文章在分析超磁致伸缩电动机的基础上,探讨了新型的超磁致伸缩谐波电动机的原理与特性。
This paper has discussed the principle and characteristics of the new type motor after analyzing the principle...
将谐波传动技术应用于超磁致伸缩电动机中,研制新型超磁致伸缩谐波电动机将可以有效克服这些缺陷。
It is an effective solution to overcome the deficiency mentioned above that introducing the harmonic drive technology into conventional motor driven by giant magnetostrictive material.
研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法。
In this paper, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型,推导出谐波反电势的表达式。
The magnetic network model of hybrid step motor is established according to the air gap late permeance method, and the expression of the harmonic back EMF is deduced.
在此基础上研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法,设计了步进电动机的微机控制系统。
On this base, the closed - loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed.
介绍了三相三线制混合型有源电力滤波器在变频调速电动机谐波治理和无功补偿方面的运行情况。
The operating status of three-phase three-wire HAPF(Hybrid Active Power Filter) in harmonic suppression and reactive power compensation for variable-frequency motor are introduced.
从介绍谐波对电动机发热的影响出发,分析了相应的微机保护算法及有关问题。
Proceeding from the effect of harmonic wave on the heating of electric motors , the author analyses the corresponding microcomputer protection algorithm and some relevant questions.
本文首先建立变频电动机的数学模型,对逆变器供电时的谐波进行了分析。
In this paper, firstly the mathematic model for variable frequency motor is developed, and harmonic wave is analyzed when variable frequency motor is fed by inversion.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型,推导出谐波反电动势的表达式。
In this paper, the magnetic network model of hybrid step motor is established according to the air gap rate permeance method, and the expression of the harmonic back EMF is deduced.
本文论述在电压谐波影响下,变压器、感应电动机及其他电气设备的性能。
The paper describes performance of transformers, induction machines and others under the effect of voltage harmonics.
研究了五相混合式步进电动机在振荡状态下的谐波电磁转矩。
The harmonic electromagnetic torque of 5 phase hybrid stepping motors during oscillatory operation is investigated.
分析了谐波反电势信号的构成,设计了相应的位置信号检测电路及步进电动机的微机控制系统。
The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
本文论述了现代凸极变频同步电动机的优势和变频电源谐波的影响。
This paper describes modern transducer-fed synchronous motor's advantages and influences of transducer harmonious wave. It may be useful for electrical engineer using for reference.
设计电压型PW M变频器时死区时间的设定会造成输出谐波增加、负载电动机转矩脉动,严重时甚至引起电动机震荡。
In the design of voltage PWM inverter, the existence of dead-time will arouse the in-crease of output harmonic, the pulsation of the motor torque, and even the oscillation of the motor.
探讨与分析了电网谐波磁场及谐波电流对电动机的影响与危害。
This paper discusses and analyzes on the effects and harms of the harmonic magnetic field and harmonic current on the electromotor in electric network.
三相交流自调速电动机不使用大功率电子器件,也没有外部附加的调速设备,不产生污染电网的谐波。
The three-phase AC self-regulating speed motor do not use high-power electron device, has non exterior additional speed-regulating equipment and does not bring pollution.
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.
分析了二相混合式步进电动机的谐波转矩,提出了一种采用电流前馈控制来减小谐波转矩的方法,并建立二相混合式步进电动机的模型,进行了仿真。
This paper analyzes the harmonic torque of the 2-phase hybrid stepping motor and puts forword a method of using current feedforword control to reduce the harmonic torque.
分析了二相混合式步进电动机的谐波转矩,提出了一种采用电流前馈控制来减小谐波转矩的方法,并建立二相混合式步进电动机的模型,进行了仿真。
This paper analyzes the harmonic torque of the 2-phase hybrid stepping motor and puts forword a method of using current feedforword control to reduce the harmonic torque.
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