The Basic Device Configuration of Lighting and Stagecraft System for Large-Scale Studio; Research about High Power Rectifier Diagnosis System 大型综艺演播室灯光系统的主要配置大功率整流装置故障诊断系统的研究
As a kind of basic Rectifier, Current Source Rectifier can be used in all kinds of ways as Voltage Source Rectifier. 介绍了法国阿尔斯通新型整流器的原理、特点熏对新型整流器在八钢的配置和应用做了详尽阐述和分析。
The basic principle of the system lies in feeding back the output power at the motor slip rings of an AC motor into the mains through a bridge rectifier and an inverter. 其基本原理是将交流电机的滑环输出功率通过整流电桥和有源逆变器送回交流电网。
This paper describes the basic concept, analysis and measurement of the noise voltage at the output terminals of the rectifier for telecommunications and also discusses briefly about the limits value of some standard. 叙述了通信用整流器输出端杂音电压的基本概念,分析和测量方法以及限值标准,并对有关问题进行了讨论。
The basic principle of rectifier transformer is introduced briefly. The characteristics of the transformer with hexagon winding connection and the winding structure design scheme are presented. 概述了整流变压器基本原理,介绍了六边形联结绕组接线的变压器特点,及其绕组的结构设计方案。
· A depiction of the basic principle and characteristics of the four-quadrants operation of PWM rectifier according to the grid side vector relation. ·根据PWM整流器网侧矢量关系,直观地描述了其四象限运行的基本原理及特征;
This paper introduces the application of Visual Basic 6.0 in wave display of controlled rectifier circuit. 本文介绍VISUALBASIC6.0在可控整流电路波形处理方面的应用。
This paper introduces the basic principle and method of computer simulation for reactive power compensation by giving an example of simulation on DC load of thyristor rectifier device, at the same time, introduces the basic principle and formula of FC+ TCR circuit. 该文通过最基本的晶闸管整流装置控制的直流负载的仿真,来介绍仿真技术的基本原理,基本方法,同时介绍了FC+TCR电路的基本原理和公式。
According to power relationship and the demand of AC excited generation system, it put forward and designed a dual PWM converter with the capacity of energy bi-directional flow. It also analyzed the basic theory and mathematical model of three-phase voltage source PWM rectifier. 针对交流励磁发电系统对变频器的要求,设计了一种能量双向流动的双PWM变频器,满足了交流励磁发电系统励磁的需要,详细分析了三相电压型PWM整流器的基本原理和数学模型。
The basic structure, operation principle, mathematical model and universal control methods of PWM rectifier are studied in this paper. PWM整流系统是本课题研究的重点问题,本文分析了PWM整流电路的拓扑结构、工作原理及数学模型,并对当前几种常见的PWM整流控制方案进行了介绍和分析。
In this article the basic theory of PWM rectifier's vector control is analysed and the vector graph, its physical idea and vector calculation model are given. Then the control strategy of voltage and current's closed-loop adjustment is adopted. 分析了PWM整流器矢量控制的基本理论和应用前景,给出了矢量图及物理概念、矢量运算模型,采用电压和电流闭环调节控制策略。
First, based on the basic structure of a variety of traction transformer and rectifier, the widely used 24-pulse rectifier was analyzed under different load conditions. 首先在分析各种牵引变压器及整流器的基本结构的基础之上,着重分析当前应用较为广泛的24脉波整流器在不同负载情况下的导通过程及短路电流计算方法。
This paper further studies the basic principles of PWM rectifier and the way to work and establishs a mathematical model for the three phase voltage PWM rectifier, then analyzes the specific control strategy and modulation method. 本文进一步研究了PWM整流电路的基本原理与工作方式,并建立了三相电压型PWM整流电路的数学模型,分析了具体的控制策略和调制方法。
In the early multi-SCR ( SCR) phase-controlled rectifier has been replaced by the basic for the high-frequency switch rectifier. 在早期多采用可控硅(晶闸管)相控整流器,现已基本为高频开关整流器取代。
The paper analysis the basic principle of asynchronous wind turbine, establishes simulation model of wind power generation systems according to air dynamics knowledge, then designs rectifier controller and establishes corresponding simulation model, finally accesses V/ f inverter controller and researches the corresponding operation characteristic. 在分析了异步风力发电机基本原理基础上,根据空气动力学知识建立风力发电系统的仿真模型,设计整流控制器,建立相应仿真模型,并接入V/f逆变控制器,研究相应的运行特性。
And then the paper analyses basic theory of the starter/ generator of MTG, employing vector control at start-up and PWM rectifier control of voltage-oriented vector control at generating state. 然后分析了微燃机发电系统起动/发电控制的基本理论,起动运行时采用闭环矢量控制,发电运行时采用电压矢量定向的PWM整流控制。
With the emergence of the global energy crisis and the rapid development of modern power electronics, high-power converter devices 'application field is increasingly extensively. As the power electronic systems basic link, the rectifier is more widely used at present. 随着全球能源危机的出现以及现代电力电子技术的快速发展,高功率变流装置的应用领域日益广泛,作为电力电子系统基本环节的整流器更是得到了大规模地使用。