Tool/software: Code Composer Studio
When the resistive load was loaded at the PFC level and converted from DCM to CCM mode at about 2.4kw, the current waveform was abnormal.
After loading, the current waveform is distorted, which is easy to cause shock on both sides.
At present, the input current tends to oscillate on both sides, and the current waveform is not a sine wave, as the "test wave" image.(Green for A phase current, blue A phase voltage, yellow for A phase on the tube drive)
The drive is unipolar modulating according to the control voltage, and the control voltage is basically opposite to the phase voltage when it is stable.



