CN204741354U - Double -deck alternating -current winding of asymmetric integer groove three -phase of four branch roads - Google Patents
Double -deck alternating -current winding of asymmetric integer groove three -phase of four branch roads Download PDFInfo
- Publication number
- CN204741354U CN204741354U CN201520197112.0U CN201520197112U CN204741354U CN 204741354 U CN204741354 U CN 204741354U CN 201520197112 U CN201520197112 U CN 201520197112U CN 204741354 U CN204741354 U CN 204741354U
- Authority
- CN
- China
- Prior art keywords
- winding
- coil
- phase
- asymmetric
- branches
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Windings For Motors And Generators (AREA)
Abstract
The utility model discloses a double -deck alternating -current winding of asymmetric integer groove three -phase of four branch roads is disclosed, each phase winding is all by the coil, V -arrangement conductive contact or electrically conductive leads binding thimble, U -shaped lead wire or arc lead wire are formed, and each phase winding is four branch road asymmetrical two layer winding, every the branch road passes through the coil by U -shaped pin connection, every coil is formed by connecting through V -arrangement conductive contact or electrically conductive leads binding thimble two line sticks, in the rule embedding stator slot that rolls off the production line of four branch roads according to the double -deck alternating -current winding of conventionality of every phase winding, the stator number of slots is 12 integral multiple, slots per pole per phase is four integral multiple. The utility model discloses an advantage: reduce stator winding's branch current by a wide margin, reduce basic copper loss and the electric power that reduces winding overhang, be favorable to improving capacity, efficiency and the reliability of motor.
Description
Technical field
The utility model relates to turbo generator field, full air cooling two pole, is specifically related to a kind of four asymmetric-branches integer groove three-phase Double-layer AC windings.
Background technology
Stator winding is the vitals that turbo generator realizes energy converting between mechanical, is also to equip with external electrical the important carrier carrying out energy exchange.Because the single-machine capacity of turbo generator is usually comparatively large, and the groove number of stator core is less, so the electric current that the stator winding of turbo generator carries is very large.
At present, in the design of two pole turbo generators, stator winding adopts conventional design usually, and namely every phase winding is formed by two branch circuit parallel connections.Article two, the design of branch road adds electrical loss and the heating of stator winding, not only reduces the efficiency of motor, and threatens the safe operation of motor.Particularly along with the single-machine capacity of full air cooling two pole turbo generator improves year by year, rated current constantly increases, by the restriction that the cooling capacity of fully air-cooled technique is relatively poor, the heating how reducing stator winding further with realize good cooling and become the bottleneck problem restricting full air cooling two pole turbo generator single-machine capacity and promote further.
For solving the above-mentioned defect of prior art, the utility model proposes a kind of new solution.
Summary of the invention
Technical problem to be solved in the utility model is: how to provide a kind of four asymmetric-branches integer groove three-phase Double-layer AC windings, this winding can reduce the electric current of each parallel branch of a phase winding significantly, thus reduce basic copper loss and the heating of full air cooling two pole Stator Coil, be conducive to the capacity boost of motor, efficiency increases and safe operation.
To achieve the above object of the invention, the technical scheme that the utility model adopts is: provide a kind of four asymmetric-branches integer groove three-phase Double-layer AC windings, it is characterized in that: symmetrical but four asymmetric-branches of winding three-phase, number of stator slots is the integral multiple of 12, MgO-ZrO_2 brick is the integral multiple of four, and every phase winding is formed by four branch circuit parallel connections.
According to four asymmetric-branches integer groove three-phase Double-layer AC windings provided by the utility model, it is characterized in that: each route coil of a phase winding or coil groups are gone between by arc or U-shaped lead-in wire is formed by connecting.
According to four asymmetric-branches integer groove three-phase Double-layer AC windings provided by the utility model, it is characterized in that: each coil is formed by connecting by V-arrangement conductive contact or the also headgear that conducts electricity in end by upper and lower layer two line rod.
According to four asymmetric-branches integer groove three-phase Double-layer AC windings provided by the utility model, it is characterized in that: according to the concrete needs of End winding wiring, the upper and lower layer line rod of a coil is unequal in the extension elongation of the same side of end.
According to four asymmetric-branches integer groove three-phase Double-layer AC windings provided by the utility model, it is characterized in that: in the coil that end extension elongation is longer, line rod adopts the bending of S shape in end, in the coil that end extension elongation is shorter, line rod adopts the bending of Γ shape in end.
According to four asymmetric-branches integer groove three-phase Double-layer AC windings provided by the utility model, it is characterized in that: the line rod of S shape bending adopts conduction in end and headgear connects, the line rod of Γ shape bending adopts V-arrangement conductive contact to connect in end.
In sum, the advantage of four asymmetric-branches integer groove three-phase Double-layer AC windings provided by the utility model is: the branch current 1, reducing stator winding significantly, thus reduce the electric power of basic copper loss and reduction winding overhang, be conducive to capacity motor lifting, efficiency increase and safe operation; 2, by the coil that adopts tip lengths unequal line rod to form or coil groups, achieve the regularly arranged of end leads, avoiding lead-in wire and intersecting; 3, by the line of Γ shape bending rod and V-arrangement conductive contact with the use of, decrease the copper consumption of end leads; Although 4 compare traditional branch road symmetric winding design, production of the present utility model and technique slightly complicated, but in the long run, loss and the heating of stator winding can be reduced significantly, for the further increase-volume of full air cooling two pole turbo generator provides solution, the economic benefit obtained is much larger than the Productive statistics at initial stage.
Accompanying drawing explanation
Fig. 1 is four asymmetric-branches integer groove three-phase Double-layer AC winding connection figure.
Fig. 2 is the solid wire rod schematic perspective view adopting the bending of S shape in Fig. 1 in end.
Fig. 3 is the solid wire rod schematic perspective view adopting the bending of Γ shape in Fig. 1 in end.
In figure: 1. arc lead-in wire; 2.U shape goes between; 3.V shape conductive contact; 4. conduction also headgear; The bending of 5.S shape; 6. Γ shape bending.
Embodiment
Also by reference to the accompanying drawings the utility model is further described for a kind of 72 groove four asymmetric-branches two pole three-phase Double-layer AC windings below.
As shown in Figure 1, the number of stator slots of this Double-layer AC winding is the integral multiple of 12, and MgO-ZrO_2 brick is the integral multiple of four, symmetrical but four asymmetric-branches of three-phase windings; Line not exclusively equal for end extension elongation rod is connected into the unequal coil of pitch by V-arrangement conductive contact and the also headgear that conducts electricity, again these coils are gone between by U-shaped or arc lead-in wire series connection formation coil groups, be connected to form four branch roads again, four branch circuit parallel connections formed four asymmetric-branches three-phase Double-layer AC windings.Using the side of V-arrangement conductive contact, line rod is shorter in the extension elongation of end regions, adopts the bending of Γ shape; Using the side of conduction headgear, line rod is longer in the extension elongation of end regions, adopts the bending of S shape.In a coil of described stator winding, the extension elongation of upper and lower layer line rod in the same side, end can be unequal.
In FIG, each coil be numbered top bar place groove number.By 1st branch road of coil 1,4,5,8,9 and 12 by A phase winding in series; In like manner, coil 2,3,6,7,10 and 11 forms the 2nd branch road; Coil 37,40,41,44,45 and 48 forms the 3rd branch road; Coil 38,39,42,43,46 and 47 forms the 4th branch road.By 1st branch road of coil 25,28,29,32,33 and 36 by B phase winding in series; In like manner, coil 26,27,30,31,34 and 35 forms the 2nd branch road; 61,64,65,68,69 and 72 form the 3rd branch road; 62,63,66,67,70 and 71 form the 4th branch road.By 1st branch road of coil 49,52,53,56,57 and 60 by C phase winding in series; In like manner, coil 50,51,54,55,58 and 59 forms the 2nd branch road; Coil 13,16,17,20,21 and 24 forms the 3rd branch road; Coil 14,15,18,19,22 and 23 forms the 4th branch road.
In FIG, Double-layer AC winding have employed the coil that 27,29,30,31 and 33 amount to 5 kinds of pitches simultaneously, but adjacent upper and lower layer line rod does not exist intersection at end regions; 1,3 branch roads of every phase winding adopt the coil of 27,30 and 33 totally three kinds of pitches, and mean pitch is 30; 2,4 branch roads of every phase winding adopt the coil of 29,30 and 31 totally three kinds of pitches, and mean pitch is also 30; Intersection is there is not in adjacent line rod at end regions.When the pitch of coil is 30,31 and 33, its upper and lower layer line rod adopts the bending of S shape at end regions, as shown in Figure 2; Pitch is that the upper and lower layer line rod of the coil of 30 is by conduction also headgear connection; Pitch is 31 to be connected by U-shaped lead-in wire with the upper and lower layer line rod of the coil of 33.When the pitch of coil is 27 and 29, its upper and lower layer line rod adopts the bending of Γ shape at end regions, as shown in Figure 3, and is coupled together by V-arrangement conductive contact.The branch road of every phase winding with adopt arc to go between branch road to be connected.
Although the utility model has done detailed description by better embodiment shown in the drawings to basic thought of the present utility model and basic principle, should not be construed as protection range of the present utility model and be only limitted to described embodiment.
Claims (6)
1. four asymmetric-branches integer groove three-phase Double-layer AC windings, is characterized in that: the symmetrical but asymmetric-branches of winding three-phase, number of stator slots is the integral multiple of 12, and MgO-ZrO_2 brick is the integral multiple of four, and every phase winding is formed by four branch circuit parallel connections.
2. four asymmetric-branches integer groove three-phase Double-layer AC windings according to claim 1, is characterized in that: each route coil of a phase winding or coil groups are formed by connecting by arc lead-in wire (1) or U-shaped lead-in wire (2).
3. four asymmetric-branches integer groove three-phase Double-layer AC windings according to claim 2, is characterized in that: each coil is formed by connecting by V-arrangement conductive contact (3) or the also headgear (4) that conducts electricity in end by upper and lower layer two line rod.
4. four asymmetric-branches integer groove three-phase Double-layer AC windings according to claim 3, is characterized in that: according to the concrete needs of End winding wiring, and the upper and lower layer line rod of a coil is unequal in the extension elongation of the same side of end.
5. four asymmetric-branches integer groove three-phase Double-layer AC windings according to claim 4, it is characterized in that: in the coil that end extension elongation is longer, line rod adopts S shape bending (5) in end, in the coil that end extension elongation is shorter, line rod adopts Γ shape bending (6) in end.
6. four asymmetric-branches integer groove three-phase Double-layer AC windings according to claim 5, it is characterized in that: the line rod of S shape bending (5) adopts conduction in end and headgear (4) connects, the line rod of Γ shape bending (6) adopts V-arrangement conductive contact (3) to connect in end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197112.0U CN204741354U (en) | 2015-04-03 | 2015-04-03 | Double -deck alternating -current winding of asymmetric integer groove three -phase of four branch roads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197112.0U CN204741354U (en) | 2015-04-03 | 2015-04-03 | Double -deck alternating -current winding of asymmetric integer groove three -phase of four branch roads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204741354U true CN204741354U (en) | 2015-11-04 |
Family
ID=54423072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520197112.0U Expired - Fee Related CN204741354U (en) | 2015-04-03 | 2015-04-03 | Double -deck alternating -current winding of asymmetric integer groove three -phase of four branch roads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204741354U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740584A (en) * | 2016-03-17 | 2016-07-06 | 哈尔滨理工大学 | Alternating current motor branch asymmetric winding connection optimization design method and branch asymmetric winding connection scheme |
| CN110121831A (en) * | 2017-02-23 | 2019-08-13 | 博格华纳公司 | Including having the motor of the stator of the more leads extended from public winding layer |
| CN114567106A (en) * | 2022-03-18 | 2022-05-31 | 东方电气(德阳)电动机技术有限责任公司 | Six-pole two-branch six-outlet double-layer lap winding end wiring structure |
-
2015
- 2015-04-03 CN CN201520197112.0U patent/CN204741354U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740584A (en) * | 2016-03-17 | 2016-07-06 | 哈尔滨理工大学 | Alternating current motor branch asymmetric winding connection optimization design method and branch asymmetric winding connection scheme |
| CN105740584B (en) * | 2016-03-17 | 2018-12-28 | 哈尔滨理工大学 | Alternating current generator asymmetric-branches winding connects optimum design method and Unsymmetrical Winding |
| CN110121831A (en) * | 2017-02-23 | 2019-08-13 | 博格华纳公司 | Including having the motor of the stator of the more leads extended from public winding layer |
| CN110121831B (en) * | 2017-02-23 | 2021-06-25 | 博格华纳公司 | Electrical machine including a stator having a plurality of leads extending from a common winding layer |
| US11418078B2 (en) | 2017-02-23 | 2022-08-16 | Borgwarner Inc. | Electric machine with stator having a plurality of lead wires extending from a common winding layer |
| CN114567106A (en) * | 2022-03-18 | 2022-05-31 | 东方电气(德阳)电动机技术有限责任公司 | Six-pole two-branch six-outlet double-layer lap winding end wiring structure |
| CN114567106B (en) * | 2022-03-18 | 2023-09-01 | 东方电气(德阳)电动机技术有限责任公司 | Double-deck lap winding end wiring structure of six two branch road six outgoing lines of six |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204030773U (en) | For the flat type copper wire ripple of three phase electric machine around armature winding | |
| CN204741354U (en) | Double -deck alternating -current winding of asymmetric integer groove three -phase of four branch roads | |
| CN102983653A (en) | Single-layer short isometric winding of 48-slot 4-pole three-phase asynchronous motor | |
| CN110829659A (en) | Hairpin winding type motor stator and motor | |
| CN104852535A (en) | Novel AC generator stator wire rod transposition method | |
| CN113783337A (en) | Multilayer flat wire winding stator module and motor | |
| CN109391052B (en) | Efficient multi-turn flat copper wire braided type spiral winding motor stator | |
| CN205489877U (en) | Asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves | |
| CN102299593B (en) | Forming method of multi-conductor parallel winding element | |
| CN102510151B (en) | 252-slot and 14-pole asymmetric four-branch two-layer three-phase stator winding | |
| CN204103635U (en) | The concentrated winding stator of servomotor | |
| CN201726207U (en) | Winding stator core of medium-sized variable frequency motor | |
| CN204442127U (en) | Threephase asynchronous | |
| CN203289220U (en) | Concentric different-turns winding for three-phase asynchronous motor | |
| CN203366944U (en) | Voltage adjusting lead structure of transformer | |
| CN202178141U (en) | Lead structure of Vv couple traction transformer | |
| CN2785235Y (en) | Winding improved motor | |
| CN202008906U (en) | Energy-saving rectifier transformer with out-of-phase anti-parallel connection and in-line type line output | |
| CN209419327U (en) | A kind of plastic stator of direct current generator | |
| CN209324585U (en) | A kind of wind generator system | |
| CN209046393U (en) | A kind of novel three-phase asynchronous motor with single and two layer winding | |
| CN106099818A (en) | ± 1100kV direct current exchanges same tower wire arrangements structure with double back 330kV | |
| CN202127324U (en) | Row-type junction box structure for low-voltage large-power motors | |
| CN109617283A (en) | A kind of three branch stator winding structures of bridging decompression | |
| CN204030747U (en) | A kind of high copper factor motor stator adopting the trapezoidal enamelled wire of compacting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20170403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |