When start up a 3-phase asynchronous motor, it is generally realized by energizing or de-energizing 2 to 3 contactors in a certain time order.
介绍三相异步电动机起动时，通常按照一定的时序接通或关断2到3台接触器来实现电动机的起动。
Compared to the testing system of conventional rotatory motor, the one of 3-phase linear induction motor (LIM) is quite different with the measuring of thrust and normal force.
相比普通旋转电机，三相直线异步电机静态测试时推力和法向力的测定比较特殊。
The A302 Manual Starter is a 3-phase manual motor starter and protector with instantaneous magnetic short circuit trip mechanism.
A302手动起动器是三相手动电动机起动器和保护装置，带有瞬间磁性短路跳闸机制。
Using the latest 3-phase AC induction motor and lithium battery tech, the NEOS provides power while being economical and green.
使用最新的三相交流异步电动机和锂电池技术，同时提供电源的近地天体是经济和绿色。
An economical and practical driver for 3-phase reaction stepping motor was designed in the paper.
针对三相反应式步进电动机设计了一种经济实用的驱动器。
PWM timing is the most advanced one among all 3-phase asynchronous motor timing methods. This article introduces the essential components of PWM control loop, and the key parts of the loop.
PWM调速是当前三相异步电动机调速中最有前途的一种方法。本文在介绍了PWM调速方法的基础上，对其中的关键环节进行了较深入的研究。
The operating mode of the 3-phase 6-state square-wave motor with wye-connected phase windings and two mosfets is analyzed.
研究和分析了两相导通三相六状态星形方波无刷直流电机的运行模式。
The variable voltage variable frequency(VVVF) control of 3-phase induction motor for driving trolleybuses is expounded.
介绍无轨电车采用变压变频控制的三相感应电动机驱动技术。
Figure 2 Three-phase brushless DC motor 3 optoelectronic devices VP1, VP2 and VP3 of the installation location of the difference between the 120 degrees, uniformly distributed in the motor end.
图2三相直流无刷电动机三只光电器件VP1、VP2和VP3的安装位臵各相差120度，均匀分布在电动机一端。
Simply introduce the structure and theory of TI, s 2000 series DSP. Design the method of PWM waves in 3-phase Brushless DC Motor.
使用TI公司的2000系列DSP芯片，并简单介绍了芯片的结构和原理，设计了应用于三相无刷直流电机的PW M波形产生方法。
A high precision computing method of equivalent circuit parameter of 3-phase induction motor is discussed in this paper.
介绍了一种运用计算机对三相感应电动机等效电路参数进行高精度计算的方法。
Finally, relative experiments of 3-phase ac motor SVPWM open-loop control are achieved using this experiment platform, the testing result of system comes to the request designed.
最后，在该实验平台上实现了三相交流电动机SVPWM算法的开环控制实验，实验结果表明系统达到了设计要求。
Finally, relative experiments of 3-phase ac motor SVPWM open-loop control are achieved using this experiment platform, the testing result of system comes to the request designed.
最后，在该实验平台上实现了三相交流电动机SVPWM算法的开环控制实验，实验结果表明系统达到了设计要求。
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