KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Stator Resistance Estimation for Winding Temperature Prediction of Permanent Magnet Synchronous Motors
Authors	강아름(Areum Kang) ; 이재석(Jae Suk Lee)
DOI	https://doi.org/10.5370/KIEE.2024.73.3.552
Page	pp.552-558
ISSN	1975-8359
Keywords	Temperature; Stator resistance; Estimation; Flux linkage observer; Phase compensation; PMSM
Abstract	In this paper, a real time stator resistance estimation algorithm, which has a proportional relationship with temperature, is implemented to predict the temperature of Permanent Magnet Synchronous Motors (PMSM). As the temperature of the motor increases, the PM flux linkage and stator resistance change and affect driving performance such as efficiency and dynamic characteristics of PMSM drives. Therefore, in order to increase the estimation accuracy of stator resistance, an algorithm is proposed in which the value of Permanent Magnet(PM) flux linkage estimated through flux linkage observer is reflected in the stator resistance estimator. In this paper, a real time stator resistance estimation algorithm for PMSM drives reflecting PM flux linkage variation is proposed and verified in simulation.

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