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Switched reluctance motor with rotor consisting of isolated segments
Switched reluctance motor with rotor consisting of isolated segments
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机译:开关磁阻电机,转子由隔离部分组成
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摘要
A switched reluctance motor has a stator with a plurality of salient motor poles disposed about a central bore. A rotor having an even number of rotor poles is disposed for rotation in the central bore. Magnetizing phase windings are associated with the stator poles for selectively generating magnetic fields which extend from the stator poles into the central bore and define an even number of phases. The windings are disposed such that each stator pole is adjacent two phase windings of opposite polarity with the magnetic flux through each stator varying in direction with the energization of the various phases. The rotor includes a plurality of rotor segments disposed about the periphery of the rotor. Each segment is magnetically active and defines a pair of spaced rotor poles. The spacing between rotor poles for a given rotor segment is substantially the same as that between adjacent stator poles. The rotor further includes non-magnetic material disposed between the rotor segments to magnetically isolate one rotor segment from another so magnetic flux between an adjacent pair of stator poles only passes through the nearest rotor segment. The non-magnetic material provides structural integrity to the rotor and holds the rotor segments fixedly in place. IMAGE
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