A Novel Rotor Temperature Estimation Method Base on Dq-Axis Flux Linkage Observation

Yan Ling Cao; Ping Cao

doi:10.4028/www.scientific.net/AMM.723.979

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 723A Novel Rotor Temperature Estimation Method Base...

A Novel Rotor Temperature Estimation Method Base on Dq-Axis Flux Linkage Observation

Abstract:

This paper presents a method for determining the rotor temperature of an electric motor by observing the dq-axis flux linkage. A reference dq-axis flux linkage is obtained at a defined rotor temperature. The difference between calculated and reference flux in the d-axis is supposed to be caused by temperature, therefore the temperature can be back-calculated according to the permanent magnet temperature characteristic. The proposed method was confirmed to be correct and effective by the test results.

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Periodical:

Applied Mechanics and Materials (Volume 723)

Pages:

979-982

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.723.979

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Online since:

January 2015

Authors:

Yan Ling Cao*, Ping Cao

Keywords:

Flux Linkage, Motor Control, PMSM, Rotor Temperature

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* - Corresponding Author

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