ICS 29.130.10 CCS K 43 备案号： 63049-2018 中华人民共和国电力行业标准 DL/T 617—2019 代替 DL/T 617—2010 气体绝缘金属封闭开关设备技术条件 Specification for gas-insulated metal-enclosed switchgear （IEC 62271-203:2011 High-voltage switchgear and controlgear— Part 203: Gas-insulated metal-enclosed swit chgear for rated voltages above 52 kV , MOD ） 2019-11-04 发布 2020-05-01 实施 国家能源局 发 布 中华人民共和国 电力行业标准 气体绝缘金属封闭开关设备技术条件 DL/T 617—2019 代替 DL/T 617—2010 * 中国电力出版社出版、印刷、发行 （北京市东城区北京站西街 19号 100005 http://www.cepp.sgcc.com.cn ） * 2022年1月第一版 2022年1月北京第一次印刷 880毫米×1230 毫米 16开本 6.25印张 198千字 * 统一书号 155198·3422 定 价 94.00元 版 权 专 有 侵 权 必 究 本书如有印装质量问题，我社营销中心负责退换 DL/T 617—2019 代替 DL / T 617—2010 DL/T 617—2019 I 目 次 前言 ······························································································································· ···································IV 1 概 述 ······························································································································· ······························· 1 1.1 范 围 ······························································································································· ························ 1 1.2 规范性引用文件 ······························································································································· ···· 1 2 正常和特殊使用条件 ······························································································································· ··· 2 2.1 概 述 ······························································································································· ························ 2 2.2 正常使用条件 ······························································································································· ········ 3 2.3 特殊使用条件 ······························································································································· ········ 3 3 术语和定义 ······························································································································· ··················· 3 4 额定值 ······························································································································· ··························· 6 4.1 概 述 ······························································································································· ························ 6 4.2 额定电压（ Ur）······························································································································· ····· 6 4.3 额定绝缘水平 ······························································································································· ········ 6 4.4 额定频率（ fr）······························································································································· ······ 7 4.5 额定电流和温升 ······························································································································· ···· 7 4.6 额定短时耐受电流（ Ik）····················································································································· 8 4.7 额定峰值耐受电流（ Ip）····················································································································· 8 4.8 额定短路持续时间（ tk）····················································································································· 8 4.9 合分闸装置以及辅助和控制回路的额定电源电压（ Ua）································································· 8 4.10 合分闸装置以及辅助和控制回路的额定电源频率 ··········································································· 8 4.11 可控压力系统用压缩气源的额定压力 ······························································································· 8 4.12 绝缘和 /或开合用的气体额定充入水平 ······························································