Fig. 16

Waveform of phase A voltage at PCC and three-phase grid-connected current under different grid impediments. (a) \({L}_{g}=0\text{mH}({f}_{r}<{f}_{s}/6)\); (b) \({L}_{g}=3\text{mH}({f}_{r}\approx {f}_{s}/6)\); (c) \({L}_{g}=5\text{mH}({f}_{r}>{f}_{s}/6)\).