CN203289220U - Concentric different-turns winding for three-phase asynchronous motor - Google Patents
Concentric different-turns winding for three-phase asynchronous motor Download PDFInfo
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- CN203289220U CN203289220U CN2013203107887U CN201320310788U CN203289220U CN 203289220 U CN203289220 U CN 203289220U CN 2013203107887 U CN2013203107887 U CN 2013203107887U CN 201320310788 U CN201320310788 U CN 201320310788U CN 203289220 U CN203289220 U CN 203289220U
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Abstract
A concentric different-turns winding for a three-phase asynchronous motor comprises coils wound in stator grooves and is characterized in that the motor is provided with 36 stator grooves, 2 poles and 3 phases; every pole is provided with 5 coils, U1 is led out from the first groove, U2 is led out from the nineteenth groove, W1 is led out from the thirteenth groove, W2 is led out from the thirty-first groove, V1 is led out from the twenty-fifth groove and V2 is led out from the seventh groove; pitches are 1-18, 2-17, 3-16, 4-15 and 5-14 respectively; turns are 17, 15, 13, 7 and 5 respectively; the outermost ring adopts the single-layer winding and other grooves adopt the double-layer windings; the first, sixth, seventh, twelfth, thirteenth, eighteenth, nineteenth, twenty-fourth, twenty-fifth, thirtieth, thirty-first and thirty-sixth grooves are the single-layer grooves and other 24 grooves are the double-layer grooves; and wiring adopts a 2-delta connection mode and enamelled wires of the coils adopt a mode of parallel connection of 5 phi-1.38 enamelled wires. The winding has the characteristics of efficient and energy-saving properties, motor efficiency raising, production cost reduction and low harmonic wave.
Description
Technical field
What the utility model related to a kind of motor winding, particularly a kind of threephase asynchronous does not wait the circle winding with one heart, belongs to electric motors.
Background technology
Existing conventional threephase asynchronous adopts winding to be generally individual layer and two layer winding, and the equal turn numbers in groove, and the winding coefficient of motor is lower, and stock utilization is not high, and during motor rotation, slot ripples is larger, and the loss of motor is increased, and affects electric efficiency.By " GB18613-2012 middle-size and small-size threephase asynchronous efficiency limit value and efficiency grade " standard, existing motor generally adopt double-layer overlapped around, double-layer overlapped around, pitch is the winding of 1-14, the number of turn is every groove 20 circles, and every extremely every groove number is 6, and iron core is highly 190mm.The motor stray loss of this kind winding mode is higher, and slot ripples intensity is larger.
Summary of the invention
The present invention will overcome above-mentioned the deficiencies in the prior art, and provide a kind of efficient, energy-conservation and can improve electric efficiency, reduce production costs, the threephase asynchronous of low harmonic wave do not wait the circle winding with one heart.
The technical solution used in the present invention is: a kind of threephase asynchronous does not wait the circle winding with one heart, and it comprises coil, coil winding in stator slot, several 36 grooves of motor stator slot, number of poles 2 utmost points, the number of phases 3 phases, every polar curve number of turns is 5; U1 draws from the 1st groove, and U2 draws from the 19th groove; W1 draws from the 13rd groove, and W2 draws from the 31st groove; V1 draws from the 25th groove, and V2 draws from the 7th groove; Pitch is respectively 1-18,2-17,3-16,4-15,5-14, and the number of turn is respectively 17,15,13,7,5, and outmost turns adopts single layer winding, and all the other each grooves adopt two layer winding; Wherein the 1st, 6,7,12,13,18,19,24,25,30,31,36 grooves are the individual layer groove, and all the other 24 grooves are double-layer groove.
Described winding connection adopts the connected mode of 2-△.
The enamelled wire of described winding coil adopts the mode of 5 Φ 1.38 parallel connections.
The invention has the beneficial effects as follows: compared with prior art, adopt the technical program that the slot ripples of motor is well controlled, harmonic wave strength decreased 70%～85%, thus improved electric efficiency.Simultaneously obtain higher winding coefficient under lower span, copper consumption is reduced greatly, copper heavily reduces by 3%～10%; This winding can be widely used in efficient three-phase asynchronous motor, permanent magnet motor stator winding.Winding described in the utility model is implemented in pump motor, show well on economize on electricity and useful life, and motor cost is low, selling price is also lower, to the user, has brought objective economic benefit.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The present invention will be described in detail below in conjunction with accompanying drawing: as shown in Figure 1, it comprises coil the utility model, and coil winding is in stator slot, and stator slot adopts the punching grooved of the standard design motor such as existing Y, Y2, YX3, adopts cold rolling 800 silicon steel sheets.Several 36 grooves of motor stator slot, number of poles 2 utmost points, the number of phases 3 phases, every polar curve number of turns is 5, iron core is highly 180mm; U1 draws from the 1st groove, and U2 draws from the 19th groove; W1 draws from the 13rd groove, and W2 draws from the 31st groove; V1 draws from the 25th groove, and V2 draws from the 7th groove; Pitch is respectively 1-18,2-17,3-16,4-15,5-14, and the number of turn is respectively 17,15,13,7,5, and outmost turns adopts single layer winding, and all the other each grooves adopt two layer winding; Wherein the 1st, 6,7,12,13,18,19,24,25,30,31,36 grooves are the individual layer groove, and all the other 24 grooves are double-layer groove.
Described winding connection adopts the connected mode of 2-△.
The enamelled wire of described winding coil adopts the mode of 5 Φ 1.38 parallel connections.
The humorous intensity of wave Wv of conventional winding is 13.02, and winding coefficient is 0.867; Be 0.096 and adopt humorous intensity of wave Wv after this scheme, winding coefficient is 0.915.Adopt the slot ripples of the utility model winding scheme rear motor obviously to reduce, be conducive to the reduction of stray loss of motor, thereby improve electric efficiency, higher winding coefficient has guaranteed the motor material utilance simultaneously.
Adopt every test data and the standard value contrast of the motor of the utility model winding, see the following form:
Test data and standard value contrast
The stray loss that can find out model machine from above contrast is all lower than the Y2 of standard and YX3 motor, and the winding mode that Y2 and YX3 motor adopt be all double-layer overlapped around.Model machine adopts and does not wait with one heart circle rule mode, result of the test to show that it is very obvious that the slot ripples reduction reduces stray loss of motor.
The material that the motor of employing the utility model winding needs and standard value contrast, see the following form:
The materials'use contrast of material and conventional Y2, YX3 motor
Can find out from above contrast, the material cost input ratio YX3 motor of model machine reduces by 11.62%, and reaches 3 grades of efficiency requirements that YX3 requires.Adopting the motor temperature of the utility model design is 73.6K, meets the requirement of class of insulation F level design of electrical motor.Simultaneously,, because the motor slot ripples is well controlled, make the operation of motor more steady, the noise of motor is relatively low.
Claims (3)
1. a threephase asynchronous does not wait the circle winding with one heart, and it comprises coil, and coil winding in stator slot, is characterized in that several 36 grooves of motor stator slot, number of poles 2 utmost points, and the number of phases 3 phases, every polar curve number of turns is 5; U1 draws from the 1st groove, and U2 draws from the 19th groove; W1 draws from the 13rd groove, and W2 draws from the 31st groove; V1 draws from the 25th groove, and V2 draws from the 7th groove; Pitch is respectively 1-18,2-17,3-16,4-15,5-14, and the number of turn is respectively 17,15,13,7,5, and outmost turns adopts single layer winding, and all the other each grooves adopt two layer winding; Wherein the 1st, 6,7,12,13,18,19,24,25,30,31,36 grooves are the individual layer groove, and all the other 24 grooves are double-layer groove.
2. threephase asynchronous according to claim 1 does not wait the circle winding with one heart, it is characterized in that described winding connection adopts the connected mode of 2-△.
3. threephase asynchronous according to claim 1 does not wait the circle winding with one heart, it is characterized in that the mode of 5 Φ 1.38 parallel connections of enamelled wire employing of described winding coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203107887U CN203289220U (en) | 2013-05-30 | 2013-05-30 | Concentric different-turns winding for three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203107887U CN203289220U (en) | 2013-05-30 | 2013-05-30 | Concentric different-turns winding for three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289220U true CN203289220U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203107887U Expired - Lifetime CN203289220U (en) | 2013-05-30 | 2013-05-30 | Concentric different-turns winding for three-phase asynchronous motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286258A (en) * | 2018-11-30 | 2019-01-29 | 武汉若可电气有限公司 | A kind of alternating-current brushless double feedback electric engine wound rotor winding and preparation method thereof |
| CN112366912A (en) * | 2020-10-19 | 2021-02-12 | 江苏大学 | Double-winding low-harmonic design method based on fractional-slot concentrated winding permanent magnet motor |
| CN117791991A (en) * | 2024-02-26 | 2024-03-29 | 山西电机制造有限公司 | Automatic winding and embedding process for single-layer winding of motor |
-
2013
- 2013-05-30 CN CN2013203107887U patent/CN203289220U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286258A (en) * | 2018-11-30 | 2019-01-29 | 武汉若可电气有限公司 | A kind of alternating-current brushless double feedback electric engine wound rotor winding and preparation method thereof |
| CN112366912A (en) * | 2020-10-19 | 2021-02-12 | 江苏大学 | Double-winding low-harmonic design method based on fractional-slot concentrated winding permanent magnet motor |
| CN117791991A (en) * | 2024-02-26 | 2024-03-29 | 山西电机制造有限公司 | Automatic winding and embedding process for single-layer winding of motor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
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| CX01 | Expiry of patent term |