System and method for protecting magnetic elements from demagnetization

System and method for protecting magnetic elements from demagnetization

In accordance with one embodiment, the present technique provides a magnetic assembly (20) for an electrical machine having a rotor core (18). The magnetic assembly includes a magnetic element (40) having a top surface (52), a bottom surface and at least one side surface (44) located between the top...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: JANSEN PATRICK LEE,CARL RALPH JAMES JR.,QU RONGHAI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Beschreibung
Zusammenfassung:In accordance with one embodiment, the present technique provides a magnetic assembly (20) for an electrical machine having a rotor core (18). The magnetic assembly includes a magnetic element (40) having a top surface (52), a bottom surface and at least one side surface (44) located between the top and bottom surfaces, wherein the bottom surface of the magnetic element is couplable to a peripheral surface of the rotor core. The magnetic assembly also includes a ferromagnetic layer disposed on the top surface of the magnetic element. The magnetic assembly further includes an electrically conductive element (42) at least partially circumscribe the at least one side surface of the magnetic element.