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中、小型电站发电引水隧洞及压力管道的直径一般按经验公式或经济流速来确定。龙潭电站发电引水隧洞及压力管道较长,分段较多,且运行方式比较特殊(汛期电站只担任一小时调峰任务,枯水期担任腰荷或峰荷),若采用常规方法选择洞径,工作量大,且难以考虑各方面的因素。为了全面反映该电站各因素间的内在联系,并能迅速地找到全局最优方案,采用了系统工程方法来选择
Medium and small power station diversion tunnel and pressure pipe diameter generally empirical formula or economic flow rate to determine. Longtan hydropower station diversion tunnel and the pressure pipe is longer, more sub-sections, and the operation mode is rather special (flood season power station only for one hour peak load task, dry season as the waist load or peak load), if the conventional method to choose the diameter, work Large amount, and difficult to consider all aspects of the factors. In order to fully reflect the power plant internal factors between the various factors, and can quickly find the best global solution, the use of systems engineering methods to choose