MATLAB: Back-EMF of PMSM

Question

Hi everyone,

I'm writing a thesis about PMSM (AC Permanent Magent motor ), in which I should control the regenerative energy during it's braking. I have been wodering for a week, how the Back-EMF of PMSM can be simulated in Simulink, but still can not find a solution. Can someone give me some advices for this matter. I'm very grateful for your help.

Answer 1

If you're using Permanent Magnet Machine from Simscape library, I think, it has backemf as output signal. If you're building the machine model by yourself, you need to calculate it based on the rotor position and machine parameters

http://uk.mathworks.com/help/physmod/sps/powersys/ref/permanentmagnetsynchronousmachine.html