QGDW 12127-2025 低压开关柜技术规范

ICS 29.130.20 CCSK 31 备案号：37323-2012 国家电网有限公司企业标准 Q/GDW 12127—2025 代替Q/GDW12127 —2021 低压开关柜技术规范 Technicalspecificationforlow-voltageswitchgearassemblies XM109245 责编：刘薇 成品：210*297 责校：王海南 版心：166*238 字数：45 字*43 行 天 35 地 24 订 24 切 20 描图：596 张 二校替换描：9 张整页 2025-12-30 发布 2025-12-30 实施 国家电网有限公司 发布 Q/GDW 12127—2025 目 次 前言··································································································································································III 1 范围······························································································································································ 1 2 规范性引用文件 ·········································································································································· 1 3 术语和定义 ·················································································································································· 2 4 使用条件 ······················································································································································ 2 4.1 正常使用条件 ······································································································································· 2 4.2 特殊使用条件 ······································································································································· 2 5 结构要求 ······················································································································································ 3 5.1 典型结构方案 ······································································································································· 3 5.2 产品型号标识 ······································································································································· 7 5.3 外形尺寸及拼接尺寸 ···························································································································· 8 5.4 柜体结构及材料 ································································································································· 13 5.5 土建接口及安装位置尺寸 ·················································································································· 25 5.6 母线····················································································································································· 25 5.7 断路器安装位置及铭牌尺寸位置 ······································································································ 27 5.8 电流互感器配置与安装 ······················································································································ 27 5.9 电涌保护器配置 ································································································································· 27 5.10 避雷器配置 ······································································································································· 28 5.11 电能表配置与安装 ···························································································································· 28 5.12 其他要求 ··········································································································································· 29 6 技术参数及要求 ········································································································································ 30 6.1 通用参数 ············································································································································· 30 6.2 主要元器件要求及参数规格 ·············································································································· 36 6.3 配电自动化 ········································································································································· 45 7 试验项目及覆盖性说明 ····························································································································· 47 7.1 试验项目 ············································································································································· 47 7.2 试验样机覆盖性要求 ·························································································································· 49 7.3 关键元器件供应商要求 ······················································································································ 50 7.4 试验项目覆盖性要求 ·························································································································· 50 8 试验程序及试验申请资料要求 ················································································································· 51 8.1 试验程序 ············································································································································· 51 8.2 试验申请资料要求 ······························································································································ 51 9 试验方法与要求 ········································································································································ 52 9.1 试验基本要求 ····································································································································· 52 9.2 标志····················································································································································· 53 9.3 布线、操作性能和功能 ······················································································································ 53 9.4 提升····················································································································································· 54 9.5 机械操作 ············································································································································· 55 I