Optimal Capacity Configuration of Grid-side Energy Storage System Considering Equivalent Life Loss and Multi-Dimensional Benefits

XU Zongxin; CUI Yang; YUE Fei; LI Jiayu

doi:10.19718/j.issn.1005-2992.2025-01-0073-10

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Optimal Capacity Configuration of Grid-side Energy Storage System Considering Equivalent Life Loss and Multi-Dimensional Benefits

更新时间：2025-10-16

- Optimal Capacity Configuration of Grid-side Energy Storage System Considering Equivalent Life Loss and Multi-Dimensional Benefits
- Journal of Northeast Electric Power University Vol. 45, Issue 1, (2025)
- 作者机构：
  
  1. 现代电力系统仿真控制与绿色电能新技术教育部重点实验室（东北电力大学）,吉林,吉林,132012
  2. 国网河南省电力公司漯河供电公司,河南,漯河,462000
- 作者简介：
- 基金信息：
- DOI：10.19718/j.issn.1005-2992.2025-01-0073-10
  CLC：
- Published Online：28 February 2025，
  
  Published：2025
- 稿件说明：
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XU Zongxin, CUI Yang, YUE Fei, et al. Optimal Capacity Configuration of Grid-side Energy Storage System Considering Equivalent Life Loss and Multi-Dimensional Benefits[J]. Journal of northeast electric power university, 2025, 45(1).
DOI：

XU Zongxin, CUI Yang, YUE Fei, et al. Optimal Capacity Configuration of Grid-side Energy Storage System Considering Equivalent Life Loss and Multi-Dimensional Benefits[J]. Journal of northeast electric power university, 2025, 45(1). DOI： 10.19718/j.issn.1005-2992.2025-01-0073-10.

摘要

电网侧配置储能电站可有效增加系统调峰能力及风光消纳量。但其投资成本高，如何合理配置储能容量是提高电网运行效益、扩大应用场景的重要基础。文中从电网侧角度，提出一种考虑等效寿命损耗和多维度效益的储能容量优化配置方法。首先，分析储能电池寿命参数，建立储能等效寿命损耗模型，增加模型现实场景适配性；其次，定量计算系统运行成本和储能投资运维的等年值成本函数，同时计及电网侧储能峰谷电价价差收益、辅助调峰收益及延缓设备改造收益；最后，将等效寿命损耗与储能运行策略之间的制约关系嵌入模型，求解储能侧最优配置容量以及储能电池的最优充放运行策略。算例验证表明本文应用场景下，模型能够有效提高储能电站经济性。

Abstract

The configuration of energy storage power station on the grid side can effectively increase the peak shaving capacity of the system and the amount of wind and light consumption.However

the investment cost of electrochemical energy storage power station is high.How to reasonably configure the energy storage capacity is an important basis for improving efficiency and expanding application scenarios.From the perspective of the grid side

this paper proposes an optimal configuration method of energy storage capacity considering equivalent life loss and multi-dimensional benefits.Firstly

the life parameters of energy storage battery are analyzed

and the equivalent life loss model of energy storage is established to increase the adaptability of the model to the real scene.Secondly

the annual cost function of system operation cost and energy storage investment operation and maintenance is quantitatively calculated.At the same time

the income of peak-valley price difference of energy storage on the grid side

the income of auxiliary peak regulation and the income of delaying equipment transformation are taken into account.Finally

the constraint relationship between the equivalent life loss and the energy storage operation strategy is embedded into the model to solve the optimal configuration capacity of the energy storage side and the optimal charging and discharging operation strategy of the energy storage battery.The simulation results show that the model can effectively improve the economy of energy storage power station in the application scenario of this paper.

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