Probabilistic wind power forecasting using weather ensemble models
- 1 May 2018
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
During the past one to two decades, the probabilistic forecasting of wind power generation has been regarded as a necessary input to decisions made for the purpose of reliable and economic power systems operations, especially since the penetration of renewable energy has begun to grow rapidly. Probabilistic forecasting differs from traditional deterministic forecasting in that it takes uncertainty into account. This work proposes a modified nonparametric method for constructing reliable prediction intervals (PIs). The lower upper bound estimation (LUBE) method is adapted to construct PIs for wind power generation, based on ensemble wind speed data from the numerical weather prediction (NWP) system of the Central Weather Bureau (CWB) of Taiwan. The charged search system (CSS) is used to adjust parameters in LUBE. The performance of the proposed method is examined using data sets from three wind farms in Taiwan. Simulation results demonstrate that the quality of PIs output by the proposed model significantly exceeded that of those constructed using the persistence model with a one-hour-ahead time horizon.Keywords
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