Security Constrained Unit Commitment Incorporating Volatile Wind Power

Due to the intermittent fluctuation of wind, large-scale wind power integrated to the power system poses serious challenge on the safe operation of the grid. A novel security constraint unit commitment optimization method based on scenario analysis considering the uncertainty of wind power is proposed. With the generation and reduction techniques, wind power generation volatility is generated. Security constraint unit combined with mathematics scenario analysis model is introduced. By applying Benders decomposition techniques, the original problem is decomposed into one master problem and sub-problems, the optimal combination unit output results are calculated by iterative calculation between the master and sub-problems. Well-used 6-bus and Modified IEEE 118-bus cases are studied to present the behavior of the proposed method. The simulation results confirm the validity of the proposed method.