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PMSM Current waves

soheil3041
Associate II

Hi. I used steval-ipm15b and nucleo-g431 to run a pmsm motor. when I see the current waves in the motor pilot or osciloscope, they are not sinus-shaped waves. can anyone help me what is the problem and what should I do?

1 REPLY 1
GMA
ST Employee

Hello @soheil3041,

Can you share both current wave snapshots? 
Could you add also the motor characteristics and use case MC pilots commands?

If you agree with the answer, please accept it by clicking on 'Accept as solution'.
Best regards.
GMA