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TableĀ 6 Characteristics of the selected WECS

From: Wind energy potential and cost estimation of wind energy conversion systems (WECSs) for electricity generation in the eight selected locations of Tigray region (Ethiopia)

Turbine specifications POLARIS VESTAS
P15-50 P50-500 V110-2.0
Hub height (m) 30 50 80
Rated power, P r (kW) 50 500 2000
Rotor diameter (m) 15.2 50 54
Number of blades 3 3 3
Cut-in wind speed, Q c (m/s) 2.5 2.5 3
Rated wind speed, Q r (m/s) 10 12 11.5
Cut-off wind speed, Q f (m/s) 25 25 20