Analysis for Safe Region of SOC for Prefabricated Cabin Energy Storage System

doi:10.16628/j.cnki.2095-8188.2021.04.014

Abstract

Abstract:

The data of charge and discharge of lithium iron phosphate cell,module and battery cluster are discussed and analyzed.The safe region of state of charge (SOC) for the energy storage system of lithium iron phosphate prefabricated cabin is the slow region of the maximum voltage difference during charging and discharging,and it coincides with the slow region of the voltage change of a battery.It provides the basis for the safety operation of the prefabricated cabin energy storage system.

Key words: battery cluster, energy storage system, maximum voltage difference, SOC

CLC Number:

TM912

LI Juan, ZHANG Liuli, TIAN Gangling, RUAN Peng. Analysis for Safe Region of SOC for Prefabricated Cabin Energy Storage System[J]. LOW VOLTAGE APPARATUS, 2021, 0(4): 77-80.

Figures/Tables 8

References 10

[1]	张福生. 磷酸铁锂电池工业应用领域浅析[J]. 化工管理, 2018(34):90-91.
[2]	陈昆灿. 电网侧电化学储能电站规模配置研究[J]. 国网技术学院学报, 2019,22(4):25-28.
[3]	李建林, 徐少华, 靳文涛. 我国电网侧典型兆瓦级大型储能电站概况综述[J]. 电器与能效管理技术, 2017(13):1-7.
[4]	吴洲铁. HEV锂离子电池组管理关键技术研究[D]. 武汉:华中科技大学, 2010.
[5]	叶佳娜. 锂离子电池过充电和过放电条件下热失控(失效)特性及机制研究[D]. 合肥:中国科学技术大学, 2017.
[6]	杨代铭, 李相俊, 陆超. 磷酸铁锂电池工作区间的优化与应用[J]. 电器与能效管理技术, 2014(10):60-65.
[7]	汪涣伶, 侯朝勇, 贾学翠. 电化学储能电池荷电状态估算技术对比分析[J]. 电器与能效管理技术, 2017(5):76-83.
[8]	赵静, 万瑞妮, 郭敏, 等. 电池储能系统在并网风电场运行中的协调控制研究[J]. 电器与能效管理技术, 2020(10):71-76.
[9]	周喜超, 洪育金, 夏岩, 等. 基于多智能体的电池储能系统SOC均衡控制策略[J]. 浙江电力, 2020,39(5):35-40.
[10]	吴仁光, 郑立, 等. 面向综合能源配电网的储能系统优化配置方法[J]. 广东电力, 2020,33(3):42-50.

项目	组成	最低电压/V	最高电压/V	额定电压/V	容量/Ah	能量/kWh	数量/个
电芯	—	2.5	3.6	3.2	90	0.29	3 840
电池模组	24S2P	60.0	87.8	76.8	180	13.82	80
电池簇	240S2P	600.0	878.0	768.0	180	138.24	8
储能系统	240S16P	600.0	878.0	768.0	1 440	1 105.92	1

电芯电池编号	充电后期du/dt≥ 0.1 mV/s时刻
电芯电池编号	电压u/V	SOC/%	电压u/V	SOC/%
1	3.460	90	3.094	11
2	3.462	90	3.089	10
3	3.461	90	3.094	11
4	3 453	88	3.092	11

[1]	WANG Haoran, LIU Huaizhao, SHEN Zhiguang, ZHANG Ningyuan, CHEN Shangshang. Application and Practice of Energy Storage Control Technology for Assiting Thermal Unit Frequency Regulation [J]. LOW VOLTAGE APPARATUS, 2025, 0(4): 71-77.
[2]	LI Yang, SHI Zhengang. Research on SOC Estimation of Lithium Battery Based on PSO-BP-UKF Algorithm [J]. LOW VOLTAGE APPARATUS, 2024, 0(6): 42-48.
[3]	CUI Xiaodan, WU Jialong, DENG Kui, WANG Yanpin, FENG Jiaqi, LI Yajie. Online State of Charge Estimation of Lithium-ion Battery Based on Improved Extended Kalman Filter Algorithm [J]. LOW VOLTAGE APPARATUS, 2024, 0(6): 49-58.
[4]	WANG Yue, SHENG Yongbing. Research on Remote Tripping Disconnector [J]. LOW VOLTAGE APPARATUS, 2024, 0(12): 51-56.
[5]	LI Tang, HUANG Kang, MAO Xingkui, ZHANG Zhe. SOC Estimation of Power Lithium-ion Battery Based on EKF Algorithm [J]. LOW VOLTAGE APPARATUS, 2023, 0(9): 62-68.
[6]	ZENG Qiquan, ZHANG Shuxing. Research on Aging of Lithium Iron Phosphate Batteries [J]. LOW VOLTAGE APPARATUS, 2023, 0(5): 65-71.
[7]	CAO Ziquan, LI Yaxin, MA Lingyi, LIU Haitao, LI Jianlin. Research on Electric-Hydrogen Hybrid Energy Storage System Based on Lithium Battery [J]. LOW VOLTAGE APPARATUS, 2022, 0(5): 29-34.
[8]	ZHOU Yi, YUE Yunli, YUE Hao, DING Jianmin, LI Shunxin, XIN Dixi. Research on on-Board Energy Storage System Based on Drive Multiplexing Topology Under Distribution Network [J]. LOW VOLTAGE APPARATUS, 2022, 0(5): 8-16.
[9]	ZHANG Huaiyu, XU Chaoran, HUANG Zhilong, LU Jianyu, LI Yaping, HOU Yong. Coordinated Dispatch Method of Generation-Grid-Load-Storage Considering Uncertainty of PV Generation [J]. LOW VOLTAGE APPARATUS, 2021, 0(5): 86-92.
[10]	LI Feng. Cascade Utilization Battery Energy Storage System Architecture and Control Strategy [J]. LOW VOLTAGE APPARATUS, 2021, 0(4): 81-84.
[11]	KONG Yukai, WEN Buying, ZHU Zhenshan, TANG Yuchen. Coordinated Optimization for Day-Ahead and Intra-Day Opertation of Island Micro-Grid Considering Energy Storage [J]. LOW VOLTAGE APPARATUS, 2021, 0(2): 65-74.
[12]	LI Yuxing, LU Yu, LI Hao, WANG Dong, MA Ning, HAN Xiaojuan. Capacity Configuration and Optimal Operation Method of Energy Storage Participating in Grid Auxiliary Peak Shaving Based on Minimum Operating Cost [J]. LOW VOLTAGE APPARATUS, 2021, 0(11): 22-29.
[13]	LÜ Lixing, LIU Hua, XU Lei, YU Yong, ZHANG Jianbo. Research on Safe Transaction Mechanism of Blockchain Energy Storage System Based on Automatic Price Adjustment Formula [J]. LOW VOLTAGE APPARATUS, 2021, 0(11): 30-35.
[14]	LI Hong, ZHU Liwei, GUO Zhaohui. Optimal Control of Hybrid Energy Storage System Based on Deep Reinforcement Learning [J]. LOW VOLTAGE APPARATUS, 2021, 0(11): 42-49.
[15]	XIE Zhijia, WANG Jiarui, LI Dexin, MENG Tao. Economy Evaluation of Energy Storage System Participating in Power System Frequency Modulation [J]. DIANQI YU NENGXIAO GUANLI JISHU, 2020, 0(5): 14-20.