FIELD: electricity.
SUBSTANCE: in AC electric machine, comprising rotor and stator with winding arranged in it and made of K coils, it is suggested to install coils in stator winding so that central angle α1 between axes of cross sections of sides of each coil, determining width of coil, equals α1=(360°+60°·m)/2K; number of coils K is determined by ratio K=(1+m/6)·p, where m - number of phases, p - number of pole pairs of magnetic field, at the same time p is multiple of three for m = 2 and is multiple of two for m = 3.
EFFECT: increased torque and reduction of its pulsations, reduced losses of power in electric machine by development of magnetic flow by stator, acting at all poles of rotor with forces of one direction and having one fixed number of poles, equal to number of rotor poles.
3 cl, 4 dwg
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