ICS 29.240.99 CCS A50/64 DL 中华人民共和国电力 行业标准 DL/T XXXXX—XXXX 直流电能表检定装置技术规范 Technical specification for verification equipment of direct current electricity meters (点击此处添加与国际标准一致性程度的标识 ) （报批稿） （本草案完成时间： 2023. 12.12） XXXX - XX - XX发布 XXXX - XX - XX实施 国家能源局 发布 DL/T XXXXX—XXXX 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 分类 ................................................................................ 1 按装置电流输出方式 .............................................................. 1 按准确度等级 .................................................................... 1 按装置工作原理 .................................................................. 1 5 电气参量 ............................................................................ 2 电压 ............................................................................ 2 电流 ............................................................................ 2 6 技术要求 ............................................................................ 2 计量性能 ........................................................................ 2 气候环境条件 .................................................................... 5 机械结构 ........................................................................ 5 电气性能 ........................................................................ 6 功能 ............................................................................ 8 电磁兼容 ........................................................................ 9 7 试验方法 ............................................................................ 9 试验条件 ........................................................................ 9 直观检查 ....................................................................... 10 机械危险防护试验 ............................................................... 10 IP防护等级试验 ................................................................. 10 绝缘电阻试验 ................................................................... 10 工频耐压试验 ................................................................... 10 脉冲电压试验 ................................................................... 11 通电检查 ....................................................................... 11 带载能力试验 ................................................................... 11 调节范围试验 .................................................................. 12 调节细度试验 .................................................................. 12 直流纹波系数试验 .............................................................. 12 监视示值误差试验 .............................................................. 12 热稳定性试验 .................................................................. 12 功率稳定度试验 ................................................................ 12 基本误差试验 .................................................................. 13 测量重复性试验 ................................................................ 14 多路输出一致性试验 ............................................................ 15 DL/T XXXXX—XXXX II 稳定性变差试验 ................................................................ 15 时钟准确度试验 ................................................................ 15 环境温度改变影响量试验 ........................................................ 15 表面温度限值试验 .............................................................. 16 电磁兼容试验 .................................................................. 16 8 检验规则 ........................................................................... 16 检验分类 ....................................................................... 16 检验项目 ....................................................................