Abstract
In modern power setups of autonomous objects, electromechanical converters with good mass and volume performances are used. However, the problem of lowering the specific energy parameters of electric machines remains important. This article presents new technical solutions and calculation methods for unconventional energy-saving machines with improved mass and volume performances. The electromagnetic core of machines includes a stator winding with active and front conductors of rectangular cross section. The cross section of the jumpers for connections of active and front conductors is reduced. The front conductors of the stator winding do not intersect. These measures make it possible to reduce the consumption of copper, achieving a decrease of the length of the electromagnetic core while maintaining high efficiency. It has been shown that manufacturing such multilayer wavelike windings is promising. The design of the an induction motor with a stator winding of this type has been considered. The technical features in designing electrical machines with a new stator winding are discussed. A detailed end-face scheme of the stator winding and a scheme of the sequence of conductor commutation of this winding are presented. Expressions for calculating the overhang parts of the winding are given. Results of comparison new and serial motors with a power of 75 kW are given.
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