Research on Evaluation Method of SoE Operation Region for Energy Storage Lithium Battery Module

Hao CHEN; Huaxin ZHAI; Kairang WANG; Junfeng YANG; Yu GONG

doi:10.12096/j.2096-4528.pgt.19112

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Research on Evaluation Method of SoE Operation Region for Energy Storage Lithium Battery Module

Energy Storage and Distributed Generation | 更新时间：2025-07-04

- Research on Evaluation Method of SoE Operation Region for Energy Storage Lithium Battery Module
- Power Generation Technology Vol. 40, Issue 6, Pages: 587-597(2019)
- 作者机构：
  
  1.国网冀北电力有限公司电力科学研究院, 北京市西城区 100045
  2.国网新源张家口风光储示范电站有限公司, 河北省张家口市 075000
- 作者简介：
- 基金信息：
  
  Science and Technology Project of State Grid Corporation of China(52010119000W)
- DOI：10.12096/j.2096-4528.pgt.19112
  CLC：
- Received：06 August 2019，
  
  Published：31 December 2019
- 稿件说明：
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Hao CHEN, Huaxin ZHAI, Kairang WANG, et al. Research on Evaluation Method of SoE Operation Region for Energy Storage Lithium Battery Module[J]. Power Generation Technology, 2019, 40(6): 587-597.
DOI：

Hao CHEN, Huaxin ZHAI, Kairang WANG, et al. Research on Evaluation Method of SoE Operation Region for Energy Storage Lithium Battery Module[J]. Power Generation Technology, 2019, 40(6): 587-597. DOI： 10.12096/j.2096-4528.pgt.19112.

摘要

为提高电池储能单元控制精度，保证储能系统高效稳定运行，研究了储能锂电池模组能量状态（state of energy，SoE）运行区间。在分析跟踪计划发电、风光功率平滑运行模拟工况，以及电池电压极差、电池电压标准差系数等评估指标的基础上，提出了储能锂电池模组SoE运行区间评估方法。然后，对实际运行的锂电池模组进行了跟踪计划发电、风光功率平滑模拟工况试验，并通过分析电池电压极差、电池电压标准差系数的变化，确定了2种运行工况下锂电池模组的SoE运行区间。研究结果表明，采用分析模拟工况试验中电池电压极差、电池电压标准差系数的方法能有效评估储能锂电池模组的SoE运行区间，为提高储能单元能量利用率提供了技术手段，对于保证锂电池储能系统高效稳定运行具有指导意义。

Abstract

The state of energy(SoE) operation region of energy storage lithium battery module was studied in order to improve the control precision and ensure the efficient and stable operation of the battery energy storage system. Base on the analysis of the simulated operating condition of tracking power generation schedule and wind-PV power stabilization

as well as the evaluation indicators

such as range and coefficient of standard deviation of battery voltage

the evaluation method of the SoE operation region for the energy storage lithium battery module was put forward. The actual energy storage lithium battery module was tested in the simulation experiment of tracking power generation schedule and wind-PV power stabilization. The SOE operation range of the lithium battery module under the two operating conditions was determined by analyzing the variation of the battery voltage range and the standard deviation coefficient of the battery voltage. The result show that the SoE operation region of the energy storage lithium battery module can be confirmed effectively according to the range and coefficient of standard deviation of battery voltage in the simulated operation experiment. It provides technical means for the energy utilization improvement of energy storage unit

and it has guiding significance to ensure the lithium BESS running efficiency and stability.

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references

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