Permanent magnet machine including ferromagnetic components for external field weakening and method of constructing

Permanent magnet machine including ferromagnetic components for external field weakening and method of constructing

The permanent magnet machine includes a stator, a rotor inside the stator and a ferromagnetic component fixed axially movably to the rotor. The ferromagnetic component is configured for actuating axially toward the rotor to weaken a magnetic field of the rotor. The method of constructing a permanent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Heeke, Gregory, Uddin, Md. Wasi
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Beschreibung
Zusammenfassung:The permanent magnet machine includes a stator, a rotor inside the stator and a ferromagnetic component fixed axially movably to the rotor. The ferromagnetic component is configured for actuating axially toward the rotor to weaken a magnetic field of the rotor. The method of constructing a permanent magnet machine includes providing a stator and a rotor inside the stator; and axially movably fixing a ferromagnetic component to the rotor such that the ferromagnetic component is configured for actuating axially toward the rotor to weaken a magnetic field of the rotor.