通用高速交流集电极电机的实验研究

V. Chumak, M. Kovalenko, I. Kovalenko, I. Tkachuk
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引用次数: 0

摘要

功率从几十瓦到几百瓦的交流集电极电机广泛应用于柔性生产系统、工业机器人、自动化系统和车辆的电驱动中。最常见的是采用通用交流集电极电动机。它们被称为通用型,因为它们既可以在交流电中工作,也可以在直流电中工作。他们有能力平稳地改变驱动器的旋转速度-它的轴,它设置执行机构的运动。一个实际的方向是进行通用交流集电极电机的实验研究,它被用作手持式电动工具的驱动器。这是通过使用一个专门开发的试验台来完成的,该试验台考虑到这种电动机的操作特点。本文的目的是对一种通用交流集电极电机进行实验研究,以评估其参数和特性。为了评估这种驱动手持式电动工具的电机的参数和特性,开发了一个实验台,该实验台考虑了装置输出轴的高速旋转,并允许平稳地改变负载以获得操作特性。以世界知名制造商牧田公司的GA5030型手持式电动工具为研究对象。在结构上,驱动电机是一种串联励磁的变电压集电极。这种电动机的转速是通过改变供给电动机的电源电压来调节的。根据制定的基本电气原理图和装配图,设计了高速通用集热器试验台的结构,对各部件进行了选择,并对试验台进行了正确的组装。利用研制的台架,记录了所研究发动机P1、Ia、η、cosφ、n、M= f(P2)的工作特性。所研究的发动机符合规定的特性。标称效率值在36%以内,功率因数cosφ≈0.98的值相当大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experimental study of a universal high-speed ac collector motor
AC collector motors with power from tens to hundreds of watts are widely used in electric drives of flexible production systems, industrial robots, automation systems and vehicles. The most common is the use of universal alternating current collector electric motors. They are called universal because they can work from both an alternating current and a direct current network. They have the ability to smoothly change the speed of rotation of the drive - its shaft, which sets the executive mechanism in motion. An actual direction is conducting experimental studies of universal alternating current collector motors, which are used as a drive for hand-held power tools. This is done through the use of a specially developed experimental stand that takes into account the peculiarities of the operation of such electric motors. The purpose of the work is an experimental study of a universal AC collector motor to evaluate its parameters and characteristics. To evaluate the parameters and characteristics of such a motor for the drive of a hand-held electric tool, an experimental stand was developed, which takes into account the high speed of rotation of the output shaft of the device and allows smoothly changing the load to obtain operating characteristics. The hand-held electric tool of the world-famous manufacturer Makita, model GA5030, is used as the research object. Structurally, the drive motor is a collector machine of variable voltage with series excitation. The speed of rotation of such motors is regulated by changing the power supply voltage supplied to the motor. The structure of the experimental stand for the study of high-speed universal collector machines was developed, all components were selected and the stand was correctly assembled, according to the developed basic electrical and assembly diagram. Using the developed stand, the operating characteristics of the engine under study P1, Ia, η, cosϕ, n, M= f(P2) were recorded. The engine under study meets the stated characteristics. The value of the nominal efficiency is within 36% with a rather large value of the power factor cosϕ≈0.98.
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