ROTOR AND ROTATING ELECTRICAL MACHINE USING SAME

ROTOR AND ROTATING ELECTRICAL MACHINE USING SAME

A rotor core includes: a bypass barrier which is a nonmagnetic region provided on the q-axis; a first magnet provided in a region of the rotor core that is closer to the d-axis than the q-axis is; and a second magnet at least a portion of which is provided in a region, of the rotor core, on a radial...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KITAO, Junji, HIRAI, Yu
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Beschreibung
Zusammenfassung:A rotor core includes: a bypass barrier which is a nonmagnetic region provided on the q-axis; a first magnet provided in a region of the rotor core that is closer to the d-axis than the q-axis is; and a second magnet at least a portion of which is provided in a region, of the rotor core, on a radially inner side relative to the first magnet. The second magnet is provided in a region of the rotor core that is closer to the q-axis than the first magnet is. An end point of the second magnet that is closest to the q-axis is located on the radially inner side, in the rotor core, relative to a radially innermost surface which is a surface on a radially innermost side of the bypass barrier.