Page - 86 - in Short-Term Load Forecasting by Artificial Intelligent Technologies

Energies2019,12, 57 (2) When the SOC continuously dropped to SOClow − 5%, the PEMFC current was increased according to the required loaduntil the SOCwas raised toSOClow +5%,where thePEMFC providedadefault currentof20A. (3) WhenthebatterySOCreachedSOChigh, thePEMFCwasswitchedoff. Figure2.Thehybridpowermodel. ȱ (a)ȱ ȱ (b)ȱ Figure3.Powermanagement. (a)Theprotonexchangemembranefuelcell (PEMFC)management [39]. (b)Theelectrolyzermanagement [33]. 86