大功率空心杯异步电机的参数计算与试验验证

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摘要空心杯异步电机虽然存在励磁电流大、功率因数低的不足,但其具有转子结构简单、可靠性高、转子无铁心、转动惯量小的突出优点,因此其在一些特殊要求的应用场合仍具有实用价值和应用前景。为了对空心怀异步电机进行性能分析和优化设计,必须能准确计算电机的参数。给出了空心杯异步电机的参数计算方法,通过解析法推导了转子阻抗的计算公式。在专门的试验电机上进行了参数测量,并将计算结果与测量结果进行了对比,此外还将负载试验测得的端口阻抗与计算参数和测量参数计算得到的端口阻抗进行了对比。对比结果证明了计算和分析的正确性。

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	倪守辉
	王善铭
	黄子果

关键词 ：空心杯, 异步电机, 参数计算, 试验

Abstract：Despite the shortcomings of low power factor and high excitation current,drag-cup induction machines have practical values and prospects in some applications with special requirements,for their outstanding advantages of simple rotor structure,high reliability,coreless rotor and low rotor inertia.In order to analyze the performance and optimize the design of the machine,it is required that the parameters of the machine should be accurately calculated.This paper presents the method for calculating the parameters of drag-cup induction machines,and derives the formula of the rotor impedance using analytical method.Parameter measurement is conducted on a special test machine,and the calculated results are compared with the measured results.In addition,the impedances of the stator terminals are calculated from the calculated parameters and the measured parameters respectively,and are compared with the directly measured impedance of the load tests.The comparison results prove the validity of the calculation and analysis.

Key words： Drag-cup induction machines parameter calculation experiment

收稿日期: 2015-04-15 出版日期: 2016-08-24

PACS:

TM315

基金资助:国家自然科学基金资助项目(51177077)。

通讯作者: 倪守辉男,1990年生,硕士研究生,研究方向为电机设计与优化和电机磁场数值计算。E-mail:nsh.dian82@163.com(通信作者)

作者简介: 王善铭男,1972年生,副教授,研究方向为特殊电机设计分析,发电机内部故障分析和电机电磁场分析。E-mail:wangsm96@mails.tsinghua.edu.cn

引用本文:

倪守辉, 王善铭, 黄子果. 大功率空心杯异步电机的参数计算与试验验证[J]. 电工技术学报, 2016, 31(15): 1-7. Ni Shouhui, Wang Shanming, Huang Ziguo. Parameter Calculation and Experimental Verification of High-Power Drag-Cup Induction Machines. Transactions of China Electrotechnical Society, 2016, 31(15): 1-7.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2016/V31/I15/1

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