How to simulate in function of duty cycle instead of time?

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Dear colleagues,
I'm doing the bachelor thesis about using dc-dc converters with PV Panels. See 1st photo
When I run the model it run in function of time, but I would like to do a simulation with the duty cycle in the Scopes. I mean, to show the output values when the converter works with different duty cycle (I don't care about time).
I don't know how to do it and I would be very grateful if you could give me a clue or a help with that.
Thank you in advance.

Accepted Answer

Joel Van Sickel
Joel Van Sickel on 28 Sep 2022
Hello Pedro,
It might be a bit noisy, if you want to post process the data to remove noise, please see below.
To do this with clean data, you'll only want the steady state solution. I would model the system in time, and step it through a few discrete duty cycles, for instance, 0.1, 0.2, 0.3, 0.4, 0.5, etc. Then you can take the steady state operating point for each duty cycle and plot that vs duty cycle. This will require creating a matlab script to post process the data and plot it after the simulation has run.
Regards,
Joel
  3 Comments
Pedro José Servián García
Pedro José Servián García on 20 Nov 2022 at 22:26
Hello Joel, finally I used it to fix my problem, thank you very much!!!!! I have another query about an error in the PV Array, I don't know if you could help me. It's on another question thread

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