FIELD: electric motors. SUBSTANCE: motor stator winding in built up of two three-phase windings connected, respectively, in star and in delta; winding pitch of both is shortened between 0.388 and 0.416 depending on number of stator poles; proportion of delta- and star-connected winding turns is taken as 
; starting leads of like-polarity phases of both windings are shifted in space relative to each other through 30 deg. EFFECT: improved design, facilitated manufacture. 4 cl, 2 tbl
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| 0 |
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RU2018201C1 |
