NB ICS 27.100 CCS K 10 中华人民共和国能源行业标准 NB/T 10687—2021
高原用高地震烈度条件高压直流设备 选型检验规范 Specification for selection and insp ection of HVDC equipment in high earthquake intensity co nditions on plateau 2021-04-26 发布 2021-07-26 实施 国家能源局 发 布 NB/T 10687—2021 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 海拔分级 ···················································································································· 2 5 技术要求 ···················································································································· 2 5.1 高海拔地区设备外绝缘的修正 ··················································································· 2 5.2 地震烈度规定 ········································································································· 2 6 一般原则 ···················································································································· 3 7 抗震性能校验 ·············································································································· 3 7.1 一般要求 ··············································································································· 3 7.2 静力计算校验 ········································································································· 4 7.3 动态分析校验 ········································································································· 4 8 抗震性能试验 ·············································································································· 5 8.1 抗震试验的设备及分类 ···························································································· 5 8.2 抗震试验的一般原则 ······························································································· 5 8.3 抗震试验方法和要求 ······························································································· 5 9 抗震试验后的性能诊断试验 ···························································································· 6 9.1 总 则 ····················································································································· 6 9.2 套 管 ····················································································································· 6 9.3 直流避雷器 ············································································································ 7 9.4 直流电压测量装置、直流电流测量装置 ······································································· 7 9.5 直流电容器 ············································································································ 7 9.6 直流开关设备 ········································································································· 7 9.7 直流支柱绝缘子 ······································································································ 8 附录 A（资料性） 高海拔对高压直流设备抗震的影响及其修正方法 ············································ 9 附录 B（资料性） 某± 800 kV换流站 800 kV直流穿墙套管抗震响应分析 ··································· 10 附录 C（规范性） 高压直流设备抗震性能试验方法步骤 ·························································· 13 附录 D（资料性） 某± 800 kV换流站 800 kV直流穿墙套管抗震试验 ········································· 15 参考文献 ························································································································ 18 NB/T 10687—2021 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。