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TMS320F28377D: How to use SFRA to identify the dual control loop parameter

Joe Ji
Intellectual 2675 points
Part Number: TMS320F28377D
Other Parts Discussed in Thread: SFRA, C2000WARE

Tool/software:

Hi team

Customer want to use SFRA to design the power electronic control loop, inner loop is current loop and out loop is voltage. How to use SFRA to identify the dual control loop parameter.

Thanks

Joe

  • 0
    TI__Intellectual 2675 points

    Hi team

    Could you please kindly update this thread.

    Thanks

    Joe

  • +1 in reply to Joe Ji
    TI__Intellectual 1200 points

    Joe,

    At present, SFRA library can be used for a single loop analysis.

    SFRA_F32_INJECT and SFRA_F32_COLLECT functions helps in providing small signal frequency injection in addition to reference and collecting the output parameters based on open loop/closed loop selection in SFRA_F32_config function.

    More information is available on how to use in documentation (C2000Ware_DigitalPower_SDK_xxx\libraries\sfra\docs) and www.ti.com/lit/ug/spruik4a/spruik4a.pdf?ts=1717387316590


    Can you provide block diagram of dual loop, that would help to answer!

    Thanks and Regards,

    Shashank