TMS320F28379D: LCL filter design reference - TIDA-01606

Jalal Dadkhah

Prodigy 90 points

Part Number: TMS320F28379D
Other Parts Discussed in Thread: TIDA-01606, TIDM-HV-1PH-DCAC, C2000WARE

Dear support team,

I am wondering if you can provide me with a reference paper for LCL filter design of TIDA-01606.

Regards,

Jalal Dadkhah

University of Manitoba

over 5 years ago

0 Manish Bhardwaj over 5 years ago

TI__Mastermind 43730 points

Jalal,

We follow a similar procedure as in the excel file in the SDK for the TIDM-HV-1PH-DCAC

C:\ti\c2000\C2000Ware_DigitalPower_SDK_3_01_00_00\solutions\tidm_hv_1ph_dcac\hardware\baseboard

L is determined by the switching ripple tolerable, this is ~ 28% on this ref design

Cf is determined by the VAR% tolerable, typicall less than 5%

Lg is then selected to keep the LCL resonance above Fsw/6

0 Jalal Dadkhah over 5 years ago in reply to Manish Bhardwaj

Prodigy 90 points

Thank you for your reply. I have a follow-up question. I am wondering that 400 is the line to neutral voltage and it should be multiplied by the square root of 3.

0 Manish Bhardwaj over 5 years ago in reply to Jalal Dadkhah

TI__Mastermind 43730 points

Yes, I will expect the VL-N rms value being used there

0 Jalal Dadkhah over 5 years ago in reply to Manish Bhardwaj

Prodigy 90 points

Hi Manish,

Thank you for your reply. If 400 V is VL_N rms, then it should be multiplied by square root of 3 to convert it to VL-Lrms. I do not understand why 400 is divided by square root of 3. Is it a mistake?

Regards,

Jalal

0 Manish Bhardwaj over 5 years ago in reply to Jalal Dadkhah

TI__Mastermind 43730 points

Jalal,

400 is VL-L,

230 will be the VL-N.

-Manish

C2000™︎ microcontrollers

C2000 microcontrollers forum

TMS320F28379D: LCL filter design reference - TIDA-01606