This stimulates us to research on VVVF asynchronous motors for AC driving rig.
相应地也带动了对交流传动钻机用变频调速异步电动机的研究。
Theory and practices of multiple protection for large and middle capacity asynchronous motors;
介绍了微机式高压异步电动机综合保护的原理及其装置的设计方法。
This paper addresses itself to some issues about the fault detection system of asynchronous motors.
对异步电动机故障检测若干问题做了研究。
At the same time, this paper analyzes the soft start and protection problems of asynchronous motors.
同时分析了异步电动机的软启动和保护问题。
Introduces a new energy-saver for lightly-loaded asynchronous motors, taking current as its sample signal.
现有的异步电动机轻载节能器，大多以电压电流相位差为反馈讯号。
Such machines are known as asynchronous motors, because the rotor's magnetic field never catches up with the stator's field.
这样的设备被称为异步电动机，因为转子的磁场总是滞后于定子的磁场。
The analysis on the cause and effects is made about asynchronous motors using magnetic wedge for reducing Energy loses.
分析异步电动机中采用磁性槽楔可以减少损耗的原因以及采用后的节能效果。
A new method of cascade speed regulating of asynchronous motors using full digital DC driver was introduced in this paper.
介绍了一种利用全数字直流驱动器实现异步机串级调速的方法。
Another is to examine faults of asynchronous Motors in terms of BP neural network based on Particle Swarm Optimization (PSO).
二是利用基于粒子群算法(PSO)优化的BP神经网络进行异步电机故障诊断。
The control of tractor drived by double - winding asynchronous motors hooking and pulling heavy loads is a nomal work scheme .
双绕线式异步电动机传动的牵引机挂钩牵重控制是大型火电厂卸煤系统煤车牵引的一种常见运行方式。
YD series varible pole multi-speed three-phase asynchronous motors are one of the main series products deriving from three-phase series.
YD系列变极多速三相异步电动机是三相异步电动机的主要派生系列之一。
The design and research of integrated protection device for large & medium synchronous and asynchronous motors with micro-computer is introduced.
介绍了作为大中型同步和异步电动机综合保护的微机型保护装置的设计研究情况。
Series Y3 asynchronous motors is a new series of general purpose low voltage three-phase cage motors designed with cold-rolled silicon steel sheet.
Y 3系列异步电动机是采用冷轧硅钢片作为导磁材料而设计的一般用途低压三相笼型异步电动机基本系列。
The experience in application of internal feedback cascade speed regulation technology for rotors to high voltage asynchronous motors is introduced.
介绍了设备改造方案及转子内反馈串级调速技术在高压异步电动机上的应用经验。
The utility model can be used in all squirrel cage type asynchronous motors, particularly suitable for vehicle squirrel cage type asynchronous motor.
本实用新型可在所有鼠笼式异步电动机上使用，尤其适用于机车用鼠笼式异步电动机。
Stator resistance is a significant parameter in the system of DTC; Therefore, it is important to measure the stator resistance of asynchronous motors.
在直接转矩控制中定子电阻是一个十分重要的参数，因此检测异步电机的定子电阻值是非常重要。
A new type magnetic coupling which works according to the operating principles of squirrel cage asynchronous motors can solve this problem effectively.
该文运用鼠笼式异步电动机工作原理，设计了一种新型磁力联轴器，可有效解决这个问题。
The MATLAB ENVIRONMENT IN the SVPWM SIMULINK emulation, you can achieve the 3-phase asynchronous motors, control, and can be used as a reference guide.
在MATLAB环境中SVPWM的SIMULINK仿真，可以实现对三相异步电动机的控制，可以用来作为参考借鉴。
It is more suitable for AC asynchronous motors vector to be controlled with DSP microprocessors in the light of speed and richness of peripherals devices.
采用DSP微处理器对交流异步电机矢量控制，从速度和外设的丰富程度更适合数字式电机控制。
The failure of the HV asynchronous motor is analyzed and calculation for setting-up of microcomputer protection for the HV asynchronous motors is suggested.
分析了异步电动机的故障特性，提出异步电动机使用微机保护的整定计算方法。
The approach, which takes the ratio of the stator voltage to current as the control criterion, improves the efficiency and power factor of asynchronous motors.
仿真计算及实验结果表明该控制方案可以使异步电动机在不同的负载下均呈现出较高的效率，并且兼顾提高功率因数。
A calculating method on each power losses and stators voltage and current of asynchronous motors is given, which is operated in reducing stator losses voltage.
给出了一种计算异步电动机降压运行时各损耗功率及定子电流电压的方法。
Article describes X62W common universal milling machine of asynchronous motors into easy CNC milling machine stepper motor selection methods, and to keep in mind.
介绍X62W普通万能铣床的异步电动机改造成简易的数控铣床步进电动机的选择方法以及要注意的问题。
Some suggestions on the selection of motor capacity and cooling methods, determination of synchronous and asynchronous motors, as well as insulation systems are given.
对电机容量选择、冷却方式、感应电机及同步电机型式选择、绝缘系统等提出了看法。
The high-quality permanent magnet synchronous motor can replace the prior synchronous motors or induction type asynchronous motors, and has a wide application prospect.
可替代现有的同步电动机或感应式异步电动机，应用前景广泛。
The paper put forward the Suggestions also for the handling of rotor's cage bars cracking of large and medium size asynchronous motors and the retrofitting of driven equipment.
文章还对大中型异步电动机转子笼条断裂问题的处理和被拖动设备的改造提出了建议。
Four kinds of test methods for determining stray-load loss of three-phase cage asynchronous motors were introduced, including three kinds of procedures by measuring and by assuming.
介绍了三相笼型异步电动机负载杂散损耗的四种测试方法，包括三种实测法和推荐值法。
The starting process of asynchronous motor is analyzed and the mechanism of normal asynchronous motors frequently damaged by driving heavy load starting devices is explained reasonably.
对异步电机的启动过程进行了分析，对普通异步电动机用于驱动重载启动设备而造成频繁损坏的机理进行了合理的解释。
A novelty space vector pulse width modulation (SVPWM) technique for the two-phase inverter-fed asynchronous motors system is proposed, which can be widely used in the low or middle power level field.
研究了二相逆变器-异步电动机系统的空间矢量脉宽调制(SVPWM)控制技术。
These results indicate that the proposed control scheme not only saves energy while in light running of medium-low power asynchronous motors but also decreases the surge of the electromagnetic torque.
实验结果表明本文控制方案不仅能使中小功率异步电动机轻载运行时节能，还使其电磁转矩振荡减小。
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