准东-华东±1100kV特高压直流输电线路工程杆塔设计原则-初稿-10-25-马勇石磊修改稿VIP专享VIP免费

准东-华东±1100kV 特高压直流输电线路工程杆塔设计原则国家电网公司直流建设部二○一五年十月目 录1 工程概况........................................................................................................................................... 12 技术标准和规程规范.........................................................................................................................13 电气条件........................................................................................................................................... 23.1 气象条件组合....................................................................................................................................23.2 导地线方案及参数..........................................................................................................................133.3 计算用最大风速..............................................................................................................................143.4 空气间隙..........................................................................................................................................153.5 极间距取值......................................................................................................................................163.6 绝缘子串型及参数..........................................................................................................................173.7 导地线布置方式..............................................................................................................................263.8 防雷保护..........................................................................................................................................264 杆塔型式和杆塔规划.......................................................................................................................274.1 杆塔型式..............................................................................................................