查询词典 hydropower

From a view of investigation management,this paper studies a reasonable quota of exploration quantity through an approach combining theory,practice,technology and management in water conservancy and hydropower field.

本论文从勘察管理的角度，把技术和管理、理论和实践有机结合在一起，探讨了水利水电工程勘察经济合理的勘探工作量的问题，提出了优化勘探工作量和勘探布置的方法。

To the reliability of multi synchronization points of circuitry type and unit type, this paper studies a new technique about quasi synchronization selector control based on PLC in hydropower station.

摘 要：针对多个线路型和机组型同期点并列的可靠性问题，提出并研究了一种基于PLC的水电站准同期选线控制方式。

Therefore, the embedded quasi real-time system development process established theory base for the automation system of hydropower plant.

通过探讨嵌入式厂内经济运行准实时系统的开发过程，为未来水电站自动化系统的发展奠定理论基础。

In some cases, hydropower is growing as a backup power supply for wind and solar power.

在某些地区，水电项目是作为风力发电和太阳能发电项目的后备手段。

During the big fluctuation transient condition of a hydropower station operation, in order to minimizing the water pressure and the hydraulic units' run-speed rising, optimizing the wicket gate closing law is one of the most economic way to solve the station operation security problem during the process of big fluctuation transient.

水电站运行的大波动过渡过程中，为了最大限度地减少水压上升值与转速上升值，通过导叶关闭规律来解决大波动过渡过程中水电站的运行安全问题是最经济的有效措施之一。

At present, most hydropower plants close the wicket gate by using the closing law with two or three slopes. In fact, as the unit capacity goes up and the turbine working range of water head be even wider than before, so that the fixed closing law with two or three slopes can't control the unit stability effectively when the big fluctuation transient comes op.

目前，普遍采用导叶两段或三段关闭规律，实践表明，随着水轮发电机组容量的增大和水轮机工作水头范围的增大，这种固定的两段或三段导叶关闭方式不能有效地控制机组在大波动水力过渡过程中的稳定性。

To complete the 220 kV line design and below the total length of over 3,000 km (including re-ice line about 300 km), 220 kV substation and the total capacity of 1.2 million kVA which Wushan Chengguan 110 (35) kV substation project, Yue Fu Chi-Beach - Chengguan 110 kV lines and other projects designed by the application of the technology industry in Sichuan Hydropower 1998 Good Design Award. 1995 commitment to "small rural electrification in Sichuan Province typical design of the substation" assessment by experts. 2000 commitment to the "small rural power grids of the typical design of unmanned substation", the expert assessment by the province and issued.

完成的220kV及以下线路设计总长度3000多公里（其中重冰区线路约300公里），220kV及以下变电所总容量120万千伏安；其中巫山城关110（35）kV变电所工程、岳池富流滩—城关110kV线路等工程的技施设计获四川省水电行业1998年优秀设计奖。1995年承担&四川省农村电气化小型化变电站典型设计&专家评审通过。2000年承担的&农网小型化无人值班变电站典型设计&，专家评审通过并在全省发行。

With development of the hydro-electrical in china, the scale of the hydropower station is becoming bigger and bigger, at the same time the hydro-electric generating set also trends large-scale, high-capacity and high-parameter. At this point the vibration problems of hydro-electric generating set has become more prominent, it requires not only found them and solve them in the course of the operation, but also avoid them in the design process.

随着我国水电事业的快速发展，水电站的规模越来越大，同时水轮发电机组也向着高水头、大容量、高参数的方向发展，此时机组的振动问题也日益突出，这不仅要求在运行过程中发现问题，解决问题，更要在设计过程中杜绝问题。

As thebiggest hydropower station of two-row placed units in the world, LijiaxiaHydropower Stationinstalled capacity 1600(4×400MWof Yellow River upstreamis the chief station for hump modulation and frequency modulation in northwest area.

李家峡水电站是目前世界上最大的双排机水电站，装机1600(4×400)MW，是西北电网中的骨干调频、调峰电厂。

This method was applied in the stability analysis for the slope of the outlet of the flood discharge tunnel in the right bank of Nuozhadu Hydropower Station.

将该方法应用于糯扎渡水电站右岸泄洪洞出口边坡的稳定性分析，与极限平衡法和强度折减法作了比较。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。