Evaluation of Wind Energy Potential for Power Generation in some Coastal Cities in Akwa Ibom State, Nigeria

Y. N. Udoakah, U. Ikafia
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Abstract

The wind potential of three coastal sites, Ibeno (Latitude 4° 33' 54.2"N & Longitude 8° 4' 21.3"E), Oron (Latitude 4°48'26.53"N & Longitude 8°14'15.74"E) and Okobo (Latitude 4°41'48.48"N & Longitude 8°15'23.23"E) in Akwa Ibom State, Nigeria was investigated. Using data obtained from the Nigeria Meteorological Agency (NIMET) and the Maritime Academy of Nigeria, Oron for Ibeno, Okobo and Oron respectively for a period of five years (2012-2016), a statistical analysis was performed. Using empirical method, the overall average Weibull distribution parameters in terms of k and c, mean power density and mean wind speed were determined for the three locations to be 3.29, 4.74 & 4.11, 7.72, 6.54 & 6.40 m/s, 344.68, 236.10 & 185.18 w/m2 and 8.24, 7.26 & 6.70 m/s respectively for Ibeno, Oron and Okobo. The results indicate that all the locations had a wind speed range higher than the 5-6 m/s recommended for electricity generation and a wind density value greater than 100 W/m2. Resulting from the analysis, the overall annual energy production was projected to be 15.23, 10.45 & 8.19 GW for Ibeno, Oron and Okobo respectively, leading to the conclusion that the three cities located along the coastal lines of Akwa Ibom, would be viable for commercial wind power production.
尼日利亚阿夸伊博姆州一些沿海城市风能发电潜力评估
对尼日利亚阿克瓦伊博姆州Ibeno(北纬4°33′54.2”,东经8°4′21.3”)、Oron(北纬4°48′26.53”,东经8°14′15.74”)和Okobo(北纬4°41′48.48”,东经8°15′23.23”)3个沿海站点的风势进行了调查。利用尼日利亚气象局(NIMET)和尼日利亚海事学院(Maritime Academy of Nigeria, Oron)在2012-2016年期间分别获得的Ibeno、Okobo和Oron的数据,进行了统计分析。利用经验方法,确定了三个地点的总体平均威布尔分布参数(k和c)、平均功率密度和平均风速分别为3.29、4.74和4.11、7.72、6.54和6.40 m/s、344.68、236.10和185.18 w/m2和8.24、7.26和6.70 m/s。结果表明:风速范围均大于发电推荐值5 ~ 6 m/s,风密度值均大于100 W/m2;通过分析,Ibeno、Oron和Okobo的年总发电量预计分别为15.23吉瓦、10.45吉瓦和8.19吉瓦,从而得出结论,位于Akwa Ibom沿海的三个城市将可用于商业风力发电。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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