ICS 29.130.10 CCS K 43 备案号： 68965-2019 中华人民共和国电力行业标准 DL/T 2606—2023 直流转换开关振荡特性现场试验方法 Test method for oscillation characteristics of direct current transfer switches on site 2023-05-26 发布 2023-11-26 实施 国家能源局 发 布 《电子编加稿件》 XM98008 责编：常丽燕 成品： 210*297 责校：马 宁 版心： 166*238 字数： 45*43行 天35 地 24 订 24 切 20 描图： 3张 中华人民共和国 电力行业标准 直流转换开关振荡特性现场试验方法 DL/T 2606—2023 * 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 ） * 2023年10月第一版 2023年10月北京第一次印刷 880毫米× 1230毫米 16开本 0.75印张 22千字 * 统一书号 155198·4921 定 价20.00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 2606—2023 DL/T 2606—2023 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 试验原理 ······························································································································· ······················· 1 5 试验条件 ······························································································································· ······················· 2 6 仪器设备 ······························································································································· ······················· 2 7 试验步骤 ······························································································································· ······················· 3 8 试验数据处理 ······························································································································· ··············· 3 9 试验报告要求 ······························································································································· ··············· 3 附录 A （规范性） 直流转换开关振荡特性现场试验的数据处理方法 ························································ 5 附录 B （资料性） 试验记录表 ······················································································································ 6 参考文献 ······························································································································· ····························· 7 DL/T 2606—2023 II 前 言 本文件按照 GB/T 1.1 —2020《标准化工作导则 第 1部分：标准化文件的结构和起草规则》的规定 起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中国电力企业联合会提出。 本文件由电力行业高压试验技术标准化技术委员会现场检测分技术委员会（ DL/TC 14/SC 1 ）归口。 本文件起草单位： 国网湖北省电力有限公司电力科学研究院、国网四川省电力公司电力科学研究 院、国网经济技术研究院有限公司、中国南方电网有限责任公司超高压输电公司、国网湖北省电力有限公司、国网山东省电力公司电力科学研究院、国网新疆电力有限公司电力科学研究院、西安西电开关电气有限公司、北京日立能源电力系统有限公司。 本文件主要起草人：童歆、张致、贾志杰、申笑林、卢军、黎卫国、李杰、张飞、李劲彬、李心一、 李想。 本文件为首次发布。 本文件在执行过程中的意见或建议反馈至中国电力企业联合会标准化管理中心（北京市白广路二条 一号， 100761）。 DL/T 2606—2023 1 直流转换开关振荡特性现场试验方法 1 范 围 本文件规定了直流转换开关振荡特性现场试验的试验原理、试验条件、仪器设备、试验步骤、试验 数据处理和试验报告要求。 本文件适用于高压直流输电系统用金属回线转换开关、大地回线转换开关、中性母线开关和中性母 线接地开关等直流转换开关的振荡特性现场试验。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件， 仅该日期对应的版本适用于本文件； 不注日期的引用文件， 其最新版本 （包括所有的修改单） 适用于本文件。 GB/T 2900.20 电工术语 高压开关设备和控制设备 GB/T 13498 高压直流输电术语 GB/T 25309 高压直流转换开关 DL/T 273 ± 800 kV特高压直流设备预防性试验规程 DL/T 274 ± 800 kV高压直流设备交接试验 3 术语和定义 GB/T 2900.20 、GB/T 13498 和GB/T 25309 界定的以及下列术语和定义适用于本文件。 3.1 振荡回路 oscillation circuit 用于在直流转换开关开断电流时产生振荡电流的回路，由电容器和电抗器（或杂散电感）构成。 3.2 振荡频率 oscillation frequency 振荡放电时电压（或电流）的频率，单位为赫兹（ Hz）。 ［来源： GB/T 34865 —2017，3.7］ 4 试验原理 直流转换开关振荡特性试验接线示意图见图 1。振荡回路中的电容器充电后，通过关合开断装置， 图1 直流转换开关振荡特