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TMS320F280049C: tms320f280049c

sagar yadav1
Intellectual 470 points
Part Number: TMS320F280049C


hi,

I am implementing FOC algorithm for sensored BLDC Motor.   I am not using Speed Loop.  i am using CT for sensing of output current . I am doing CLARK and PArk transformation. Dq is feedback to Torque PI loop. Throttle will give torque command to the FOC and refernce for Torque PI  Loop.

Am I doing right or wrong ?

At no load on Motor  For min. throttle value speed is get increasing .

what should be current Iq graph?

How to implement torque mode w.r.t. throttle Input ?

Regards,

  • 0
    TI__Guru 50611 points

    Hi,

    Due to holiday break, the subject matter experts are out of office until end of the year. So please expect response by end of first week of January. Sorry for inconvenience.

  • 0 in reply to Santosh Jha
    TI__Guru** 115500 points

    The algorithm you impemented is correct. You have to set the right torque current and add a load to the motor for limiting the speed when you run the motor with torque control without speed closed-loop. Other the motor can't start up or run to very high speed.

    The feedback Iq should be a constant DC current with a little bit vibration that is closed to the settting rerference torque current.