Performance of hybrid energy storage system within wind power hourly operation plan

The integration of wind energy in power system is severely limited by its intermittency and uncertainty, hindering true prediction of power generation and formulation of accurate delivery plan. The adoption of energy storage systems may improve the production planning forecast. In this paper, a programming model of a hybrid energy storage system for a wind farm is proposed. In particular, the algorithm is aimed at coordinating a battery energy storage system as slow unit and a flywheel energy storage system as fast one, in order to compensate generation variation. Starting from a delivery plan, set according to day-ahead market results to improve the revenue of the combined wind-storage system, the procedure evaluates the adjustments due to hourly mismatch of the operation plan. The algorithm is implemented in MATLAB.

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