CN205489878U - Ten ends of earth, four branch road hydraulic generator stator winding - Google Patents
Ten ends of earth, four branch road hydraulic generator stator winding Download PDFInfo
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- CN205489878U CN205489878U CN201620206411.0U CN201620206411U CN205489878U CN 205489878 U CN205489878 U CN 205489878U CN 201620206411 U CN201620206411 U CN 201620206411U CN 205489878 U CN205489878 U CN 205489878U
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Abstract
The utility model discloses a ten ends of earth, four branch road hydraulic generator stator winding, the stator winding number of poles is 18, and slots per pole per phase is six, every phase winding includes four parallel branch, and every facies tract includes two parallel branch windings, and each branch road winding is asymmetric distribution within a definite time, wherein the coil assembly constituteed of the jack per line winding connection that is disposed by each quilt that corresponds down the magnetic pole of every branch road winding connects gradually in order and constitutes. The utility model discloses the wiring of the minimum just tip of asymmetric degree is clean and tidy within a definite time for each parallel branch winding in can realizing the phase winding to reduce circulating current loss effectively, simplify the wiring, practice thrift the winding material, improve the efficiency and the stability of motor operation. The utility model discloses a stator winding structure has stronger practical value.
Description
Technical field
This utility model relates to hydraulic generator stator Winding Design field, is specifically related to a kind of ten ends of the earth four branch road hydraulic generator stator windings.
Background technology
Stator winding is as the vitals of hydrogenerator energy converting between mechanical, and its design has inseparable contacting with motor performance；Large-sized water turbine generator stator winding uses asymmetric-branches design can effectively reduce the operating current of groove inner wire, the loss solving large capacity hydroelectric generator stator winding is big, the operation of the outstanding problems such as electromagnetic force is big, beneficially motor suffered by temperature rise and bar；But existing asymmetric-branches winding is unreasonable due to design, there is the problems such as asymmetric-branches degree is big, wiring is complicated, cross-line is long so that circulation loss is high, the fixing difficulty of winding overhang, affects efficiency and stability that motor runs.
Utility model content
For above-mentioned deficiency of the prior art, this utility model provides a kind of ten ends of the earth four branch road hydraulic generator stator windings, this stator winding asymmetric-branches degree is the least and end connection is clean and tidy, have effectively achieved reduction winding loss, save winding material, amplification generator operation stability, the purpose of energy-saving and emission-reduction.
In order to reach foregoing invention purpose, the technical solution adopted in the utility model is:
Thering is provided a kind of ten ends of the earth four branch road hydraulic generator stator windings, this stator winding number of poles is 18, and MgO-ZrO_2 brick is six；Every phase winding includes four parallel branches, and every facies tract includes two parallel branch windings, is mal-distribution between each branch road winding；The coil groups that described every branch road winding is made up of the connection of each jack per line coil being configured correspondence under magnetic pole is sequentially connected with in order and constitutes, to realize the purpose that in phase winding, between each parallel branch winding, asymmetric degree is minimum and end connection is clean and tidy；The structure of two parallel branch windings of described each phase leukorrhagia is:
The structure of the first branch road winding is:
The first pair of magnetic pole to the odd number coil under the 3rd pair of magnetic pole be respectively configured as first pair of magnetic pole to No. two coils under a coil under the 3rd pair of magnetic pole, the first pair of magnetic pole to the 3rd pair of magnetic pole and the first pair of magnetic pole to the 3rd pair of magnetic pole under No. three coils；
4th second, third coil to the 7th pair of magnetic pole and last coil be respectively configured as the 4th to a coil to the 7th pair of magnetic pole, the 4th to No. two coils and the 4th to the 7th pair of magnetic pole to No. three coils to the 7th pair of magnetic pole；
8th the even number coil to the 9th pair of magnetic pole is respectively configured as the 8th to a coil to the 9th pair of magnetic pole, the 8th to No. two coils to the 9th pair of magnetic pole and the 8th to No. three coils to the 9th pair of magnetic pole；
Described first pair of magnetic pole a to coil under the 9th pair of magnetic pole is sequentially connected with composition number coil groups of the first branch road；Described first pair of magnetic pole to No. two coils under the 9th pair of magnetic pole are sequentially connected with composition No. two coil groups of the first branch road；Described first pair of magnetic pole to No. three coils under the 9th pair of magnetic pole are sequentially connected with composition No. three coil groups of the first branch road；
Described number coil groups of first branch road, No. two coil groups of the first branch road and No. three coil groups of the first branch road are sequentially connected with composition the first branch road winding；
The structure of the second branch road winding is:
The first pair of magnetic pole to the even number coil under the 3rd pair of magnetic pole is respectively configured as first pair of magnetic pole to No. six coils under No. five coils under No. four coils under the 3rd pair of magnetic pole, the first pair of magnetic pole to the 3rd pair of magnetic pole, the first pair of magnetic pole to the 3rd pair of magnetic pole；
4th first coil to the 7th pair of magnetic pole and the 4th, the 5th coil be respectively configured as the 4th to No. four coils to the 7th pair of magnetic pole, the 4th to No. five coils and the 4th to the 7th pair of magnetic pole to No. six coils to the 7th pair of magnetic pole；
8th the odd number coil to the 9th pair of magnetic pole is respectively configured as the 8th to No. four coils to the 9th pair of magnetic pole, the 8th to No. five coils to the 9th pair of magnetic pole and the 8th to No. six coils to the 9th pair of magnetic pole；
Described first pair of magnetic pole to No. four coils under the 9th pair of magnetic pole are sequentially connected with composition number coil groups of the second branch road；Described first pair of magnetic pole to No. five coils under the 9th pair of magnetic pole are sequentially connected with composition No. two coil groups of the second branch road；Described first pair of magnetic pole to No. six coils under the 9th pair of magnetic pole are sequentially connected with composition No. three coil groups of the second branch road；
Described number coil groups of second branch road, No. two coil groups of the second branch road and No. three coil groups of the second branch road are sequentially connected with composition the second branch road winding.
Described coil is equal pitch winding, described each equal pitch winding by two bars by and headgear be welded to connect and constitute, the outer surface of described bar is disposed with insulating lacquer layer and the glass tape pad for reinforced insulation protection；The electric potential of branch amplitude degree of asymmetry of this stator winding scheme is 1.37E-14%, and electric potential of branch maximum phase difference is 0.247 °.
The beneficial effects of the utility model are: this utility model be determined by each branch road winding every pair extremely under distributing position, the distribution of two medium pitch coils of branch road winding of each phase leukorrhagia is arranged to particular form, thus realize in phase winding between each parallel branch winding that asymmetric degree is minimum and end connection neatly reduces winding loss and temperature rise, the most each branch road winding connects smooth, there is no unnecessary outlet and the situation appearance across pole line, winding overhang wiring is clean and tidy, save winding material, increase winding overhang and fix intensity, improve efficiency and the stability of generator operation.
Accompanying drawing explanation
Fig. 1 is this utility model stator winding A facies tract lower coil position distribution schematic diagram.
Fig. 2 is this utility model stator winding A phase leukorrhagia each branch road winding connecting structure schematic diagram.
Detailed description of the invention
Below detailed description of the invention of the present utility model is described; so that those skilled in the art understand this utility model; it is to be understood that; this utility model is not limited to the scope of detailed description of the invention; from the point of view of those skilled in the art; as long as various changes limit and in the spirit and scope of the present utility model that determine, these changes are apparent from appended claim, all utilize innovation and creation that this utility model conceives all at the row of protection.
The ten ends of the earth four branch road hydraulic generator stator windings that this utility model provides, wherein number of poles is 18, and MgO-ZrO_2 brick is 6；This stator winding comprises three-phase, comprises 2 facies tracts mutually, and every phase winding includes that 4 are connected in parallel and in asymmetrically distributed branch road winding；As it is shown in figure 1, Fig. 1 is this utility model stator winding A facies tract lower coil position distribution schematic diagram；Wherein, line number is magnetic pole logarithm, every a line represents that all A facies tracts comprised under a pair magnetic pole roll off the production line the numbering of ring recess, according to each branch road winding regularity of distribution under each pair of magnetic pole, may determine that the attachment structure of each branch road winding, branch road winding is consisted of also headgear head and the tail connection the coil that quantity is identical；Owing to each branch road winding regularity of distribution of phase leukorrhagia each in stator winding is identical, therefore, the most only illustrate as a example by each branch road winding connecting structure of A phase leukorrhagia:
Using the numbering of place, limit, coil upper strata groove as the coil number of placed equal pitch winding, all coils is numbered, as shown in Figure 1；In this utility model, the attachment structure of each branch road winding is connected, by the jack per line coil being configured corresponding in each magnetic pole, the coil groups formed and is sequentially connected with being formed by coil groups；In an embodiment of the present utility model, described coil is equal pitch winding, and A facies tract comprises two branch road windings in parallel, A1 branch road winding and A2 branch road winding；
In A1 branch road winding, above-mentioned jack per line coil particularly as follows:
No. two coils under the coil that the 1st, 3 and 5 coils under first pair of magnetic pole are respectively configured as under first pair of magnetic pole, first pair of magnetic pole and No. three coils under first pair of magnetic pole；No. two coils under the coil that the 37th, 39 and 41 coils under second pair of magnetic pole are respectively configured as under second pair of magnetic pole, second pair of magnetic pole and No. three coils under second pair of magnetic pole；The 73rd, 75 and 77 coils under 3rd pair of magnetic pole are respectively configured as No. two coils under a coil under the 3rd pair of magnetic pole, the 3rd pair of magnetic pole and No. three coils under the 3rd pair of magnetic pole；
The 110th, 111 and 114 coils under 4th pair of magnetic pole are respectively configured as No. two coils under a coil under the 4th pair of magnetic pole, the 4th pair of magnetic pole and No. three coils under the 4th pair of magnetic pole；The 146th, 147 and 150 coils under 5th pair of magnetic pole are respectively configured as No. two coils under a coil under the 5th pair of magnetic pole, the 5th pair of magnetic pole and No. three coils under the 5th pair of magnetic pole；The 182nd, 183 and 186 coils under 6th pair of magnetic pole are respectively configured as No. two coils under a coil under the 6th pair of magnetic pole, the 6th pair of magnetic pole and No. three coils under the 6th pair of magnetic pole；The 218th, 219 and 222 coils under 7th pair of magnetic pole are respectively configured as No. two coils under a coil under the 7th pair of magnetic pole, the 7th pair of magnetic pole and No. three coils under the 7th pair of magnetic pole；
The 254th, 256 and 258 coils under 8th pair of magnetic pole are respectively configured as No. two coils under a coil under the 8th pair of magnetic pole, the 8th pair of magnetic pole and No. three coils under the 8th pair of magnetic pole；The 290th, 292 and 294 coils under 9th pair of magnetic pole are respectively configured as No. two coils under a coil under the 9th pair of magnetic pole, the 9th pair of magnetic pole and No. three coils under the 9th pair of magnetic pole；
Above-mentioned jack per line coil is connected composition coil groups, the most as shown in Figure 2:
Respectively a coil under above-mentioned first pair of magnetic pole to the 9th pair of magnetic pole is sequentially connected with composition number coil groups of A1 branch road；The first pair of magnetic pole is sequentially connected with composition No. two coil groups of A1 branch road to No. two coils under the 9th pair of magnetic pole；The first pair of magnetic pole is sequentially connected with composition No. three coil groups of A1 branch road to No. three coils under the 9th pair of magnetic pole；
Finally number coil groups of A1 branch road, No. two coil groups of A1 branch road and No. three coil groups of A1 branch road are sequentially connected with composition A1 branch road winding；That is to say:
Line 1 circle, No. 37 coils, No. 73 coils, No. 110 coils, No. 146 coils, No. 182 coils, No. 218 coils, No. 254 coils, No. 290 coils, No. 3 coils, No. 39 coils, No. 75 coils, No. 111 coils, No. 147 coils, No. 183 coils, No. 219 coils, No. 256 coils, No. 292 coils, No. 5 coils, No. 41 coils connected in series are formed together the A1 branch road winding of A phase leukorrhagia；
In A2 branch road winding, above-mentioned jack per line coil particularly as follows:
No. five coils under No. four coils that the 2nd, 4 and 6 coils under first pair of magnetic pole are respectively configured as under first pair of magnetic pole, first pair of magnetic pole and No. six coils under first pair of magnetic pole；No. five coils under No. four coils that the 38th, 40 and 42 coils under second pair of magnetic pole are respectively configured as under second pair of magnetic pole, second pair of magnetic pole and No. six coils under second pair of magnetic pole；The 74th, 76 and 78 coils under 3rd pair of magnetic pole are respectively configured as No. five coils under No. four coils under the 3rd pair of magnetic pole, the 3rd pair of magnetic pole and No. six coils under the 3rd pair of magnetic pole；
The 109th, 112 and 113 coils under 4th pair of magnetic pole are respectively configured as No. five coils under No. four coils under the 4th pair of magnetic pole, the 4th pair of magnetic pole and No. six coils under the 4th pair of magnetic pole；The 145th, 148 and 149 coils under 5th pair of magnetic pole are respectively configured as No. five coils under No. four coils under the 5th pair of magnetic pole, the 5th pair of magnetic pole and No. six coils under the 5th pair of magnetic pole；The 181st, 184 and 185 coils under 6th pair of magnetic pole are respectively configured as No. five coils under No. four coils under the 6th pair of magnetic pole, the 6th pair of magnetic pole and No. six coils under the 6th pair of magnetic pole；The 217th, 220 and 221 coils under 7th pair of magnetic pole are respectively configured as No. five coils under No. four coils under the 7th pair of magnetic pole, the 7th pair of magnetic pole and No. six coils under the 7th pair of magnetic pole；
The 253rd, 255 and 257 coils under 8th pair of magnetic pole are respectively configured as No. four coils under the magnetic pole of the 8th, No. five coils under the 8th pair of magnetic pole and No. six coils under the 8th pair of magnetic pole；The 289th, 291 and 293 coils under 9th pair of magnetic pole are respectively configured as No. five coils under No. four coils under the 9th pair of magnetic pole, the 9th pair of magnetic pole and No. six coils under the 9th pair of magnetic pole；
Above-mentioned jack per line coil is connected composition coil groups, the most as shown in Figure 2:
Respectively No. four coils under above-mentioned first pair of magnetic pole to the 9th pair of magnetic pole are sequentially connected with composition number coil groups of A2 branch road；The first pair of magnetic pole is sequentially connected with composition No. two coil groups of A2 branch road to No. five coils under the 9th pair of magnetic pole；The first pair of magnetic pole is sequentially connected with composition No. three coil groups of A2 branch road to No. six coils under the 9th pair of magnetic pole；
Finally number coil groups of A2 branch road, No. two coil groups of A2 branch road and No. three coil groups of A2 branch road are sequentially connected with composition A2 branch road winding；That is to say:
No. 6 coil, No. 42 coils, No. 78 coils, No. 114 coils, No. 150 coils, No. 186 coils, No. 221 coils, No. 256 coils, No. 292 coils, No. 4 coils, No. 40 coils, No. 76 coils, No. 112 coils, No. 148 coils, No. 184 coils, No. 219 coils, No. 254 coils, No. 290 coils, No. 2 coils, No. 38 coils connected in series are formed together the A2 branch road winding of A phase leukorrhagia.
In sum, main feature of the present utility model is exactly that under phase winding, each branch road winding electromotive force asymmetric title degree is minimum and end connection is clean and tidy, such that it is able to be effectively reduced circulation loss, simplifies wiring, saves winding material, improves efficiency and stability that motor runs.This utility model has stronger practical value.
Claims (3)
1. ten ends of the earth four branch road hydraulic generator stator windings, is characterized in that, stator winding number of poles is 18, and MgO-ZrO_2 brick is six；Every phase winding includes four parallel branches, and every facies tract includes two parallel branch windings, is mal-distribution between each branch road winding；The coil groups that described every branch road winding is made up of the connection of each jack per line coil being configured correspondence under magnetic pole is sequentially connected with in order and constitutes, to realize the purpose that in phase winding, between each parallel branch winding, asymmetric degree is minimum and end connection is clean and tidy；The structure of two parallel branch windings of described each phase leukorrhagia is:
The structure of the first branch road winding is:
The first pair of magnetic pole to the odd number coil under the 3rd pair of magnetic pole be respectively configured as first pair of magnetic pole to No. two coils under a coil under the 3rd pair of magnetic pole, the first pair of magnetic pole to the 3rd pair of magnetic pole and the first pair of magnetic pole to the 3rd pair of magnetic pole under No. three coils；
4th second, third coil to the 7th pair of magnetic pole and last coil be respectively configured as the 4th to a coil to the 7th pair of magnetic pole, the 4th to No. two coils and the 4th to the 7th pair of magnetic pole to No. three coils to the 7th pair of magnetic pole；
8th the even number coil to the 9th pair of magnetic pole is respectively configured as the 8th to a coil to the 9th pair of magnetic pole, the 8th to No. two coils to the 9th pair of magnetic pole and the 8th to No. three coils to the 9th pair of magnetic pole；
Described first pair of magnetic pole a to coil under the 9th pair of magnetic pole is sequentially connected with composition number coil groups of the first branch road；Described first pair of magnetic pole to No. two coils under the 9th pair of magnetic pole are sequentially connected with composition No. two coil groups of the first branch road；Described first pair of magnetic pole to No. three coils under the 9th pair of magnetic pole are sequentially connected with composition No. three coil groups of the first branch road；
Described number coil groups of first branch road, No. two coil groups of the first branch road and No. three coil groups of the first branch road are sequentially connected with composition the first branch road winding；
The structure of the second branch road winding is:
The first pair of magnetic pole to the even number coil under the 3rd pair of magnetic pole is respectively configured as first pair of magnetic pole to No. six coils under No. five coils under No. four coils under the 3rd pair of magnetic pole, the first pair of magnetic pole to the 3rd pair of magnetic pole, the first pair of magnetic pole to the 3rd pair of magnetic pole；
4th first coil to the 7th pair of magnetic pole and the 4th, the 5th coil be respectively configured as the 4th to No. four coils to the 7th pair of magnetic pole, the 4th to No. five coils and the 4th to the 7th pair of magnetic pole to No. six coils to the 7th pair of magnetic pole；
8th the odd number coil to the 9th pair of magnetic pole is respectively configured as the 8th to No. four coils to the 9th pair of magnetic pole, the 8th to No. five coils to the 9th pair of magnetic pole and the 8th to No. six coils to the 9th pair of magnetic pole；
Described first pair of magnetic pole to No. four coils under the 9th pair of magnetic pole are sequentially connected with composition number coil groups of the second branch road；Described first pair of magnetic pole to No. five coils under the 9th pair of magnetic pole are sequentially connected with composition No. two coil groups of the second branch road；Described first pair of magnetic pole to No. six coils under the 9th pair of magnetic pole are sequentially connected with composition No. three coil groups of the second branch road；
Described number coil groups of second branch road, No. two coil groups of the second branch road and No. three coil groups of the second branch road are sequentially connected with composition the second branch road winding.
Ten ends of the earth four branch road hydraulic generator stator windings the most according to claim 1, is characterized in that, described coil is equal pitch winding, described each equal pitch winding by two bars by and headgear be welded to connect and constitute.
Ten ends of the earth four branch road hydraulic generator stator windings the most according to claim 2, is characterized in that, the outer surface of described bar is disposed with insulating lacquer layer and the glass tape pad for reinforced insulation protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206411.0U CN205489878U (en) | 2016-03-17 | 2016-03-17 | Ten ends of earth, four branch road hydraulic generator stator winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206411.0U CN205489878U (en) | 2016-03-17 | 2016-03-17 | Ten ends of earth, four branch road hydraulic generator stator winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205489878U true CN205489878U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620206411.0U Expired - Fee Related CN205489878U (en) | 2016-03-17 | 2016-03-17 | Ten ends of earth, four branch road hydraulic generator stator winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205489878U (en) |
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2016
- 2016-03-17 CN CN201620206411.0U patent/CN205489878U/en not_active Expired - Fee Related
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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: 20160817 Termination date: 20170317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |