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Virtual Moving Air Gap For An Axial Flux Permanent Magnet Motor With Dual Stators
Virtual Moving Air Gap For An Axial Flux Permanent Magnet Motor With Dual Stators
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机译:带双定子轴向磁通永磁电动机的虚拟移动气隙
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摘要
An axial flux electric motor comprising a rotor and a first and second stator. The first and second stators have a first and second air gap located between the first and second stators and the rotor, respectively, and the second air gap is greater than the first gap. In one embodiment, the coils of the first stator and the coils of the second stator are in parallel. The motor further comprises switches which alternatingly energize the coils of the first stator and of the second stator based upon required torque and required speed of the motor. In a second embodiment, the coils of the first stator and the coils of the second stator are in series and the motor further comprises switches which selectively bypass the coils of the second stator in order to reduce the back EMF of the motor and increase the maximum speed of the motor at a given input voltage.
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