%0 Journal Article %T Energy Storage Models for Optimizing Renewable Power Applications %A M.S. Okundamiya %A A.N. Nzeako %J International Journal of Electrical and Power Engineering %D 2012 %I %R 10.3923/ijepe.2010.54.65 %X A detailed analysis of two well-known analytical models, the kinetic battery model and the diffusion model is presented which reveals that the kinetic battery model is a first-order approximation of the more complex diffusion model; both models are well suited for battery life time predictions. In order to optimize their storage capacity, super capacitors are introduced to the renewable energy system which creates a voltage source control that dictates the frequency and AC voltage in the system and mainly responds to sudden energy unbalances while a current source control receives control input from SC voltage difference and mitigates the error-signal in order to fulfill the necessary energy demand on the system. %U http://www.medwellonline.net/abstract/?doi=ijepe.2010.54.65