CN203289219U - Concentric different-turns low harmonic wave winding for three-phase asynchronous motor - Google Patents
Concentric different-turns low harmonic wave winding for three-phase asynchronous motor Download PDFInfo
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- CN203289219U CN203289219U CN2013203090405U CN201320309040U CN203289219U CN 203289219 U CN203289219 U CN 203289219U CN 2013203090405 U CN2013203090405 U CN 2013203090405U CN 201320309040 U CN201320309040 U CN 201320309040U CN 203289219 U CN203289219 U CN 203289219U
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- 238000004804 winding Methods 0.000 title claims abstract description 47
- 239000010410 layer Substances 0.000 claims abstract description 15
- 239000002356 single layer Substances 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011295 pitch Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
A concentric different-turns low harmonic wave winding for a three-phase asynchronous motor comprises coils wound in stator grooves. The concentric different-turns low harmonic wave winding is characterized in that the motor is provided with 42 stator grooves, 2 poles and three phases; every pole is provided with 6 coils, U1 is lead out from the first groove, U2 is lead out from the twenty-second groove, W1 is lead out from the fifteenth groove, W2 is lead out from the thirty-sixth groove, V1 is lead out from the twenty-ninth groove and V2 is lead out from the eighth groove; pitches are 1-21, 2-20, 3-19, 4-18, 5-17 and 6-16 respectively; numbers of turns are 12, 11, 10, 7, 4 and 3 respectively; the outermost ring is the single-layer winding and other grooves are the double-layer windings; the first, seventh, eighth, fourteenth, fifteenth, twenty-first, twenty-second, twenty-eighth, twenty-ninth, thirty-fifth, thirty-sixth and forty-second grooves are the single-layer grooves; other 30 grooves are the double-layer grooves; winding wiring adopts a 2-delta connection mode; and the coil adopts a parallel connection mode of 7 phi 1.32 enamelled wires. The low harmonic wave 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 motor winding field.
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, pitch is the winding of 1-15, the number of turn is every groove 14 circles, every extremely every groove number is 7, iron core is highly 215mm.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, the threephase asynchronous that reduces production costs 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 42 grooves of motor stator slot, number of poles 2 utmost points, the number of phases 3 phases, every polar curve number of turns is 6; U1 draws from the 1st groove, and U2 draws from the 22nd groove; W1 draws from the 15th groove, and W2 draws from the 36th groove; V1 draws from the 29th groove, and V2 draws from the 8th groove; Pitch is respectively 1-21,2-20,3-19,4-18,5-17,6-16, and the number of turn is respectively 12,11,10,7,4,3, and outmost turns adopts single layer winding, and all the other each grooves adopt two layer winding.Wherein the 1st, 7,8,14,15,21,22,28,29,35,36,42 grooves are the individual layer groove, and all the other 30 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 7 Φ 1.32 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 42 grooves of motor stator slot, number of poles 2 utmost points, the number of phases 3 phases, every polar curve number of turns is 6, iron core is highly 205mm; U1 draws from the 1st groove, and U2 draws from the 22nd groove; W1 draws from the 15th groove, and W2 draws from the 36th groove; V1 draws from the 29th groove, and V2 draws from the 8th groove; Pitch is respectively 1-21,2-20,3-19,4-18,5-17,6-16, and the number of turn is respectively 12,11,10,7,4,3, and outmost turns adopts single layer winding, and all the other each grooves adopt two layer winding.Wherein the 1st, 7,8,14,15,21,22,28,29,35,36,42 grooves are the individual layer groove, and all the other 30 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 7 Φ 1.32 parallel connections.
The humorous intensity of wave Wv of conventional winding is 6.19, and winding coefficient is 0.89; Be 0.04 and adopt humorous intensity of wave Wv after this scheme, winding coefficient is 0.91.Adopt the slot ripples of this new 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 28.5%, and reaches 3 grades of efficiency requirements that YX3 requires.Adopting the motor temperature of the utility model design is 71.9K, 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 circle to hang down harmonic winding with one heart, it it comprise coil, coil winding in stator slot, is characterized in that several 42 grooves of motor stator slot, number of poles 2 utmost points, the number of phases 3 phases, every polar curve number of turns is 6; U1 draws from the 1st groove, and U2 draws from the 22nd groove; W1 draws from the 15th groove, and W2 draws from the 36th groove; V1 draws from the 29th groove, and V2 draws from the 8th groove; Pitch is respectively 1-21,2-20,3-19,4-18,5-17,6-16, and the number of turn is respectively 12,11,10,7,4,3, and outmost turns adopts single layer winding, and all the other each grooves adopt two layer winding; Wherein the 1st, 7,8,14,15,21,22,28,29,35,36,42 grooves are the individual layer groove, and all the other 30 grooves are double-layer groove.
2. a threephase asynchronous according to claim 1 does not wait circle to hang down harmonic winding with one heart, it is characterized in that described winding connection adopts the connected mode of 2-△.
3. a threephase asynchronous according to claim 1 does not wait circle to hang down harmonic winding with one heart, it is characterized in that the mode of 7 Φ 1.32 parallel connections of enamelled wire employing of described coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203090405U CN203289219U (en) | 2013-05-30 | 2013-05-30 | Concentric different-turns low harmonic wave winding for three-phase asynchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203090405U CN203289219U (en) | 2013-05-30 | 2013-05-30 | Concentric different-turns low harmonic wave winding for three-phase asynchronous motor |
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| Publication Number | Publication Date |
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| CN203289219U true CN203289219U (en) | 2013-11-13 |
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| CN2013203090405U Expired - Lifetime CN203289219U (en) | 2013-05-30 | 2013-05-30 | Concentric different-turns low harmonic wave winding for three-phase asynchronous motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872870A (en) * | 2014-03-28 | 2014-06-18 | 靖江市星恒特种高速电机制造有限公司 | Three-phase asynchronous motor super efficient electromagnetic design |
-
2013
- 2013-05-30 CN CN2013203090405U patent/CN203289219U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872870A (en) * | 2014-03-28 | 2014-06-18 | 靖江市星恒特种高速电机制造有限公司 | Three-phase asynchronous motor super efficient electromagnetic design |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |