| 摘要 |
FIELD: electric machinery industry. ^ SUBSTANCE: three-phase double-layered electric machine winding in z=132.c slots with 2=26.± poles with number of slots per pole and phase q=z/3p=44/13 is composed of 3.± coil groups with numbers from 1G to 39G.± and coil grouping as 4343343433433 sequence repeated 3.c times: In the first 1G...13G grouping four-coil groups have slot pitches of ysi=8, 6, 4, 2 with turn numbers of (l-x)wK, wK, wK, (I-x)wK, and three-coil groups have 'si=7, 5, 3 with wK, (l+x) wK, wK turns at = 0.38, where ±=1, 2, 3...; 2wK is the number of those slots that are completely filled with winding. This distribution of coils with different number of turns is repeated in every next grouping. ^ EFFECT: lowering of differential scattering factor sigmad of asymmetric m'=3-zone fractional-slot (q=44/13) lap winding of electric machinery. ^ 4 dwg |
