FIELD: electricity.
SUBSTANCE: rotor is connected to the stator via an elastic connecting piece. The stator bush is fastened to the rotor bushing. One of the stator bush and the rotor bush is a bush made of a material with permanent magnet properties, and the other is a bush made of non-magnetic material. The assembly to which the nonmagnetic material bush belongs comprises a pre-magnetizable element and an excitation coil. The pre-magnetized element is made of a material with the properties of a permanent magnet or a magnetizable material and is fixed relative to the sleeve of a material with permanent magnet properties. The resilient coupling is in a state of balance of forces in the event that no power is supplied to the field coil due to the presence of a pre-existing magnetic field force between the pre-magnetizable element and the core material sleeve.
EFFECT: reduced excitation current and reduced power consumption.
11 cl, 6 dwg
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Authors
Dates
2018-01-25—Published
2014-04-15—Filed