ICS 29.240.01 K 45 NB 中华人民共和国 能源行业标准 NB/T 10445—2020 城市轨道交通直流馈线保护装置 通用技术要求 General technical specification of DC feeder protect ion equipment for urban rail transit 2020 - 10 -23发布 2021 - 02 - 01实施 国家能源局 发布 NB/T 10445—2020 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 技术要求 ................................ ................................ ........... 3 4.1 环境条件 ................................ ................................ ....... 3 4.2 额定参数 ................................ ................................ ....... 3 4.3 装置的功能要求 ................................ ................................ . 4 4.4 装置的性能要求 ................................ ................................ . 5 4.5 电磁兼容要求 ................................ ................................ ... 6 4.6 绝缘要求 ................................ ................................ ....... 6 4.7 机械性能 ................................ ................................ ....... 6 4.8 耐湿热性能 ................................ ................................ ..... 7 4.9 连续通电 ................................ ................................ ....... 7 4.10 结构及外观要求 ................................ ................................ 7 4.11 安全要求 ................................ ................................ ...... 7 5 试验方法 ................................ ................................ ........... 8 5.1 试验条件 ................................ ................................ ....... 8 5.2 运行温度试验 ................................ ................................ ... 8 5.3 贮存温度试验 ................................ ................................ ... 8 5.4 温度变化试验 ................................ ................................ ... 8 5.5 触点性能试验 ................................ ................................ ... 8 5.6 功率消耗试验 ................................ ................................ ... 8 5.7 装置功能试验 ................................ ................................ ... 8 5.8 装置性能试验 ................................ ................................ ... 8 5.9 电磁兼容性能试验 ................................ ............................... 8 5.10 直流电源影响试验 ................................ .............................. 9 5.11 绝缘试验 ................................ ................................ ..... 10 5.12 机械性能试验 ................................ ................................ . 10 5.13 湿热试验 ................................ ................................ ..... 10 5.14 连续通电试验 ................................ ................................ . 10 5.15 结构和外观检查 ................................ ............................... 10 5.16 安全试验 ................................ ................................ ..... 10 6 检验规则 ................................ ................................ .......... 10 6.1 检验分类 ................................ ................................ ...... 10 6.2 出厂试验 ................................ ................................ ...... 10 6.3 型式试验 ................................ ................................ ...... 10 NB/T 10445—2020 II 7 标志、包装、运输和贮存 ................................ ............................. 11 7.1 标志 ................................ ................................ ........... 11 7.2 包装 ................................ ................................ ........... 12 7.3 运输 ................................ ................................ ........... 12 7.4 贮存 ................................ ................................ ........... 12 8 其他 ................................ .........................