In order to reduce the impact of wind power prediction errors on the economics and accuracy of dispatch of electricity and hydrogen integrated energy systems
an intraday two-tier rolling optimal dispatch method for integrated energy systems that takes into account the electric-hydrogen cogeneration system is proposed. First
considering the characteristics of electricity hydrogen production
the electric-hydrogen cogeneration system is applied in the integrated energy system. Secondly
a rolling optimization method is adopted in intraday dispatch. In the rolling cycle
the upper level model controls the electricity and hydrogen cogeneration system based on the improved exponential moving average
and uses interval prediction as a control constraint to provide stable power supply for the integrated energy system; The intraday lower-level model determines the intra-period dispatch plan based on the upper-level results; Finally
different scenarios are compared through numerical examples. The results show that the proposed method can reduce the impact of wind power prediction errors on dispatch results while improving system economy.
HOUBEN N, COSIC A, STADLER M, et al.Optimal dispatch of a multi-energy system microgrid under uncertainty: a renewable energy community in Austria[J]. Applied energy, 2023, 337: 120913.