Fig. 10

Harmonic spectra of source/grid current under a fixed non-linear load—(a) under balanced PCC voltage condition with PV power injection at an irradiance level of 0 W/m2, (b) under unbalanced PCC voltage condition with PV power injection at an irradiance level of 0 W/m2, (c) under balanced PCC voltage condition with PV power injection at an irradiance level of 600 W/m2, and (d) under unbalanced PCC voltage condition with PV power injection at an irradiance level of 600 W/m2.