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http://dx.doi.org/10.4283/JMAG.2011.16.4.391

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)
Publication Information
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.
Keywords
cross-magnetizing effect; current vector; inductance; interior permanent magnet synchronous motors; standstill; stationary frame of reference;
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