DL/TXXXX—XXXX ICS29.240.99 CCSK40 备案号： DL 中华人民共和国电力行业标准 DL/TXXXX—202X □□□□-□□-□□发布 □□□□-□□-□□实施 国家能源局发布变电站预制舱式组合设备技术规范 第1部分：开关设备舱 Technicalspecificationsforprefabricatedcabin-typecombinedequipmentfor substation Part1：Switchgearcabin （报批稿）DL/TXXXX—XXXX I目  次 前言............................................................................................................................................................................IV 引言.............................................................................................................................................................................V 1范围..........................................................................................................................................................................1 2规范性引用文件......................................................................................................................................................1 3术语和定义..............................................................................................................................................................3 4使用条件..................................................................................................................................................................4 4.1正常使用条件...................................................................................................................................................4 4.2特殊使用条件...................................................................................................................................................5 5额定值......................................................................................................................................................................6 5.1概述....................................................................................................................................................................6 5.2额定电压（Ur）...............................................................................................................................................7 5.3额定绝缘水平...................................................................................................................................................7 5.4额定频率（fr）.................................................................................................................................................7 5.5额定电流（Ir）.................................................................................................................................................7 5.6额定短时耐受电流（Ik、Ike、Icw）................................................................................................................7 5.7额定峰值耐受电流（Ip、Ipe、Ipk）.................................................................................................................7 5.8额定短路持续时间（tk、tke）.........................................................................................................................8 5.9合、分闸装置以及辅助和控制回路的额定电源电压（Ua）......................................................................8 5.10合、分闸装置以及辅助和控制回路的额定电源频率................................................................................8 5.11绝缘和/或开合用的介质的额定充入水平...................................................................................................8 5.12开关设备舱内部电弧等级（IAC）的额定值..............................................................................................8 6设计与结构..............................................................................................................................................................9 6.1概述...................................................................................................................................................................9 6.2开关设备舱总体技术要求.............................................................................................................................10 6.3对舱内设备中气体的要求....................................................................