Proposed 2MW Wind Turbine for Use in the Governorate of Dhofar at the Sultanate of Oman

Abstract

In this work, we propose a preliminary design of a horizontal-axis wind turbine (HAWT) as a candidate for the Dhofar Wind Farm project, in the southern Omani Governorate "Dhofar", at the southwest part of the Sultanate of Oman. This wind farm (under construction) is considered to be the first commercial, utility-scale (50MW) wind farm in the GCC (Gulf Cooperation Council) area. The proposed wind turbine has an expected electricity generation of 2MW. We studied the wind atlas of Oman and from which we determined the maximum possible mean wind speed in the entire Sultanate and built our design based on that reference value, which is 6m/s (21.6km/h). After this, we applied a set of modeling equations that estimate the power output from the wind turbine rotor and matched the target electric power to the design variables using a MATLAB computer code. We reached a suitable design and we present here the distribution of the blade angle (twist angle), and the power per unit span along the rotor blade. The rotor design has 3 blades with a diameter of 70m and a rotational speed of 24rpm. This rotor gives 2.37MW of output power, which exceeds the target 2MW output, allowing for about 15% of power losses in the gearbox and generator. We utilized some commercial designs of wind turbines from different international manufacturers as references for typical limits or recommended values of some design parameters.

Empirical Modelling of Consumer Price Index of Electricity and Percentage Inflation for Dhofar Governorate in Sultanate of Oman

“…The lengths of 400, 220, and 132 kV transmission lines are 1382.75, 1959.89, and 4369.3 km, respectively (Al Riyami et al, 2019. The operating voltage 400, 220, and 132 kV are used for the existing transmission system in the rest of Oman while only 132 kV operating voltage is used for Dhofar region (Marzouk et al, 2019). Muscat Electricity Distribution Company, Mazoon Electricity Company, Majan Electricity Company, and Dhofar Integrated Services Company are the four distribution and supply holders in Oman taking the large amount of power transmitted through the main grid stations to supply the distribution systems.…”