Hybrid-energized electric machine

Details Hybrid-energized electric machine Hybrid-energized electric machine

1996-02-20

1997-09-30

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310114, 310126, 310156, 310261, 322 46, H02K 2104, H02K 2112

Patent

active

056729260

ABSTRACT:
A hybrid-energized electric machine includes a laminated stator core that has a stator winding and is arranged in a magnetic yoke, where the rotor is divided axially into two rotor halves, and each rotor half has permanent-field poles and non-energized poles arranged in succession in accordance with the pole pitch, where one rotor half is fitted with permanent magnets of one polarity (N) and the other rotor half is fitted with permanent magnets of the other polarity (S), and the permanent-field poles of both rotor halves are offset with respect to each other by one pole pitch, and said electric machine is also provided with an electric field coil designed as a ring coil. Both scattering and line losses can be reduced due to the fact that rotor halves are arranged on the rotor shaft with an axial distance between them, and field coil is inserted into the space between rotor halves.

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patent: 5285563 (1994-02-01), Nove et al.
patent: 5397975 (1995-03-01), Syverson

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