Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Inductance Measurement of Interior Permanent Magnet Synchronous Motor in Stationary Frame of Reference

  • Lee, Geun-Ho (Department of Automotive Engineering, Kookmin University) ;
  • Choi, Woong-chul (Department of Automotive Engineering, Kookmin University) ;
  • Lee, Byeong-Hwa (Department of Automotive Engineering, Hanyang University) ;
  • Jung, Jae-Woo (Department of Automotive Engineering, Hanyang University) ;
  • Hong, Jung-Pyo (Department of Automotive Engineering, Hanyang University)
  • Received : 2011.07.29
  • Accepted : 2011.10.31
  • Published : 2011.12.31
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Abstract

An inductance measurement method for interior permanent magnet synchronous machine (IPMSM) is proposed in this paper. In this method, the motor is measured at standstill condition, and only a 3-phase voltage source, an oscilloscope and a DC voltage source are required. Depending on the deductive dq-axis voltage equations in the stationary frame of reference, the dq-axis inductances at different current magnitude and vector angle can be calculated by the measured 3-phase voltages and currents. And hence, the saturation and cross-magnetizing effect of the inductances are measurable. This paper introduces the principle equations, experiment setup, data processing, and results comparison on the concentrated-winding and distributed-winding IPMSMs.

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References

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