电动汽车电池更换系统 第2部分：安全要求

[中文适用范围]： IEC 62840-2:2025规定了电池更换系统（BSS）的安全要求，旨在实现电动汽车可更换电池系统（SBS）或手持式可更换电池系统（HBS）的更换操作。该电池更换系统应连接至供电网络，其供电电压最高为1000伏交流电或1500伏直流电，符合IEC 60038标准。本文件也适用于由现场储能系统（例如缓冲电池）供电的电池更换系统。本文件涵盖以下内容： • 电池更换系统及其相关系统的安全要求； • 通信的安全要求； • 电磁兼容性（EMC）； • 标志和使用说明； • 防止电击及其他危害的措施。 本文件适用于配备一个或多个SBS/HBS的电动汽车的电池更换系统。 本文件不适用于以下方面： • 电池更换站（BSS）的维护和服务相关内容； • 无轨电车、铁路车辆以及主要设计用于非道路使用的车辆； • 电动汽车的维护和服务。 关于双向能量传输的要求正在考虑之中。 本版文件取代并废止了2016年发布的首版文件，属于技术修订版。 相较于前一版，本版文件包括以下重大技术变更： a) 将适用范围扩展至涵盖可更换电池系统（SBS）和手持式可更换电池系统（HBS）； b) 通过详细系统接口规范和定义的状态转换协议，引入更严格的互操作性要求； c) 通过定义安全信息传输协议并整合电信网络要求，增强数据安全性； d) 通过规定电容放电时间限制，提高电池更换站（BSS）的电气安全防护等级，以降低电击风险； e) 提出针对自动化电池处理系统的增强机械安全要求，并与ISO 10218-1和ISO 10218-2的技术标准对齐； f) 通过标准化测试方法和过电流保护规范，提高BSS的过载和短路保护能力； g) 定义升级后的电磁兼容性（EMC）标准，以确保系统对外部干扰的抗干扰能力，并补充了与EMC相关的功能安全措施。 本文件应与IEC 62840-1:2025同时参考使用。 [外文原描述]： IEC 62840-2:2025 provides the safety requirements for a battery swap system, for the purposes of swapping swappable battery system (SBS)/handheld-swappable battery system (HBS) of electric vehicles. The battery swap system is intended to be connected to the supply network. The power supply is up to 1 000 V AC or up to 1 500 V DC in accordance with IEC 60038. This document also applies to battery swap systems supplied from on-site storage systems (e.g. buffer batteries). Aspects covered in this document: • safety requirements of the battery swap system and its systems; • security requirements for communication; • electromagnetic compatibility (EMC); • marking and instructions; • protection against electric shock and other hazards. This document is applicable to battery swap systems for EV equipped with one or more SBS/HBS. This document is not applicable to • aspects related to maintenance and service of the battery swap station (BSS), • trolley buses, rail vehicles and vehicles designed primarily for use off-road, and • maintenance and service of EVs. Requirements for bidirectional energy transfer are under consideration This second edition cancels and replaces the first edition published in 2016. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) expands the scope to encompass both swappable battery systems (SBS) and handheld swappable battery systems (HBS); b) introduces stricter interoperability requirements through detailed system interface specifications and defined state transition protocols; c) enhances data security by defining safety message transmission protocols and integrating telecom network requirements; d) increases electrical safety protection levels for battery swap stations (BSS) with specified capacitor discharge time limits to mitigate electric shock risks; e) introduces enhanced mechanical safety requirements for automated battery handling systems, with technical alignment to ISO 10218-1 and ISO 10218-2; f) strengthens overload and short-circuit protection for BSS through standardized testing methods and overcurrent protection specifications; g) defines upgraded electromagnetic compatibility (EMC) standards to ensure system resilience against external interference, supplemented with EMC-related functional safety measures. This document is to be read in conjunction with IEC 62840-1:2025.