摘要
为更好地编制溪洛渡、向家坝、三峡和葛洲坝电站发电计划,指导水库调度,针对坝址设计来水进行复核分析。根据长江上游25个控制性水库的位置及水文站网分布,对各依据水文站1959~2014年的旬径流系列进行了统计分析、插补延长、还原计算,推求得到了各坝址处的径流过程。其中溪洛渡和向家坝坝址多年平均年径流量与可研成果基本相同;三峡和葛洲坝坝址多年平均年径流量为4290亿m^(3),因近年向家坝至三峡区间来水偏少,计算较初设偏小约4.9%。综合分析认为,本次研究成果较为合理。
In order to prepare a better power generation plan for Xiluodu,Xiangjiaba,Three Gorges and Gezhouba Hydropower Stations and guide the dispatching of the reservoirs,a review analysis of the design runoffs of the dam sites is conducted.Based on the locations of 25 control reservoirs in the upper reaches of the Yangtze River and the distribution of the hydrological station network,the ten-day runoff series data of the hydrological stations from 1959 to 2014 are statistically analyzed,interpolated,extended and restored,and the runoff process at each dam site is derived.It shows that the average annual runoffs at Xiluodu and Xiangjiaba dam sites are basically identical to the feasibility study results.The average annual runoff at Three Gorges and Gezhouba dam sites is 429 billion m^(3),which is about 4.9%smaller than the initial design results due to the relatively small amount of the inflow water in Xiangjiaba-Three Gorges section in recent years.Comprehensive analysis shows that the results of this study are reasonable.
作者
郭乐
李妍清
鲍正风
李鹏
舒卫民
GUO Le;LI Yanqing;BAO Zhengfeng;LI Peng;SHU Weimin(China Yangtze Power Co.,Ltd.,Yichang 443000,China;Bureau of Hydrology,Changjiang Water Resources Commission,Wuhan 430010,China)
出处
《水电与新能源》
2023年第9期4-8,共5页
Hydropower and New Energy
基金
国家重点研发计划(2019YFC0409000)
长江水科学联合基金资助项目(U2040210)。
关键词
坝址设计径流
旬径流系列
插补延长
还原计算
复核分析
design runoff at dam site
ten-day runoff series
interpolation and extension
restore calculation
review analysis
