I am trying to simulate the following case: A three-phase source in a Matlab is connected to a Vienna Rectifier which is supposed to supply power to a resistive load of 50KW. Output DC voltage to be 800V DC and the input voltage is 400V AC. Technically a Vienna rectifier after rectification also improves power factor, that is, reduces the input current distortion to be less than 5%. I have designed almost everything correctly still neither the Vienna rectifier is reducing the input current distortion nor it is boosting the output voltage at the DC link to be 800V. I cannot figure out what is wrong. I am trying to solve this problem for the past 2 weeks still no solution.
Please guide me with any resource or any advice or suggestion.