TMS320F2800137: How to use SFRA for frequency sweep in bidirectional inverter mode?

mike xu

Prodigy 10 points

Part Number: TMS320F2800137
Other Parts Discussed in Thread: SFRA, C2000WARE

How to use SFRA for frequency sweep in bidirectional inverter mode and correctly obtain the loop Bode plot?

6 天前

0 Taylor 6 天前

TI__Mastermind 39445 points

Hi,

We have received your post and the investigation will take some time. Thank you for your patience.

0 Taylor 6 天前回复 Taylor

TI__Mastermind 39445 points

Hi,

You can go through "C2000 Software Frequency Response Analyzer (SFRA) Library User’s Guide (Rev. A)" for using SFRA Library. There is an example showcasing SFRA functionality in "C2000Ware_DigitalPower_SDK_5_vv\libraries\sfra\examples" which you can refer.

0 mike xu 1 小时前回复 Taylor

Prodigy 10 points

I have read this article and used it accordingly, but during the process, I found that the Bode plot near my original signal frequency was completely inconsistent with reality, and its graph in this section was chaotic.

0 mike xu 20 分钟前回复 mike xu

Prodigy 10 points

Hi,

I want to know if the SFRA procedure does any special handling of disturbances at a given frequency compared to disturbances at other frequencies.Thanks，Bro.

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TMS320F2800137: How to use SFRA for frequency sweep in bidirectional inverter mode?