| 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 furnished with (q=45/11 and q=45/13) poles. For this, the three-phase machine winding and z=135c slots feature the following, i.e. 1) at 2p=22c poles with the number of slots per a pole and phase q=z/3p=45/11 is made up of 3pc coil groups with the numbers from 1"" to 33""c and the coil group in the series 54444444444 repeated 5c times in the first group 1""...11"" wherein coils feature the pitch over the slots as follows, i.e. ysi=10, 8, 6, 4, 2 with (1-x)wc, wc, wc, wc, (1-x)wc turns in 1"", y'si=9, 7, 5, 3 with wc, (1+x)wc, wc, (1-x)wc in 6"",7"", y'si=6, 6, 6, 6 with wc, (1+x)wc, wc, (1-x)wc in 2"", 3"", 4"", 5"" and with (1-x)wc, wc, (1+x)wc, wc in 8"", 9"", 10"", 11"" at x=0.48; 2) at 2p=26c poles that feature the number of slots per a pole and phase q=z/3p=45/13 is made up of 3p c coil groups with numbers from 1 "" to 39"" c and the coils groups in the series 4343434343433 repeated 3 times in the first group 1""...13"", i.e. the coils feature the pitch over the slots ysi=8, 6, 4, 2 with (1-x)wc, wc, wc, (1-x)wc turns in 1"", 11"" and (1-x)wc, (1+x)wc, wc, (1-x)wc in 3"", 5"", 7"", 9"", y'si=7, 5, 3 with wc, (1+x)wc, wc turns at the rest groups at x=0.44. 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 coil turns filled completely with the winding. ^ EFFECT: reducing winding differential dissipation factor. ^ 2 cl, 8 dwg |
