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Energies 2018, 11(8), 2033; https://doi.org/10.3390/en11082033

Temperature Estimation of Stator Winding in Permanent Magnet Synchronous Motors Using d-Axis Current Injection

1
Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Korea
2
Intelligent Mechatronics Research Center, Korea Electronics Technology Institute (KETI), Bucheon 14502, Korea
*
Author to whom correspondence should be addressed.
Received: 9 July 2018 / Revised: 30 July 2018 / Accepted: 30 July 2018 / Published: 6 August 2018
(This article belongs to the Special Issue Power Electronics 2018)
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Abstract

This paper presents a stator winding temperature detection method for permanent magnet synchronous motors (PMSMs) using a motor parameter estimation method. PMSM performance is highly dependent on the motor parameters. However, the motor parameters vary with temperature. It is difficult to measure motor parameters using a voltage equation without additional sensors. Herein, a stator winding temperature estimation method based on a d-axis current injection method is proposed. The proposed estimation method can be used to obtain stator temperatures and to achieve reliable operation. The validity of the proposed method is verified through simulations and experimental results. View Full-Text
Keywords: permanent magnet synchronous motor (PMSM); motor parameter estimation; stator winding temperature estimation; d-axis current injection; stator winding resistance permanent magnet synchronous motor (PMSM); motor parameter estimation; stator winding temperature estimation; d-axis current injection; stator winding resistance
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Jun, B.-S.; Park, J.S.; Choi, J.-H.; Lee, K.-D.; Won, C.-Y. Temperature Estimation of Stator Winding in Permanent Magnet Synchronous Motors Using d-Axis Current Injection. Energies 2018, 11, 2033.

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