Six-phase axial flux permanent magnet motor for pumped storage
The invention discloses a six-phase axial magnetic flux permanent magnet motor for pumped storage. The six-phase axial magnetic flux permanent magnet motor comprises a first rotor, a stator and a second rotor which are coaxially installed. The stator is clamped between the first rotor and the second...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a six-phase axial magnetic flux permanent magnet motor for pumped storage. The six-phase axial magnetic flux permanent magnet motor comprises a first rotor, a stator and a second rotor which are coaxially installed. The stator is clamped between the first rotor and the second rotor, and the stator is of a magnet yoke-free structure and is composed of twelve armature teeth and twelve middle teeth. A centralized armature winding is wound across the armature teeth, and a centralized excitation winding is wound cross the middle teeth. Each rotor consists of forty rotor poles, forty aluminum-nickel-cobalt permanent magnets and forty neodymium-iron-boron permanent magnets. The motor is a six-phase motor with good fault tolerance performance and high reliability, the motor is an axial motor and small, and the power and torque density are improved; due to the arrangement form of the aluminum-nickel-cobalt permanent magnets and the neodymium-iron-boron permanent magnets, a perfect sine air-gap |
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