Magnet Temperature Estimation Methodology by Using Magnet Flux Linkage Observer for Variable Leakage Flux IPMSM

This paper presents a novel methodology of magnet temperature estimation using a magnet flux linkage observer for a Variable Leakage Flux Interior Permanent Magnet Synchronous M (VLF-IPMSM), whose parameters vary depending on load current conditions. The magnet temperature estimation algorithm consi...

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Bibliographic Details
Published inIEEJ JOURNAL OF INDUSTRY APPLICATIONS Vol. 140; no. 4; p. 265
Main Authors Kato, Takashi, Sasaki, Kensuke, Diego Fernandez Laborda, Daniel Fernández Alonso, David Díaz Reigosa, 加藤 崇, 健介, 佐々木
Format Journal Article
LanguageJapanese
Published Tokyo Japan Science and Technology Agency 2020
Subjects
Algorithms
Flux
Leakage
Lookup tables
Methodology
Permanent magnets
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ISSN2187-1094
2187-1108
DOI10.1541/ieejias.140.265

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Summary:This paper presents a novel methodology of magnet temperature estimation using a magnet flux linkage observer for a Variable Leakage Flux Interior Permanent Magnet Synchronous M (VLF-IPMSM), whose parameters vary depending on load current conditions. The magnet temperature estimation algorithm consists of a Gopinath-Style flux observer, magnet flux linkage observer, and magnet temperature estimator based on the look-up table. The estimation accuracy is evaluated on d-q current plane by using both a behavior model of JMAG-RT and a control model of MATLAB Simulink. Then it is shown that the proposed methodology can be applied to a VLF-IPMSM for magnet temperature estimation.
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ISSN:2187-1094
2187-1108
DOI:10.1541/ieejias.140.265