2021
DOI: 10.1109/access.2021.3060388
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Improvement of the Constant-Power Speed Range of Surface-Permanent Magnet Machine Using Winding Switching

Abstract: In this study, a cumulative/differential winding switching method is proposed for the extended constant power operation (CPO) of a surface-permanent magnet (SPM) machine. In this method, the threephase winding of the machine is divided into two equal sub-phase sets, and field weakening is realized by switching the interconnections between the sets. The field-weakening ratio depends on the shift angle between the two sub-phase sets. Hence, it is possible to adjust this angle to obtain a constant power speed ran… Show more

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Cited by 4 publications
(1 citation statement)
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“…The PM flux level can be regulated via electrical, mechanical, or other approaches to broaden the speed range and enhance the PMSMs' flux weakening capabilities. Many hybrid excitation machines, or PM machines with electrical or mechanical variable flux techniques, have been developed during the past 15 years [8][9][10][11][12][13][14][15][16][17][18][19][20]. IPM, homopolar and bipolar embedded PM, hybrid excited, consequent pole PM, and other synchronous PM devices are all subject to the same flux control paradigm [12]- [19].…”
Section: Introductionmentioning
confidence: 99%
“…The PM flux level can be regulated via electrical, mechanical, or other approaches to broaden the speed range and enhance the PMSMs' flux weakening capabilities. Many hybrid excitation machines, or PM machines with electrical or mechanical variable flux techniques, have been developed during the past 15 years [8][9][10][11][12][13][14][15][16][17][18][19][20]. IPM, homopolar and bipolar embedded PM, hybrid excited, consequent pole PM, and other synchronous PM devices are all subject to the same flux control paradigm [12]- [19].…”
Section: Introductionmentioning
confidence: 99%