查询词典 power transmission

The end face harmonic gear drive of oscillating teeth is a new type of transmission drive;it can be applied in the reducers where large speed ratio and high power is needed.

活齿端面谐波齿轮传动是一种新型的传动方式，可以应用于大传动比、大功率的减速器中。

Finally, several suggestions to improve the power frequency electric field beneath transmission lines are put forward.

最后，提出改善线路下方工频电场的措施。

Stability of resonator with thermal lensing inside is discussed by optical transmission matrix. The fluctuation range of thermal focal distance affects the laser power and the beam quality.

运用光学传输矩阵的分析方法对内含热透镜元件谐振腔的稳定性进行了分析，讨论了热焦距的波动性对激光输出功率和光束质量的影响，提出了固体激光器谐振腔设计的基本原则。

By using time and frequency information at the same time, the fractional Fourier method could lower transmission power.

该方法同时融合了信号在时域和频域的信息，并可以进一步降低发射功率。

In this paper the basic structure and working principle of VFT are presented and a mathematical model of VFT is built, and the functional relation between the transmission power and driving torque of VFT are derived. On this basis, the control strategy and the thinking of its simulation are proposed.

文章简要介绍了VFT的基本结构和工作原理，建立了VFT的数学模型，推导了VFT传输功率与驱动转矩之间的函数关系，在此基础上提出了VFT的控制策略和数字仿真思路。

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From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. Under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. Furthermore, a generalized compensation method for zero sequence current is developed.

从输电损耗最小的角度出发，提出了任意相无中性线或有中性线系统的瞬时无功功率理论，在新的理论下，每个量都有清晰的物理意义，且能分解出零序电流的有功分量和无功分量，并给出了通用的零序电流补偿方法，揭示了瞬时无功功率理论与传统平均意义下的无功功率理论的联系及本质区别，从而为研究HVDC-VSC及各种FACTS装置的无功功率控制奠定了理论基础。

The product is mainly used to transmit the power and data in the transmission and transformation line of wind generating system.

风力发电机专用电缆主要用于风力发电系统输配电线路中进行电能传输和数据传输。

Transmission line loadings may be affected directly by the power input to the line from connected generating units or changes in parallel paths that may be changed by placing other lines into or removing them from service.

输电线路的负荷可直接受到来自所联接发电机组功率输入的影响，或受到并联运行线路变化的影响，这种变化可以是其它并联线路的投入或退出。

The high-voltage transmission was need for the case electrical power is to be provided at considerable distance from a generating station.

这种限制是由于换向器必须纠正内部产生交流电压，从而使大型直流发电机不可行的。

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。