| 摘要 |
FIELD: electrical engineering. ^ SUBSTANCE: invention relates to electrical engineering and aims at reducing differential dissipation factor sigmad of the electric machine symmetric divided loop with m'=3-section incorporating 2p=16c poles in z=3(8b+3)c slots at b=2,3,4, with the number of the slots per a phase and pole q=z/3p=19/8, 27/8, 35/8. The winding at 2p=16c poles is made up of 2p c coil groups with the numbers from 1"" to 24""c, i.e. 1) in z=57c slots with q=19/8 and the group 32322322, i.e. in the first group 1""...8"", the three-coil groups feature the coil pitch over the slots ysi=6, 4, 2 with the number of turns (1-x)wc, wc, (1-x)wc , while the two-coil windings feature y'si=5, 3 with wc, (1+x)-wc turns at x=0.38; 2) in z=81with the slots with q=27/8 and the coil group 43433433, the first coil group 1""...8"" features the coil pitch over the slots ysi=8, 6, 4, 2 with the number of turns (1-x)wc, wc, wc, (1-x)wc, while the three-coil windings feature y'si=7, 5, 3 with wc, (1+x)wc, wc turns at x=0.38, 3) in z=105c slots with q=35/8 and the coil group 54544544, the first coil group 1""...8"" feature the five-coil windings with the coil pitch over the slots ysi=11, 9, 7, 5, 3 with (1-x)wc, wc, wc, wc, (1-x)wc turns and the four-coil windings feature y'si=10, 8, 6, 4 with wc, wc, (1+x)wc, wc at x=0.38. The aforesaid distributions of coils with unequal number of turns are repeated in every following group, where c=1, 2, 3...; 2wc is a number of slots filled completely with the winding. ^ EFFECT: reducing winding differential dissipation factor. ^ 3 cl, 10 dwg |
