The performance and the principal parameters of chopper control equipment are given.
给出了斩波调速装置的性能和主要参数。
The circuit adopts PWM chopper control mode, power factor on the system side is close to 1.
通过采用PWM斩波控制方式，使系统侧功率因数接近于1。
This article discusses the chopper control daring the electric and brake of the direct electric automobile.
本文就直流电动汽车在电动和制动时的斩波控制进行讨论。
This paper describes in detail the research process of chopper control system for Beijing testing 1200kw electrical cars.
本文详尽地叙述了北京地铁1200千瓦斩波调速系统的研制经过。
The SVPWM method has been adopted in the PMSM speed control, also to obtain the good results in cooperation with the chopper control.
永磁同步电机变频调速采用空间电压矢量pwm方法，并与斩波器协调控制达到良好控制效果。
The fuzzy logic controller designed in this study determines the required angular used in the DC chopper control based on motor speed error and its change.
设计的模糊控制器以电机的转速偏差及转速偏差率为输入，输出量用于控制斩波调速时的导通角。
The chopper control has been widely used in the direct pull govern. Compared with the traditional way of govern, it has a good adjusting capacity, simple operation and economical.
斩波控制广泛应用于直流牵引调速，与传统的调速方法相比较，它调速性能好，操作简单，经济节能。
It is pointed out, while expounding the principle of chopper speed variation, that the value of peak current can affect the service life of components and so it is necessary to control.
文章阐述了斩波调速原理，指出峰值电流的大小会影响元器件的寿命，所以有必要对瞬时电流的大小进行控制。
Kills Osprey gunner Cps you control a chopper gunner that also drops an emergency airdrop for your team mates.
援助强袭武装直升机-控制一架武直，并且可以空投补给箱给队友。
The operation of 3 level AC chopper and 3 level matrix converters are introduced, the control method applied to 3 level matrix converter is presented.
文中详细分析了3电平交流斩波电路和3电平矩阵电路的工作原理，介绍了3电平矩阵电路所采用的控制方法。
The article mainly the speed governing technology with internal feedback high frequency chopper wave, including its working principle, function and feature, and application to Industry control.
简介几种常用电机调速方式。对应用较好的内反馈高频斩波调速技术的工作原理、功能与特点，以及在工业控制中的应用情况予以介绍。
Second, the management of power output power can be carried out by PID control mode, which is based on the error of judgment and aims at control the chopper output voltage.
采用基于误差优先判断的PID控制方式来控制斩波器输出电压，从而实现电源输出功率的控制；
Then two different method is given to analyze chopper and mathematics model is based, so double-close-loop control chart is got.
其次采用了两种不同方法对斩波串级调速系统的斩波回路进行了建模和分析，并得到斩波双闭环控制结构图；
The mode of speed control for mining tram includes three types of series resistances. Dc chopper and AC converter.
矿用电机车的速度控制方式包括串电阻式、直流斩波式和交流变频式三种。
The experimental and simulative waveforms of magnet current and DC bus current inosculate well, which indicates the validity of the proposed mathematical model of chopper and its control method.
磁体电压、磁体电流及直流母线电流仿真与实验波形吻合较好，所应用的斩波器数学模型及其控制方法能实现对超导磁体快速稳定地充、放电和续流。
Different tracking approaches are applied at different operating points and the duty cycle of DC chopper is directly controlled to achieve the optimum control results.
在不同的光伏电池运行点采用不同的跟踪方法，通过直接控制直流斩波器开关占空比以达到快速准确的功率跟踪效果。
A 2.5 KHZ SCR chopper, with the output current controlled continuously from 60a to 250a, and its grid-control device has been designed and built.
设计并研制出了工作频率为2.5千赫，输出电流从60到250安连续可调的可控硅斩波器及其栅控装置。
GTO dc chopper is adopted for the main power supply while the switch mode control with derivative feedback loop is adopted for the main controller.
主电源采用GTO直流斩波器。主控采用带微分反馈环节的开关斩控模式。
Described in this article is the working principle of chopper speed control system for wound rotor motor.
介绍了一种转子绕线式电动机斩波调速系统的工作原理。
Described in this article is the working principle of chopper speed control system for wound rotor motor.
介绍了一种转子绕线式电动机斩波调速系统的工作原理。
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