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《Journal of Hydroelectric Engineering》 2013-01
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Dynamic storage of Three Gorge reservoir and its application to flood regulations: 2.Flood regulations with dynamic flood control levels

ZHOU Jianjun1,CHENG Genwei2,YUAN Jie3,WANG Yuhua3,FAN Jihui2,WU Dunyin4,JIN Yong1(1.Dept of Hydraulic,State Key Laboratory of Hydro-science and Engineering,Tsinghua University, Beijing 100084;2.Institute of Mountain Hazards and Environment,CAS,Chengdu 610041; 3.Centre of Cascading Reservoirs Operation and Communication,China Yangtze Power Co.Ltd.,Yichang, Hubei 443133;4.Jiangxi Normal University,Nanchange 330027)  
Based on the sensitivity of water stage variation,a dynamic flood control level(DFCL) method is proposed for the flood regulations of the Three Gorge reservoir(TGR).During the summer season,if no floods,the pool level can be elevated to 150m to increase power generation,and as long as a high flood is forecasted,the pool level can be lowered to the designed 145m or even as low as to 135m in time by increasing the relase of the TGR,utilizing 1-2days forecast of in-pool floods.An operating model for the TGR has been developed to analyze the different operation schemes.The simulations show that operation by the DFCL can satisfy the flood control requirements for different designed flood of P=1% and 0.1% by increasing the flood control capacities and result better consequence of flood control than the original operation with fixed FCL at 145m.Both benefits in flood control and electricity generation can be boost up with the DFCL.This scheme can also increase the variation of pool levels that may be able to improve the ecological conditions.
【Fund】: 水利部公益性行业专项-三峡溪洛渡向家坝水库联合防洪调度研究(200901002);; 水沙科学与水利水电工程国家重点实验室自主研究课题(2011-KY-2);; 长江电力科研项目-长江上游变化条件下的水文预报方案研究(2410020005)
【CateGory Index】: TV697.13
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