You can select the DC source in Electrical Sources category of the block set and a MOSFET for switching in Power Electronics Category.įor the Components Inductor, Capacitor, Resistive load you need to place parallel RLC branch from elements category and you can select the appropriate component from its property window (parameter type drop down menu). First you need to place powergui block on top of your simulation file which found in SimPowerSystems block set. Design Problemĭesign switch mode power supply (a buck converter) for Input voltage 30V, output voltage 20V and with 100µH of storage element for,įind pulse width D for 20 KHz of pulse frequency.įor the simulations, in MATLAB simulink open the SimPowerSystems Block set. From this article I’ll work on design a buck converter works on continuous mode and another in discontinuous mode with calculations and to implement both on MATLAB simulink.
MATLAB simulink SimPowerSystems block set gives a best solution in simulating switch mode power supplies. We face this problem specially on simulating isolated switch mode converters such as fly-back converter. When dealing with switch mode power supply design, we faced a problem in simulating SMPS circuits since most of simulation software is not flexible with simulating circuits which has tapped transformers. Switch Mode Power Supplies MATLAB simulation 1.0
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