河床式水电站水头比较低，而单机流量通常较大，这样水电站厂房的进水口、蜗壳和尾水管等尺寸较大。
In general, the head pressure of power station in river channel is lower comparatively, but the unit discharge is always greater, in this way, the dimension of the hydropower house is usually larger.
小湾水电站泄洪洞在泄洪时具有高水头、高流速、泄量大的特点，对混凝土冲刷力强，容易产生空蚀破坏。
As the high head, high velocity and large flow of flood discharge, the concrete of spillway tunnel in Xiaowan Hydropower Station is easy to be damaged by cavitation.
大流量高水头水电站泄洪消能型式的选择，是完善枢纽布置和各项功能的重要环节。
For large discharge and high head hydropower stations, the selection of energy dissipation mode is an important part for improvement of structure layout and various functions.
该机型适用于水头和负荷变化比较大的水电站。
Therefore, it is fit for a small hydro power station with low head and load.
在平原地区水利水电工程中，我国建造了一大批低水头、大流量的小型水电站。
In water conservancy and hydropower projects ot plain, the large quantities of small power station of low water head and large discharge have been built in our country.
低水头径流式水电站具有许多独特的优点。因此，它的开发已日益受到人们的重视。
Attention has been increasingly paid to the development of low-head run-of-river hydropower stations due to their unique advantages.
从对计算结果的整理分析得出了对低水头径流式水电站优化运行特有问题的一般认识。
By analyzing the results of these calculations, several basic ideas of the special problems of low-head runoff river hydroelectric plants are obtained.
溪洛渡水电站的泄洪消能具有河谷狭窄、泄洪流量大、泄洪水头高的特点。
The flood discharge and energy dissipation of Xiluodu Hydroelectric Plant are characterized with narrow valley, big flood discharge capacity and high head.
当系统受到外界微小作用，例如负荷扰动、水头波动等，都对水电站安全稳定运行带来了一定的影响。
When system suffers the action such as load fluctuation and head fluctuation, this arrangement has influence on the safety operation of system of water diversion and power generation.
高坝洲水电站由于设计水头较高，设计单位建议采用预应力钢筋混凝土蜗壳。
Due to the high water head of the GHS, the design unit put forward a suggestion of using the pre stressed reinforced concrete spiral case.
以长洲、飞来峡等水电站工程为例，对低水头河床式电站的设计进行了总结，并提出了建议。
Taking the Changzhou and Feilaixia Hydropower Stations as examples, this paper summarizes the design of hydropower station across…
在水电站制定厂内机组最优负荷分配时一般都假设水电站的水头是不变的。
In the process of making optimal load dispatch plan in hydroelectric plants, it is usually supposed that the water head of the hydroelectric plant is not changing.
巴基斯坦杜伯华水电站工程是一项高水头、长隧洞、引水式水电站工程。
Duber Khwar Hydropower Project is a diversion type power station characterized by high water head and long tunnel.
在高水头引水式水电站中，通常几台机组共用同一调压井，且共用压力主管。
Usually, in the high head hydroelectric power station where long channel has been used as a water conveyance structure one surge tank and one penstock may serve more than one machine.
结合拉西瓦水电站低水头提前发电的运行实践，分析了巨型水轮发电机组在低水头运行中的稳定性。
Research on the low-head operation stability of left-bank ALSTOM generator units of Three Gorges Hydropower Plant;
结合拉西瓦水电站低水头提前发电的运行实践，分析了巨型水轮发电机组在低水头运行中的稳定性。
Research on the low-head operation stability of left-bank ALSTOM generator units of Three Gorges Hydropower Plant;
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