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why the transfer function is used in "pmsm speed control" in current loop?

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Raju Rambha on 14 Dec 2018

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Answered: Sabin on 27 Jan 2023

Hi all,

In speed control of PMSM link:https://in.mathworks.com/help/physmod/sps/examples/permanent-magnet-synchronous-machine.html. In side PWM Inverter, in series to the current iabc (feedback current) there is a transfer function. why it is used? Is is a filter or to generate freqency? How to model our transfer function for our motor with low ratings. Is it necessary?

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Sabin on 27 Jan 2023

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The transfer function is used to model the sensor dynamics but also to break algebraic loops. I hope this helps.

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