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Bad data identification and adjustment in Short-term load forecasting should fully consider the similarity and smoothness of the daily load curve. First, completing the missing data use the Neville algorithm. Then the daily load curves are clustered by improved fuzzy c-means algorithm, and a typical load curve is thus obtained for each cluster. Use the horizontal and vertical similarity of the daily load curve to identify the bad data. At last,the bad data are adjusted with typical curves. Test results using actual data demonstrate the validity and feasibility of the proposed method.
Advanced Power System Automation and Protection (APAP), 2011 International Conference on (Volume:1 )
Date of Conference: 16-20 Oct. 2011