Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Thermal Analysis of a High Speed Induction Motor Considering Harmonic Loss Distribution

  • Duong, Minh-Trung (Electric Motor Research Center, Korea Electrotechnology Research Institute) ;
  • Chun, Yon-Do (Electric Motor Research Center, Korea Electrotechnology Research Institute) ;
  • Park, Byoung-Gun (Electric Motor Research Center, Korea Electrotechnology Research Institute) ;
  • Kim, Dong-Jun (Electric Motor Research Center, Korea Electrotechnology Research Institute) ;
  • Choi, Jae-Hak (Electric Motor Research Center, Korea Electrotechnology Research Institute) ;
  • Han, Pil-Wan (Electric Motor Research Center, Korea Electrotechnology Research Institute)
  • Received : 2017.03.10
  • Accepted : 2017.03.27
  • Published : 2017.07.01
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Abstract

In this paper, a thermal analysis of a high speed induction motor with a PWM voltage source was performed by considering harmonic loss components. The electromagnetic analysis of the high speed induction motor was conducted using the time-varying finite element method, and its thermal characteristics were carried out using the lump-circuit method. Harmonic losses from tests in the high frequency region were divided into core loss and conductor loss components using various ratios, in order to determine the loss distributions for the thermal analysis. The results from both the calculations and experiment were validated using a high speed induction motor prototype operating at 20,000rpm.

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