FIELD: electricity.
SUBSTANCE: asynchronous machine includes rotor and stator with core, in which slots there are active wires of double-layer wave winding with front conductors, which crossectional area at points of their connection with active wires of the above winding is at least less that the mean-slot length crossectional area of active wires made as flat rings of front jumpers; the machine is equipped with two additional flat rings with conductive circular sections matching width of the ring of front jumpers fixed axially at the rotor at butt ends with a small air gap close to rings of front jumpers.
EFFECT: reduced levels of external electromagnetic fields and increased torsion electromagnetic torque of the asynchronous machine.
1 dwg
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