DL-T 2256-2021 电力用智能换相装置技术规范

ICS 29.240.01 CCS F 21 DL 中华人民共和国电力行业标准 DL/T 2256—2021 电力用智能换相装置技术规范 Technical specification for intelligent phas e switching device for electric power 2021 - 01 - 07发布 2021 - 07 - 01实施国家能源局发布 DL/T XXXX —XXXX I 目次前言 ................................ ................................ ............... III 1 范围 ................................ ................................ .............. 1 2 规范性引用文件 ................................ ................................ .... 1 3 术语、定义和符号 ................................ ................................ .. 1 3.1 术语和定义 ................................ ................................ .... 1 3.2 符号 ................................ ................................ .......... 3 4 基本参数 ................................ ................................ .......... 3 4.1 装置组成 ................................ ................................ ...... 3 4.2 换相开关电气接线 ................................ .............................. 3 4.3 控制单元额定输入电气量 ................................ ........................ 3 4.4 换相开关额定频率 ................................ .............................. 3 4.5 换相开关额定电流 ................................ .............................. 3 5 典型接线 ................................ ................................ .......... 3 6 使用条件 ................................ ................................ .......... 3 6.1 环境条件 ................................ ................................ ...... 4 6.2 电气条件 ................................ ................................ ...... 4 6.3 特殊使用条件 ................................ ................................ .. 4 7 技术要求 ................................ ................................ .......... 4 7.1 外观与结构 ................................ ................................ .... 4 7.2 防护等级 ................................ ................................ ...... 5 7.3 电气间隙与爬电距离 ................................ ............................ 5 7.4 绝缘性能 ................................ ................................ ...... 5 7.5 接地性能 ................................ ................................ ...... 6 7.6 接触电流 ................................ ................................ ...... 6 7.7 功能要求 ................................ ................................ ...... 6 7.8 性能要求 ................................ ................................ ...... 7 7.9 通信端口性能要求 ................................ .............................. 8 7.10 温升限值 ................................ ................................ ..... 8 7.11 导通压降 ................................ ................................ ..... 9 7.12 功率消耗 ................................ ................................ ..... 9 7.13 过载性能 ................................ ................................ ..... 9 7.14 耐湿热性能 ................................ ................................ ... 9 7.15 机械性能 ................................ ................................ ..... 9 7.16 阻燃性能 ................................ ................................ .... 10 7.17 动作寿命 ................................ ................................ .... 10 DL/T XXXX —XXXX II 7.18 电磁兼容 ................................ ................................ .... 11 8 试验方法 ................................ ................................ ......... 12 8.1 外观与结构检查 ................................ ............................... 12 8.2 防护等级试验 ................................ ................................ . 12 8.3 电气间隙与爬电距离试验 ................................ ....................... 12 8.4 绝缘性能试验 ................................ ................................ . 12 8.5 接地性能试验 ................................ ................................ . 13 8.6 接触电流试验 ................................ ................................ . 13 8.7 功能试验 ......................