CN203589978U - 6/10-pole double-winding double-speed three-phase asynchronous motor - Google Patents
6/10-pole double-winding double-speed three-phase asynchronous motor Download PDFInfo
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- CN203589978U CN203589978U CN201320650976.4U CN201320650976U CN203589978U CN 203589978 U CN203589978 U CN 203589978U CN 201320650976 U CN201320650976 U CN 201320650976U CN 203589978 U CN203589978 U CN 203589978U
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Abstract
The utility model discloses a 6/10-pole double-winding double-speed three-phase asynchronous motor, which comprises two sets of stator windings wound in a stator groove. Each set of stator windings is in the form of a single layer or double layers. The number of the parallel connection branches of the 6-pole stator windings is 1or 2, and the wiring mode thereof is delta type or Y type. The number of the parallel connection branches of the 10-pole stator windings is 1or 2, and the wiring mode thereof is delta type or Y type. Due to the adoption of the above technical scheme of the utility model, the selective categories of design schemes are greatly enriched. Meanwhile, the ideal design requirements of the comprehensive performance indexes of a motor are satisfied.
Description
Technical field
The utility model belongs to motor technology field, relates to a kind of threephase asynchronous of 6/10 pole-changing duplex-winding double-speed.
Background technology
The connection of threephase asynchronous stator (Δ or Y), way in parallel (1,2 ...) and every groove conductor number be very important parameter, it directly has influence on the property indices of motor, such as: efficiency, power factor, locked-rotor torque, locked rotor current, breakdown torque etc.Conventionally have this situation, by designing and calculating, find: the stator winding of electric machine combination property index preferably time is the best of breed of a certain connection, some ways in parallel, a certain coil turn.
The winding connection mode of 6/10 utmost point duplex-winding double-speed motor of prior art only has Δ/Δ, Y/Y, Y/ Δ, Δ/Y.For example, if a certain utmost point (6 utmost points) adopts 2 tunnel parallel connection methods, for example, when another utmost point (10 utmost points) is switched on, due to the imbalance of the induced potential in the parallel branch coil of 6 utmost points (being now the inoperative utmost point), between parallel branch, just produce circulation, thereby cause the winding waveform turn-to-turn of 10 utmost points (the work utmost point) bad, motor cannot start or move, simultaneously with abnormal electromagnetic noise.
Summary of the invention
The utility model provides a kind of 6/10 utmost point duplex-winding double-speed threephase asynchronous, solves preferably the problem that winding connection mode is single, general motor performance index are not good.
6/10 utmost point duplex-winding double-speed threephase asynchronous that the utility model provides, comprise the stator winding in stator slot around the home, stator winding is double winding, and every cover winding is individual layer or bilayer, wherein the way in parallel of stator winding 6 utmost points is 1 or 2, and the way in parallel of stator winding 10 utmost points is 1 or 2.
The mode of connection of described stator winding 6 utmost points adopts Δ type or wye connection, and the mode of connection of stator winding 10 utmost points adopts Δ type or wye connection.
Therefore, winding is except being connected into Δ/Δ, Y/Y, Y/ Δ, Δ/Y, by 6 utmost points and 10 utmost point winding utmost points being organized mutually to the exact connect ion of coil, the synthetic electromotive force that makes every parallel branch is 0, winding can also be connected into 12 kinds of Δ/2 Δ, Y/2Y, Y/2 Δ, Δ/2Y, 2 Δs/Δ, 2Y/Y, 2Y/ Δ, 2 Δs/Y, 2 Δ/2 Δs, 2Y/2Y, 2Y/2 Δ, 2 Δs/2Y etc.
The beneficial effects of the utility model are:
1, greatly enrich the optional kind of design, reached the desirable designing requirement of general motor performance index.
2, the imbalance of induced potential in the stator winding parallel branch coil of the elimination inoperative utmost point, between parallel branch, just produce circulation, cause the winding waveform turn-to-turn of stator winding of the work utmost point bad, motor cannot start or move, with the abnormal bad phenomenon such as electromagnetic noise.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Fig. 1 is the wiring schematic diagram that 6/10 way extremely in parallel is 1/1;
Fig. 2 is the wiring schematic diagram that 6/10 way extremely in parallel is 1/2;
Fig. 3 is the wiring schematic diagram that 6/10 way extremely in parallel is 2/1;
Fig. 4 is the wiring schematic diagram that 6/10 way extremely in parallel is 2/2.
Embodiment
A kind of 6/10 utmost point duplex-winding double-speed threephase asynchronous, comprise the stator winding in stator slot around the home, stator winding is double winding, and every cover winding is individual layer or bilayer, wherein the way in parallel of stator winding 6 utmost points is 1 or 2, and the way in parallel of stator winding 10 utmost points can be 1 or 2.
Winding type be double-layer overlapped around or individual layer (according to the difference of number of stator slots, number of poles, can be individual layer chain type, individual layer staggered form, individual layer concentric type).
The mode of connection of described stator winding 6 utmost points adopts Δ type or wye connection, and the mode of connection of stator winding 10 utmost points adopts Δ type or wye connection.
As shown in Figure 1 be the mode of connection of 6/10 utmost point duplex-winding double-speed motor of prior art, four kinds of total Y/Y, Δ/Y, Δ/Δ, Y/ Δs.Shown in Fig. 2～Fig. 4 is the utility model 6/10 utmost point duplex-winding double-speed threephase asynchronous, connects the mode of connection that can expand with combination by appropriate winding, is respectively Y/2Y, Δ/2Y, Y/2 Δ, Δ/2 Δ; 2Y/Y, 2 Δs/Y, 2Y/ Δ, 2 Δs/Δ; Totally 12 kinds of 2Y/2Y, 2 Δs/2Y, 2Y/2 Δ, 2 Δ/2 Δs etc.
The motor utmost point mutually group according to U ,-W, V ,-U, W ,-V ... order is arranged in order, and for 6 utmost point 60 degree facies tract windings, is followed successively by 0 °, 60 °, 120 °, 180 °, 240 °, 300 °, 360 °, 420 °, 480 °, 540 °, 600 °, 660 °, 720 °, 780 °, 840 °, 900 °, 960 °, 1020 °.Problem, only chooses U phase winding and analyzes for convenience of explanation, and obviously, when 6 pole motors normally move, the potential vector angle of 60 degree facies tract winding U phase coil groups is followed successively by 0 °, 180 °, 360 °, 540 °, 720 °, 900 °.When 10 utmost point energising operation, 6 utmost point windings are in non operating state, due to shared same stator core, so groove electric angle during 10 utmost point is 10/6 times of 6 utmost point groove electric angles, now the electromotive force of the U phase coil group of 6 utmost points become successively 0 °, 300 ° (180*10/6=300, lower with), 600 °, 900 °, 1200 °, 1500 °.Because of U(0 °), U(600 °), U(1200 °) three synthesizes 0;-U(300 °) ,-U(900 °) ,-U(1500 °) three synthesizes 0; Like this, 6 utmost point windings can be by U(0 °), U(600 °), U(1200 °) with-U(300 °) ,-U(900 °) ,-U(1500 °) be connected to become respectively a branch road, so 6 utmost point 2 tunnel connections of design because of the synthetic electromotive force of each branch road when 10 utmost point windings energising be 0, therefore can not produce circulation, thereby turn-to-turn waveform that can disturbed one 0 utmost point winding, 10 utmost points can be moved reliably.
Certainly, also can be by U(0 °) ,-U(300 °), U(600 °) ,-U(900 °), U(1200 °) ,-U(1500 °) be connected into a road, synthetic electromotive force is also obviously 0.
The motor utmost point mutually group according to U ,-W, V ,-U, W ,-V ... order is arranged in order, and for 10 utmost point 60 degree facies tract windings, is followed successively by 0 °, 60 °, 120 °, 180 °, 240 °, 300 °, 360 °, 420 °, 480 °, 540 °, 600 °, 660 °, 720 °, 780 °, 840 °, 900 °, 960 °, 1020 °, 1080 °, 1140 °, 1200 °, 1260 °, 1320 °, 1380 °, 1440 °, 1500 °, 1560 °, 1620 °, 1680 °, 1740 °.Problem for convenience of explanation, only choosing U phase winding analyzes, obviously, when 10 pole motors normally move, the potential vector angle of 60 degree facies tract winding U phase coil groups is followed successively by 0 °, 180 °, 360 °, 540 °, 720 °, 900 °, 1080 °, 1260 °, 1440 °, 1620 °.When 6 utmost point energising operation, 10 utmost point windings are in non operating state, due to shared same stator core, so groove electric angle during 6 utmost point is 6/10=0.6 times of 10 utmost point groove electric angles, now the electromotive force of the U phase coil group of 10 utmost points become successively 0 °, 108 ° (180*0.6=108, lower with), 216 °, 324 °, 432 °, 540 °, 648 °, 756 °, 864 °, 972 °.Because of U(0 °), U(216 °), U(432 °), U(648 °), U(864 °) be connected into a road, synthetic electromotive force is 0; General-U(108 °) ,-U(324 °) ,-U(540 °) ,-U(756 °) ,-U(972 °) be connected into another road, synthetic electromotive force is also 0.So 10 utmost point 2 tunnel connections of design because of the synthetic electromotive force of each branch road when 6 utmost point windings energising be 0, therefore can not produce circulation, thereby can not disturb the turn-to-turn waveform of 6 utmost point windings, 6 utmost points can be moved reliably.
Certainly, also can be by U(0 °) ,-U(108 °), U(216 °) ,-U(324 °), U(432 °) ,-U(540 °), U(648 °) ,-U(756 °), U(864 °) ,-U(972 °) be connected into a road, synthetic electromotive force is also obviously 0.
To sum up, above-mentioned 6/10 utmost point duplex-winding double-speed threephase asynchronous, both can be designed to 1 tunnel for 6 utmost points, can be designed to 2 tunnels again, can be connected into Δ, also can be connected into Y; For 10 utmost points, both can be designed to 1 tunnel, can be designed to 2 tunnels again, can be connected into Δ, also can be connected into Y.Therefore, can there be Δ/Δ, Y/Y, Y/ Δ, Δ/Y, Δ/2 Δ, Y/2Y, Y/2 Δ, Δ/2Y, 2 Δs/Δ, 2Y/Y, 2Y/ Δ, 2 Δs/Y, 2 Δ/2 Δs, 2Y/2Y, 2Y/2 Δ, 2 Δs/2Y totally 16 kinds of design alternatives, greatly expanded design space, for 6/10 utmost point duplex-winding double-speed threephase asynchronous of design synthesis excellent performance has been created condition.
Above-mentioned explanation is exemplary and nonrestrictive.By above-mentioned explanation those skilled in the art, can recognize that many kinds of the present utility model change and distortion, within it also will drop on essence of the present utility model and scope.
Claims (2)
1. a utmost point duplex-winding double-speed threephase asynchronous, comprise the stator winding in stator slot around the home, it is characterized in that: stator winding is double winding, every cover winding is individual layer or bilayer, wherein the way in parallel of stator winding 6 utmost points is 1 or 2, and the way in parallel of stator winding 10 utmost points can be 1 or 2.
2. 6/10 utmost point duplex-winding double-speed threephase asynchronous according to claim 1, is characterized in that: the mode of connection of described stator winding 6 utmost points adopts Δ type or wye connection, and the mode of connection of stator winding 10 utmost points adopts Δ type or wye connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650976.4U CN203589978U (en) | 2013-10-21 | 2013-10-21 | 6/10-pole double-winding double-speed three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650976.4U CN203589978U (en) | 2013-10-21 | 2013-10-21 | 6/10-pole double-winding double-speed three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203589978U true CN203589978U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320650976.4U Expired - Fee Related CN203589978U (en) | 2013-10-21 | 2013-10-21 | 6/10-pole double-winding double-speed three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203589978U (en) |
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2013
- 2013-10-21 CN CN201320650976.4U patent/CN203589978U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20181021 |