Output voltage ripple is shown in the following figures.

In the following waveforms, channel 1 in dark blue is load current; channel 2 in light blue is input voltage; channel 3 in purple is AC portion of output voltage; channel 4 in green is the primary current.

Figure 3-14 Output Voltage Ripple With 400 VDC, ±20-VAC Input, 0-A Load

Figure 3-16 Output Voltage Ripple With 400 VDC, ±20-VAC Input, 84-A Load

Figure 3-15 Output Voltage Ripple With 400 VDC, ±10-VAC Input, 42-A Load