Abstract
In this paper, the optimal design and operation of a hybrid renewable power system is investigated using Invasive Weed Optimization (IWO) technique. The developed algorithm is validated on three different configurations of the grid-connected PV/Wind/Fuel cell system for supplying the load demand in Ataka region in Egypt. The IWO algorithm is adapted for generating the optimal capacities of the generating units while minimizing the cost of energy (COE) generated from the proposed system. In this study, the reliability index is taken as the loss of power supply probability (LPSP). The optimal design of the system is obtained under an acceptable energy fluctuation level and utilization of the renewable resources. In addition, statistical analysis of the results obtained in different system configurations are performed for validating the accuracy and stability of IWO algorithm.
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