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A hybrid model based on data preprocessing for electrical power forecasting
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DOI：10.1016/j.ijepes.2014.07.029.png)
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Electrical power forecasting plays a vital role in power system administration and planning. Inaccurate forecasting can lead to the waste of scarce energy resources, electricity shortages, and even power grid collapses. On the other hand, accurate electricity power forecasting can enable reliable guidance for the planning of power production and the operation of a power system, which is also important for the continued development of the electrical power industry. Although thousands of scientific papers address electricity power forecasting each year, only a small number are devoted to developing a general model for electricity power prediction that improves performance in different cases. This paper proposes a hybrid forecasting model for electrical power prediction that incorporates several artificial neural networks and model selection. To evaluate the forecasting performance of the proposed model, this paper uses half-hourly electrical power data of the State of Victoria and New South Wales of Australia as a case study. The experimental results clearly indicate that for this particular dataset, the forecasting performance of the proposed hybrid model is outstanding compared to that of the single forecasting model. (C) 2014 Elsevier Ltd. All rights reserved.
Keyword:
Electrical power forecasting
Hybrid model
Forecasting accuracy
Model selection
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