为大功率三相交流电机的无触点控制提供一种方法。
It provides a method for the untouched switch Control for three - phase alternating current motor.
全系统采用无触点控制，适应于在易燃、易爆环境中使用。
It is a contactless controlled system and suitable for use in inflammable and explosive environment.
介绍了无触点控制电路的构成和工作原理，给出了逻辑电路图和工作波形图。
The basic principle and the construction of contact-free control system are analysed, and its logic circuit and working waves are presented.
电力机车逻辑控制单元(LCU)是一种用微机和电力电子器件构成的新型无触点控制装置。
Logic control unit (LCU) for electric locomotive is a new type of contactless control equipment combining microcomputer and power electronic devices.
电力机车逻辑控制单元(LCU)是一种用微机和电力电子器件构成的新型无触点控制装置。
Logic control unit (LCU) for electric locomotive is new type of contactless control equipment combining microcomputer and power electronic devices.
结合实际情况对以PLC为内核的全数字直流调速器电能驱动，进行了起重机的工作机构和电器系统改造实现电器系统无触点控制。
The paper introduces how to design the PLC non - contact control system in rebuilding electrical system of crane, on the basis of a practical example.
温度控制采用无触点的开关控制，并实现了PID调节。
Temperature control system based on no touch switch has realized PID control.
本文介绍了一种由8031单片机控制的三参数电池检测仪。该检测仪全部采用无触点继电器和集成电路实现，具有较高的可靠性和抗干扰能力。
The three-parameter battery tester controlled by 8031 chip microcomputer was described. The tester was made of contactless electric relays and IC. Its reliability and noise immunity were high.
这种调速系统采用计算机控制，可无触点地调节转子的电阻来实现转子绕线式电动机软启动及调速。
By means of computer control, the speed control system can control the resistance of the motor without any contact, so to realize soft starting and speed control over the wound rotor motor.
提出在卷筒包装纸进退式光电定位系统中，采用无触点（全电子式）比较判别及控制电路，替代目前常用的触．点式同类电路。
It is suggested in this paper that a kind of contact-free circuit for comparison and control should substitute for the conventional contact one in the back-forth wrapper web position control system.
指命发生器及逻辑控制部件，常常是工业无触点程序控制系统(或静止开关控制系统)中的主要组成部分。
The instruction generator and logic control units are the chief components of the industrial contactless programmed control system (or static switching control systems).
主泵，泵采用液气联合驱动及无触点电气控制系统，运行平稳，换向灵敏可靠。
The host pumps auxiliary pump adopts the hydraulicandpneumatic united drive, themovement is nimble and reliable.
主泵、泵采用液气联合驱动及无触点电气控制系统，运行平稳，换向灵敏可靠。
The host pumps and the auxiliary pump adopts the hydraulic and pneumatic united drive, the movement is nimble and reliable.
可编程控制器对用户来说，是一种无触点设备，改变程序即可改变生产工艺。
Programmable controller for the user, is a non-contact equipment, the procedures can be changed to change production processes.
可编程控制器对用户来说，是一种无触点设备，改变程序即可改变生产工艺。
Programmable controller for the user, is a non-contact equipment, the procedures can be changed to change production processes.
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