ICS 29.120 CCS F 29 备案号： 53939-2016 准 T/CEC 703—2022 站用低压交流电源系统剩余电流监测装置 技术规范 Technical specification for res idual current monitoring device of low-voltage AC power supply system in substation 2022-10-26 发布 2023-02-01 实施 中国电力企业联合会 发 布 全国团体标准信息平台 中国电力企业联合会标准 站用低压交流电源系统剩余电流监测装置 技术规范 T/CEC 703—2022 * 中国电力出版社出版、印刷、发行 （北京市东城区北京站西街 19号 100005 http://www.cepp.sgcc.com.cn ） * 2023年2月第一版 2023年2月北京第一次印刷 880毫米× 1230毫米 16开本 1.5印张 49千字 * 统一书号 155198·4611 定 价32.00元 版 权 专 有 侵 权 必 究 本书如有印装质量问题，我社营销中心负责退换 T/CEC 703—2022 全国团体标准信息平台 T/CEC 703—2022 I 目 次 前言 ······························································ ······························································· III 1 范 围 ······························································ ···························································· 1 2 规范性引用文件 ······························································ ············································· 1 3 术语和定义 ······························································ ··················································· 1 4 装置组成及监测方式 ······························································ ······································· 2 4.1 装置组成 ······························································ ················································· 2 4.2 监测方式 ······························································ ················································· 2 5 技术要求 ······························································ ······················································ 3 5.1 工作条件 ······························································ ················································· 3 5.2 通用要求 ······························································ ················································· 3 5.3 结构与元器件要求 ······························································ ····································· 3 5.4 测量和报警准确度 ······························································ ····································· 4 5.5 功能要求 ······························································ ················································· 4 5.6 电气绝缘性能 ······························································ ··········································· 6 5.7 电磁兼容性能 ······························································ ··········································· 6 5.8 环境适应性能 ······························································ ··········································· 7 5.9 机械性能 ······························································ ················································· 7 5.10 其他性能 ······························································ ················································ 7 6 试验方法 ······························································ ······················································ 8 6.1 一般检查 ······························································ ················································· 8 6.2 防护等级试验 ······························································ ··········································· 8 6.3 基本功能试验 ······························································ ··········································· 8 6.4 时钟同步试验 ······························································ ··········································· 8 6.5 显示与查询功能试验 ······························································ ·································· 9 6.6 报警功能试验 ······························································ ··········································· 9 6.7 装置故障报警功能试验 ······························································ ····························· 11 6.8 通信功能试验 ······························································ ······