计及电量交易信息的用电碳计量方法

Electricity Carbon Metering Method Considering ElectricityElectricity Carbon Metering Method Considering Electricity Transaction Information Transaction Information

充分挖掘电碳耦合价值,构建电碳协同市场是实现碳达峰、碳中和目标的重要抓手。电碳信息的耦合依赖一套合理、有效的用电碳计量体系,但我国现行用电碳计量体系中尚未考虑电量交易信息的影响,不能完全厘清每个电量交易行为背后蕴含的碳排放责任。针对此问题,该文从碳排放流理论出发,提出一套计及电量交易行为的用电碳计量新方法。首先,根据碳排放流理论的计算特性,针对有损网络建立其无损等效网络模型;之后,将交易电量和非交易流电量拆解开来,并分别根据其电量来源独立核算其产生的对应碳排放责任。该文方法严格遵守直接和间接碳排放的总量守恒原则,能够厘清电量交易行为背后蕴含的碳排放责任转移,且能够兼顾碳排放因子的时空差异性量化需求,进而具备引导用户开展低碳需求响应的能力。基于PJM-5节点系统和我国某地市实际数据开展仿真分析,仿真结果验证该文方法的有效性。

Exploiting the electricity-carbon coupling value and establishing an electricity-carbon synergistic market are important means for achieving carbon peak and carbon neutrality targets.The coupling of electricity carbon information relies on a reasonable and effective electricity carbon measurement system.However,the current electricity carbon measurement system still needs to be improved.It is difficult to fully clarify the carbon emission responsibilities within electricity trading behavior.Facing the above challenge,this paper proposes a new electricity carbon metering method considering the electricity trading behavior and based on the theory of carbon emission flow.First,the actual lossy network is equivalent to a lossless network considering the calculation characteristics of the carbon emission flow theory.After that,the transaction electricity and non-transaction electricity flow are disassembled,and their carbon emission responsibility is independently measured according to their electricity sources.This method strictly abides by the principle of direct and indirect carbon emissions balancing,and it can clarify the transfer of carbon emissions responsibility behind electricity trading behavior.Also,the spatial and temporal differences in carbon emission factors can be reflected by this method,and it has the ability of leading low-carbon demand response.Based on operation profiles from the PJM-5 bus system and the power system of a city in China,the simulation analysis is carried out.The simulation results verify the effectiveness of the method.