ICS29.130.10 CCSK43 DL 中华人民共和国电力行业标准 DL/T391—2025 代替DL/T391—2010 12kV户外高压真空断路器检修工艺规程 Themaintenancecodeof12kVoutdoorhighvoltagevacuumcircuit-breaker 2025-09-28发布 2026-03-28实施 国家能源局  发布DL/T391—2025 I目次 前言.......................................................................................................................................................................II 1范围.....................................................................................................................................................................1 2规范性引用文件.................................................................................................................................................1 3术语和定义.........................................................................................................................................................1 4技术参数.............................................................................................................................................................2 断路器技术参数.........................................................................................................................................2 断路器机械特性参数.................................................................................................................................3 断路器操动机构的主要技术参数.............................................................................................................3 断路器配合用的功能部件主要技术参数................................................................................................3 5检修要求.............................................................................................................................................................3 一般要求.....................................................................................................................................................4 检修时间.....................................................................................................................................................4 6检修内容.............................................................................................................................................................4 7检修前的准备工作.............................................................................................................................................5 确定检修内容与重点.................................................................................................................................5 外观检查.....................................................................................................................................................5 手动操作检查.............................................................................................................................................5 操动机构及辅助开关检查.........................................................................................................................5 电气连接与信号检查.................................................................................................................................6 8检修工艺及质量标准.........................................................................................................................................6 断路器主回路部分.....................................................................................................................................6 互感器/传感器...........................................................................................................................................6 传动部分.....................................................................................................................................................6 操动机构.....................................................................................................................................................6 隔离开关.....................................................................................................................................................7 断路器整体组装...............................