A global energy interconnection power balance optimization method based on spatio-temporal decomposition

Abstract

The present invention is a global energy interconnection power balance optimization method based on time-space decomposition, by constructing intercontinental power grid partition power balance mixed integer optimization model and global energy Internet power balance linear optimization model, performing optimization calculations to obtain the operating status of partition generator sets; and based on Based on the optimization results of the operating state of the units in the subregion, the transmission power of the intercontinental connection line and the power generated by renewable energy are optimized; finally, the iterative optimization calculation is carried out between the intercontinental power balance mixed integer optimization model of the intercontinental power grid and the linear optimization model of the global energy Internet power balance, and the optimal calculation is obtained. Excellent power balance optimization results. The basic principle of global energy interconnection power balance optimization based on spatiotemporal decomposition and iteration is determined, and the modeling and optimization calculation steps realized by computer are proposed. It can provide a global energy interconnection power balance optimization method adapted to distributed computing, which makes computing more efficient, faster, and more suitable for large-scale data computing.

Description

technical field [0001] The invention belongs to the technical field of power supply, and is a global energy interconnection power balance optimization method based on space-time decomposition. Background technique [0002] The over-reliance on fossil fuel energy supply mode has brought global problems of resource shortage, climate change and environmental pollution, and the sustainable development of mankind is facing severe challenges. The replacement of fossil energy by clean energy and the replacement of other terminal energy by electric energy is an important development trend of the energy system. Therefore, building a global energy internet and developing, deploying and utilizing clean energy on a global scale is an effective way to solve the above problems. The Global Energy Internet is a strong smart grid with UHV grid as the backbone grid or channel, dominated by the transmission of clean energy and ubiquitous global interconnection. To build a global energy inter...

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Problems solved by technology

However, the relevant research is still in the conceptual stage, and the traditional power system power balance methods and models are still unable to adapt to the power balance optimization calculation and analysis of the global interconnected grid.

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