Induction machine with motor and generator operation modes

Details Induction machine with motor and generator operation modes Induction machine with motor and generator operation modes

2005-06-07

2005-06-07

Tamai, Karl (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S184000, C310S166000, C310S171000, C310S168000, C322S089000, C322S091000, C322S090000, C318S379000

Reexamination Certificate

active

06903477

ABSTRACT:
An electric machine selectively operates as a generator mode or a motor mode. The electric machine includes a stator core, a multi-phase armature winding, a field coil, a moving core having a plurality of salient poles so as to move relative to the stator core to cross the magnetic field. Field current is supplied to the field coil differently according to operation mode. A portion of the armature winding is short-circuited to form an additional magnetic field that has a phase different from the magnetic field of the field coil. Therefore, the rotary core moves relative to the stator core when the operation mode is in the motor mode.

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patent: 6653811 (2003-11-01), Branecky

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