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

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 m...

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Bibliographic Details
Published in:Energies (Basel) 2018-08, Vol.11 (8), p.2033
Main Authors: Jun, Bum-Su, Park, Joon Sung, Choi, Jun-Hyuk, Lee, Ki-Doek, Won, Chung-Yuen
Format: Article
Language:English
Subjects:
Current injection
d-axis current injection
Estimating techniques
Injection
motor parameter estimation
Parameter estimation
permanent magnet synchronous motor (PMSM)
Permanent magnets
stator winding resistance
stator winding temperature estimation
Stators
Synchronous motors
Temperature
Temperature effects
Winding
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Summary: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.
ISSN:1996-1073
1996-1073
DOI:10.3390/en11082033