ROTOR FOR PERMANENT MAGNET TYPE ROTARY MACHINE

In connection with a permanent magnet rotary machine comprising a rotor comprising a rotor core and a plurality of permanent magnet segments embedded in the rotor core and a stator comprising a stator core having a plurality of slots and windings therein, the rotor and the stator being disposed to d...

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Bibliographic Details
Main Authors HIROTA Koichi, NAKAMURA Hajime, MINOWA Takehisa, MIYATA Koji
Format Patent
LanguageEnglish
French
German
Published 14.12.2016
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:In connection with a permanent magnet rotary machine comprising a rotor comprising a rotor core and a plurality of permanent magnet segments embedded in the rotor core and a stator comprising a stator core having a plurality of slots and windings therein, the rotor and the stator being disposed to define a gap therebetween, or a permanent magnet rotary machine comprising a rotor comprising a rotor core and a plurality of permanent magnet segments mounted on the surface of the rotor core and a stator comprising a stator core having a plurality of slots and windings therein, the rotor and the stator being disposed to define a gap therebetween, the rotor wherein each of the permanent magnet segments is an assembly of further divided permanent magnet pieces, and the coercive force near the surface of the magnet piece is higher than that in the interior of the magnet piece.
Bibliography:Application Number: EP20090849189