【摘要】 220kV舟山与大陆联网跨越螺头国际航道特大跨越按500kV设计,是目前世界上规模最大的输电线路跨越工程,该工程地理位置特殊,设计条件复杂。着重分析研究了输电线路特大跨越设计中的关键技术问题,包括导线选型、跨越塔设计、铁塔基础设计,并提出了设计采用的具体方案。更多还原

【Abstract】 220 kV Zhoushan extra large crossing over Luotou international channel,which connects the island power grid with the mainland power grid,is designed according to 500 kV,and it’s the largest transmission crossing span in the world.The project is of very special geographical location,and complex design conditions.The paper analyzes and studies the key technical issues in extra long crossing span design,including the conductor model selection;crossing tower design,tower foundation design,and puts forward a specific design for the project.更多还原