Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1987-05-15
1988-09-27
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 67R, 310156, 310184, 310203, H02K 300
Patent
active
047744286
ABSTRACT:
A compact three-phase permanent magnet rotary machine having minimal reluctance torque and electromagnetic torque ripple, and maximum energy efficiency and starting torque per unit volume of winding, comprises an armature having 3(2n+1) ferromagnetic poles and slots and a permanent magnet assembly having 3(2n+1).+-.1 permanent magnet poles, where n is an integer of 1 or more. Each of the three phases of the winding comprises multiple coils, each wound about a respective ferromagnetic pole and occupying a pair of slots located immediately on each side of a respective pole. The coils of a particular phase are located within a sector of the circular array of ferromagnetic poles encompassing 2n+1 poles.
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Skudy R.
Synektron Corporation
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