高频电机

高频感应电机车牵引电网的换位敷设高频感应电机车牵引电网对相邻线路电磁影响的研究

Research for the Electromagnetic Influence of Electric Drawing Line of High Frequency Induction Electric Locomotive upon Neighbouring Line

高硅钢特别适合应用于高频高速电机、中高频变压器和电抗器等。

It is especially suitable for application in the high frequency and high speed electric machine , medium and high frequency transformer and reactor .

为研究共模电压的危害及方便分析相应的抑制策略的效果，建立了高频感应电机的共模模型，仿真和实验结果证明了模型的正确性和实用性。

To research the adverse effects of common-mode voltage and analyze the reducing effects expediently , common-mode induction motor model is founded based on analysis . Simulation and experiment results are presented to indicate the proposed model validity and practicability .

实验表明，高频步进电机法优于转镜法。

It is illustrated in experiments that the means of stepping motor is better than that of rotating mirror .

调谐机构由单片机控制的高频步进电机、衍射光栅、触发控制器组成。

Tuning mechanism consists of diffraction grating , trigger controller and high frequency stepping motor of monolithic microprocessor control .

由于电机的高速、高频，使得电机的损耗计算不同于普通的电机。

Due to high speed and high frequency , loss calculation of high-speed motor is different from the ordinary motor .

结合散射问题中的高频场与电机内的静态场实例，验证了有限公式方法的主要技术指标。

The main technology characteristic was tested in type examples , static field in electrical machine and RF wave in scattering problem .

在高频段，电机和电力线的阻抗变化影响着整个电力线载波通信的信道特性。

In the case of high frequency , the changes of impedances of the motor and the power line affect channel characteristics of the whole power line carrier communication .

分析了逆变器驱动电机系统中的共模电压、高频情况下电机内部的共模耦合通道以及共模电压在这些通道中产生的共模电流。

The common mode voltage in PWM motor drive system , common mode coupling circuits in conduction motor under high frequency and the common mode currents induced by the common mode voltage were analyzed .

PWM逆变器高频脉冲输出对电机的负面效应及其对策

Negative effects of high-frequency pulse output of the PWM inverter on motor and one way to restrain them

高频电主轴系统电机参数设计及其优化方法研究

Research about Optimization Method of Motor Parameter High Frequence Electro-spindle

电主轴关键的功能部件是高速电机的定子和转子。目前国内尚没有系统成熟的专门针对高频电主轴的电机设计方法。

Stator and rotor of high speed motor is the key component of high frequence electro-spindle .

但高速、高频和小体积电机带来损耗大、温升高、散热困难等问题。

But the high speed and high frequency bring problems such as loss , high temperature , difficult heat dissipation .

研究采用高频注入法的无传感器直接转矩控制系统，通过注入特定的高频信号来追踪电机转子的空间凸极效应，以此得到转子位置和速度值。

In the sensorless control system , a specified high frequency signal is injected in to trace the magnetic anisotropy of the motor , by which we can get the value of rotor speed and position .