How to obtain output voltage ripple waveform and inductor current ripple waveform for Buck Boost converter on Simulink?
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Using the circuit from the command "power_BuckBoostConverter" , how can I obtain output voltage ripple waveform and inductor current ripple waveform?
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Vishwa
2023년 3월 20일
In "power_BuckBoostConverter" example, both inductor current waveform and output voltage waveform containing ripples are being monitored in the main scope. You can zoom to view just 2 or 3 switching cycles to see the ripple. You can also export these waveforms to ‘base’ workspace if desired. Save Simulation Data - MATLAB & Simulink (mathworks.com)
Further, since it is not clear from your question whether you just want the ripple content. If so, then you can add Large-signal model of Buck-Boost converter next to the switching circuit. Large-signal model will track only the average component. You can then subtract the output of large-signal model with the actual waveform of the switching circuit simulation to get just the ripple current/voltage waveform.
Hope it helps.
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