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Eritrean wind resources and power needs with appropriate wind turbines

BERHANE Tedros,DAI Ren,GUO Xue-yan(School of Energy and Power Engineering,University of Shanghai for Science and Technology,Shanghai,200093,China)  
In this paper,wind resources in Eritrea are analyzed in three regions as the east lowland close to Red Sea,the central high land of mountains and the west lowland.Local annual records of wind speeds are used to compare wind energy potentials.Regional power needs are also predicted for its present status and near-future.Eritrean government encouraging policies are introduced together with some possible risks of different cultural backgrounds.Study results show that there exist definite valuable wind resources and local power needs in the southeastern region of Eritrea.Estimated annual wind power production per turbine can reach2 GWh for an equivalent of 2 500 h of full load per year,in which the ample land can accommodate a numerous turbines to offer more power than the entire country could absorb in the foreseeable future.Technologies of low speed wind turbine for wind speed of 8 m.s-1 is appropriate for this region.
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