摘要
储能容量的优化配置是提升多能源微网系统经济性和安全性的重要手段。针对容量配置问题,提出了一种以储能投资置换成本和运行成本等年值最低为目标函数、计及电池寿命损耗的多能源微网储能容量双层优化配置模型,其上层模型对储能容量进行优化,下层模型对系统运行策略进行优化。可在规划阶段详细考虑含储能多能源微网的经济优化运行,并构建了电池寿命损耗模型,对运行中的电池寿命损耗进行了量化评估。算例结果验证了所提储能配置方法对电池使用寿命和多能源微网经济性的提升效果。
The optimal configuration of energy-storage capacity is an important means to improve the economy and security of a multi-energy microgrid system.Aimed at this problem,considering the battery life degradation,a two-layer optimal configuration model for the energy-storage capacity of the multi-energy microgrid is proposed with the lowest annual values of energy-storage investment replacement cost and operating cost as its objective function.The upper model optimizes the energy-storage capacity,while the lower model optimizes the operation strategy for the system.As a result,the economic optimization operation of the multi-energy microgrid with energy-storage is considered in detail at the planning stage,and a battery life degradation model is constructed to quantitatively evaluate the battery life loss under operation.The results of an example verify the improvement effect of the proposed method on the battery life and the economy of the multi-energy microgrid.
作者
孙运志
蒋德玉
张盛林
梁荣
李沛东
郭明萱
SUN Yunzhi;JIANG Deyu;ZHANG Shenglin;LIANG Rong;LI Peidong;GUO Mingxuan(Linyi Power Supply Company,State Grid Shandong Electric Power Corporation,Linyi 276003,China;Economic&Technological Research Institute,State Grid Shandong Electric Power Corporation,Jinan 250021,China;Key Laboratory of Smart Grid of Ministry of Education,Tianjin University,Tianjin 300072,China)
出处
《电力系统及其自动化学报》
CSCD
北大核心
2021年第5期128-133,144,共7页
Proceedings of the CSU-EPSA
基金
国网山东省电力公司科技资助项目(多类型分布式储能与配电网协调规划关键技术研究)。
关键词
多能源微网
电池寿命损耗
储能配置
multi-energy microgrid
battery life degradation
energy-storage configuration
