Standard No.:	GB/T 13539.7-2024
English Name:	Low voltage fuses—Part 7: Supplementary requirements for fuse-links for the protection of batteries and battery systems
Chinese Name:	低压熔断器 第7部分：电池和电池系统保护用熔断体的补充要求
Chinese Classification:	K31    Low-voltage distribution electrical equipment
Professional Classification:	GB    National Standard
ICS Classification:	29.120.50 29.120.50    Fuses and other overcurrent protection devices 29.120.50
Issued by:	SAMR; SAC
Issued on:	2024-4-25
Implemented on:	2024-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	10500 words
Price(USD):	315.0
Delivery:	via email in 1~3 business day

GB/T 13539.7-2024 Low Voltage Fuses - Part 7: Supplementary Requirements for fuse-links for the protection of batteries and battery systems 1 General Fuse-links for the protection of battery energy systems shall comply with aIl requirements of IEC 60269-1 , if not otherwise indicated hereinafter, and shall also comply with the supplementary requirements laid down below. 1.1 Scope and object These supplementary requirements apply to fuse-links for the protection of batteries and battery systems, including, but not limited to terminology, for electricity storage in equipment for circuits of nominal voltages up to 1500 V DC. Their rated voltage can be higher than 1500 V DC. The object of these supplementary requirements is to establish the characteristics of battery fuse-links in such a way that they can be replaced by other fuse-links having the same characteristics, provided that their dimensions are identical. 1.2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements 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. ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories Note: GB/T 27025-2019, General requirements for the competence oftesting and calibration laboratories (ISO/IEC 17025:2017, IDT) IEC 60269-1 Low-voltage fuses - Part 1: General requirements Note: GB/T 13539.1-2015, Low-voltage fuses - Part 1: General requirements (IEC 60269-1:2009, IDT) IEC 60417 Graphical symbols for use on equipment Note1: GB/T 5465.1-2009, Graphical symbols for use on electrical equipment - Part 1: Overview and classification (IEC 60417, Database:2007-01, MOD) Note2: GB/T 5465.2-2008, Graphical symbols for use on electrical equipment - Part 2 : Graphical symbols (IEC 60417DB:2007, IDT) IECEE OD-5014 IEC System of Conformity Assessment Schemes for Electrotechnical Equipment and Components (IECEE System), Committee of Testing Laboratories (CTL), Instrument Accuracy Limits 2 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60269-1 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: ——IEC Electropedia: available at http://www.electropedia.org/ ——ISO Online browsing platform: available at http://www.iso.org/obp 2.1 General terms 2.1.101 battery one or more cells fitted with devices necessary for use, for example case, terminals, markings and protective devices etc., as necessary for use [SOURCE: IEC 60050-482:2004, 482-01-04, modified.] 2.1.102 cell basic functional unit, consisting of an assembly of electrodes, electrolyte, container, terminals and usually separators, that is a source of electric energy obtained by direct conversion of chemical energy [SOURCE: IEC 60050-482:2004, 482-01-01, modified.] 2.1.103 battery module group of cells connected together, either in a series and/or parallel configuration with or without protective devices (e.g. fuse or PTC: Positive Temperature Coefficient) and monitoring circuitry 2.1.104 battery system battery system which incorporates one or more cells, modules or battery packs including associated devices Note 1: It has battery management unit to cut off in case of overcharging, over current, and overheating. It may have cooling or heating units. 2.1.105 rated energy quantity of energy, declared by the manufacturer, which under the specified conditions can be discharged from fully charged flow battery energy storage system, to fully discharge Note 1: The rated energy is expressed in watt hour (Wh). 2.1.106 rated output power electrical power, declared by the manufacturer, which under the specified operating conditions is the maximum output power designed to be achieved Note 1: The rated output power is normally expressed in watt (W). 2.1.107 short-circuit current maximum current which can be delivered by a cell or battery into an external circuit with zero electric resistance, or an external circuit which depresses the cell or battery voltage to approximately zero volts [SOURCE: IEC 60050-482:2004, 482-03-26, modified.] 2.1.108 open circuit voltage OCV off-load voltage Uoc voltage across the terminals of a cell or battery when no external current is flowing [SOURCE: IEC 60050-482:2004, 482-03-32, modified.] 2.1.109 overcurrent protective device device provided to interrupt an electrical circuit in case the conductor current in the electrical circuit exceeds a predetermined value for a specified duration 2.1.110 rated capacity capacity value of a cell or battery determined under specified conditions and declared by the manufacturer [SOURCE: IEC 60050-482:2004, 482-03-15, modified.]