三相电动机

利用交流接触器实现三相电动机缺相保护

Application of AC Contactor to Realize Phase Break Protection in Three-phase Motor

基于固态继电器的三相电动机正/反转控制系统的研究

Research on Positive or Inversion Controlling System of Three-phase Motor Based on SSR

利用PC控制的三相电动机起动电路

The Starting Circuit of Three-phase Electromotor Using PC to Control

基于电流互感器和（PIC）热敏电阻保护三相电动机的电路研究

Research on the Three - phase Asynchronous Motor Protection Circuit Consisting of Current Transformer and ( PTC ) Thermistor

泵用三相电动机永不缺相启动和运行控制电路的设计

Never to start Work Control Circuit of Three phase Motor in Pump

三相电动机绕组首末端的判别

Discernment between Heads and Ends of the Coil of a Three - Phase Motor

永不缺相启动和运行的三相电动机控制线路

Controlling Circuit of Three-phrase Motor That Would Never Start and Operate Under Missing Phrase

小型三相电动机单相运行、过载、短路保护装置

The Protection Equipment of Three-phase Mini-motor for One-phase Operation , Overload and Short Circuit

三相电动机缺相保护实用方法

Practical Phase-lacking Protection to Three-phase Motor

三相电动机的温度保护

Temperature Protection of Three-phase Motor

本文研究三相电动机节能器的电路和节能原理。

In this paper , the principle and the circuit of the power saver of the threephase induction motor are studied .

用三相电动机起动过程的仿真示例，说明系统的无功功率不足可引起电压下降现象。

The start ~ up process of a three ~ phase motor is simulated to illustrate that the inadequacy of reactive power may lead to voltage reduction in the system .

对三相电动机发生断相造成缺相运行的原因、危害进行分析，提出进行正常维护，防止电动机断相运行应注意的一些问题。

The cause and harm for out of phase running of three phase motor open phase are analyzed , and raise some questions that should be taken note of for normal service and preventing motor open phase running .

通过改变三相电动机试验机组的启动方式，解决试验机组启动与生产电力负荷之间的制约关系，达到了随时启动的效果，同时节约了电能。

Through changing the starting method of a test unit for a three-phase motor , the constraint relationship between the test unit and the production power load can be solved , thus the starting can be done at any time , and the energy can be saved .

中小型三相异步电动机的可视化CAD系统

Visual CAD System for Small & Medium 3-phase Asynchronous Motor

基于DSP的三相感应电动机转速闭环控制

Rotational Speed Closed Control of Three Phase Induction Motor with DSP

基于MATLAB三相异步电动机起动建模及仿真

Modeling and Simulation of Three-phase Asynchronous Motor Based on Matlab

PLC在三相异步电动机运行控制中的应用

Application of PLC in Control of Asynchronous Motor Operation

多媒体CAI在三相异步电动机工作原理教学中的应用

The Application of Multimedia CAI in the Teaching of the Three-Phase Asynchronous Motor

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。

PWM timing is the most advanced one among all 3-phase asynchronous motor timing methods .

对三相异步电动机的起动特性进行了分析，选用MATLAB作为仿真软件，并提出了软起动措施。

This paper analyses the start-up characteristic of three-phase asynchronous motor , using MATLAB as simulating software , propose the soft starting way .

介绍了三相异步电动机的直轴和交轴模型的建立方法，并利用MATLAB语言对两种模型进行仿真，仿真数据包括定子电流、电磁转矩以及转速。

Introduces a constituting method for A-axis and D-axis models of three-phase asynchronous motor . Simulating for those two models by MATLAB language .

Semihex~（TM）接法三相感应电动机的瞬态仿真研究

Transient Analysis of Single Phase Operation of Three-Phase Induction Motors with Semihex ~ ( TM ) Connection

三相感应电动机单相Semihex~（TM）运行瞬态过程仿真

Simulation study on transient of three - phase induction motors with the Semihex ~ ( TM ) connection

采用PWM逆变器供电时的三相异步电动机进行样机实验，结果表明，该计算模型对PWM供电下电机铁心损耗的理论计算具有很好的工程应用价值。

Finally , two three-phase experimental induction machines fed by inverter are considered , the results prove the model is valid .

基于PIC单片机实现三相异步电动机的电子软启动器设计

Design of new electronic soft-starter three phases asynchronous motor based on PIC Singlechip microcomputer

根据三相异步电动机在αβo坐标系下的数学模型和电压型逆变器的数学模型，用MATLAB语言编写仿真程序。

This paper uses MATLAB language to work out simulation program according to mathematical model of asynchronous motor in αβ o coordinates and voltage source inverter .

三相异步电动机在S7工作制下发热情况的探讨

Discussion on Thermal State of Three Phase Induction

为了得到起动特性，建立了三相异步电动机在（d，q）静止坐标系下的动态数学模型，编制了仿真程序。

For this purpose , a dynamic mathematical model of three-phase asynchronous machine in d-q axes stationary coordinates system has been developed and the computer simulation program has been worked out .

本文建立了三相感应电动机在ABC系统的动态数学模型，并提出了考虑饱和、集肤效应等因素对电机起动性能影响的方法。

In this paper , we build a dynamic mathematic model of three-phase induction motor in A-B-C system and afford some methods which take effect to starting performance of motor concerning saturation effect , skin effect and so on .