I solve some problem on this simulink model and lower the THD, but the THD is still a little high

I checked your model. first, use a three phase source with at least 100 MVASC for the low voltage (use a source with internal impedance). Second, the series inductor value seems so small, better to use a series inductor with %z between 5 to 8% (calculate L based on the rated current and voltage). I believe the THD will be dramatically reduced 

OK, Thank you very much! @ Hany Hamed

Hi, Lei Huang

Do you have reference paper for your control method.

I am interested in this method.

Thank you