储能系统在充放电过程中的内阻不一影响分析  

Influence of Different Internal Resistance in Chargeand Discharge Process of Energy Storage System

作　　者：曹子沛 任远林[1] 沐娟 CAO Zi-pei;REN Yuan-lin;MU Juan(College of Applied Engineering,Anhui Business and Technology College,Hefei 231131,China)

机构地区：[1]安徽工商职业学院应用工程学校,安徽合肥231131

出　　处：《兰州文理学院学报（自然科学版）》2022年第4期40-46,共7页Journal of Lanzhou University of Arts and Science(Natural Sciences)

基　　金：安徽省高校自然科学研究项目(KJ2021B001,KJ2021A1509);安徽省质量工程教学研究项目(2020jyxm0196,2020kcszyjxm023);安徽省职业与成人教育学会教育教学研究规划课题(Azcj2021072)。

摘　　要：大型储能电池系统需要大量的电芯串并联实现大电流高电压并网,因此对电池串并联后的电池簇和储能单元的均流均压等提出更高的要求.本文结合铁锂电池系统的实际案例,对电池系统的不均流等现象进行实证测试分析,并提取特征数据进行初步探讨,以期快速高效地从大量数据中探索出电池工作特性,对相关行业解决核心问题提供一定的帮助.Large energy storage battery system requires a large number of cells in series and parallel to realize high current and high voltage grid connection.Therefore,it puts forward higher requirements for the current and voltage sharing after series and parallel connection of battery clusters and energy storage units.Combined with the application of iron lithium battery system,the phenomenon of uneven current in battery system and the extraction of characteristic data are preliminarily discussed.This phenomenon is analyzed to quickly and efficiently explore the working characteristics of battery from a large amount of data and guide the industry to solve the core problems.

关 键 词：储能 电池簇 内阻 欧姆极化 不均流 

分 类 号：TM9111.3[电气工程—电力电子与电力传动]