The Online Journal on Power and Energy Engineering (OJPEE) Vol. (2) – No. (2) Reference Number: W10-0016 188 Control and Optimal Sizing of PV-WIND Powered Rural Zone in Egypt Hanaa M. Farghally 1 , Faten H. Fahmy 1 , and Mohamed A. H.EL-Sayed 2 1 Electronics Research Institute, National Research Center Building, Cairo, Egypt 2 Center of Energy Studies, University of Trinidad of Tobago hanaa abdallah <farghally555@yahoo.com> Abstract-Due to intermittent natural energy resources and energy resources seasonal unbalance, a PV-wind hybrid electrical power supply system was developed for many remote locations where a conventional grid connection is inconvenient or expensive. This paper presents the sizing of a complete PV-Wind hybrid system for supplying electricity to emergency hospital, school and home buildings according to their energy requirements. The computer program (HOMER Pro.) solves the optimization problem to minimize the objective function considering the different constraints and provides the optimum wind, solar and battery ratings. Also, a neural network controller is developed for achieving the coordination between system components as well as control the energy flows. Keywords-hybrid system, sizing, photovoltaic system, wind system, battery bank. Optimization problem, neural controller. I. INTRODUCTION Renewable energy resources such as solar and wind are abundant energy sources. The supply of renewable energy resources is inexhaustible practically, and using renewable energy poses very little environment risk. In rural remote areas, electricity could still be available if stand-alone renewable electricity power sources are used .One of the most promising applications of renewable energy technology is the installation of hybrid energy systems, where the cost of grid extension is prohibitive and the price of fuel increases drastically with the remoteness of the location. It has been demonstrated that hybrid energy systems can significantly reduce the total life cycle cost of stand-alone power supplies in many situations, while at the same time providing a more reliable supply of electricity through the combination of energy sources [1]. This work presents the sizing of an optimal PV-Wind hybrid system. Also, in this paper a neural network control strategy for achieving the coordination between system components as well as control the energy flows is proposed. Fig. 1 shows schematic diagram for PV- Wind hybrid system in rural zones II. SITE CHARACTERRISTICS The chosen zone is a remote area in Eastern desert was selected as the site under consideration The area is located on the Red Sea approximately 20 km north of the city of Safaga Latitude 27° 17', north and Longitude. 33° 46', east [2] Figure (1): Hybrid energy system components. III. RESOURCE AND LOAD DATA The Red-Sea Coast is known as a rich area of wind energy and solar energy. The available wind and solar resources greatly influence both the configuration and the cost of a hybrid system. Monthly average wind speed and solar insolation data for the selected remote area are shown in Figs 2&3 [2]. The electrical load data gives detailed information about the equipments to be powered: their number, nominal power and the number of hours of operation in a typical day. The load profiles can be deduced from the load data. Fig. 4 shows the load profiles of the three buildings for the winter and summer seasons. These data are used in system sizing, and the generation and load are assumed to keep constant in each hour interval. Figure (2): Monthly average solar insolation