When using Simscape Electrical Specialized components the simulation time slows down significantly

MathWorks Support Team

2022 7 28

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My Simscape model is taking a very long time to complete. I noticed that the more energy sources (from the Simscape Electrical Specialized Power Systems) I add to my model, the longer the simulation time is.

Is there a way to accelerate the simulation time of my model?

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MathWorks Support Team 2022-7-28

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For the context of this answer, let "Ts" be the sampling time of the Simscape model.

The execution time of a Simscape model containing Specialized Power Systems blocks might be improved with the following:

Setting a shorter sampling time "Ts". The minimum sampling time depends on the resolution needed.
Setting the "powergui" blocks to "Discrete mode" with a sampling time "Ts".
Setting the sampling time of other blocks to "Ts".
Re-establishing Library links (if blocks have been previously unlinked).