电力系统自动化2025，Vol.49Issue(12)：60-68,9.DOI:10.7500/AEPS20230707003
考虑生命周期与储能损耗的光-储系统低碳运行优化策略
Low-carbon Operation Optimization Strategy for Photovoltaic-Electrical Energy Storage System Considering Life Cycle and Energy Storage Degradation
摘要
Abstract
The distributed station area photovoltaic-electrical energy storage(PV-EES)system is an important mode for future photovoltaic system construction with high penetration rate.It's efficient,economical and reliable energy storage management strategy is of great significance for improving the consumption rate of photovoltaic power generation and reducing the overall carbon emissions of the station area.The existing regulation and control strategies of PV-EES systems usually aim at the maximum consumption rate of photovoltaic power generation,relying on the construction scale of energy storage in the station area or the deep charging and discharging behavior of energy storage,while ignoring the carbon emissions throughout the entire life cycle of energy storage equipment life and the equivalent carbon emissions caused by its life degradation.To accurately assess and reduce the overall operational carbon emissions of the distributed station area PV-EES system,a low-carbon operation optimization strategy for the distributed station area PV-EES system considering the energy storage life degradation and the carbon emissions throughout the entire life cycle is proposed.Firstly,the carbon emissions throughout the entire equipment life cycle in the PV-EES system is calculated.Secondly,an improved quantitative model of energy storage cycle life based on the Arrhenius formula is established to evaluate the life degradation caused by a single charging and discharging action of energy storage equipment.Finally,a PV-EES system operation optimization model that comprehensively considers carbon emissions and economy is established in combination with the above model.The simulation results show that the proposed strategy,at the cost of appropriately increasing the purchased electricity of the station area and the abandoned electricity of photovoltaics,effectively slows down life degradation of the energy storage equipment,and prolongs its service life,thereby reducing the amount of energy storage equipment required for the operation of the station area and its equivalent carbon emissions,and improving the economic operation of the system.关键词
光-储系统/生命周期/储能/寿命损耗/运行优化/碳排放Key words
photovoltaic-electrical energy storage system/life cycle/energy storage/life degradation/operation optimization/carbon emission引用本文复制引用
孙毅,单禹钦,陈明昊,杨世海,陈铭明,程含渺..考虑生命周期与储能损耗的光-储系统低碳运行优化策略[J].电力系统自动化,2025,49(12):60-68,9.基金项目
国家电网有限公司科技项目(5700-202218218A-1-1-ZN). This work is supported by State Grid Corporation of China(No.5700-202218218A-1-1-ZN). （5700-202218218A-1-1-ZN）
