机床电力拖动系统采用集成电路实现脉宽调制方式调速用IGBT管驱动电动机。
This article presents the application of IGBT-PWM regulating speed system in machine tool's electric drive.
用继电器即可；但如果需要调速，可以使用三极管，场效应管等开关元件实现PWM（脉冲宽度调制）调速。
With the relay can be; but if you need to speed, you can use the transistor, FET and other switching elements to achieve PWM (pulse width modulation) speed.
整个系统由可编程控制器、全数字式直流调速系统、芯棒断裂检测系统、管料跟踪系统等构成。
It includes programming logical controller, digital direct current adjustable rate system, steel wick sticks crackle detect system, steel pipe track system.
二极管箝位多电平变换器在控制功率的双向流动方面有优势，因而在中压变频调速领域和交流柔性供电系统中有着良好的应用前景。
Being advantageous in control of bidirectional power flow, diode-clamping multilevel converters are more and more concerned, researched and applied in medium-voltage motor driving and FACTS equipment.
此设计利用晶闸管、二极管等器件设计了一个转速、电流双闭环直流晶闸管调速系统。
The design uses thyristors, diodes and other devices designs a speed, current double-loop SCR DC converter system.
本文介绍PAM、PWM复合控制原理和按此原理研制的大功率晶体管宽调速交流调速系统。
The principle of PAM PWM compound control and the power transistor AC adjustable speed system based on that principle are presented in this paper.
通过对某种型号电动自行车调速控制器的剖析及试验，找出了原控制器使用过程中频繁烧坏功率场效应管的原因，研制出了一种改进型控制器电路，从根本上解决了原电路存在的问题。
Analysis and test of speed controller circuit of certain electric bicycle is performed to find out the reason for a frequent burn-out of power FET of the original controller during working.
本文较系统地介绍了晶体管脉冲调宽调速系统的构成及工作原理，给出了基本的设计方法。
In this paper, the construction and operating principle of the transistor speed regulation system with PWM are described. The basic design metho...
本文较系统地介绍了晶体管脉冲调宽调速系统的构成及工作原理，给出了基本的设计方法。
In this paper, the construction and operating principle of the transistor speed regulation system with PWM are described. T...
本文较系统地介绍了晶体管脉冲调宽调速系统的构成及工作原理，给出了基本的设计方法。
In this paper, the construction and operating principle of the transistor speed regulation system with PWM are describe...
通过对某种调速控制器的剖析及试验，找出了原控制器使用过程中频繁烧坏功率场效应管的原因，斫制出了一种改进型控制器电路，从根本上解决了原电路存在的问题。
Analysis and test of speed controller circuit of certain electric bicycle is performed to find out the reason for a frequent burn-out of power FET of the original controller during working.
介绍了在二极管钳位三电平逆变器异步电机调速系统中如何采用空间矢量调制与直接转矩控制相结合的控制方法。
So this paper focuses on the study of direct torque control of induction motor based on diode-clamped three-level inverter.
介绍了在二极管钳位三电平逆变器异步电机调速系统中如何采用空间矢量调制与直接转矩控制相结合的控制方法。
So this paper focuses on the study of direct torque control of induction motor based on diode-clamped three-level inverter.
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