Fig. 19

Real-time waveforms of three-phase source/grid currents and DC-link voltage under a sudden load change at an irradiance level of 700 W/m²—(a) waveforms under balanced PCC voltage condition, and (b) waveforms under unbalanced PCC voltage condition. CH1 to CH3: source/grid current waveforms (2.5 A/div); CH4: DC-link voltage (200 V/div).