查询词典 exciter

The delay stability margins of two test systems at typical equilibrium point are obtained through this method. The effect of exciter parameters on delay stability margin is also discussed. Time domain simulation results and comparison with other methods show that this method is simple and effective.

利用该方法得到了测试系统的时滞稳定裕度，并且研究了励磁系统参数的变化对系统时滞稳定裕度的影响，最后通过与其他方法的比较和时域仿真验证了该方法的有效性。

This thesis calculates emphases the excitor circult of AC excitor .but the calculate of excitor circult must solve two problem: how to caculate the output AC phasic potential, phasic electric current and the capacity of AC excitor basing on the main generator direct current excitating voltage and direct current excitation current ;how to caculate the armature feedback, power factor and required ampere-turn of AC exciter.

本文重点对交流励磁机的磁路进行计算，但磁路计算先要解决两个问题：如何根据主发电机给定的直流励磁电压和直流励磁电流计算出交流励磁机的输出交流相电势，相电流及交流励磁机容量；如何计算交流励磁机的电枢反应，功率因数及其所需的安匝数。

Then introduce the principle of work and the construction characteristic. This thesis calculates emphases the excitor circult of AC excitor .but the calculate of excitor circult must solve two problem: how to caculate the output AC phasic potential, phasic electric current and the capacity of AC excitor basing on the main generator direct current excitating voltage and direct current excitation current ;how to caculate the armature feedback, power factor and required ampere-turn of AC exciter.

本文重点对交流励磁机的磁路进行计算，但磁路计算先要解决两个问题：如何根据主发电机给定的直流励磁电压和直流励磁电流计算出交流励磁机的输出交流相电势，相电流及交流励磁机容量；如何计算交流励磁机的电枢反应，功率因数及其所需的安匝数。

A macro and micro and chemical element analysis was made on fracture of ruptured coupling bolts,torsion test was performed and stress analysis and calculation were made,the results show that when the steam turbine had failure,MP-LP rotor coupling bolts and generator-exciter rotor coupling bolts failure were classified as overload shear fracture with partial deformation .

对215MW汽轮机断裂的对轮螺栓做断口宏观、微观分析，化学元素分析，扭转试验及受力分析计算，结果表明汽轮机组在事故中，中压-低压转子对轮螺栓和发电机-励磁机转子对轮螺柱的失效类型为：过载剪切断裂，同时局部挤压变形，这是由于事故过程中轴系受到冲击扭矩作用而引起的。

The radar features a liquid-cooled traveling wave tube transmitter; an exciter; a three channel microwave receiver and programmable signal and data processors.

它有一个液体制冷的行波管发射机，一个激励放大器，一个有三个频道的微波接收机和一个可编程的信号及数据处理机。

The current-linear-amplifier, self-excitation and dynamic characteristics of exciter with half-wave and full-wave rectifiers load are analysed and compared quantitatively.

定量分析并比较了零式和桥式整流励磁电路的电流线性放大器、自激及动态特性。

For the purpose of this insurance a Steam Turbine Generator shall comprise the steam turbine and generator complete including exciter and generator cooling plant but not beyond the limits of the inlet steam stop-valve generator terminals or condenser steam inlet point.

为了本保险合同目的，一个蒸汽涡轮发电机包括蒸汽涡轮机、发电机，其中发电机包含励磁机和发电机制冷设备，但该机组以蒸汽进口截止阀、发电机接线柱或蒸汽冷凝器入口点为限。

It is the gas that drives the exciter and accomplishes sympathetic vibration to make stickup layer break off then achieve the goal of clear for tramcar.

以气体自激振动原理，设计了一种激振器，利用气源驱动激振器使矿车达到共振，从而使附着在矿车底部的黏底层自行脱落，达到清车的目的。

Then we use IEEE First Benchmark system model and the 500kV system which contain 500MW and 600MW turbo-machines, as typical examples, the shaft systems without exciter in these examples are also analyzed on its impact on torsional oscillation.

首先对采用静止励磁方式的汽轮发电机轴系建模进行了说明；然后以IEEE次同步谐振标准模型和东北电网中伊敏电厂计划安装的500MW和600MW汽轮发电机组为典型算例，研究了改用静止励磁方式对轴系扭振的影响。

The paper analyzes the problems existed in the synchronous motor exciter used for main ventilator,puts forward the use of centralized control unit to assembly and transformation of the system.

分析了主通风机使用的同步电动机励磁装置存在的问题，提出了由集控单元使用于组装和改造该系统，经实际应用表明，取得了显著的经济效益和社会效益。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。