By decoupling between the magnetizing current and the torque current, the vector control strategy of induction machines can achieve excellent dynamic performances.
异步电机矢量控制由于实现了励磁电流和转矩电流的解耦控制而具有优良的动态性能。
An induction coil that converts current from a battery into the high-voltage current required by spark plugs.
能够把电池转化为电源插座必须的高压电流的感应线圈。
This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.
提出了一种异步电机无速度传感器矢量控制的新方法,用瞬时无功功率和励磁电流变化来估计电机转速。
Power supply for induction heating is an equipment to heat the workpiece by whirling current and it is applied widely in industry because of its many virtues.
感应加热电源是利用电涡流对工件加热的一种装置,由于具有诸多优点而在工业中得到了广泛的应用。
As most of the power loads of the existing merchant ships are driven by the alternating current induction motors, it is necessary to study their drag torque mechanical characteristics.
现代民用船舶的大多数动力负载由交流异步电动机驱动,因此,对其负载阻力机械特性的研究很有必要。
The magnetic induction intensity distribution B is obtained by solving its magnetic vector potential A distribution of current-carrying circular circuit in anisotropic medium.
提出一种求解各向异性磁介质中电流磁场的新方法,通过求解各向异性磁介质中圆电流环的磁矢势A分布,求出其磁感应强度B分布。
The soft start-up process of electronic induction motor is studied in order to avoid the enormous impulsion to its starting stator current and torque brought by direct start.
感应电机采用传统的硬起动会给定子的转矩和电流带来较大冲击,故需研究电机的软起动过程。
This paper presents the methods of transfer function analysis and engineering design for variable frequency adjustable speed system of induction motor supplied by current source inverter.
本文提出了一种异步电动机电流型变频调速系统传递函数的分析及工程设计方法。
Of, relating to, or using an intermittent asymmetrical alternating electric current produced by an induction coil.
交变电压的改变与初级线圈及其次级线圈的匝数成正比。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
本文研究了三相感应电动机软起动器,主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角,可降低三相感应电动机定子电压,从而达到抑制起动电流冲击的目的。
The simulation model of high voltage induction motors soft starting control is created by MATLAB. The soft starting control model of the current-limit start and the voltage-slope start are simulated.
利用MATLAB搭建了高压异步电动机软起动控制的仿真模型,对限流和电压斜坡软起动控制方式分别进行仿真。
By means of circuit topology theory and loop current method, simulation and calculation are performed on the 12-phase power winding of an induction generator with rectifier load system.
为了对异步发电机十二相功率绕组带整流负载系统进行仿真计算,采用了基于电路拓扑理论的回路电流法。
The current intensity of variations will produce self-induction when a closed coil moves in magnetic field. Must be attended to the contribution of the current by self-induction to total current.
闭合线圈在磁场中运动,线圈中的电流变化将产生自感,自感电流对总感应电流的贡献是不容忽视的。
The current intensity of variations will produce self-induction when a closed coil moves in magnetic field. Must be attended to the contribution of the current by self-induction to total current.
闭合线圈在磁场中运动,线圈中的电流变化将产生自感,自感电流对总感应电流的贡献是不容忽视的。
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