Performance evaluation and accuracy enhancement of a day-ahead wind power forecasting system in China

被引：81

作者：

Zhao, Pan ^{[1
]}

Wang, Jiangfeng ^{[1
]}

Xia, Junrong ^{[1
]}

Dai, Yiping ^{[1
]}

Sheng, Yingxin ^{[2
]}

Yue, Jie ^{[2
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Xian 710049, Shaanxi, Peoples R China

[2] Zhongneng Power Tech Dev Co Ltd, Beijing 100034, Peoples R China

来源：

RENEWABLE ENERGY | 2012年 / 43卷

关键词：

Artificial neural networks; Kalman filter; Numerical weather prediction; Wind power forecasting; SHORT-TERM PREDICTION; ARTIFICIAL NEURAL-NETWORKS; SUPPORT VECTOR MACHINES; SPEED PREDICTION; MODELS; PORTUGAL; FARMS;

D O I：

10.1016/j.renene.2011.11.051

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Wind power forecasting system is useful to increase the wind energy penetration level. Latest statistics show that China has been the biggest wind energy market throughout the world. However, few studies have been published to introduce the wind energy forecasting technologies in China. This paper presents the performance evaluation and accuracy enhancement of a novel day-ahead wind power forecasting system in China. This system consists of a numerical weather prediction (NWP) model and artificial neural networks (ANNs). The NWP model is established by coupling the Global Forecasting system (GFS) with the Weather Research and Forecasting (WRF) system together to predict meteorological parameters. In addition, Kalman filter has been integrated in this system to reduce the systematic errors in wind speed from WRF and enhance the forecasting accuracy. The numerical results from a real world case are proven the effectiveness of this forecasting system in terms of the raw wind speed correction and wind power forecasting accuracy. The Normalized Root Mean Square Error (NRMSE) has a month average value of 16.47%, which is an acceptable error margin for allowing the use of the forecasted values in electric market operations. This forecasting system is profitable for increasing the wind energy penetration level in China. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：234 / 241

页数：8

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