FIELD: electromechanical engineering; combined a c machines. SUBSTANCE: rotor has combined double-layer winding with pole pairs p1/p2. For pole pair p1=5 winding is of multiphase short-circuit type; for pole pair p2=2 it is three-phase winding. Three-phase winding is star- or delta-connected. Leads P1, P2, P3 are connected to slip rings. Winding has coil groups K=36 placed in Z slots. In first phase, lead P1 is series-connected to groups numbered 1, 2, 3-10, 11, 12; each of them is cumulatively connected in parallel with group shifted through K/2= 18 groups. Group numbers alternate at interval k/6= 6 for phase p2 and K/3=12 for phase P3. Minus at group number means its opposing connection in phase. Z/K=C os integer number of coils in group. Slot pitch of coils ys equals integer part of number 2Z/2pi. EFFECT: improved design. 6 dwg
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