国家能源集团大渡河大岗山水电站

 

项目概况

Project Overview

 

• 建设单位：国能大渡河大岗山发电有限公司

• 工程等级：一等大（1）型工程

• 开发任务：以发电为主，兼顾防洪、拦沙等综合效益

• 梯级定位：大渡河干流规划 22 级方案的第 14 梯级，上接硬梁包、下连龙头石水电站

• Construction Unit: Guoneng Daduhe Dagangshan Power Generation Co., Ltd
• Engineering grade: First class large (1) type project
• Development task: Mainly focused on power generation, taking into account comprehensive benefits such as flood control and sediment interception
• Cascade positioning: The 14th cascade of the 22 level plan for the main stream of the Dadu River, connected to the hard beam package above and the Longtoushi hydropower station below

 

建设周期与投资

Construction period and investment

 

• 开工：2005 年 9 月

• 首台机组发电：2015 年 9 月

• 竣工：2017 年 6 月

• 总投资：约 178 亿元石棉县人民政府

• Construction started in September 2005
• First unit power generation: September 2015
• Completion: June 2017
• Total investment: Approximately 17.8 billion yuan, Shimian County People's Government

 

水库与大坝

Reservoirs and dams

 

• 正常蓄水位：1130.00 m

• 死水位：1120.00 m

• 总库容：7.42 亿 m³

• 调节库容：1.17 亿 m³（日调节）

• 坝型：混凝土双曲拱坝

• 最大坝高：210 m（世界最高抗震设防标准大坝）

• Normal water level: 1130.00 m
• Dead water level: 1120.00 m
• Total storage capacity: 742 million m³
• Regulating storage capacity: 117 million m³ (daily regulation)
• Dam type: concrete hyperbolic arch dam
• Maximum dam height: 210 meters (the world's highest seismic fortification standard dam)

 

发电指标

Power generation indicators

 

• 总装机：2600 MW（260 万千瓦），4 台单机 650 MW 混流式机组（国能已建单机最大）

• 多年平均发电量：114.5 亿 kWh

• 坝址控制流域面积：62727 km²（占大渡河总流域 81%）

• Total installed capacity: 2600 MW (2.6 million kilowatts), 4 single unit 650 MW mixed flow units (the largest single unit built by Guoneng)
• Annual average power generation: 11.45 billion kWh
• Dam site control watershed area: 62727 km ² (accounting for 81% of the total watershed of Dadu River)

 

核心荣誉

core honor

 

• 国家优质工程金奖

• 第十七届中国土木工程詹天佑奖

• National Quality Engineering Gold Award

• The 17th China Civil Engineering Zhan Tianyou Award