QGDW11124.3-2013750kV架空输电线路杆塔复合横担技术规定第3部分：试验技术

ICS 29.240
Q/GDWQ / GDW ××× — 2012 国家电网公司企业标准 Q / GDW 11124.3 — 2013
750kV 架空输电线路杆塔复合横担技术规定 第 3 部分：试验技术 Technical code for design of composite crossarm to 750kV overhead transmission line Part 3: test technology 2014-04-15发布 2014-04-15实施 国家电网公司 发 布 I Q / GDW 11124.3 — 2013 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 总则 ······························································································································································ 2 5 复合横担试验类型 ······································································································································ 2 5.1 结构性能试验 ············································································································································ 2 5.2 电气性能试验 ············································································································································ 2 6 复合横担结构性能试验 ······························································································································· 2 6.1 试品及布置要求 ········································································································································ 2 6.2 材料力学性能试验 ····································································································································· 3 6.3 杆件稳定性能试验 ····································································································································· 3 6.4 节点连接性能试验 ····································································································································· 4 6.5 横担整体结构荷载试验 ······························································································································ 4 6.6 杆塔结构荷载试验 ····································································································································· 4 6.7 杆件疲劳试验 ············································································································································ 4 6.8 节点疲劳试验 ············································································································································ 5 6.9 横担整体疲劳试验 ····································································································································· 5 7 复合横担电气性能试验 ······························································································································· 5 7.1 试品及布置要求 ········································································································································ 5 7.2 雷电冲击干耐受电压试验 ··························································································································· 5 7.3 操作冲击湿耐受电压试验 ··························································································································· 6 7.4 工频干耐受电压试验 ·································································································································· 7 7.5 人工污秽耐受电压试验 ······························································································································ 7 7.6 可见电晕电压及无线电干扰水平试验 ·········································································································· 8 7.7 电位分布试验 ············································································································································ 8 7.8 老化试验 ·················································································································································· 9 7.9 海拔校正 ·················································································································································· 9 附录 A（资料性附录） 750kV 架空输电线路复合材料横担基本结构型式 ··············································· 10 附录 B（资料性附录） 750kV 复合横担典型设计整体塔头间隙冲击电压试验数据 ································ 11 附录 C（资料性附录） 推荐的 750kV 复合横担最小结构高度和爬电距离 ·············································· 12 附录 D（规范性附录） 在运行电压和模拟气候条件下的老化试验 ··························································· 13 编制说明 ·························································································································································· 15 I