查询词典 hydropower station

One hydropower station is the second class hydropower station, The hydropower station adopts guide water to generate electricity, The control of dams gate is made up of the Spillway sluice, Flushing sluice, Breast wall and pump for deep well, Because the original system adopts the routine to control, Dependability is low, Do not accord with the request that the computer monitoring, So It is essential for the original control system to renew.

某电厂为二级电厂，电站采用引水发电，坝区闸门控制由溢洪闸、冲沙闸、调压井等组成，由于原系统采用常规控制，可靠性低，不满足计算机监控的要求，为此对原控制系统进行改造。

In light of the actual hydrological characteristics of a certain hydropower station, small fluctuation stability of the two kinds of tailrace layout, tailrace tunnel with sloping ceiling and tailrace surge tank, of hydropower station under extremely low head is compared and analyzed.

结合某电站的实际水文特性，比较与分析了两者在超低水头这一特殊条件下的小波动稳定性，得出变顶高尾水洞对超低水头的适应性较之尾水调压室要强的结论

With the swift development of the hydroelectric project in our country, a set of large or extraordinary hydropower stations are being designed or constructed, such as the Three Gorges hydropower station, Longtan hydropower station, Xiangjiaba hydropower station, Xiaowan hydropower station, Pengshui hydropower station etc. All these hydropower stations adopt underground workshop, and have long diversion pipe system, and have one or two surge-chambers or adopt tailrace tunnel with sloping ceiling.

随着我国水电事业的迅速发展，一批大型、特大型水电站正在设计或处于待建之中，如三峡水电站、龙滩水电站、溪洛渡水电站、向家坝水电站、小湾水电站、乌江彭水水电站等，这些电站多采用地下厂房，具有较长的引水发电系统，并且设有调压室或采用变顶高尾水洞。

The paper carried out combination calculation on two kinds unsteady flow problems of pressure water diversion of hydropower station (i.e. pressure fluctuation of water hammer and mass fluctuation of surge chamber), which changed many analytical error caused by considered these two phenomena separately, and such result meets the inherent rule of pressure water diversion system transient of hydropower station much more than before.

2实现了水电站有压引水系统中两种非恒定流问题(即水锤的压力波动和调压室的质量波动)的联合计算，改变了把这两种现象分开单独考虑所带来的分析误差，这样的计算结果更加符合水电站有压引水系统中过渡过程的内在规律。

Ma Jiquan (Administrative Bureau of Taipingyi Hydropower Station Construction)The third and the fourth diversion tunnels of Taipingyi Hydropower Station were lined by Φ9m movable full-face limns form jumbos.

Φ9m穿行式全圆衬砌模板台车在太平驿引水洞中的应用铁道部隧道工程局沈慧敏，姚一飞四川华能太平驿水电厂建设管理局马积泉太平驿水电站引水洞3号支洞下游段运用Φ9m穿行式全圆衬砌模板台车进行衬砌，实现了全圆一次灌筑成形。

Through three-dimensional numerical simulation of water field in draft tube, it can show the velocity and pressure distribution in draft tube, which is helpful to optimize parameters in designing hydropower station and draft tube. It also has important meaning for optimum design of hydropower station.

通过数值模拟方法计算尾水管内三维定常流动，可以方便地揭示尾水管内的速度和压力分布，有助于进行水电站设计优化参数的选择和改进尾水管的设计，对水电站的优化设计有着重要的意义。

By the selection of applicable algorithm module for different hydropower stations in the basin, the optimized results can be managed, analyzed and compared through the directory tree concerned, and then the soft ware feature of integrated management, micro-analysis and vertical comparison is created, which surpasses the mode of study with attention only on single power station and is an innovation in the area of study on the in-plant economic operation of hydropower station as well.

用户可以针对流域的不同电站选择合适的算法模块，通过目录树对流域各水电站的优化结果进行管理、分析和比较，从而形成统一管理、微观分析和纵向比较相结合的软件特性，打破了传统的只注重单个电站优化运行的研究模式，是厂内经济运行研究领域的一种创新。

While researching the optimal operation of hydropower station, it is essential toconsider the optimization of operating efficiency, vibration characteristics of unit andthe safety of electric power system meanwhile. The researches of optimal operation ofLijiaxia Hydropower Station of two-row placed units are as follows: 1. Summarizes the operation experience of Lijiaxia Hydropower Station in recentyears, analyses the demands to the operation of station, provides the problems existedand the research direction of optimal operation.

在电站的运行优化研究同时考虑电站的运行效率的优化、运行状态的优化和电网安全问题是必要的，针对李家峡双排机的水电站的优化运行问题开展以下几方面的研究：(1)总结近几年来李家峡电站的运行经验，分析电网对李家峡电站运行的要求，提出了运行存在的问题和优化运行的研究方向。

Research on multi-objectives optimal operation of the hydropower station with two-row placed units is studied with an example of Lijiaxia hydropower station. Stability characteristics and operation efficiency of the two-row placed units is studied by real test and analysis. Optimal operation mode is also proposed.

以李家峡双排机水电站为实例，开展双排机水电站综合优化运行研究，通过真机测试分析，得出了李家峡双排机水电站机组稳定性特征和机组效率变化规律，提出了双排机水电站优化运行模式。

The fore bay of Heihe Longhui Hydropower Station designed by the company, is the existing biggest tunnel fore bay in China, which is height of 21m, width of 16m; for the large-span dome of surge tank of Baishuijiang Shiji Hydropower Station, which is the first project equipped with rapid-drop gate in surge tank in Gansu Province, the company adopted pre-stressed anchor cable to complete the dome's excavation and supporting at the same time, thus reduced the completion period and investment; for the diversion tunnel of Fuchuan Hydropower Station, which is the biggest non-pressure diversion tunnel in Gansu Province, with span of 9m, height of 11m, the company adopted half-tunnel supporting structure, thus reduced the project investment.

黑河龙汇水电站前池是目前国内最大的洞内式前池，跨度16m、高度21m；白水江石鸡水电站调压井大跨度穹顶采用预应力锚索技术，分瓣开挖一次支护完成，节省了工期和造价，同时是省内第一座在调压井内设置快速闸门的工程；福川水电站引水隧洞是甘肃省内最大的无压引水隧洞，跨度9.0m，高度11m，采用半洞支护结构，在满足安全的前提下节省了工程投资。

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如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。