SU1511815A1 - Three-phase switchable-pole winding - Google Patents

Abstract

The invention relates to electrical engineering. The purpose of the invention is to simplify the design and expand the scope by making it in the number of slots multiple of 48. The winding is made of two numbers of pole pairs, multiples of P ₁ = 2 and P ₂ = 5, contains P ₀ equal parts with the number of coils Z / P ₀ in each. Coils are combined into coil groups (CG), forming phases (F), divided into two semi-phases. The winding is equipped with leads from the beginning of Φ and the points of connection of the semi-phases. Within one part there are 24 identical CGs. Each semi-phase includes CGs with the following sequence numbers: the first semi-phase of the first F - 1.8, 11.18, the second semi-phase of the first F - 13,20,23,6, the first semi-phase of the second F - 9,16,19,2 , the second half-phase of the second Ф- 21,4,7,14, the first half-phase of the third Ф - 17.24.3.10, the second half-phase of the third Ф - 5.12,15.22. In each semi-phase, neighboring CGs are turned on. 1 il.

Description

one

(21) 4367546 / 24-07

(22) 01/25/88

(46) 09.30.89.BY. Number 36

(71) Institute of Electrodynamics, Academy of Sciences of the Ukrainian SSR and Special Design and Technology Bureau of the Institute of Electrodynamics, Academy of Sciences of the Ukrainian SSR

(72) I.I. Krashtan

(53) 621.323.333.2,045.58 (088.8)

(56) USSR Author's Certificate No. 1003258, class, H 02 K 17/14, 1983.

USSR author's certificate No. 1267541, cl. H 02 K 17/14, 1986.

(54) THREE-PHONE 3111TH FOUR-SWITCHED WINDING

(57) The invention relates to electrical engineering. The purpose of the invention is to simplify the design and expansion

 field of application by making it in the number of slots, a multiple of 48. The winding is made for two numbers of pairs of polyuts, multiples of P, 2 and, contains PQ of equal parts with the number of Z / PQ coils in each. Coils are combined into coil groups (CG), forming phases (F), divided into. two semi-phases. The winding is provided with outputs from the origin F and the points of connection of the semi-phases. Within one part there are 24 identical CGs. Each semi-phase includes CGs with the following sequence numbers: the first semi-phase of the first F - 1.8,11,18, the second semi-phase of the first F - 13,20,23,6, the first semi-phase of the second F - 9,16,19,2, the second half-phase of the second F is 21.4, 7, 14, the first half-phase of the third F is 17, 24.3.10, the second half-phase of the third F is 5.12,15.22. In each semi-phase, neighboring CGs are turned on. 1 il.

(L

The invention relates to pole-selectable windings of electric machines of alternating current and can be used in multi-speed asynchronous motors.

The purpose of the invention is to simplify the design and expand the scope by applying it in the number of slots, a multiple of 48.

The drawing shows a diagram of the winding on 4 and 10 poles, laid in 48 slots (§ 1; Z 48).

The winding contains 24 identical coil groups with numbers from 1 to 24.

B the first half-phase of the first phase, attached to the clamps JUS ,, -4С ,,,

coil groups with order numbers 1,8,11,18 are included.

In the second half-phase of the first phase, attached to the terminals 4C -10C2. coil groups numbered 13,20,23,6 included.

The first half-phase of the second phase, attached to the terminals, includes coil groups with numbers 9,16,19,2.

The second half-phase of the second phase, connected to the terminals 4С2-10С 5, includes coil groups with numbers - 21,4,7 J14.

In the first phase of the third phase connected to the terminals 10Se-4Szg

EA

00 SP

included coil groups with numbers 17,24,3,10.

In the second half-phase of the third phase, attached to the terminals. coil groups are included with numbers 5,12,15,22.

In each semi-phase, the neighboring coil groups are turned on in opposite directions. The pole switching is carried out according to the Q scheme L / YY.

When the power is connected to the terminals 1OC, 1OC, 1 OS and free terminals 4C., 4C2,4Cj, the winding creates a magnetic field with a number of poles of 10.

When connecting power to the clutches

Claims (1)

Invention Formula A three-phase pole-switched winding into two numbers of pole pairs of multiples of 5 P and P-g, containing P equal parts with the number of Z / P coils in each, wrapped into coil groups forming the phases, divided into two half-phases, provided with leads from the beginning of the phases and connection points for semi-phase, characterized in that, in order to simplify the construction and expand the scope of application by performing it in the number of 48 times, 24 identical coil groups are located within one part, with coil groups included in each semi-phase, having The following order numbers are: per4C, 4C.j} 4Сс5 closed terminals of the semi-phase of the first phase 1,8,11,18, JUS, JUS,;, -lOCj the winding creates a magneto semi-phase of the first phase - 13,20, field field with number of poles, paBiaiM- 4. Other phase matching schemes are possible. 25 , 23.6, the first half-phase of the second phase - 9,16,19,2, the second half-phase of the second phase - 21,4,7, J4, the first half-phase of the third phase - 17,24,3, O, the second half-phase of the third phase - 5 , 12,15,22, and in the semi-phase cantina the neighboring 1-band groups are included in the counter where Pt 2, PI 5 are the numbers of pairs of winding poles; P is the number of identical parts of the winding; Z - number of coils, a multiple of 48. The winding is less laborious to manufacture, as it contains a smaller number of coil groups (24 compared to 48 in the known). . In addition, the winding is feasible in the number of slots that are a multiple of 48, which extends its area of application. DL, 4. D, J  toe, Invention Formula Three-phase pole-switched winding into two numbers of pole pairs of multiples P and P-g, containing P equal parts with the number of Z / P coils in each, wrapped into coil groups forming the phases divided into two half-phases, provided with leads from the beginning of the phases and connection points for semi-phase, characterized in that, in order to simplify the construction and expand the scope of application by performing it in the number of 48 times, 24 identical coil groups are located within one part, with coil groups included in each semi-phase, having e It should be serial numbers: the first semi-phase 1,8,11,18 first phase, the second semi-phase of the first phase - 13.20, 23.6, the first half-phase of the second phase - 9,16,19,2, the second half-phase of the second phase - 21,4,7, J4, the first half-phase of the third phase - 17,24,3, O, the second half-phase of the third phase - 5, 12,15,22, moreover, in the semi-phase cantina, the neighboring 1-stick groups are included in the counter where Pt 2, PI 5 are the numbers of pairs of winding poles; P is the number of identical parts of the winding; Z - number of coils, a multiple of 48. rs go l fg