Fig. 6

Active and reactive powers of MMC output during step change of reference active power from 0 to 2 kW. (a) Rectifier mode (p > 0 absorbing power from ac grid), (b) inverter mode (p < 0 injecting power to ac grid).

Active and reactive powers of MMC output during step change of reference active power from 0 to 2 kW. (a) Rectifier mode (p > 0 absorbing power from ac grid), (b) inverter mode (p < 0 injecting power to ac grid).