Global energy Internet power balance optimization method based on space-time decomposition

Abstract

The invention discloses a global energy interconnection power balance optimization method based on space-time decomposition, which comprises the following steps: constructing an intercontinental powergrid partition power balance mixed integer optimization model and a global energy Internet power balance linear optimization model, and carrying out optimization calculation to obtain the operation state of a partition generator set; optimizing and calculating the intercontinental tie line transmission power and the renewable energy generation power based on a partition unit operation state optimization result; and finally, performing iterative optimization calculation between the intercontinental power grid partition power balance mixed integer optimization model and the global energy Internet power balance linear optimization model to obtain an optimal power balance optimization result. A global energy interconnection power balance optimization basic principle based on time-space decomposition iteration is determined, and modeling and optimization calculation steps realized by a computer are provided. A global energy Internet power balance optimization method suitable for distributed calculation can be provided, so that the calculation efficiency is higher, the calculation speed is higher, and the method is more suitable for large-scale data calculation.

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 time-space decomposition. Background technique [0002] The energy supply model of excessive reliance on fossil fuels has brought global problems of resource shortage, climate change and environmental pollution, and the sustainable development of mankind is facing severe challenges. It is an important development trend of the energy system to replace fossil energy with clean energy and replace other terminal energy with electric energy. 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 power grid as the backbone grid or channel, which is dominated by the transmission of clean energy and ubiquitous in global interconnection. Building a glo...

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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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