Coupling optimization of hydropower and hydrogen systems considering energy supply safety culture

Abstract

Abstract Although China's new energy power generation industry has developed, how to efficiently use clean energy and ensure safe supply needs further research. As a clean, pollution-free and high calorific value energy, hydrogen provides a solution for absorbing renewable energy and ensuring the stable operation of the power system. Based on the public goods attribute of system security and system operation behavior, this paper analyzes how to express the cultural value of energy supply security through economic means, and makes configuration adjustment under different interaction modes with the power grid, so as to achieve the effect of energy supply security. A multi-objective planning and operation optimization model is established, and the resource, social, economic and environmental benefits are analyzed. The model is solved by NSGA-II. The results show that the energy waste rate of hydrogen microgrid system can be reduced by 37.16%. The probability of power failure can be reduced to 0. Typical scenarios in both off-grid mode and grid-connected mode can increase economic income. In addition, up to more than 1000 tons of carbon emissions per day could be reduced under a typical scenario.