PERMANENT MAGNET-TYPE MOTOR AND ELECTRIC POWER STEERING APPARATUS

To obtain a permanent magnet type motor capable of securing controllability of a motor and utilizing reluctance torque. An armature winding (12) is a plurality of sets of polyphase windings; the plurality of sets of the armature winding (12) is supplied with current from each individual inverter; th...

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Bibliographic Details
Main Authors UDO Toyoaki, IEFUJI Minako, TAKIZAWA Yuji, AKUTSU Satoru, KAWASAKI Sachiko, NAKANO Masatsugu, HIROTANI Yu
Format Patent
LanguageEnglish
French
German
Published 28.12.2016
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:To obtain a permanent magnet type motor capable of securing controllability of a motor and utilizing reluctance torque. An armature winding (12) is a plurality of sets of polyphase windings; the plurality of sets of the armature winding (12) is supplied with current from each individual inverter; the rotor core (18) is provided with permanent magnets (19) on a surface portion thereof, the permanent magnets (19) being circumferentially arranged and the adjacent permanent magnets (19) having polarities opposite to each other; a protrusion portion (46) is provided between the adjacent permanent magnets (19), the protrusion portion (46) being provided in a protruding condition from the rotor core (18) and being made of a magnetic substance; and a non-magnetic gap portion (47) is interposed between the protrusion portion (46) and the permanent magnet (19) in a rotating shaft direction.
Bibliography:Application Number: EP20130881895