白鹤滩水电站受溪洛渡水电站回水顶托影响的分析

发布时间：2019-02-21 09:22

【摘要】：2013年溪洛渡水电站首次蓄水发电,根据可研阶段设计成果,溪洛渡水电站在正常蓄水位600 m附近运行时,水库回水长度约199 km,此时回水范围将影响至上游建设中的白鹤滩水电站。根据白鹤滩水电站坝区白鹤滩水文站、右尾水水位站以及下导出水位站在溪洛渡水电站蓄水前后的实测水位、流量等水文数据,分析研究溪洛渡蓄水前后白鹤滩主要断面水位流量关系变化情况。结果表明,在溪洛渡水电站蓄水至575m时,开始影响白鹤滩坝区,最大影响程度可达到18 m。根据溪洛渡水库调度运行特点,白鹤滩坝区受影响时间在每年9月至次年3月,这对白鹤滩水电站施工安全有重要作用。
[Abstract]:In 2013, Xiluodu Hydropower Station first stored water for power generation. According to the design results of the research stage, when the Xiluodu Hydropower Station was running near the normal storage level of 600m, the backwater length of the reservoir was about 199 km,. At this time the backwater range will affect the upstream construction of Baihetan Hydropower Station. According to the hydrological data of Baihetan hydrologic station, right tail water level station and the lower derived water level station before and after the water storage in Xiluodu Hydropower Station in the dam area of Baihetan Hydropower Station, The relationship between water level and discharge of main section of Baihetan before and after water storage in Xiluodu was analyzed and studied. The results show that when the water storage of Xiluodu Hydropower Station reaches 575m, the maximum influence degree can reach 18 m. According to the operation characteristics of Xiluodu Reservoir, the affected time of Baihetan Dam area is from September to March of the following year, which plays an important role in the construction safety of Baihetan Hydropower Station.
【作者单位】：中国长江三峡集团公司;三峡水利枢纽梯级调度通信中心;
【基金】：国家重点基础研究发展计划(973计划)资助项目(2013CB036406) 国家“十二五”水专项(2014ZX07104-005)
【分类号】：TV135;TV697

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