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Volume :43 Issue : 166 2017      Add To Cart                                                                    Download

The Possibility of Investing Wind Energy in Generating Electricity in the Basin of Ibb City – Yemen.

Auther : Dr. Hadi M. AL-Solaihi

     The national production of electricity power has reached about 850 Mega/Watt. The city of Ibb and its suburbs get only 20 Mega/Watt, as its share makes 2,3% from the whole state generated power. On the other side, the requisite fact finding of electricity for the city and its various economic activities is around 40 Mega/Watt. That leads us to the power shortage which reaches 50%.
     The frequent and repeated electricity cut off for about 4-8 Hours/day, has demonstrated the size of the problem in terms of nominal national electricity production and the absence of a national plan which gives balance between the available and requisite electricity power and to depend more on fossil fuel. That concludes us to start searching for generating the electricity from a renewable energy source such as wind, solar, tidal or biomass energy sources.
     The world witnessed a major development on renewable energy sources, which made it less expensive and more sustainable to fulfill at least part of requisite electricity power and reduce the global pollution. This research has focused on studding the wind on Ibb's basin by clarifying the importance and advantages of wind energy and the availability of the wind conditions, speed and direction which varies from one region to another on vertical level.
     Sector A: In this region the wind speed reaches 3.6 m/s which saves energy of 2358.7 w/m2/s. The wind directions varied due to the factor of surface roughness to make the wind turbines direction linked to fins which guide the turbines. The research has assured the possibility of obtaining electrical power through the wind on region A through installing turbines on all Ibb's building roofs which estimated about 22.000 buildings.
     In B region the wind speed has reached over 3.6 m/s which could provide us with electricity about 383.8 w/m2/s and the wind direction in the winter and spring was northeastern while in the summer and fall southeastern. Therefore, the turbines can be installed on rows directed to Northeastern and Southeastern to let the wind perpendicular against the rows and to install wind turbines with long blades which achieve high economic feasibility.
     The wind speed in C region has increased to 5.4 m/s to provide us with 3.835 w/m2/s. The wind in this sector   is more stable both in the direction and speed to avoid the surface roughness factor which makes wind investment in this sector economically more feasible.
 

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May 18, 2017

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