主要讨论了正弦波直流无刷电动机转矩纹波最小化问题。
This paper addresses the problem of torque ripple minimization in permanent magnet synchronous motors (PMSM).
建立了包括电流控制电路、功率驱动电路以及五相混合式步进电动机在内的恒频斩波恒总流驱动系统的完整的数学模型；
Mathematical model of the system, included the current control circuit, power driving circuit and five-phase hybrid stepping motor is established.
本文阐述如何使功率步进电动机中绕组的脉冲电流逼近矩形波。
How to obtain the current pulse fed to the winding of the power step motor approaching to rectangle is discussed.
本文提出了一种单片机控制的软硬件结合的正弦波细分的三相混合式步进电动机微步驱动系统。
It is presented in the paper that SIN subdivide microstep driving system with microprocessor controlled for three phase hybrid stepping motor synthesises both software and hardware.
电动机故障录波监测装置分析软件是运行人员分析处理故障的有力工具。
The analysis software of electric motor fault recorder equipment is useful tool for maintenance man to analyze and handle fault.
文中提供了电压逆变器驱动磁滞同步电动机的性能测试结果及正弦波电源驱动磁滞同步电动机的性能测试结果。
Also, in the article provides the results of hysteresis synchronous motor performance test derived by the voltage inverter and sine-wave supply.
异步电动机转子偏心会引起一系列低次数径向力波，并使噪声辐射增加。
Rotor eccentricity in asynchronous motor always arose a series of low-order radial force wave and increase noise radiation.
当加上非线性负载如调速电动机驱动器时，会影响正弦电源。电压波形畸变变成非正弦波。
When nonlinear loads, such as adjustable speed motor drives, affect a sinusoidal power source, the voltage waveform is distorted and becomes nonsinusoidal.
介绍了一种转子绕线式电动机斩波调速系统的工作原理。
Described in this article is the working principle of chopper speed control system for wound rotor motor.
该调制器硬件电路简单，软件编程方便，对直流电动机实行斩波控制取得了满意的效果。
The hardware circuit is simple, software programming is short. The satisfactory results are obtained through controlling Chopper for a DC motor.
介绍了一种五相混合式步进电动机恒频斩波恒总流驱动新技术，及新五边形绕组联接方式，并给出了样机的实验结果。
This paper presents a new driving technique of 5-phase hybrid step motors and a new pentagon connecting pattern, the experimental results are given.
文章分析了斩波串级调速电动机的机械特性及节能原理，建立了调速电动机的动态仿真模型。
In this paper, the mechanical characteristic and energy-saving principle of the chopping cascade speed regulating motor is discussed, and motor's simulation model is created.
在实际的操作过电压冲击过程中，操作冲击波在大型电动机绕组中的传播过程和操作过电压在输电线路中的传播过程非常相似。
In the process of the over-voltage surging to the motor, it transmits in the stator like transmitting in the transmitting line as a wave.
分析了小波脊线与信号瞬时频率的关系，提出了基于小波脊线的刮水器电动机机械特性测试新方法。
The relationship between wavelet ridge and instantaneous frequency is analyzed and a new method of the mechanical characteristic test of the wiper motor based on wavelet ridge algorithm is proposed.
介绍分数槽绕组在正弦波交流永磁伺服电动机中的应用及实例。
This paper introduces the application of the fractional slot winding in the ac sine wave PM servo motors as well as its prototype.
实验结果证明，系统电动机电流的谐波失真较小，直流母线电压利用率比常规的正弦波脉宽调制（SPWM）有了较大的提高，功率器件的开关损耗较小。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
相对于等宽脉宽调制PWM，正弦波脉宽调制SPWM可以有效地降低电动机的损耗和噪声。
The Sine wave Pulse Width Modulation (SPWM) is used to reduce the wastage and the noise of the motor more effectively, as comparing to the equal pulse width modulated PWM.
相对于等宽脉宽调制PWM，正弦波脉宽调制SPWM可以有效地降低电动机的损耗和噪声。
The Sine wave Pulse Width Modulation (SPWM) is used to reduce the wastage and the noise of the motor more effectively, as comparing to the equal pulse width modulated PWM.
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