SU1403236A1 - Three-phase/five-phase combination electric machine winding - Google Patents

Abstract

The invention relates to windings of brushless electric machines of alternating current of the combined type with two polarized magnetic fields in a common magnetic circuit. The purpose of the invention is to expand the field of application of the winding by obtaining polarity p / p. 5/3, 5/9, 5/6, 5/12, 10/9. The winding is made of thirty evenly spaced coils and is connected in five parallel three-phase stars, the beginnings of which form three-phase clamps C ,, Cj, Cj for polarity p, and the outputs from their zero points form complementary five-phase clamps for clarity. In order to obtain p, / PJ 5.3 in each link, two coils are connected in series in the C phase, for the ncpBofi star + i. For each successive star of this phase, the numbers of the coils alternate with respect to the pre-wind of the stars with intervals in the coils, and for phases Ci and C, the numbers of the coils of stars of each subsequent phase alternate with respect to the stars of the previous phase with an interval of ten and their grooves - y, the signs “plus or“ minus mean the consonant or counter insertion of the spinner in the star, and y „C, +1, where E, is the pole division for polarity p ,. To get p, / p 5/9, y, wp;, - 1. To get p, / p 5/6 numbers -fl, -4, a, -1. In order to obtain Pi / Pa 5/12, the numbers +1, -10, and y ', g. To get p, / p, 10/9, the number -1. + 4, and UE 1 ,. 5 3. p. F-crystals, 12 il, 1 tab. (L

Description

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LTD

The invention relates to windings of alternating-current electrical machines of the combined type with two opposite-pole magnetic fields in a common magnetic core. The purpose of the invention is to expand the field of application of the winding by obtaining the p, / p 5n / 3m, 5/6, 5/9, 5/12, 10/9, 5/3 poles. FIG. 1 shows a winding circuit with PI / PI 5/3; in fig. 2 and 3 are its EMF diagrams for polarities p, 5 and p 3, respectively; in fig. 4-6 is the same, and in FIG. I-3, but for winding with 5/6; in fig. 7-9 - the same for winding with p / p 5/12; in fig. 10-12 - the same for winding with p / p: 10/9.

A: The winding (Fig. 1, 4, 7, 10) is made single-layer in 60 slots of thirty kat-I NIS (with numbers from 1 to 30) in increments of pa; deputy for „T, +1 7 for fig . 1 with p, / p 5/3, y „34.1 17 with p, / Fv 5/9, y„% - i - 1 5 for FIG. 4, Ul, + 1. 7 for FIG. y tt 3 for fig. 10. It is connected in five: parallel three-phase stars, the beginnings of which form t, 3-phase clamps C ,, Cj, Cz for polarity p ,, and the outputs from their zero points form additional t. 5-phase clamps A , B, C, D, E for polarity PJ. In each star, two coils are consecutively connected, having in the C phase, for the first star, the numbers are –f 1 and K, where the plus sign (or minus) means a coherent (or counter) star switch on the coil. For each subsequent star of phase C, the numbers of the coils alternate with respect to the previous star with an interval of six coils; for phases C, and C, the numbers of the coils of the stars of each subsequent phase alternate with respect to the previous phase from 1 interval to ten coils (see table). K values are:

р. / р., 5/3 5/9 5/6 5/12 10/9 K -16 -16 -4 -10 -4 4-4

FIG. 1, 4, 7, 10, the upper row of arrows shows the directions of the three-phase current when feeding the winding through clamps C, C, C3, and the lower row - the direction of the five-phase current when feeding the winding through clamps A, B, C, D , E. FIG. 2 and 3, 5 and 6, 8 and 9, 11 and 12 to the EMF vectors are assigned the numbers of the coils, from which it can be seen that the field with a-v I Array of p does not induce an emf on terminals A, B, C, D, E (FIG. 2, 5, 8, 11), and the field with p does not induce an emf at terminals C, C, Cj (Figs. 3, 6, 9, 12), i.e., opposite-pole winding terminals are electromagnetically independent and, therefore, equalizing currents in it do not flow.

The winding coefficients for the poles p. And PJ are listed in the table.

The proposed winding is symmetric for each pole, has

high winding ratios. Compared with the known winding, it has extended pole pair numbers. The winding can be used, for example, in single-machine frequency converters of asynchronous, asynchronous-synchronous and synchronous types, in contactless combined dual-power machines, as well as in other electromagnetic devices with two polarized magnetic fields, combined in a common magnetic core.

Claims (6)

Invention Formula 5 1- Electromachine three-phase-typhase-combined winding with polarity Р | / Р, made of thirty evenly displaced coils and connected in five parallel three-phase stars, the beginnings of which form three-phase clamps C, C, Cj for polarity p, and conclusions from their zero points form additional five-phase clamps for polarity p, characterized in that, in order to expand the field of application by obtaining a pole of 5n / 3m, where pit is the multiplicity of the numbers of pairs of poles p, and p .; in each star of phase C (, two coils are connected in series, and for each subsequent star of this phase the numbers of the coils alternate with respect to the previous star with an interval of six coils, and for phases C and Cj the numbers of the coils of stars of each subsequent phase alternate with the stars of the previous phase with an interval of ten cutters. 2. Winding according to claim 1, characterized in that, in order to obtain the polarity p / p 5/9, the groove step is equal to y, where NE, is the pole division for the polarity p ,; the numbers of coils included in phase C for the first star are +1, -16. 0 3. Winding according to claim I, characterized in that, in order to obtain the polarity p, / p 5/6, y, -1, the numbers of the coils included in phase C for the first star are +1, -4. 4. The winding according to claim 1, wherein 5, in order to obtain the polarity p, 1p  5/12, at „f, + l, the numbers of coils included in phase C, for the first star: +1, - 10. 5. The winding of claim 1, wherein that, in order to obtain the polarity p, / Pr 0 10/9, y „{,, number of coils included in phase C for the first star: -f 1, +4. 6. The winding according to claim 1, characterized in that, in order to obtain the polarity pjp 5/3, y, i + l, the numbers of the coils included in phase C, for the first star: +, -16, where the sign "- or “+ means consonant or counter insertion of coils in a star. five five 30 I 2 S 4 5-5 75 I You it i2 iS i i5 i6 17 18 9 202, 2 ..: .. I JU I /. 3 h j j,: l l f H InnW Pp I  ,,,, J i ZZrfrii lH-fe- i.  i. ± zb  . . Vi i / rj 2 one FIG. 2 rS. I m 5; 6 7 iO //.: / J / / / 7 / g /, / -22524 -,, tfftffllfMltff ff b LYLP j j i I I; II  ;   M .. h -: f | f  i -; 5 - ;; sN . .. D / - -4.-Wff,:. Fig.Z P, 6 I / 5 Ci 29 5 30 1 2 S 4 56 7 8 9 Yu ff 12 12 1 f5 6 17 18 19 20 2i 22 23 24 2526 2728 29 G / Cj Cz A C E B D FIG. 7 C2.  / 7 -2 FIG. eight -26 Phag.b I g , / 2 -eight 9 Cl C2 Cs ACE Fig.Yu In s Fig.P