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TMS320F280039C: Implementing the Phase loop locked

chaluvadi gowtham
Prodigy 20 points
Part Number: TMS320F280039C
Other Parts Discussed in Thread: C2000WARE, PMP23338

Tool/software:

I was facing issue on implementing the PLL code.

in the PLL how to design a LPF filter or how to consider the coefficents for the LPF for three phase active end converter.

  • 0
    Prodigy 20 points

    Part Number: TMS320F280039C

    Tool/software:

    I was working on active front rectifier, for the control part SPLL is required for the detection of the phase. I have gone through the documentation of TI; there we need a LPF I want to know how the coefficient b0&b1 has to be considered in the file: ti\C2000Ware_DigitalPower_SDK_4_04_00_00\libraries\spll\spll_3ph_srf. How to calculate the value?

  • 0 in reply to chaluvadi gowtham
    TI__Expert 3155 points

    Hello Chaluvadi

    Please refer to pmp23338 reference design. This uses single phase SPLL for control purpose. I hope you will get an idea how determine the value the coefficient.

    Thank you

    Amir Hussain