Wind Energy Evaluation and Turbine Identification for Power Generation in Some Selected Areas in Nigeria

Abstract

In this paper, the wind power potentials as well as wind speed characteristics of four selected locations in the North-Central (Ilorin and Makurdi) and North-East (Gombe and Maiduguri) parts of Nigeria are investigated. The data used are obtained from Nigeria Meteorological Agency (NIMET) between the durations of 11 and 54 years, measured at an anemometer height of 10m. The analysis of the data is carried out using a two-parameter Weibull Distribution Function (WDF). The most probable wind-speed and the wind-speed carrying the maximum energy were also evaluated. The capacity factor estimation is then used to identify the most suitable turbine for the sites. The results obtained show a monthly mean wind-speed of 4.50 m/s, 3.72 m/s, 4.77 m/s and 5.34 m/s for Ilorin, Gombe, Makurdi and Maiduguri respectively, while the wind-power densities were 67.74 W/m2, 40.87 W/m2, 79.52 W/m2 and 107.49 W/m2 respectively for the same sites.

Comparative Assessment of Numerical Techniques for Weibull Parameters’ Estimation and the Performance of Wind Energy Conversion Systems in Nigeria

“…where ∝ represents the site surface roughness coefficient and assumed in this work to be 0.143 [11].…”

“…For a pitch-controlled WT, the power curve model can be approximated by a parabolic law, given by Eq. ( 23) [11][12]:…”

“…The wind speed characteristics of the locations are shown in ⁄ in Akure to 1182.12 𝑊 𝑚 2 ⁄ in Jos, all at a h/h of 10 m. The results further show that Kano and Jos study locations are viable sites for grid integration because the wind power density at the h/h of 10 m is > 400 W/m 2 . In addition, Abuja and Akure study locations are not viable for wind electricity production because the wind power density in these locations is < 100 W/m 2 , while Maiduguri is only applicable for a stand-alone application because the wind power density is > 100 W/m 2 [11].…”

“…The turbine matching results reveal that the cut-in and rated wind speeds range from 2.0 to 3.0 m/s, and 10 to 12.0 m/s, respectively. Sulaiman et al, [11] also discussed the assessment of the wind potential of 4 different locations in Nigeria, emphasizing wind power potentials and wind speed characteristics using the 2-parameter WDF technique. The paper used the CFw calculation to determine the most suitable turbine for the specified locations and reported monthly mean wind speed of 4.50, 3.72, 4.77 and 5.34 m/s with corresponding wind power densities of 67.74, 40.87, 79.52 and 107.49 Wm-2 for the sites.…”