NB-T 10446-2020 1000V以下馈线保护装置通用技术要求

ICS 29.240.01 K 45 NB 中华人民共和国能源行业标准 NB/T 10446—2020 1 000 V以下馈线保护装置通用技术要求 General technical requirements for line protection equi pment up to 1 000 V 2020 - 10 - 23发布 2021 - 02 - 01实施国家能源局发布 NB/T 10446—2020 II 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 ................................ ................................ ........... 2 4.1 环境条件 ................................ ................................ ....... 2 4.2 额定电气参数 ................................ ................................ ... 3 4.3 固有准确度 ................................ ................................ ..... 3 4.4 开关量输入和输出 ................................ ............................... 3 4.5 过载能力 ................................ ................................ ....... 4 4.6 功率消耗 ................................ ................................ ....... 4 4.7 装置的功能要求 ................................ ................................ . 4 4.8 装置的性能要求 ................................ ................................ . 5 4.9 其他要求 ................................ ................................ ....... 7 4.10 绝缘性能要求 ................................ ................................ .. 7 4.11 机械性能要求 ................................ ................................ .. 8 4.12 耐湿热性能要求 ................................ ................................ 8 4.13 电磁兼容要求 ................................ ................................ .. 9 4.14 连续通电 ................................ ................................ ...... 9 4.15 结构和外观要求 ................................ ................................ 9 4.16 安全要求 ................................ ................................ ...... 9 4.17 配线端子要求 ................................ ................................ . 10 5 试验方法 ................................ ................................ .......... 10 5.1 试验条件 ................................ ................................ ...... 10 5.2 运行温度试验 ................................ ................................ .. 10 5.3 贮存、运输温度试验 ................................ ............................ 10 5.4 电源影响试验 ................................ ................................ .. 10 5.5 触点性能试验 ................................ ................................ .. 10 5.6 过载能力试验 ................................ ................................ .. 10 5.7 功率消耗试验 ................................ ................................ .. 10 5.8 装置的功能和技术性能试验 ................................ ...................... 10 5.9 绝缘性能试验 ................................ ................................ .. 11 5.10 机械性能试验 ................................ ................................ . 11 5.11 耐湿热性能试验 ................................ ............................... 11 5.12 电磁兼容试验 ................................ ................................ . 12 5.13 连续通电试验 ................................ ................................ . 11 NB/T 10446—2020 III 5.14 结构和外观检查 ................................ .............................. 11 5.15 安全要求试验 ................................ ................................ 11 6 检验规则 ................................ ................................ ......... 12 6.1 检验分类 ................................ ................................ ..... 12 6.2 型式试验 ................................ ................................ ..... 12 6.3 出厂试验 ................................ ................................ ..... 13 7 标志、标签及使用说明书 ................................ ........................... 13 7.1 标志和标签 ...........................