CN205489877U - Asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves - Google Patents
Asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves Download PDFInfo
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- CN205489877U CN205489877U CN201620206325.XU CN201620206325U CN205489877U CN 205489877 U CN205489877 U CN 205489877U CN 201620206325 U CN201620206325 U CN 201620206325U CN 205489877 U CN205489877 U CN 205489877U
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Abstract
The utility model discloses an asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves, three hundred six ten total grooves of stator winding, wherein every phase winding every under extremely the shared number of slots be 12, every phase winding contains six parallel branch, and every facies tract is including three parallelly connected branch roads, each branch road adoption branch road unsymmetrical structure, the coil assembly that jack per line coil end -to -end connection that each branch road winding was disposed by each quilt that corresponds down the magnetic pole constitutes connects gradually according to the coil assembly order and constitutes. The utility model discloses branch road current potential amplitude asymmetry is very little and realized that the synthetic current potential phase difference of branch road is for zero. The utility model discloses can effectually reduce the circulation between each branch road, reduce winding loss and temperature rise, reduce the inslot line stick electromagnetic force that receives simultaneously to the efficiency and the stability of motor operation have been improved. The utility model discloses have stronger practical value, be particularly useful for large -scale hydraulic generator.
Description
Technical field
This utility model relates to Stator Windings of AC Motor design field, is specifically related to a kind of 360 groove six branch road three phase alternating current motor asymmetric-branches stator winding.
Background technology
Stator winding is the vitals of hydrogenerator, and the quality of its design directly affects runnability and the stability of whole motor.Large-sized water turbine generator stator winding uses asymmetric-branches winding design can reduce groove inner wire operating current, thus reduces winding loss and temperature rise, also reduces electromagnetic force suffered by bar in groove simultaneously, and then improves efficiency and the stability of generator operation.It is relatively big all to there is asymmetric-branches degree in existing asymmetric-branches winding design, causes branch road circulation loss higher, affects motor operational efficiency.
Utility model content
For above-mentioned deficiency of the prior art, this utility model provides a kind of 360 groove six branch road three phase alternating current motor asymmetric-branches stator winding, this stator winding electric potential of branch amplitude degree of asymmetry is the least and branch road synthesis electromotive force phase contrast is zero, thus effectively reduce circulation between branch current and each branch road, ensure that generating set is stable, extend generating set service life.
In order to reach foregoing invention purpose, the technical solution adopted in the utility model is:
Thering is provided a kind of 360 groove six branch road three phase alternating current motor asymmetric-branches stator winding, this stator winding has 360 grooves, and wherein every phase winding is 12 at every extremely lower shared groove number；Every phase winding comprises six parallel branches, and every facies tract includes and ter bar branch road, and each branch road uses asymmetric-branches structure；Described each branch road winding is connected, by jack per line coil corresponding under each pair of magnetic pole, the coil groups formed in certain sequence and is sequentially connected with constituting by coil groups, and to realize, electric potential of branch amplitude degree of asymmetry is the least and branch road synthesis electromotive force phase contrast is for zero.
With first groove of each phase leukorrhagia as starting vessel, the structure of three parallel branch windings of described each phase leukorrhagia is:
Article 1, the structure of branch road winding is:
Under first pair of magnetic pole, coil in starting vessel is configured to a coil under first pair of magnetic pole, No. four coils under No. two coils under then the coil in two groove corresponding grooves is respectively configured as first pair of magnetic pole successively, No. three coils under first pair of magnetic pole and first pair of magnetic pole；
Under second pair of magnetic pole, coil in starting vessel is configured to a coil under second pair of magnetic pole, No. four coils under No. two coils under then the coil in two groove corresponding grooves is respectively configured as second pair of magnetic pole successively, No. three coils under second pair of magnetic pole and second pair of magnetic pole；
Under the 3rd pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to a coil under the 3rd pair of magnetic pole, No. four coils under No. two coils under then the coil in two groove corresponding grooves is respectively configured as the 3rd pair of magnetic pole successively, No. three coils under the 3rd pair of magnetic pole and the 3rd pair of magnetic pole；
Under the 4th pair of magnetic pole, the coil being separated by a groove corresponding groove with starting vessel is configured to a coil under the 4th pair of magnetic pole, No. four coils under No. two coils under then the coil in two groove corresponding grooves is configured to the 4th pair of magnetic pole successively, No. three coils under the 4th pair of magnetic pole and the 4th pair of magnetic pole；
Under the 5th pair of magnetic pole, the coil being separated by a groove corresponding groove with starting vessel is configured to a coil under the 5th pair of magnetic pole, No. four coils under No. two coils under then the coil in two groove corresponding grooves is configured to the 5th pair of magnetic pole successively, No. three coils under the 5th pair of magnetic pole and the 5th pair of magnetic pole；
Described first pair of magnetic pole is sequentially connected with constituting number coil groups of the first branch road to the 5th pair of magnetic pole to a coil under the 5th pair of magnetic pole by first；Described first pair of magnetic pole is sequentially connected with constituting No. two coil groups of the first branch road to the 5th pair of magnetic pole to No. two coils under the 5th pair of magnetic pole by first；Described first pair of magnetic pole is sequentially connected with constituting No. three coil groups of the first branch road to the 5th pair of magnetic pole to No. three coils under the 5th pair of magnetic pole by first；Described first pair of magnetic pole is sequentially connected with constituting No. four coil groups of the first branch road to the 5th pair of magnetic pole to No. four coils under the 5th pair of magnetic pole by first；
Described number coil groups of first branch road, No. two coil groups of the first branch road, No. three coil groups of the first branch road and No. four 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:
Under first pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to No. five coils under first pair of magnetic pole, then No. six coils under the coil in three groove corresponding grooves is configured to first pair of magnetic pole, No. seven coils under coil in two groove corresponding grooves is configured to first pair of magnetic pole again, then No. eight coils that the coil in a groove corresponding groove is configured under first pair of magnetic pole；
Under second pair of magnetic pole, No. five coils that the coil being separated by a groove corresponding groove with starting vessel is configured under second pair of magnetic pole, No. eight coils under No. six coils under then the coil in two groove corresponding grooves is configured to second pair of magnetic pole successively, No. seven coils under second pair of magnetic pole and second pair of magnetic pole；
Under the 3rd pair of magnetic pole, coil in starting vessel is configured to No. five coils under the 3rd pair of magnetic pole, No. six coils under then the coil in two groove corresponding grooves is respectively configured as the 3rd pair of magnetic pole successively, No. seven coils under the 3rd pair of magnetic pole and No. eight coils under the 3rd pair of magnetic pole；
Under the 4th pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to No. five coils under the 4th pair of magnetic pole, then No. six coils under the coil in a groove corresponding groove is configured to the 4th pair of magnetic pole, No. seven coils under coil in two groove corresponding grooves is configured to the 4th pair of magnetic pole again, then the coil in three groove corresponding grooves is configured to No. eight coils under the 4th pair of magnetic pole；
Under the 5th pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to No. five coils under the 5th pair of magnetic pole, No. eight coils under No. six coils under then the coil in two groove corresponding grooves is respectively configured as the 5th pair of magnetic pole successively, No. seven coils under the 5th pair of magnetic pole and the 5th pair of magnetic pole；
Described first pair of magnetic pole to No. five coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting number coil groups of the second branch road；Described first pair of magnetic pole to No. six coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting No. two coil groups of the second branch road；Described first pair of magnetic pole to No. seven coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting No. three coil groups of the second branch road；Described first pair of magnetic pole to No. eight coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting No. four coil groups of the second branch road；
Described number coil groups of second branch road, No. two coil groups of the second branch road, No. three coil groups of the second branch road and No. four coil groups of the second branch road are sequentially connected with constituting the second branch road winding by coil groups；
The structure of the 3rd branch road winding is:
Under first pair of magnetic pole, No. nine coils that the coil being separated by a groove corresponding groove with starting vessel is configured under first pair of magnetic pole, then No. ten coils under the coil in a groove corresponding groove is configured to first pair of magnetic pole, ride on Bus No. 11 coil under coil in two groove corresponding grooves is configured to first pair of magnetic pole again, then ten No. two coils that the coil in three groove corresponding grooves is configured under first pair of magnetic pole；
Under second pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to No. nine coils under second pair of magnetic pole, ten No. two coils under No. ten coils under then the coil in two groove corresponding grooves is respectively configured as second pair of magnetic pole successively, the ride on Bus No. 11 coil under second pair of magnetic pole and second pair of magnetic pole；
Under the 3rd pair of magnetic pole, the coil being separated by a groove corresponding groove with starting vessel is configured to No. nine coils under the 3rd pair of magnetic pole, ten No. two coils under No. ten coils under then the coil in two groove corresponding grooves is respectively configured as the 3rd pair of magnetic pole successively, the ride on Bus No. 11 coil under the 3rd pair of magnetic pole and the 3rd pair of magnetic pole；
Under the 4th pair of magnetic pole, coil in starting vessel is configured to No. nine coils under the 4th pair of magnetic pole, then No. ten coils under the coil in three groove corresponding grooves is configured to the 4th pair of magnetic pole, ride on Bus No. 11 coil under coil in two groove corresponding grooves is configured to the 4th pair of magnetic pole again, then the coil in a groove corresponding groove is configured to ten No. two coils under the 4th pair of magnetic pole；
Under the 5th pair of magnetic pole, coil in starting vessel is configured to No. nine coils under the 5th pair of magnetic pole, No. ten coils under then the coil in two groove corresponding grooves is respectively configured as the 5th pair of magnetic pole successively, the ride on Bus No. 11 coil under the 5th pair of magnetic pole and ten No. two coils under the 5th pair of magnetic pole；
Described first pair of magnetic pole to No. nine coils under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting number coil groups of the 3rd branch road；Described first pair of magnetic pole to No. ten coils under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting No. two coil groups of the 3rd branch road；Described first pair of magnetic pole to the ride on Bus No. 11 coil under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting No. three coil groups of the 3rd branch road；Described first pair of magnetic pole to ten No. two coils under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting No. four coil groups of the 3rd branch road；
Described number coil groups of 3rd branch road, No. two coil groups of the 3rd branch road, No. three coil groups of the 3rd branch road and No. four coil groups of the 3rd branch road are sequentially connected with constituting the 3rd branch road winding by coil groups；
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 beneficial effects of the utility model are: this utility model is configured to specific form by being distributed by the equal pitch winding in three branch road windings of each phase leukorrhagia, thus the parallel branch in phase winding is around the amplitude degree of asymmetry being combined into electromotive force is minimum and phase contrast is zero, thus reduce circulation between branch road, reduce winding loss and temperature rise, in reduction groove, electromagnetic force suffered by bar, improves efficiency and stability that motor runs；Stator winding structure of the present utility model has stronger practical value, is particularly suited for large-sized water turbine generator.
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 stator winding of the 360 groove six branch road three phase alternating current motors that this utility model provides, wherein total groove number is 360, and MgO-ZrO_2 brick is 12；This stator winding comprises three-phase, comprises 2 facies tracts mutually, and every phase winding includes that 6 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 number of pole-pairs, and every a line represents the numbering of all A phase troughs of belt comprised under a pair magnetic pole, according to each branch road winding regularity of distribution under each pair of magnetic pole, it may be determined that the attachment structure of each branch road winding；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, being numbered all coils, A facies tract lower coil position distribution is as shown in Figure 1；In this utility model, each branch road winding is connected the coil groups formed in certain sequence by jack per line coil corresponding under each pair of magnetic pole and is sequentially connected with constituting by coil groups；In an embodiment of the present utility model, A phase leukorrhagia comprises three branch road windings in parallel altogether: A1 branch road winding, A2 branch road winding and A3 branch road winding；
In A1 branch road winding, jack per line coil position configuration under above-mentioned each pair of magnetic pole, particularly as follows:
Under first pair of magnetic pole, coil in No. 1 groove is configured to a coil under first pair of magnetic pole, No. three coils under No. two coils that the coil in No. 4 groove, No. 7 groove and No. 10 groove is configured under first pair of magnetic pole the most successively, first pair of magnetic pole, No. four coils under first pair of magnetic pole；
Under second pair of magnetic pole, coil in No. 73 groove is configured to a coil under second pair of magnetic pole, coil in No. 76 groove is configured to No. two coils under second pair of magnetic pole, coil in No. 79 groove is configured to No. three coils under second pair of magnetic pole, and the coil in No. 82 groove is configured to No. four coils under second pair of magnetic pole；
Under the 3rd pair of magnetic pole, coil in No. 146 groove is configured to a coil under the 3rd pair of magnetic pole, and the coil in No. 149 groove, No. 152 groove and No. 155 groove is respectively configured as No. three coils under No. two coils under the 3rd pair of magnetic pole, the 3rd pair of magnetic pole and No. four coils under the 3rd pair of magnetic pole successively；
Under the 4th pair of magnetic pole, coil in No. 219 groove is configured to a coil under the 4th pair of magnetic pole, coil in No. 222 groove is configured to No. two coils under the 4th pair of magnetic pole, coil in No. 225 groove is configured to No. three coils under the 4th pair of magnetic pole, and the coil in No. 228 groove is configured to No. four coils under the 4th pair of magnetic pole；
Under the 5th pair of magnetic pole, coil in No. 291 groove is configured to a coil under the 5th pair of magnetic pole, coil in No. 294 groove is configured to No. two coils under the 5th pair of magnetic pole, coil in No. 297 groove is configured to No. three coils under the 5th pair of magnetic pole, and the coil in No. 300 groove is configured to No. four coils under the 5th 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 5th 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 5th 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 5th pair of magnetic pole；The first pair of magnetic pole is sequentially connected with composition No. four coil groups of A1 branch road to No. four coils under the 5th pair of magnetic pole；Finally number coil groups of A1 branch road winding, No. two coil groups of A1 branch road winding, No. three coil groups of A1 branch road winding and No. four coil groups of A1 branch road winding are sequentially connected with composition A1 branch road winding；That is to say:
Line 1 circle, No. 73 coils, No. 146 coils, No. 219 coils, No. 291 coils, No. 4 coils, No. 76 coils, No. 149 coils, No. 222 coils, No. 294 coils, No. 7 coils, No. 79 coils, No. 152 coils, No. 225 coils, No. 297 coils, No. 10 line circle, No. 82 coils, No. 155 coils, No. 228 coils and No. 300 coils connected in series are formed together the A1 branch road winding of A phase leukorrhagia；
In A2 branch road winding, jack per line coil position configuration under above-mentioned each pair of magnetic pole, particularly as follows:
Under first pair of magnetic pole, coil in No. 2 groove is configured to No. five coils under first pair of magnetic pole, No. seven coils under No. six coils that the coil in No. 6 groove, No. 9 groove and o.11 groove is configured under first pair of magnetic pole, first pair of magnetic pole and No. eight coils under first pair of magnetic pole；
Under second pair of magnetic pole, coil in No. 75 groove is configured to No. five coils under second pair of magnetic pole, No. seven coils under No. six coils that the coil in No. 78 groove, No. 81 groove and No. 84 groove is configured under second pair of magnetic pole, second pair of magnetic pole and No. eight coils under second pair of magnetic pole；
Under the 3rd pair of magnetic pole, coil in No. 145 groove is configured to No. five coils under the 3rd pair of magnetic pole, and the coil in No. 148 groove, No. 151 groove and No. 154 groove is respectively configured as No. seven coils under No. six coils under the 3rd pair of magnetic pole, the 3rd pair of magnetic pole and No. eight coils under the 3rd pair of magnetic pole；
Under the 4th pair of magnetic pole, coil in No. 218 groove is configured to No. five coils under the 4th pair of magnetic pole, and the coil in No. 220 groove, No. 223 groove and No. 227 groove is respectively configured as No. seven coils under No. six coils under the 4th pair of magnetic pole, the 4th pair of magnetic pole and No. eight coils under the 4th pair of magnetic pole；
Under the 5th pair of magnetic pole, coil in No. 290 groove is configured to No. five coils under the 5th pair of magnetic pole, and the coil in No. 293 groove, No. 296 groove and No. 299 groove is respectively configured as No. seven coils under No. six coils under the 5th pair of magnetic pole, the 5th pair of magnetic pole and No. eight coils under the 5th pair of magnetic pole；
Above-mentioned jack per line coil is connected composition coil groups, the most as shown in Figure 2: respectively by No. five coils under above-mentioned first pair of magnetic pole to the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and the second pair of magnetic pole be sequentially connected with constituting number coil groups of A2 branch road；Described first pair of magnetic pole to No. six coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting No. two coil groups of A2 branch road；Described first pair of magnetic pole to No. seven coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting No. three coil groups of A2 branch road；Described first pair of magnetic pole to No. eight coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting No. four coil groups of A2 branch road；Finally it is sequentially connected with constituting A2 branch road winding by coil groups by number coil groups of A2 branch road, No. two coil groups of A2 branch road, No. three coil groups of A2 branch road and No. four coil groups of A2 branch road；That is to say:
No. 145 coil, No. 218 coils, No. 290 coils, No. 2 coils, No. 75 coils, No. 148 coils, No. 220 coils, No. 293 coils, No. 6 coils, No. 78 coils, No. 151 coils, No. 223 coils, No. 296 coils, No. 9 coils, No. 81 coils, No. 154 coils, No. 227 coils, No. 299 coils, No. 11 coils and No. 84 coils connected in series are formed together the A2 branch road winding of A phase leukorrhagia；
In A3 branch road winding, jack per line coil position configuration under above-mentioned each pair of magnetic pole, particularly as follows:
Under first pair of magnetic pole, coil in No. 3 groove is configured to No. nine coils under first pair of magnetic pole, the ride on Bus No. 11 coil under No. ten coils that the coil in No. 5 groove, No. 8 groove and No. 12 groove is respectively configured as under first pair of magnetic pole, first pair of magnetic pole and ten No. two coils under first pair of magnetic pole；
Under second pair of magnetic pole, No. nine coils that No. 74 coil is configured under second pair of magnetic pole, the ride on Bus No. 11 coil under No. ten coils that No. 77 groove, No. 80 groove and No. 83 groove are respectively configured as under second pair of magnetic pole, second pair of magnetic pole and ten No. two coils under second pair of magnetic pole；
Under the 3rd pair of magnetic pole, the coil in No. 147 groove, No. 150 groove, No. 153 groove and No. 156 groove is respectively configured as ten No. two coils under No. ten coils under No. nine coils under the 3rd pair of magnetic pole, the 3rd pair of magnetic pole, the ride on Bus No. 11 coil under the 3rd pair of magnetic pole and the 3rd pair of magnetic pole；
Under the 4th pair of magnetic pole, No. 217 groove, No. 221 groove, No. 224 groove and No. 226 groove are respectively configured as ten No. two coils under No. ten coils under No. nine coils under the 4th pair of magnetic pole, the 4th pair of magnetic pole, the ride on Bus No. 11 coil under the 4th pair of magnetic pole and the 4th pair of magnetic pole；
Under the 5th pair of magnetic pole, No. 289 groove, No. 292 groove, No. 295 groove and No. 298 groove are configured to ten No. two coils under No. ten coils under No. nine coils under the 5th pair of magnetic pole, the 5th pair of magnetic pole, the ride on Bus No. 11 coil under the 5th pair of magnetic pole and the 5th pair of magnetic pole successively；
Above-mentioned jack per line coil is connected composition coil groups, the most as shown in Figure 2:
Respectively by No. nine coils under above-mentioned first pair of magnetic pole to the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting number coil groups of A3 branch road；Described first pair of magnetic pole to No. ten coils under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting No. two coil groups of A3 branch road；Described first pair of magnetic pole to the ride on Bus No. 11 coil under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting No. three coil groups of A3 branch road；Described first pair of magnetic pole to ten No. two coils under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting No. four coil groups of A3 branch road；Finally it is sequentially connected with constituting A3 branch road winding by coil groups by number coil groups of A3 branch road, No. two coil groups of A3 branch road, No. three coil groups of A3 branch road and No. four coil groups of A3 branch road；That is to say:
No. 217 coil, No. 289 coils, No. 3 coils, No. 74 coils, No. 147 coils, No. 221 coils, No. 292 coils, No. 5 coils, No. 77 coils, No. 150 coils, No. 224 coils, No. 295 coils, No. 8 coils, No. 80 coils, No. 153 coils, No. 226 coils, No. 298 coils, No. 12 coils, No. 83 coils and No. 156 coils connected in series are formed together the A3 branch road winding of A phase leukorrhagia.
In sum, this utility model can realize in phase winding synthesizing between each parallel branch winding that electromotive force amplitude degree of asymmetry is the least and phase contrast is zero, can effectively solve the problem that existing asymmetric-branches winding design exists asymmetric-branches degree big, the problems such as circulation loss is high, thus improve efficiency and the stability that motor runs；This utility model has stronger practical value, is particularly suited for large-sized water turbine generator.
Claims (3)
1. a 360 groove six branch road three phase alternating current motor asymmetric-branches stator winding, is characterized in that, stator winding is common
Having 360 grooves, wherein every phase winding is 12 at every extremely lower shared groove number；Every phase winding comprises six parallel branches,
Every facies tract includes and ter bar branch road, and each branch road uses asymmetric-branches structure；Described each branch road winding is by right under each pair of magnetic pole
The jack per line coil answered connects the coil groups of composition in certain sequence and is sequentially connected with constituting by coil groups；
With first groove of each phase leukorrhagia as starting vessel, the structure of three parallel branch windings of described each phase leukorrhagia is:
Article 1, the structure of branch road winding is:
Under first pair of magnetic pole, the coil in starting vessel is configured to a coil under first pair of magnetic pole, then every two
No. three coils under No. two coils that coil in groove corresponding groove is respectively configured as under first pair of magnetic pole successively, first pair of magnetic pole
And No. four coils under first pair of magnetic pole；
Under second pair of magnetic pole, the coil in starting vessel is configured to a coil under second pair of magnetic pole, then every two
No. three coils under No. two coils that coil in groove corresponding groove is respectively configured as under second pair of magnetic pole successively, second pair of magnetic pole
And No. four coils under second pair of magnetic pole；
Under the 3rd pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to a coil under the 3rd pair of magnetic pole, so
After coil in two groove corresponding grooves be respectively configured as successively under No. two coils under the 3rd pair of magnetic pole, the 3rd pair of magnetic pole
No. three coils and the 3rd pair of magnetic pole under No. four coils；
Under the 4th pair of magnetic pole, the coil being separated by a groove corresponding groove with starting vessel is configured to No. under the 4th pair of magnetic pole
Coil, No. two coils under then the coil in two groove corresponding grooves is configured to the 4th pair of magnetic pole successively, the 4th pair of magnetic
No. three coils under extremely and No. four coils under the 4th pair of magnetic pole；
Under the 5th pair of magnetic pole, the coil being separated by a groove corresponding groove with starting vessel is configured to No. under the 5th pair of magnetic pole
Coil, No. two coils under then the coil in two groove corresponding grooves is configured to the 5th pair of magnetic pole successively, the 5th pair of magnetic
No. three coils under extremely and No. four coils under the 5th pair of magnetic pole；
Described first pair of magnetic pole is sequentially connected with to the 5th pair of magnetic pole to a coil under the 5th pair of magnetic pole by first
Constitute number coil groups of the first branch road；Described first pair of magnetic pole to No. two coils under the 5th pair of magnetic pole by first to the 5th right
Being sequentially connected with of magnetic pole constitutes No. two coil groups of the first branch road；Described first pair of magnetic pole is to No. three lines under the 5th pair of magnetic pole
Circle is sequentially connected with constituting No. three coil groups of the first branch road to the 5th pair of magnetic pole by first；Described first pair of magnetic pole is to
No. four coils under five pairs of magnetic poles are sequentially connected with constituting No. four coil groups of the first branch road to the 5th pair of magnetic pole by first；
Described number coil groups of first branch road, No. two coil groups of the first branch road, No. three coil groups of the first branch road and the first branch road four
Number coil groups is sequentially connected with composition the first branch road winding；
The structure of the second branch road winding is:
Under first pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to No. five coils under first pair of magnetic pole, so
After No. six coils being configured under first pair of magnetic pole of coil in three groove corresponding grooves, then the line in two groove corresponding grooves
Enclose No. seven coils being configured under first pair of magnetic pole, then the coil in a groove corresponding groove is configured under first pair of magnetic pole
No. eight coils；
Under second pair of magnetic pole, the coil being separated by a groove corresponding groove with starting vessel is configured to No. five under second pair of magnetic pole
Coil, No. six coils under then the coil in two groove corresponding grooves is configured to second pair of magnetic pole successively, second pair of magnetic
No. seven coils under extremely and No. eight coils under second pair of magnetic pole；
Under the 3rd pair of magnetic pole, the coil in starting vessel is configured to No. five coils under the 3rd pair of magnetic pole, then every two
Coil in groove corresponding groove is respectively configured as No. seven coils under No. six coils under the 3rd pair of magnetic pole, the 3rd pair of magnetic pole successively
And No. eight coils under the 3rd pair of magnetic pole；
Under the 4th pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to No. five coils under the 4th pair of magnetic pole, so
After coil in a groove corresponding groove be configured to No. six coils under the 4th pair of magnetic pole, then the line in two groove corresponding grooves
Enclose No. seven coils being configured under the 4th pair of magnetic pole, then the coil in three groove corresponding grooves is configured under the 4th pair of magnetic pole
No. eight coils；
Under the 5th pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to No. five coils under the 5th pair of magnetic pole, so
After coil in two groove corresponding grooves be respectively configured as successively under No. six coils under the 5th pair of magnetic pole, the 5th pair of magnetic pole
No. seven coils and the 5th pair of magnetic pole under No. eight coils；
Described first pair of magnetic pole to No. five coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and second
It is sequentially connected with magnetic pole constituting number coil groups of the second branch road；Described first pair of magnetic pole is to No. six under the 5th pair of magnetic pole
Coil by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting No. two lines of the second branch road
Circle group；Described first pair of magnetic pole to No. seven coils under the 5th pair of magnetic pole by the 3rd to, the 4th to, the 5th to, first to and the
Magnetic pole is sequentially connected with constituting No. three coil groups of the second branch road by two；Described first pair of magnetic pole is to eight under the 5th pair of magnetic pole
Number coil by the 3rd to, the 4th to, the 5th to, first to and second pair of magnetic pole be sequentially connected with constituting the second branch road four
Coil groups；
Described number coil groups of second branch road, No. two coil groups of the second branch road, No. three coil groups of the second branch road and the second branch road four
Number coil groups is sequentially connected with constituting the second branch road winding by coil groups；
The structure of the 3rd branch road winding is:
Under first pair of magnetic pole, the coil being separated by a groove corresponding groove with starting vessel is configured to No. nine under first pair of magnetic pole
Coil, No. ten coils under then the coil in a groove corresponding groove is configured to first pair of magnetic pole, then every two groove correspondences
Coil in groove is configured to the ride on Bus No. 11 coil under first pair of magnetic pole, then the coil in three groove corresponding grooves is configured to
Ten No. two coils under a pair magnetic pole；
Under second pair of magnetic pole, the coil in groove adjacent with starting vessel is configured to No. nine coils under second pair of magnetic pole, so
After coil in two groove corresponding grooves be respectively configured as successively under second pair of magnetic pole No. ten coils, under second pair of magnetic pole
Ride on Bus No. 11 coil and second pair of magnetic pole under ten No. two coils；
Under the 3rd pair of magnetic pole, the coil being separated by a groove corresponding groove with starting vessel is configured to No. nine under the 3rd pair of magnetic pole
Coil, No. ten coils under then the coil in two groove corresponding grooves is respectively configured as the 3rd pair of magnetic pole successively, the 3rd
To ten No. two coils under the ride on Bus No. 11 coil under magnetic pole and the 3rd pair of magnetic pole；
Under the 4th pair of magnetic pole, the coil in starting vessel is configured to No. nine coils under the 4th pair of magnetic pole, then every three grooves
Coil in corresponding groove is configured to No. ten coils under the 4th pair of magnetic pole, then the coil in two groove corresponding grooves is configured to
Ride on Bus No. 11 coil under 4th pair of magnetic pole, then the coil in a groove corresponding groove is configured to ten No. two under the 4th pair of magnetic pole
Coil；
Under the 5th pair of magnetic pole, the coil in starting vessel is configured to No. nine coils under the 5th pair of magnetic pole, then every two
Coil in groove corresponding groove is respectively configured as the ride on Bus No. 11 line under No. ten coils under the 5th pair of magnetic pole, the 5th pair of magnetic pole successively
Ten No. two coils under circle and the 5th pair of magnetic pole；
Described first pair of magnetic pole to No. nine coils under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to and the 3rd
It is sequentially connected with magnetic pole constituting number coil groups of the 3rd branch road；Described first pair of magnetic pole is to No. ten under the 5th pair of magnetic pole
Coil by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting No. two lines of the 3rd branch road
Circle group；Described first pair of magnetic pole to the ride on Bus No. 11 coil under the 5th pair of magnetic pole by the 4th to, the 5th to, first to, second to
Magnetic pole is sequentially connected with constituting No. three coil groups of the 3rd branch road by the 3rd；Described first pair of magnetic pole is under the 5th pair of magnetic pole
Ten No. two coils by the 4th to, the 5th to, first to, second to and the 3rd pair of magnetic pole be sequentially connected with constituting the 3rd branch road
No. four coil groups；
Described number coil groups of 3rd branch road, No. two coil groups of the 3rd branch road, No. three coil groups of the 3rd branch road and the 3rd branch road four
Number coil groups is sequentially connected with constituting the 3rd branch road winding by coil groups.
360 groove six branch road three phase alternating current motor asymmetric-branches stator winding the most according to claim 1, it is special
Levying and be, described coil is equal pitch winding, described each equal pitch winding by two bars by and headgear be welded to connect and constitute.
360 groove six branch road three phase alternating current motor asymmetric-branches stator winding the most according to claim 2, it is special
Levying and be, 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 |
|---|---|---|---|
| CN201620206325.XU CN205489877U (en) | 2016-03-17 | 2016-03-17 | Asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206325.XU CN205489877U (en) | 2016-03-17 | 2016-03-17 | Asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves |
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| Publication Number | Publication Date |
|---|---|
| CN205489877U true CN205489877U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620206325.XU Expired - Fee Related CN205489877U (en) | 2016-03-17 | 2016-03-17 | Asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves |
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| CN (1) | CN205489877U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900023A (en) * | 2018-08-30 | 2018-11-27 | 哈尔滨电机厂有限责任公司 | Asymmetric three branch staggered forms concentrate wave winding connection method |
| CN109038904A (en) * | 2018-08-30 | 2018-12-18 | 哈尔滨电机厂有限责任公司 | Asymmetric three branches are distributed wave winding connection method |
| CN109038906A (en) * | 2018-08-30 | 2018-12-18 | 哈尔滨电机厂有限责任公司 | A kind of asymmetric four branches integer slot lap wound partial unit connecting method |
| CN110556956A (en) * | 2018-05-31 | 2019-12-10 | 比亚迪股份有限公司 | Stator assembly and motor with same |
-
2016
- 2016-03-17 CN CN201620206325.XU patent/CN205489877U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556956A (en) * | 2018-05-31 | 2019-12-10 | 比亚迪股份有限公司 | Stator assembly and motor with same |
| CN110556956B (en) * | 2018-05-31 | 2021-12-07 | 比亚迪股份有限公司 | Stator assembly and motor with same |
| CN108900023A (en) * | 2018-08-30 | 2018-11-27 | 哈尔滨电机厂有限责任公司 | Asymmetric three branch staggered forms concentrate wave winding connection method |
| CN109038904A (en) * | 2018-08-30 | 2018-12-18 | 哈尔滨电机厂有限责任公司 | Asymmetric three branches are distributed wave winding connection method |
| CN109038906A (en) * | 2018-08-30 | 2018-12-18 | 哈尔滨电机厂有限责任公司 | A kind of asymmetric four branches integer slot lap wound partial unit connecting method |
| CN109038906B (en) * | 2018-08-30 | 2020-08-25 | 哈尔滨电机厂有限责任公司 | Asymmetric four-branch integer slot lap winding connection method |
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Granted publication date: 20160817 Termination date: 20170317 |