摘要
重点分析了影响电化学储能综合能效的关键因素,指出电池一致性、电池荷电状态估算准确性、电池故障预警性能、储能系统拓扑结构合理性及能量管理多目标优化程度均对电化学储能综合能效有重要影响。从电池诊断预警、电池热管理、高压级联、能量管理多目标优化4个方面,提出电站综合能效提升关键技术。以具体的工程案例对技术经济性进行分析,为电化学储能电站建设和运行提供理论和实践依据。
The key factors affecting the comprehensive energy efficiency of electrochemical energy storage were analyzed.It was pointed out that battery consistency,estimation accuracy of battery state of charge,battery fault warning performance,the rationality of energy storage system topology structure,and the degree of multi-objective optimization of energy management all have a significant impact on the comprehensive energy efficiency of electrochemical energy storage.Comprehensive energy efficiency improvement methods for power stations were proposed from four aspects:battery diagnosis and warning,battery thermal management,high-voltage level energy reserve system,and multi-objective optimization of energy management.The technical and economic benefits were analyzed through specific engineering cases,providing theoretical and practical basis for the construction and operation of electrochemical energy storage power stations.
作者
王光培
王彤
黄晓凡
WANG Guangpei;WANG Tong;HUANG Xiaofan(Huadian Electric Power Research Institute Co.,Ltd.,Hangzhou 310030,Zhejiang,China)
出处
《能源与节能》
2023年第12期10-12,17,共4页
Energy and Energy Conservation
基金
中国华电集团有限公司重点科技项目,中国华电集团有限公司首批“揭榜挂帅”项目(CHDKJ21-01-103)。
关键词
电化学储能
电池
能效
经济性分析
electrochemical energy storage
battery
energy efficiency
economic analysis
