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Temperature Estimation of Stator Winding in Permanent Magnet Synchronous Motors Using d-Axis Current Injectionopen access
- Authors
- Jun, BS[Jun, Bum-Su]; Park, JS[Park, Joon Sung]; Choi, JH[Choi, Jun-Hyuk]; Lee, KD[Lee, Ki-Doek]; Won, CY[Won, Chung-Yuen]
- Issue Date
- Aug-2018
- Publisher
- MDPI
- Keywords
- permanent magnet synchronous motor (PMSM); motor parameter estimation; stator winding temperature estimation; d-axis current injection; stator winding resistance
- Citation
- ENERGIES, v.11, no.8
- Indexed
- SCIE
SCOPUS
- Journal Title
- ENERGIES
- Volume
- 11
- Number
- 8
- ISSN
- 1996-1073
- 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.
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