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164 From smart grid to internet of energy

FIG. 4.21 Obtained output waveforms for the WECS.

exploited in the first case study [95]. The power output of solar plant versus
changing irradiation values is shown in Fig. 4.22. Even though the changing
irradiation leads to fluctuations on the PV voltage output, the designed buck
converter overcomes this issue with respect to employed MPPT algorithm
and the output can be fixed to desired power level.
The separate voltage outputs of WECS and solar plant are combined via
DC bus system and it is fed to the designed inverter at 24 V constant value,

FIG. 4.22 Obtained output waveforms for the solar plant.