Journal of Modern Power Systems and Clean Energy
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ISSN 2196-5625 CN 32-1884/TK
ISSN 2196-5625 CN 32-1884/TK
Qingyu Tu
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Hubei Electric Power Security ;High Efficiency Key Laboratory, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, ChinaShihong Miao
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Hubei Electric Power Security ;High Efficiency Key Laboratory, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, ChinaFuxing Yao
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Hubei Electric Power Security ;High Efficiency Key Laboratory, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, ChinaYaowang Li
Department of Electrical Engineering, Tsinghua University, Beijing, ChinaHaoran Yin
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Hubei Electric Power Security ;High Efficiency Key Laboratory, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, ChinaJi Han
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Hubei Electric Power Security ;High Efficiency Key Laboratory, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, ChinaDi Zhang
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Hubei Electric Power Security ;High Efficiency Key Laboratory, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, ChinaWeichen Yang
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Hubei Electric Power Security ;High Efficiency Key Laboratory, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, China1.State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Hubei Electric Power Security ;2.High Efficiency Key Laboratory, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, China;3.Department of Electrical Engineering, Tsinghua University, Beijing, China
This work was supported by the National Key Research and Development Program of China (No. 2017YFB0902600).
Scenario forecasting methods have been widely studied in recent years to cope with the wind power uncertainty problem. The main difficulty of this problem is to accurately and comprehensively reflect the time-series characteristics and spatial-temporal correlation of wind power generation. In this paper, the marginal distribution model and the dependence structure are combined to describe these complex characteristics. On this basis, a scenario generation method for multiple wind farms is proposed. For the marginal distribution model, the autoregressive integrated moving average-generalized autoregressive conditional heteroskedasticity-t (ARIMA-GARCH-t) model is proposed to capture the time-series characteristics of wind power generation. For the dependence structure, a time-varying regular vine mixed Copula (TRVMC) model is established to capture the spatial-temporal correlation of multiple wind farms. Based on the data from 8 wind farms in Northwest China, sufficient scenarios are generated. The effectiveness of the scenarios is evaluated in 3 aspects. The results show that the generated scenarios have similar fluctuation characteristics, autocorrelation, and crosscorrelation with the actual wind power sequences.
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