Optimal Planning and Cost-benefit Analysis of Long-duration Energy Storage for Low-carbon Electric Power System

被引：0
作者：
Fang K. [1 ]
Zhou M. [1 ]
Wu Z. [1 ]
Zhao C. [1 ]
Zhao H. [2 ]
Li G. [1 ]
机构：
[1] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources (North China Electric Power University), Changping District, Beijing
[2] School of Economics and Management, North China Electric Power University, Changping District, Beijing
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 21期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
cost-effectiveness analysis; high penetration of renewable energy; long-duration energy storage; low-carbon policy; multi-time scale energy storage coordination;
D O I：
10.13334/j.0258-8013.pcsee.221636
中图分类号：
学科分类号：
摘要：
The continuous development of long-duration energy storage (LDES) technology provides an effective way to solve the seasonal imbalance between supply and demand in novel power systems. Existing research still lacks detailed analysis on the impact of the development of technical and economic parameters of LDES and their different combinations on the deployment demand and cost-effectiveness of LDES, making it difficult to accurately explore the flexibility potential of LDES. Therefore, this paper first analyzes the characteristics of LDES planning considering technical economy, and then establishes a multi-time scale energy storage coordination and optimization planning model embedded in the annual panoramic operation simulation of 8760h in chronologic sequence for novel power systems. Based on the actual data of a certain region in Northwest China, the example evaluates the relationship between different combinations of the technical and economic parameters of the LDES and its cost-effectiveness, optimized deployment structure, and the substitution for short-term energy storage. The results show that the cost-effectiveness of LDES is most affected by energy storage capacity cost and discharge efficiency, and in the development context of low-carbon transition the application of LDES can reduce the total cost of power system by about 40%. ©2023 Chin.Soc.for Elec.Eng.
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页码：8282 / 8294
页数：12
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