An extreme learning machine based very short-term wind power forecasting method for complex terrain

被引：0
|
作者：
Acikgoz, Hakan [1 ]
Yildiz, Ceyhun [2 ]
Sekkeli, Mustafa [3 ]
机构：
[1] Faculty of Engineering and Natural Sciences, Department of Electrical and Electronics Engineering, Gaziantep Islam Science and Technology University, Gaziantep, Turkey
[2] Vocational School of Elbistan, Department of Electricity and Energy, Kahramanmaraş İstiklal University, Kahramanmaraş, Turkey
[3] Faculty of Engineering and Architecture, Department of Electrical and Electronics Engineering, Kahramanmaraş Sütçü İmam University, Kahramanmaraş, Turkey
来源：
Energy Sources, Part A: Recovery, Utilization and Environmental Effects | 2020年 / 42卷 / 22期
关键词：
Global positioning system - Machine learning - Mean square error - Wind speed - Application programs - Neural networks - Complex networks - Landforms - Knowledge acquisition - Weather forecasting;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, wind power forecasting is performed for a Wind Power Plant (WPP) with an installed capacity of 135 MW in Turkey. The ruggedness index (RIX) of the terrain where WPP was installed is analyzed with Wind Atlas Analysis and Application Program (WAsP). According to the obtained RIX value, the terrain of WPP is found to be complex. Due to the complexity of the terrain, wind power forecasting becomes difficult. To deal with this problem, a forecasting method with fast, accurate, and high performance is needed. Therefore, Extreme Learning Machine (ELM) based method is proposed for wind power forecasting in this study. Electrical and meteorological measurements are obtained from WPP for the application of the proposed method. These measurements are provided with high quality measuring devices. Also, Global Positioning System (GPS) time synchronization is used to prevent lags between measurements. The wind speed, wind direction, and wind power data of 1-year period are obtained from WPP. These data are used to compare the proposed method with a classical Artificial Neural Network (ANN) based method in terms of two, three and four hours-ahead wind power forecast performances. In the forecast studies performed for all data related to 2, 3, and 4-hours ahead, Normalized Root Mean Square Error (NRMSE) values of ELM are obtained as 7.01, 10.12, and 12.06, respectively, while these values are found as 8.19, 12.18, and 13.09 for ANN. In addition, the values of Correlation Coefficients (R) of the proposed forecast method results regarding 2, 3, and 4-hours ahead are 0.96588, 0.93528, and 0.88984, respectively. The R values related to ANN are observed as 0.95421, 0.91373, and 0.87576, respectively. According to the obtained results, it is observed that ELM has better performance features than classic method under all forecast conditions and it is clearly seen that ELM has by far short training time than other one. © 2020 Taylor & Francis Group, LLC.
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页码：2715 / 2730
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