Short-Term Wind Power Forecasting Based on Feature Analysis and Error Correction

Zifa Liu, Xinyi Li () and Haiyan Zhao
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Zifa Liu: School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
Xinyi Li: School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
Haiyan Zhao: School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China

Energies, 2023, vol. 16, issue 10, 1-24

Abstract: Accurate wind power forecasting is an important factor in ensuring the stable operation of a power system. In this paper, we propose a wind power forecasting method based on feature analysis and error correction in order to further improve its accuracy. Firstly, the correlation analysis is carried out on the features using the maximal information coefficient (MIC), and the main features are selected as the model input items. Then, the two primary factors affecting wind power forecasting—the wind speed and wind direction provided by numerical weather prediction (NWP)—are analyzed, and the data are divided and clustered from the above two perspectives. Next, the bidirectional long short-term memory network (BiLSTM) is used to predict the power of each group of sub data. Finally, the error is forecasted by a light gradient boosting machine (LightGBM) in order to correct the prediction results. The calculation example shows that the proposed method achieves the expected purpose and improves the accuracy of forecasting effectively.

Keywords: wind power forecasting; bidirectional long short-term memory network; deep learning; error correction (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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