Simscape - how to set outputs from measurement blocks as complex values

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Vanja Svenda 2018-6-12

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https://ww2.mathworks.cn/matlabcentral/answers/405336-simscape-how-to-set-outputs-from-measurement-blocks-as-complex-values

回答： Joel Van Sickel 2020-9-2

Gang-simscape.png

Hello,

Attached is my simple Simulink (Simscape) model. My question would be: is it possible to get output values from the "Three-Phase V-I Measurement" block as complex numbers? I have set up all the parameters as I thought they should be, but as you can see I still get real values for that block output (Vabc). Am I doing something wrong?

Thanks

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Answer 1

Joel Van Sickel 2020-9-2

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https://ww2.mathworks.cn/matlabcentral/answers/405336-simscape-how-to-set-outputs-from-measurement-blocks-as-complex-values#answer_488660

Hello Vanja,

these models do not output complex values, they output the instantaneous actual value at a given time. All three phase's instintaneous values are available, so youc an calculate the complex representation, but the signals should still be maintained as real-scalars inside the simulink model if you want to manipulate them. You can use blocks like this if you want to use complex numbers in simulink: https://www.mathworks.com/help/simulink/slref/realimagtocomplex.html,

Regards,

Joel