This type of motor maybe referred to as a brushless DC motor because it runs from DCvoltage but does not have brushes PMSM motors actually use ACvoltage that is supplied by the Motor Controller The motorcontroller inverts See Answer

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