Dynamic Calculation Method for Zonal Carbon Emissions in Power Systems Based on the Theory of Production Simulation and Carbon Emission Flow Theory

Xin Huang, Keteng Jiang (), Shuxin Luo, Haibo Li and Zongxiang Lu ()
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Xin Huang: Power Grid Planning and Research Center of Guangdong Power Grid Co., Ltd., Guangzhou 526299, China
Keteng Jiang: Tsinghua Sichuan Energy Internet Research Institute, Chengdu 610213, China
Shuxin Luo: Power Grid Planning and Research Center of Guangdong Power Grid Co., Ltd., Guangzhou 526299, China
Haibo Li: Tsinghua Sichuan Energy Internet Research Institute, Chengdu 610213, China
Zongxiang Lu: Tsinghua Sichuan Energy Internet Research Institute, Chengdu 610213, China

Sustainability, 2024, vol. 16, issue 15, 1-31

Abstract: Power systems are the main source of carbon emissions. Currently, coordinated operation strategies of the source–grid–load–storage model considering carbon emissions is primarily expanded from the generation side. For practical power systems, where multiple types of generating units coexist at a single node, it is difficult to develop unit combination strategies that simultaneously consider carbon emission factors and power flow constraints. Therefore, a new power flow calculation method based on connectivity matrix theory was proposed, aiming to address the issues of existing approaches that are too coarse and unable to accurately represent the operating states of multiple units under each node. Furthermore, a new method for dynamic calculation of regional carbon emission based on connectivity matrix and carbon emissions flow was introduced to improve the accuracy of carbon emission measurements. Firstly, a simulation model for a coordinated optimization operation based on the minimum system cost for the source–grid–load was established and an optimal flow calculation method using a connectivity matrix was introduced. Second, a dynamic carbon emission calculation method, considering electricity sources, was developed by combining the results of the optimal power flow calculation with carbon emission flow theory. Finally, the effectiveness of the approach in this article was verified by the IEEE 14-bus system example and a provincial power grid, ensuring strict adherence to the conservation principle of carbon emissions between the supply and demand sides and satisfying power flow constraints.

Keywords: coordination of source–grid–load–storage; connectivity matrix; optimal power flow; carbon emission flow theory; zone-based carbon emission; dynamic calculation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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