ROTOR STRUCTURE FOR FAULT-TOLERANT PERMANENT MAGNET ELECTROMOTIVE MACHINE

PROBLEM TO BE SOLVED: To provide a rotor structure (24) for a permanent magnet electromotive machine (10).SOLUTION: A back-core lamination (28) is disposed around a plurality of permanent magnets (30). The back-core lamination (28) comprises a plurality of high-reluctance regions (50) arranged to at...

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Bibliographische Detailangaben
Hauptverfasser:	IMAN MOHAMED FAUZI EL REFAIE, MANOJ SHAR
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rotor structure (24) for a permanent magnet electromotive machine (10).SOLUTION: A back-core lamination (28) is disposed around a plurality of permanent magnets (30). The back-core lamination (28) comprises a plurality of high-reluctance regions (50) arranged to attenuate asynchronous magnetic flux components while avoiding synchronous magnetic flux components. The asynchronous and synchronous magnetic flux components result from spatial harmonic components of a plurality of fractional-slot concentrated windings (18) of a stator (12) of the machine.