Calculation of radial forces in cage induction motors at startthe effect of rotor differential

David G. Dorrell, Min-Fu Hsieh

研究成果: Article同行評審

18 引文 斯高帕斯(Scopus)

摘要

In this paper, the radial forces in an induction motor are calculated using finite element analysis. These radial forces (or unbalanced magnetic pull-UMP) are generated when the rotor is eccentric. The work illustrates the importance of higher winding harmonics and rotor differential leakage in the starting UMP. Examples of a 6 pole machine with 26 and 40 bar rotors show that increasing the bar number and air-gap length will reduce the UMP. Further studies are carried out using parameter variation and a 10-pole machine is also addressed, where experimental results exist, in order to validate the calculation.

原文English
文章編號5512995
頁(從 - 到)3029-3032
頁數4
期刊IEEE Transactions on Magnetics
46
發行號8
DOIs
出版狀態Published - 2010 一月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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