SU1676007A1

SU1676007A1 - Three-phase/single-phase combined winding

Info

Publication number: SU1676007A1
Application number: SU894637362A
Authority: SU
Inventors: Александр Юрьевич Смирнов
Original assignee: Предприятие П/Я А-7755
Priority date: 1989-01-12
Filing date: 1989-01-12
Publication date: 1991-09-07

Abstract

Изобретение относитс к электромашиностроению , а именно к обмоткам электрических машин переменного тока, и может быть использовано в индукторных двигател х и генераторах с одноименно-полюсным потоком возбуждени , замыкающимс в аксиально-радиальном направлении через внешне замкнутый магнитопровод машины. Целью изобретени вл етс уменьшение потерь. Трехфазно-однофазна совмещенна обмотка содержит катушечные группы одноименных фаз двух звезд, уложенные в одни и те же пазы, катушки, выполненные с шагом у 3q, первую фазу первой звезды, образованную катушечными группами с номерами 1+6К, вторую фазу первой звезды, образованную катушечными группами с номерами 3+6К, третью фазу звезды, образованную катушечными группами с номерами 5+6К, первую фазу с номерами 4+6К, вторую фазу второй звезды, образованную катушечными группами с номерами 6+6К, третью фазу ВТОРОЙ звезды, образованную катушечными группами с номерами 2+6К, где ,1, .. , (Р-1), Р - число пар полюсов трехфазного пол , причем фазы первой звезды подключены к нулевой точке началами катушечных групп, а фазы второй звезды - концами катушечных групп. 4 ил. У ЈThe invention relates to electrical engineering, in particular to the windings of electric machines of alternating current, and can be used in inductor motors and generators with the same-pole excitation flow, closed in an axial-radial direction through an externally closed magnetic circuit of the machine. The aim of the invention is to reduce losses. Three-phase single-phase combined winding contains the coil groups of the same phases of two stars arranged in the same grooves, coils made in 3q steps, the first phase of the first star formed by the coil groups with numbers 1 + 6K, the second phase of the first star formed by the coil groups with numbers 3 + 6K, the third phase of a star formed by coil groups with numbers 5 + 6K, the first phase with numbers 4 + 6K, the second phase of a second star formed by coil groups with numbers 6 + 6K, the third phase of a second star formed by coils There are 2 + 6K groups, where, 1, .., (Р-1), Р is the number of pairs of poles of a three-phase floor, with the phases of the first star connected to the zero point by the beginnings of the coil groups, and the phases of the second star - the ends of the coil groups. 4 il. U

Description

ЧH

Фае. 2Faye. 2

5-6 1 8 9 Ю 115-6 1 8 9 Ю 11

v Ч4v P4

очoch

I-,I-,

I-II-I

Фиг.ЗFig.Z

Claims

Claim

Three-phase-single-phase combined winding with the pole of the three-phase field P, containing 6 P uniformly distributed coil groups, q identical coils in each group, connected to two parallel three-phase stars with a consonant inclusion of coil groups in the phases of each star, equipped with leads made from connection points phases and from two zero points of stars, in which the first phase of the first star is formed by coil groups with numbers 1 + 6K, the second phase of the first star is formed by coil groups with numbers 3 + 6K, the third phase behind the first star is formed by coil groups with numbers 5 + 6K, the first phase of the second star is formed by coil groups with numbers 4 + 6K, the second phase of the second star is formed by coil groups with numbers 6 + 6K, the third phase of the second star is formed by coil groups with numbers 2 + 6K , where K = 0,1, ..., (P-1), and the phases of the second star are connected to the zero point by the ends of the coil groups, characterized in that, in order to reduce losses, the winding is double-layer in 6Pq grooves, the coil groups of the same name the phases of both stars are laid in the same groove And the first phase of a star are connected to the zero point of the beginnings of the coil groups.

11 12 1 2 3 C 3-6 Ί 8 9 10 11

Fig.z

FieM