CN105375667A - Multi-voltage single-double-layer winding of dipolar single-three-phase permanent magnetic generator - Google Patents
Multi-voltage single-double-layer winding of dipolar single-three-phase permanent magnetic generator Download PDFInfo
- Publication number
- CN105375667A CN105375667A CN201510886805.5A CN201510886805A CN105375667A CN 105375667 A CN105375667 A CN 105375667A CN 201510886805 A CN201510886805 A CN 201510886805A CN 105375667 A CN105375667 A CN 105375667A
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- phase
- winding
- groove
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
Abstract
The present invention disclose one kind two it is extremely single,The multivoltage single and two layer winding of three-phase permanent magnet electricity generator,Its main feature is that be two poles in rotor permanent magnet,Number of stator slots be 30 slots generator in arrange three-phase windings,6 coils are arranged in every pole,6 coils are divided into 2 groups,Every group of 3 coils,It is connected in series for concentric coil,Belonging to A phase has bis- windings of a1x1 and x2a2,A,B,C three-phase windings structure is completely similar,Belonging to B phase has bis- windings of b1y1 and y2b2,Belonging to C phase has bis- windings of c1z1 and z2c2,120 ° of electrical angles of three-phase mutual deviation,It is three-phase symmetric winding,Do not have to layer insulation in this winding double-layer groove,Without layer insulation in all slots,Each slot inner conductor number is identical,Convenient for mechanical offline,3 times and 3 odd-multiple harmonic winding factor are zero in each winding,Phase voltage waveform aberration rate less than 5%,Parallel branch number can be 1,It may be 2,Can be with
Connection.
Description
Technical field
The present invention relates to a kind of permanent magnet generator, especially a kind of multivoltage single and two layer winding of single, three-phase permanent magnet electricity generator.
Background technology
In micro permanent magnet electricity generator, single layer winding is widely adopted.Single layer winding does not have layer insulation, and groove utilance is high, is convenient to machinery and rolls off the production line, but stator winding mostly is whole apart from winding, and electromotive force harmonic content is high, and rotorvoltage waveform aberration rate is often greater than 10%, does not meet international standard requirement.On international market, micro permanent magnet electricity generator is not only required that phase voltage waveform aberration rate is less than 5%, also requires list, three to be on good terms general, and require multiple connection, meet the requirement having multi-voltage grade.
Summary of the invention
Reach the above-mentioned requirements to micro permanent magnet electricity generator on international market, have two in technical measures, one is that the magnetic field sine that p-m rotor provides is good, the harmonic content in magnetic field is low, two is that stator winding has special structure and has multiple connection, object of the present invention does not relate to first aspect content, object of the present invention only relates to second aspect content, namely invention is a kind of single, the multivoltage single and two layer winding of three-phase permanent magnet electricity generator, and this single and two layer winding is nominal single double-deck, in fact because the conductor in double-layer groove is homophase, therefore there is no layer insulation in double-layer groove, still can roll off the production line as single layer winding one mechanical kilowatt, conductor number in the every groove of motor is equal, this winding of the present invention can be single, three-phase has the multiple connection of multi-voltage grade, harmonic winding factor is little.
The present invention is that the technical scheme adopted is as follows: the multivoltage single and two layer winding of a kind of two extremely single, three-phase permanent magnet electricity generator, is characterized in; Dipolar permanent body is built in rotor core, stator core slot number is 30 grooves, wherein arrange three-phase windings, often arrange 6 coils mutually, be divided into 2 groups, often group is 3 concentric coil series connection, A phase the 1st group is by 3 concentric coil 1-16, and 3-14,5-12 are in series, lead-out wire is drawn from the 1st groove and the 12nd groove, is labeled as a respectively
1, x
1, claim a
1x
1winding, the 2nd group is that 16-1,18-29,20-27 are in series by 3 concentric coils, and lead-out wire is drawn from the 16th groove and the 27th groove, is labeled as x respectively
2, a
2, claim x
2a
2winding; B phase the 1st group is by 3 concentric coil 11-26, and 13-24,15-22 are in series, and lead-out wire is drawn from the 11st groove and the 22nd groove, is labeled as b respectively
1, y
1, claim b
1y
1winding, the 2nd group is that 26-11,28-9,30-7 are in series by 3 concentric coils, and lead-out wire is drawn from the 26th groove and the 7th groove, is labeled as y respectively
2, b
2, claim y
2b
2winding; C phase the 1st group is by 3 concentric coil 21-6, and 23-4,25-2 are in series, and lead-out wire is drawn from the 21st groove and the 2nd groove, is labeled as c respectively
1, z
1, claim c
1z
1winding, the 2nd group is that 6-21,8-19,10-17 are in series by 3 concentric coils, and lead-out wire is drawn from the 6th groove and the 17th groove, is labeled as z respectively
2, c
2, claim z
2c
2winding; All wire gauges are identical, and have 6 coils to be n circle, n is natural number, all the other 12 each coils of coil are 2n circle, and n is natural number, double-layer groove that is the 1st, 16,11,26,6,21 groove inner wires are homophases, there is no layer insulation between bilayer, stator 30 groove inner wire numbers are all identical, for 2n, n are natural number, be convenient to machinery roll off the production line, A, B, C three-phase windings structure is completely similar, three-phase mutual deviation 120 ° of electrical degrees.
When parallel branch number of the present invention is 1, its connection can be
connection, when generator rated speed is 3000 revs/min, can provide three-phase 400V, single-phase 230V, three-phase 230V respectively, single-phase 230V frequency 50Hz alternating voltage; When parallel branch number is 2, its connection can be
connection, when generator rated speed is 3000 revs/min, can provide three-phase 200V, single-phase 115V, three-phase 115V respectively, single-phase 115V, frequency 50Hz alternating voltage; 3 times and 3 odd-multiple harmonic winding factor be zero, phase voltage waveform aberration rate is less than 5%, can bonding, the multiple connection of three-phase power supply quality.
This winding can connect by Y,
, Δ connects,
parallel branch number can be 1, and parallel branch number can be also 2, when Δ connects or Δ connects, in triangle, aspergillus ficuum exists, 3 times of this winding and the odd-multiple harmonic winding system coefficient of 3 are zero, and phase voltage waveform aberration rate is less than 5%, can meet technical requirement, reach single, three phase universal, there is above-mentioned multiple connection, the voltage request of multi-voltage grade is provided, reach the object of invention.
Accompanying drawing explanation
Fig. 1 A phase winding of the present invention layout plan.
Fig. 2 B phase winding of the present invention layout plan.
Fig. 3 C phase winding of the present invention layout plan.
4 kinds of connections of winding when Fig. 4 parallel branch number is 1.
4 kinds of connections of winding when Fig. 5 parallel branch number is 2.
Embodiment
In order to further describe the present invention, described below in conjunction with embodiment.Implement in a dipolar permanent generator, this motor 15Kw, 2 poles, 3000 revs/min, rotor is interior permanent magnets, two poles, number of stator slots 30 groove, stator winding is arranged as shown in accompanying drawing 1-4, often have 6 coils mutually, be divided into 2 groups, often group is 3 ceoncentrically wound coil series connection, A phase is arranged as shown in Figure 1, A phase the 1st group of winding a
1x
1by 3 ceoncentrically wound coil 1-16,3-14,5-12 are in series, and lead-out wire is drawn from the 1st groove and the 12nd groove, is labeled as a respectively
1, x
1, be called a
1x
1winding, the 2nd group of winding x
2a
2, be that 16-1,18-29,20-27 are in series by 3 ceoncentrically wound coils, lead-out wire is drawn from the 16th groove and the 27th groove, marks x respectively
2, a
2, be called x
2a
2winding, therefore the winding belonging to A phase has a
1x
1and x
2a
2two windings; B phase is arranged as shown in Figure 2, the 1st group of winding b
1y
1by 3 ceoncentrically wound coil 11-26,13-24,15-22 are in series, and lead-out wire is drawn from the 11st groove and the 22nd groove, is labeled as b respectively
1, y
1, be called b
1y
1winding, the 2nd group of winding y
2b
2, by 3 ceoncentrically wound coil 26-11,28-9,30-7 are in series, and lead-out wire is drawn from the 26th groove and the 7th groove, is labeled as y respectively
2, b
2, be called y
2b
2winding, therefore the winding belonging to B phase has b
1y
1and y
2b
2two windings; C phase is arranged as shown in Figure 3, the 1st group of winding c
1z
1by 3 ceoncentrically wound coil 21-6,23-4,25-2 are in series, and lead-out wire is drawn from the 21st groove and the 2nd groove, is labeled as c respectively
1, z
1, be called c
1z
1winding, the 2nd group of winding z
2c
2, by 3 ceoncentrically wound coil 6-21,8-19,10-17 are in series, and lead-out wire is drawn from the 6th groove and the 17th groove, is labeled as z respectively
2, c
2, be called z
2c
2winding, therefore the winding belonging to C phase has c
1z
1and z
2c
2two windings; All wire gauges are identical, have 6 coils and 1-16,16-1,11-26,26-11,21-6, it is 12 circles that 6-21 often encloses, and it is 24 circles that all the other 12 coils often enclose, double-layer groove that is the 1st, 16,11,26,6,21 groove inner wires are synchronous, without layer insulation, 30 groove inner wire numbers are 24 in fact, are convenient to machinery and roll off the production line; A, B, C three-phase windings structure is completely similar, three-phase mutual deviation 120 ° of electrical degrees.As shown in Figure 4, winding of the present invention can singly, three-phase has the multiple connection of multi-voltage grade, when parallel branch number is 1, has the connection of (1) (2) (3) (4) in Fig. 4, namely
connection, can provide three-phase 400V respectively, single-phase 230V, three-phase 230V, single-phase 230V alternating voltage, when parallel branch number is 2, has the connection of (5) (6) (7) (8) in Fig. 5, namely
connection, three-phase 200V can be provided respectively, single-phase 115V, three-phase 115V, single-phase 115V alternating voltage, 3 times of the present embodiment winding and the odd-multiple harmonic winding factor of 3 are zero, in delta connection, aspergillus ficuum exists, and phase voltage waveform aberration rate is less than 5%, can singly, the multiple connection of three-phase powers, meet needed for international market, reach the object of invention.Technique effect of the present invention implements in micro permanent magnet electricity generator, in all grooves, winding can roll off the production line by machinery, and the connection that simultaneously list, three-phase 8 kinds can be had different, provides three-phase 400V, 230V, the 50Hz alternating voltage of 200V, 115V electric pressure different from single-phase 230V, 115V, also can singly, three-phase hybrid power supply, phase voltage waveform aberration rate is less than 5%, meets needed for international market, reaches object of the present invention.
Claims (2)
1. a multivoltage single and two layer winding for two extremely single, three-phase permanent magnet electricity generator, is characterized in; Dipolar permanent body is built in rotor core, stator core slot number is 30 grooves, wherein arrange three-phase windings, often arrange 6 coils mutually, be divided into 2 groups, often group is 3 concentric coil series connection, A phase the 1st group is by 3 concentric coil 1-16, and 3-14,5-12 are in series, lead-out wire is drawn from the 1st groove and the 12nd groove, is labeled as a respectively
1, x
1, claim a
1x
1winding, the 2nd group is that 16-1,18-29,20-27 are in series by 3 concentric coils, and lead-out wire is drawn from the 16th groove and the 27th groove, is labeled as x respectively
2, a
2, claim x
2a
2winding; B phase the 1st group is by 3 concentric coil 11-26, and 13-24,15-22 are in series, and lead-out wire is drawn from the 11st groove and the 22nd groove, is labeled as b respectively
1, y
1, claim b
1y
1winding, the 2nd group is that 26-11,28-9,30-7 are in series by 3 concentric coils, and lead-out wire is drawn from the 26th groove and the 7th groove, is labeled as y respectively
2, b
2, claim y
2b
2winding; C phase the 1st group is by 3 concentric coil 21-6, and 23-4,25-2 are in series, and lead-out wire is drawn from the 21st groove and the 2nd groove, is labeled as c respectively
1, z
1, claim c
1z
1winding, the 2nd group is that 6-21,8-19,10-17 are in series by 3 concentric coils, and lead-out wire is drawn from the 6th groove and the 17th groove, is labeled as z respectively
2, c
2, claim z
2c
2winding; All wire gauges are identical, and have 6 coils to be n circle, n is natural number, all the other 12 each coils of coil are 2n circle, and n is natural number, double-layer groove that is the 1st, 16,11,26,6,21 groove inner wires are homophases, there is no layer insulation between bilayer, stator 30 groove inner wire numbers are all identical, for 2n, n are natural number, be convenient to machinery roll off the production line, A, B, C three-phase windings structure is completely similar, three-phase mutual deviation 120 ° of electrical degrees.
2. the multivoltage single and two layer winding of a kind of two extremely single, three-phase permanent magnet electricity generator as claimed in claim 1, it is characterized in that: when parallel branch number is 1, its connection can be
connection, when generator rated speed is 3000 revs/min, can provide three-phase 400V, single-phase 230V, three-phase 230V respectively, single-phase 230V frequency 50Hz alternating voltage; When parallel branch number is 2, its connection can be
connection, when generator rated speed is 3000 revs/min, can provide three-phase 200V, single-phase 115V, three-phase 115V respectively, single-phase 115V, frequency 50Hz alternating voltage; 3 times and 3 odd-multiple harmonic winding factor be zero, phase voltage waveform aberration rate is less than 5%, can bonding, the multiple connection of three-phase power supply quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886805.5A CN105375667B (en) | 2015-12-07 | 2015-12-07 | A kind of two is extremely single, the multivoltage single and two layer winding of three-phase permanent magnet electricity generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886805.5A CN105375667B (en) | 2015-12-07 | 2015-12-07 | A kind of two is extremely single, the multivoltage single and two layer winding of three-phase permanent magnet electricity generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105375667A true CN105375667A (en) | 2016-03-02 |
| CN105375667B CN105375667B (en) | 2018-04-10 |
Family
ID=55377571
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510886805.5A Active CN105375667B (en) | 2015-12-07 | 2015-12-07 | A kind of two is extremely single, the multivoltage single and two layer winding of three-phase permanent magnet electricity generator |
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| CN (1) | CN105375667B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357018A (en) * | 2016-09-27 | 2017-01-25 | 珠海英搏尔电气股份有限公司 | Motor stator and motor |
| CN106787337A (en) * | 2016-12-27 | 2017-05-31 | 江西江特电机有限公司 | A kind of novel double-layer wave winding method for saving leading-out terminal wiring space |
| CN106849554A (en) * | 2017-01-23 | 2017-06-13 | 河北新四达电机股份有限公司 | Permanent magnet motor stator and its several paralleled conductor mush winding transposition coil-inserting method |
| CN107332415A (en) * | 2017-07-20 | 2017-11-07 | 安徽美芝精密制造有限公司 | Motor, compressor and air conditioner |
| CN108808925A (en) * | 2018-07-05 | 2018-11-13 | 天津大学 | 39 slot, 12 pole three-phase permanent magnetic synchronous motor, six layers of intussusception winding embed connection method |
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| CN205544683U (en) * | 2015-12-07 | 2016-08-31 | 泰豪科技股份有限公司 | Dipolar list, three -phase permanent magnet generator's multivoltage single and two layer winding |
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2015
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357018A (en) * | 2016-09-27 | 2017-01-25 | 珠海英搏尔电气股份有限公司 | Motor stator and motor |
| CN106787337A (en) * | 2016-12-27 | 2017-05-31 | 江西江特电机有限公司 | A kind of novel double-layer wave winding method for saving leading-out terminal wiring space |
| CN106849554A (en) * | 2017-01-23 | 2017-06-13 | 河北新四达电机股份有限公司 | Permanent magnet motor stator and its several paralleled conductor mush winding transposition coil-inserting method |
| CN106849554B (en) * | 2017-01-23 | 2023-07-14 | 河北新四达电机股份有限公司 | Permanent magnet motor stator and multi-parallel winding soft winding transposition coil inserting method thereof |
| CN107332415A (en) * | 2017-07-20 | 2017-11-07 | 安徽美芝精密制造有限公司 | Motor, compressor and air conditioner |
| CN108808925A (en) * | 2018-07-05 | 2018-11-13 | 天津大学 | 39 slot, 12 pole three-phase permanent magnetic synchronous motor, six layers of intussusception winding embed connection method |
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