Abstract

Securing energy supply and diversifying the energy sources is one of the main goals of energy strategy for most countries. Due to climate change, wind energy is becoming increasingly important as a method of CO2-free energy generation. In this paper, a wind farm with five turbines located in Jerash, a city in northern Jordan, has been designed and analyzed. Optimization of wind farms is an important factor in the design stage to minimize the cost of wind energy to become more competitive and economically attractive. The analyses have been carried out using the WindFarm software to examine the significance of wind turbines’ layouts (M, straight and arch shapes) and spacing on the final energy yield. In this research, arranging the turbines facing the main wind direction with five times rotor diameter distance between each turbine has been simulated, and has resulted in 22.75, 22.87 and 21.997 GWh/year for the M shape, Straight line and Arch shape, respectively. Whereas, reducing the distance between turbines to 2.5 times of the rotor diameter (D) resulted in a reduction of the wind farm energy yield to 22.68, 21.498 and 21.5463 GWh/year for the M shape, Straight line and Arch shape, respectively. The energetic efficiency gain for the optimized wind turbines compared to the modeled layouts regarding the distances between the wind turbines. The energetic efficiency gain has been in the range between 8.9% for 5D (rotor diameter) straight layout to 15.9% for 2.5D straight layout.

Highlights

  • Nowadays, wind turbines are usually installed in so-called wind farms

  • In this research it could be shown that optimization techniques have been recentthe years, more havethe been done for possible an optimized arrangement of wind usedDuring to optimize wind farmdevelopments layout to harvest maximum energy from the prevailing turbines in larger wind farms

  • In this research it could be shown that optimization techniques wind

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Summary

Introduction

Wind turbines are usually installed in so-called wind farms. For space and cost reasons, the wind turbines should be as close as possible to each other, but not mutually influence each other. The wind turbines need to be arranged in a layout according to the prevailing wind direction, in order to harvest the maximum energy [1]. There are several criteria which have been considered for the selection of a site for a largescale wind energy farm, such as annual average wind speed, main direction and energy generation. Other factors are considered that depend upon the site selection, such as local infrastructure, soil composition and availability of electrical network. Wind turbines can be adapted to meteorological conditions due to their aerodynamic shape

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