Analysis of inverter-fed high speed induction motor considering skew factor and crosspath resistance between adjacent rotor bars for wide speed range

IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting Pub Date : 1996-10-06 DOI:10.1109/IAS.1996.557100

K. Matsuse, N. Kaneko, T. Yoshida

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引用次数: 3

Abstract

The purpose of this work is to analyze and find out the effects of crosspath resistance between adjacent rotor bars, skew factor and skin effects on the rotor slot design of inverter-fed high speed cage induction motor driving for wide speed range. The performance of the induction motor drives for various values of crosspath resistance, and skew factor with the trapezoidal rotor bar is discussed on the basis of theoretical and simulation results of a 2.2 kW 500 Hz 15000 rpm three phase induction motor taking into account the skin effect of the rotor and the space harmonics. It is also shown that the equivalent rotor resistance and leakage reactance change with crosspath resistance between adjacent rotor bars, the harmonics, and the skew factor for various values of the fundamental supply frequency. In the paper, we also discuss the rotor slot-shape of the trapezoidal rotor slot for good efficiency and torque performance of the inverter-fed high speed cage induction motor for wide speed range.

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宽转速范围下考虑倾斜因素和相邻转子棒间交叉电阻的变频高速感应电动机分析

本工作的目的是分析和找出相邻转子棒间的交叉路径电阻、偏斜因子和趋肤效应对宽调速范围逆变式高速笼型异步电动机转子槽设计的影响。基于2.2 kW 500hz 15000rpm三相异步电动机的理论和仿真结果，考虑转子的集肤效应和空间谐波，讨论了梯形转子棒对不同交叉路径电阻值和倾斜因子的驱动性能。计算结果还表明，等效转子电阻和漏抗随相邻转子棒间的交路电阻、谐波和不同基频值的偏斜因数而变化。本文还讨论了在宽调速范围内，采用梯形转子槽的转子槽形，使逆变式高速笼型异步电动机具有良好的效率和转矩性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting

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