查询词典 power transmission

The paper also presents the cooperation mechanism of power supply for all nodes based on the feature of power transmission line load.

针对线路负荷特点的能源策略，提出了节点在能源利用上的协作机制。

The main body of a book have analysed a generator losing the magnetism physics process , have given a generator out the fundamental equation losing the magnetism queen; By using simulated module of electric system in Matlab/Simulink,build a single infinity system emulation model , have included module such as generator , excitation system , transformer , idle work power source , circuit loads , infinity system , transmission line; Lose magnetism condition two kinds specifically for the excitation winding loses magnetism and the part completely losing magnetism, lower emulation having carried out different working condition, have gained machine holding stater voltage , have encouraged the magnetoelectricity stream , excitation voltage and output having performed meritorious service power wave form change condition; By simulated wave form of contrast , to every electricity amounts, change law has carried out theoretical analysis.

本文分析了发电机失磁的物理过程，给出了发电机失磁后的基本方程；通过使用Matlab/Simulink中的电力系统仿真模块，建立一个单机无穷大系统仿真模型，包括了发电机、励磁系统、变压器、无功电源、线路负载、无穷大系统、输电线路等模块；针对励磁绕组完全失磁和部分失磁两种失磁情况，进行了不同工况下的仿真，获得了机端定子电压、励磁电流、励磁电压和输出有功功率波形的变化情况；通过对比仿真波形，对各电气量变化规律进行了理论分析。

The power line transmission model has been established to explain the direct sequence spread spectrum is the the best method to modulate the signal to overcome the power line's shortcomings of high reduction, high noise, high distortion, and so on and make it possible to be a workable correspondence medium.

论文建立了低压电力线的传输模型，在此基础上提出采用直接序列扩频载波通信来克服电力线作为传输介质具有的高削减、高噪声、高变形等缺点，使电力线成为一种可靠的通信媒介。

Power Factor is an important economic indicator in transmission and distribution power system.

功率因数是输配电系统的一项重要的经济指标。

Patent application have been submitted to the authorities of the state for its power output design of single engine power take-off and combined transmission gearbox, highway barrier cleaning technology and appearance of the whole vehicle.

此车的发动机单机取力加组合式变速器的动力输出型式、刷洗护拦的方式及整车外型已申请国家专利。

On December 28, 2004, thirteen faults have happened successively, a large area of ice flashover of 500 kV power system happened and seven 500 kV transmission lines tripped out due to the influence of the sleety climate in central china power grid.

2004年12日28日，由于雨雪天气影响，华中500kV电网发生大面积冰闪，先后发生13次故障，7条500kV线路相继跳闸，为华中电网历史上罕见的事故。

ABSTRACT The insecurity and instability problems will certainly cause enormous losses and catastrophic results for modern power systems featured with extra high voltage and long-distance transmission lines, large capacity generators, spaciously interconnections and huge inter-area exchanges. So, studies on the power system security and stability have been paid much more attention for a long time.

以超高压、长距离输电、大容量机组、大范围互联和大容量的区域间交换为显著特征的现代电力系统，其稳定性一旦遭受破坏，必将造成巨大的经济损失和灾难性后果，致使电力系统安全稳定问题一直是电力系统研究领域内的热点。

High voltage switchgear is one of the most important electrical power units in the power transmission and distribution system.

加热器在输配电系统中，高压开关设备是极其重要的电力设备。

A bulk power system or a composite generation and transmission system is such a power system which consists of generators, transformers, buses, circuit-breaker, protective-relaying.

组合系统涉及的设备种类较多，结构及运行方式复杂，故障模式往往是重叠的或相关的，其可靠性计算是当前电力系统可靠性研究的前沿领域。

Transmission of reactive power will load more the lines, which in tern will introduce more reactive power.

这样的无功功率传输将使输电线的无功功率负荷加重。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。