查询词典 generator set

Based on description method of damping motion in mechanical vibration, variables movement of generator are divided into two basic motion models: damping oscillation and critical damping motion. Detail methods of extracting damping parameters from simulation data is introduced to establish variable motion models. An approximate method is put forward to simulate low-frequency signal and generator response characteristic, from which motion models and damping parameters of main variables are obtained. The influences of oscillation amplitude, frequency and initial operating point of power system to the motion damping parameters are analyzed.

借鉴机械振动中阻尼运动的描述方法，将低频振荡下发电机主要变量的运动归纳为阻尼振荡和临界阻尼两种基本运动形态；介绍了从仿真数据提取阻尼参数建立参数运动模型的方法，实现对发电机振荡特性的量化分析；提出一种系统侧低频振荡信号的近似模拟方法，并应用于发电机响应仿真，获得了主要变量的运动模型和阻尼参数；分析了系统侧振荡幅度、频率以及初始工况对发电机功角振荡的影响。

The problem of finding stabilizer quantum-error-correcting codes can be transformed into the problem of finding classical self-orthogonal linear codes over the Galois field GF(4) under a Hermitian inner product. A classical cyclic code over the field GF(4) is self-orthogonal with respect to the Hermitian inner product iff the generator polynomial of its dual code is a factor of its generator polynomial.

寻找量子稳定子码的问题可以转化为寻找GF(4)上厄米内积自正交的经典线性码的问题；对于GF(4)上的经典循环码，它是厄米内积自正交的，当且仅当它的对偶码的生成多项式是其生成多项式的因子。

Installing a desiccator in hydrogen system of turbo generator has become a necessary method to reduce hydrogen humidity in generator sets.

在氢气系统中加装干燥设备已成为降低汽轮发电机组内氢气湿度的一种必要手段。

The static and dynamic characteristics of brushless DC generator and the effects of main generator circuit on exciter circuit are analyzed.

分析了无刷直流发电机的稳态及动态特性，以及主发电机整流电路对励磁电路工作特性的影响。

The design of Brushless synchronous AC generator constitute of the main generator AC excitor revolve selenium rectifier and so on.

无刷同步发电机主要由主发电机、交流励磁机、旋转整流器组成。

As a single synchronous generator's electric power becomes higher and thescale of power system becomes bigger, synchronous generator and power system hasmore demand on expeditiousness, reliability and multi function of excitation system.

随着发电机单机容量和电网规模的增大，发电机组和电力系统对励磁系统的快速性、可靠性、多功能性等方面提出了更高要求。

The heat transfer model of a high pressure generator with fire tubes developed in this paper can forecast the state of heat exchange quantitatively, offere theory gist for experiment research of fire tubegenerator, and can provide important reference for the design of fire tube generator.

本文建立的高压发生器传热模型可对火管式高压发生器的传热效果进行分析，可以为溴化锂机组火管式高压发生器的设计提供重要的参考，可以为火管式高压发生器的实验研究提供理论依据。

The three-phase full-wave rectifier charging system is composed of 3 silicon-controlled rectifiers and 3 diodes, and a variable resistor is used to adjust the trigger level such that the power factor of generator can be raised, the current harmonic content can be reduced, and the operational efficiency of generator can be improved.

本研究之整流充电系统，为利用三颗矽控整流器和三颗二极体组成的三相全波矽控整流充电系统，利用VR可变电阻调整元件来做触发机能，可使发电机端功率因素提高，降低电流谐波含量，得到稳定的直流链电压，提高发电机的运转效率。

The digital simulation can be used to obtain correct fundamental and third harmonic zero sequence voltages at the neutral and the terminal of the generator and flexiblely study the characteristics of various generator stator ground fault protection schemes.

为了研究这类方案，需正确地了解正常与故障条件下中性点与机端零序电压的分布情况。由于不可能在真机定子绕组上人为设置接地故障点，从而给继电的保护研究和调试带来了困难。

In view of universality, function generator with the core of high speed MCU uses the chips of DDS and FPGA. On the basis of generating routine sine wave, it can modulate signal frequency and range. At the same time function generator can generate binary PSK and ASK signal.

考虑到通用性，信号发生器以高速单片机为核心，利用DDS芯片和FPGA，在产生常规正弦波的基础上，还可以对信号进行频率调制和幅度调制；同时还能产生二进制PSK、ASK信号。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"