Compound excitation type alternating current exciter
The utility model relates to a compound excitation type alternating current exciter, which comprises a stator pole and a rotor, wherein the rotor is arranged in the stator pole, an air gap is arranged between the rotor and the stator pole, the stator pole comprises a stator pole core, an excitation...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a compound excitation type alternating current exciter, which comprises a stator pole and a rotor, wherein the rotor is arranged in the stator pole, an air gap is arranged between the rotor and the stator pole, the stator pole comprises a stator pole core, an excitation winding and a permanent magnet, wherein the excitation winding is wound on the stator pole core, one of two magnetizing surfaces of the permanent magnet is in contact with the stator pole core, the other one magnetizing surface is in contact with the air gap, the surface of the permanent magnet contacted with the air gap is not interfered with the external circular surface of the rotor, and the directions of the magnetic field produced by the permanent magnet and the magnetic field produced by the excitation winding are consistent. Because one surface of the two magnetizing surfaces of the permanent magnet is in contact with the stator pole core, the other one magnetizing surface of the permanent magnet is contact |
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