标准编号:	GB/T 34131-2017
中文名称:	电化学储能电站用锂离子电池管理系统技术规范
英文名称:	Technical standard for battery management system of electrochemical energy storage station
行业分类:	GB    国家标准
ICS分类:	27.180 27.180    风力发电系统和其 27.180
发布机构:	中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会
发布日期:	2017-07-31
实施日期:	2018-2-1
标准状态:	被替代
被新标准替代:	GB/T 34131-2023 电力储能用电池管理系统
被替代日期:	2023-10-1
翻译语言:	英文
文件格式:	PDF
中文字符数:	11000 字
翻译价格(元):	290.00 元
交付时间:	付款后 1 个工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.



This standard is developed in accordance with the rules given in GB/T 1.1-2009.



This standard was proposed by China Electricity Council.



This standard is under the jurisdiction of National Technical Committee on Electric Energy Storage of Standardization Administration of China (SAC/TC 550).





Technical standard for battery management system of electrochemical energy storage station



1 Scope



This standard specifies the service conditions, functional requirements, inspection and test items, etc. of lithium-ion battery management system for electrochemical energy storage station.



This standard is applicable to the constructed, renovated and extended electrochemical energy storage stations.



2 Normative references



The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.



GB/T 191 Packaging - Pictorial marking for handling of goods

GB/T 2423.4 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12h+12h cycle)

GB/T 16935.1 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests

GB/T 17626.2 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test

GB/T 17626.4 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test

GB/T 17626.5 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test

GB/T 17626.8 Electromagnetic compatibility - Testing and measurement techniques - Power frequency magnetic field immunity test

GB/T 17626.12 Electromagnetic compatibility - Testing and measurement techniques - Ring wave immunity test



3 Terms and definitions



For the purposes of this document, the following terms and definitions apply.



3.1

electrochemical energy storage station

station with the electrochemical battery as an energy storage element, and capable of power storage, conversion and discharge



3.2

power conversion system; PCS

system realizing bidirectional energy conversion between energy storage battery and AC network



3.3

cell

electrochemical device consisting of electrodes and electrolytes that form the minimum unit of a battery pack module and capable of storing the obtained electric energy in the form of chemical energy and converting the chemical energy into electric energy



3.4

battery module

unit consisting of two or more cells connected electrically



3.5

battery management unit; BMU

unit managing a battery module, monitoring battery state (voltage, temperature, etc.) and providing communication interface for the battery



3.6

battery management system; BMS

system monitoring the battery state (temperature, voltage, current, state of charge, etc.) and providing communication interface and protection for the battery



3.7

state of energy; SOE

ratio of the actual (remaining) dischargeable capacity (Wh) to the rated capacity (Wh) of the battery



3.8

battery-balancing

energy balancing state between different batteries maintained by taking energy transfer measures to reduce the capacity and voltage differences between the batteries



4 Service conditions



4.1 Ambient temperature



The ambient temperature during equipment operation shall not be higher than 45℃ while not be lower than 0℃.



4.2 Relative humidity



The daily and monthly average relative humidity shall not be greater than 95% and 90% respectively. No condensation shall occur on the equipment.



4.3 Altitude



<2,000m.



5 Functional requirements



5.1 Basic requirements



5.1.1 The topology configuration of BMS shall be matched and coordinated with the topology and battery grouping mode of PCS, and the operation state of batteries shall be optimally controlled and comprehensively managed.



5.1.2 The specific implementation level of each function in the BMS functional requirements is determined by the topology configuration of BMS and should be implemented in layers locally.



5.2 Measurement requirements



BMS shall be able to measure the relevant electrical and thermal data of the battery in real time, including parameters such as cell voltage, battery module temperature, battery module voltage, series circuit current, insulation resistance, etc. The measurement precision of each state parameter shall meet the following requirements:



a) the current sampling resolution should be determined in combination with battery capacity and charging/discharging current; the measurement error shall not be greater than ±0.2%, and the sampling period shall not be greater than 50ms;



b) the measurement error of cell voltage shall not be greater than ±0.3%; the sampling period shall not be greater than 200ms;



c) the temperature sampling resolution shall not be greater than 1℃, the measurement error shall not be greater than ±2℃, and the sampling period shall not be greater than 5s.



5.3 Calculation requirements



BMS shall be able to estimate the state parameters such as state of charge, charging/discharging electric energy (Wh) and maximum charging/discharging current, and provided with functions such as power failure protection and uploading to monitoring system. The estimation precision of each state parameter shall meet the following requirements:



a) the estimation precision of SOE shall not be greater than 8%, and the calculation update period shall not be greater than 3s; SOE should be provided with a self-calibration function.



b) the calculation error of electric energy shall not be greater than 3%.



5.4 State parameter information uploading function



BMS shall be provided with internal information collection and interaction functions, and able to upload the information of cell and battery to the monitoring system and PCS.



5.5 Fault diagnosis function



BMS shall be able to monitor the operation state of the battery, diagnose the abnormal operation state of the battery or BMS itself, and send relevant alarm signals to the monitoring system and PCS.



5.6 Electrical protection function of battery



BMS shall be provided with electrical protection functions of battery such as over-voltage protection, under-voltage protection, over-current protection, short-circuit protection, over-temperature protection and leakage protection, and able to send alarm signals or trip commands to implement local fault isolation.

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Service conditions
5 Functional requirements
6 Inspection and test items
7 Marking and packaging

ICS 27.180
F 19
中华人民共和国国家标准
GB/T 34131—2017
电化学储能电站用锂离子电池管理
系统技术规范
Technical standard for battery management system of electrochemical
energy storage station
2017-07-31发布 2018-02-01实施
中华人民共和国国家质量监督检验检疫总局
中国国家标准化管理委员会
发布
前言
本标准按照GB/T 1.1—2009给出的规则起草。
本标准由中国电力企业联合会提出。
本标准由全国电力储能标准化技术委员会(SAC/TC 550)归口。
电化学储能电站用锂离子电池管理
系统技术规范
1 范围
本标准规定了电化学储能电站锂离子电池管理系统的使用条件、功能要求、检验和试验项目等。
本标准适用于新建、改建、扩建电化学储能电站。
2规范性引用文件
下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。
GB/T 191 包装储运图示标志
GB/T 2423.4 电工电子产品环境试验 第2部分：试验方法 试验Db：交变湿热(12 h+12 h循环)
GB/T 16935.1低压系统内设备的绝缘配合 第1部分：原理、要求和试验
GB/T 17626.2 电磁兼容 试验和测量技术 静电放电抗扰度试验
GB/T 17626.4 电磁兼容 试验和测量技术 电快速瞬变脉冲群抗扰度试验
GB/T 17626.5电磁兼容 试验和测量技术 浪涌(冲击)抗扰度试验
GB/T 17626.8 电磁兼容 试验和测量技术 工频磁场抗扰度试验
GB/T 17626.12 电磁兼容 试验和测量技术 振荡波抗扰度试验
3术语和定义
下列术语和定义适用于本文件。
3.1
电化学储能电站electrochemical energy storage station
采用电化学电池作为储能元件，可进行电能存储、转换及释放的电站。
3.2
功率变换系统power conversion system；PCS
实现储能电池与交流电网之间双向能量转换的系统。
3.3
单体电池cell
由电极和电解质组成，构成蓄电池组模块最小单元，能将所获得的电能以化学能的形式贮存并将化学能转为电能的一种电化学装置。
3.4
电池模块battery module
两个及以上的单体电池以一定的电气连接方式组成的单元。
3.5
电池管理单元battery management unit；BMU
管理一个电池模块，监测电池状态(电压、温度等)，并为电池提供通信接口。
3.6
电池管理系统battery management system；BMS
监测电池的状态(温度、电压、电流、荷电状态等)，为电池提供通信接口和保护的系统。
3.7
电池电量状态state of energy；SOE
电池实际(剩余)可放出的瓦时容量与额定瓦时容量的比值。
3.8
电池均衡battery-balancing
通过电池之间的电量转移措施，减少电池间的容量和电压差，保持不同电池间电量的均衡。
4使用条件
4.1环境温度
设备运行期间周围环境温度不高于45℃，不低于0℃。
4.2相对湿度
日平均相对湿度不大于95％，月平均相对湿度不大于90％。设备上不应出现凝露。
4.3海拔高度
海拔高度小于2 000 m。
5功能要求
5.1 基本要求
5.1.1 BMS的拓扑配置应与PCS的拓扑、电池的成组方式相匹配与协调，并对电池运行状态进行优化控制及全面管理。
5.1.2 BMS功能要求中各功能具体实现层级由BMS的拓扑配置情况决定，宜分层就地实现。
5.2测量要求
BMS应能实时测量电池的电和热相关的数据，应包括单体电池电压、电池模块温度、电池模块电压、串联回路电流、绝缘电阻等参数。各状态参数测量精度应符合下列规定：
a)电流采样分辨率宜结合电池容量和充放电电流确定，测量误差应不大于±0.2％，采样周期不大于50 ms；
b)单体电压测量误差应不大于±0.3％。采样周期应不大于200 ms；
c)温度采样分辨率应不大于1℃，测量误差不大于±2℃，采样周期不大于5 s。
5.3计算要求
BMS应能够估算电池的荷电状态.充电、放电电能量值(Wh)，最大充电电流，最大放电电流等状态参数，且具有掉电保持功能，具备上传监控系统的功能。各状态参数估算精度应符合下列规定：
a)SOE估算精度应不大于8％，宜具有自标定功能.计算更新周期应不大于3 s；
b)电能量计算误差应不大于3％。
5.4状态参数信息上送功能
BMS应具备内部信息收集和交互功能，能将电池单体和电池整体信息上传监控系统和功率变换系统。
5.5故障诊断功能
BMS应能够监测电池的运行状态，诊断电池或BMS本体的异常运行状态，上送相关告警信号至监控系统和功率变换系统。
5.6 电池的电气保护功能
BMS应具备电池的过压保护、欠压保护、过流保护、短路保护、过温保护、漏电保护等电气保护功能，并能发出告警信号或跳闸指令，实施就地故障隔离。
5.7 管理功能
BMS应能对充放电进行有效管理，确保充放电过程中不发生电池过充电、过放电，以防止发生充放电电流和温度超过允许值，主要功能应符合下列要求：
a)充电管理功能：在充电过程中，电池充电电压应控制在最高允许充电电压内；
b)放电管理功能：在放电过程中，电池放电电压应控制在最低允许放电电压内；
c)温度管理功能：应能向热管理系统提供电池温度信息及其他控制信号。并协助热管理系统控制实现电池间平均温差小于5℃；
d)电量均衡管理功能：应采用高能效的均衡控制策略，保证电池间的一致性满足要求。
5.8统计功能
BMS应具有电池充、放电的累计充、放电量的统计功能，并具有掉电保持功能。
5.9通信功能
5.9.1 BMS与功率变换系统之间应有通讯接口，宜有备用接口，作为冗余，同时宜具备1个硬接点接口。
5.9.2 BMS与监控系统之间应有以太网通讯接口，宜有备用接口，作为冗余。同时，电化学储能电站内BMS宜单独组网。
5.10对时功能
BMS应具备对时功能.能接受IRIG-B(DC)码对时或者NTP网络对时。
5.11 平均故障间隔时间
BMS应具备良好的可靠性与可用率，平均故障间隔时间不宜小于40 000 h。
5.12定值设置功能
BMS应能对电池运行参数、报警、保护定值进行整定，且具备就地和远程修改功能。
5.13操作权限管理功能
BMS应具有操作权限密码管理功能，任何改变运行方式和运行参数的操作均需要权限确认。
5.14事件记录功能
BMS应能储存不少于5 000条事件。运行参数的修改、电池管理单元告警信息、保护动作、充电和放电开始/结束时间等均应有记录，且时间记录应精确到秒。事件记录应具有掉电保持功能。每个报警记录应包含所定义的限值、报警参数，并列明报警时间、日期以及报警值时段内的峰值。
5.15存储功能
BMS应具备足够的容量在线存储30天的信息，且宜采用队列方式存储。
5.16故障录渡功能
BMS宜有故障录波功能，能够对故障前后的状态量有效记录，电流量记录周期宜不大于50 ms，电压置记录周期不大于1 s，温度量记录周期不大于5 s。记录时间不宜少于10 min。
5.17显示功能
BMS应能显示确保系统安全可靠运行所必需的信息，如相关定值、模拟量测量值、事件记录和告警记录等。
5.18电磁兼容
BMS应符合GB/T 17626.2规定严酷等级为三级静电放电抗扰度、GB/T 17626.4规定严酷等级为三级电快速瞬变脉冲群抗扰度、GB/T 17626.5规定严酷等级为三级浪涌(冲击)抗扰度、GB/T 17626.8规定严酷等级为四级工频磁场抗扰度、GB/T 17626.12规定严酷等级为三级振荡波抗扰度试验的要求。
5.19绝缘耐压性能
BMS应能经受要求的绝缘耐压性能试验，试验电压应符合表1规定。在试验过程中BMS应无击穿或闪络等破坏性放电现象。
表1 绝缘强度试验电压
额定绝缘电压UN/V 介质交流试验电压/V 介质直流试验电压/V 冲击试验电压/V
UN≤63 500 700 1 000
63