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Calculation of RMS like dc signal for a sinusoidal signal using Simulink algorithm

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I have Line-to-line sinusoidal voltage reading as L1-L2, L2-L3 and L3-L1. I want to get RMS-like DC-signal that is equal to 400V when input voltage is 400V when there is no unbalance. I want to implement it using simulink algorithm in the discrete solver environment. There is no buit in block in simulink to calculate this RMS value from a sinusoidal signal like in Simscape. Can anybody share any idea for the algorithm? Thank you.

Respuestas (2)

Fangjun Jiang
Fangjun Jiang el 14 de Mzo. de 2024
  2 comentarios
Khaled el 15 de Mzo. de 2024
I can't use Simscape Elictrical block and this is the main reason.
Fangjun Jiang
Fangjun Jiang el 15 de Mzo. de 2024
I see. You don't have the SimScape Electrical toolbox. If you don't have the DSP toolbox either, then you might want to use the MATLAB Function block to utilize the MATLAB rms() function.

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Mukendi Alonso
Mukendi Alonso el 15 de Mzo. de 2024
You can get RMS block in elctrical-specialyse power system- sensor and measurement labery

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