Methodology for Optimal Sizing & Power Management of Hybrid Energy System

This paper proposes a Hybrid Energy System (HES) which combines solar Photovoltaic (PV) and Wind Turbine (WT) as a small-scale alternative source of electrical energy for the problem of optimal sizing and economic assessment such that the demand of residential area is met. It also uses Diesel Generator (DG) and battery bank to cover the emergency loads energy. Covering the load demand under varying weather conditions is the main constraint in this study. The main objective of this paper is to address the Power Management Strategy and cost optimization for HES. Algorithm has been suggested to evaluate the optimal sizing of components in HES and load demand is fulfilled at every instant. In this, the electrification costs like capital, replacement, operation and maintenance cost and fuel cost are considered for optimal design. Proposed study would be feasible solution for distributed generation of electric power for stand-alone applications at remote locations.

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