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Constant Power Load (CPL) block Simscape Electrical

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Krupa Prag
Krupa Prag on 13 Oct 2020
Commented: Krupa Prag on 19 Oct 2020
I currently am designing a Buck-Boost Converter using the blocks from powerlib Simulink.
I would like to add a CPL to the circuit. However, this block exists in another library and is not compatible with my current circuit design.
Any suggestions on how to modify the circuit to include this component or would the entire circuit have to be rebuilt using Simscape Electrical library. I would like to use this environment with the reinforcement learning functionalities.

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Answers (1)

Joel Van Sickel
Joel Van Sickel on 14 Oct 2020
Hello Krupa,
you can build your own constant power load using a controlled source. use a controlled current source and calculate the current using P/V = I. To break the algebraic loop, put a low pass filter between this calculation and the controlled current source. You can create a low pass filter with the transfer function block. Have the numerator = [1] and the denominator = [1/(2*pi*100) 1]. This will not be an ideal constant power load, but will be quite close to a constant power load and can be implemented in any number of circuit simulators.





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