Research On The Optimal Dispatch Of New Energy Power Grid Considering The Uncertainty Of Wind Energy

The development of renewable energy has a profound impact on national energy conservation and emission reduction,reduction of fossil fuel combustion,and reduction of air pollution.However,the randomness and volatility of renewable energy have limited the utilization of renewable energy.In order to promote the development of wind power and improve the efficiency of power grid,it is of great significance to improve the efficiency of wind power by incorporating the uncertainty of wind power into the process of decision making.In this paper,considering the randomness and volatility of wind power output,the optimal scheduling problem of renewable energy resources is proposed by the theory of robust optimization.Firstly,considering the uncertainty of wind power,the interval prediction method is used to generate the confidence interval of wind speed prediction error.Secondly,according to the optimal scheduling problem of wind power,considering the cost of thermal power generation,the cost of wind power generation as well as the minimum cost of wind power,a robust optimization model is established.The consideration of wind power prediction error on the boundary,and using duality theory to transform the model into linear programming problems can be easily solved.Finally,the adaptive genetic algorithm is applied to simulate and analyze the difference between the robust scheduling model and the traditional scheduling model.