CN214674607U - Single-double layer winding of three-phase motor - Google Patents
Single-double layer winding of three-phase motor Download PDFInfo
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- CN214674607U CN214674607U CN202121281976.2U CN202121281976U CN214674607U CN 214674607 U CN214674607 U CN 214674607U CN 202121281976 U CN202121281976 U CN 202121281976U CN 214674607 U CN214674607 U CN 214674607U
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Abstract
The utility model discloses a three-phase motor single double-deck winding, including stator slot, layer insulation paper and double-deck winding coil, layer insulation paper sets up in the middle of the double-deck winding coil, and the winding coil coiling is in stator slot, characterized by: the number of stator slots is 60 slots, the number of poles is 4 grades, the number of phases is 3, total 36 coils are divided into 12 grade phase groups, and each grade phase group is 3 coils.
Description
Technical Field
The utility model belongs to the technical field of motor winding, refer in particular to a three-phase motor list double-deck winding.
Background
The existing three-phase asynchronous motor stator 60 slots, the number of poles is 4, and double-layer short-distance lap windings with the pitch of 1-14 are adopted; the pitch coefficient is 0.9781; the distribution coefficient is 0.9567; the winding coefficient is 0.9358; adding an interlayer insulating paper in the middle of the double-layer winding; this motor winding configuration adds significant manufacturing costs.
Disclosure of Invention
The utility model aims to provide a three-phase motor list double-deck winding that simple structure and processing cost are low to the not enough of prior art existence.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a three-phase machine single double-deck winding, includes stator slot, layer insulation paper and double-deck winding coil, and layer insulation paper sets up in the middle of the double-deck winding coil, and the winding coil coiling is in stator slot, characterized by: the number of stator slots is 60 slots, the number of poles is 4 grades, the number of phases is 3, total 36 coils are divided into 12 grade phase groups, and each grade phase group is 3 coils.
The utility model discloses further set up to: u1 was drawn from slot 13, U2 from slot 58, V1 from slot 3, V2 from slot 18, W1 from slot 23, and W2 from slot 11.
The utility model discloses further set up to: the pitch is 1-15, the pitch coefficient is 0.995, the distribution coefficient is 0.957, and the winding coefficient is 0.952.
The utility model discloses further set up to: the coils comprise small coils, middle coils and large coils; each slot of the small coil is provided with two layers of inserted wires, and interlayer insulating paper is arranged between the two layers of inserted wires; each slot embedded line of the middle coil and the large coil is a single layer.
The utility model discloses further set up to: the pitch of the monolayer is 2-14 and the pitch of the bilayer is 3-13.
The utility model discloses further set up to: the method is characterized in that: in 60 stator slots, 48 slots are embedded with a single-layer coil, and 12 slots are embedded with a double-layer coil.
Compared with the prior art, the utility model discloses possess advantage:
the winding coefficient of the winding of the utility model is improved by 1.7 percent compared with the winding coefficient of a double-layer winding with the original pitch of 1-14, and the average span of the winding is 12 percent; shortening 1 groove; the using amount of the enameled round copper wire can be saved, interlayer insulating paper is omitted in a single-layer winding, and the utilization rate of a stator punching slot is improved; the total number of coils in the single-layer and double-layer concentric windings is 36; compared with double-layer lap windings, the number of the lap-wound motor is reduced by 24, and the coil inserting time of the stator winding is saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
Detailed Description
The embodiments of the present invention will be further described with reference to fig. 1.
The utility model provides a three-phase machine single double-deck winding, includes stator slot, layer insulation paper and double-deck winding coil, and layer insulation paper sets up in the middle of the double-deck winding coil, and the winding coil coiling is in stator slot, characterized by: the number of stator slots is 60 slots, the number of poles is 4 grades, the number of phases is 3, total 36 coils are divided into 12 grade phase groups, and each grade phase group is 3 coils.
Further: u1 was drawn from slot 13, U2 from slot 58, V1 from slot 3, V2 from slot 18, W1 from slot 23, and W2 from slot 11.
The utility model discloses further set up to: the pitch is 1-15, the pitch coefficient is 0.995, the distribution coefficient is 0.957, and the winding coefficient is 0.952.
Further: the coils comprise small coils, middle coils and large coils; each slot of the small coil is provided with two layers of inserted wires, and interlayer insulating paper is arranged between the two layers of inserted wires; each slot embedded line of the middle coil and the large coil is a single layer.
Further: the pitch of the monolayer is 2-14 and the pitch of the bilayer is 3-13.
Further: the method is characterized in that: in 60 stator slots, 48 slots are embedded with a single-layer coil, and 12 slots are embedded with a double-layer coil.
The winding coefficient of the winding of the utility model is improved by 1.7 percent compared with the winding coefficient of a double-layer winding with the original pitch of 1-14, and the average span of the winding is 12 percent; shortening 1 groove; the using amount of the enameled round copper wire can be saved, interlayer insulating paper is omitted in a single-layer winding, and the utilization rate of a stator punching slot is improved; the total number of coils in the single-layer and double-layer concentric windings is 36; compared with double-layer lap windings, the number of the lap-wound motor is reduced by 24, and the coil inserting time of the stator winding is saved.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a three-phase machine single double-deck winding, includes stator slot, layer insulation paper and double-deck winding coil, and layer insulation paper sets up in the middle of the double-deck winding coil, and the winding coil coiling is in stator slot, characterized by: the number of stator slots is 60 slots, the number of poles is 4 grades, the number of phases is 3, total 36 coils are divided into 12 grade phase groups, and each grade phase group is 3 coils.
2. A single or double layer winding for a three phase electrical machine as claimed in claim 1, wherein: u1 was drawn from slot 13, U2 from slot 58, V1 from slot 3, V2 from slot 18, W1 from slot 23, and W2 from slot 11.
3. A single or double layer winding for a three phase electrical machine as claimed in claim 2, wherein: the pitch is 1-15, the pitch coefficient is 0.995, the distribution coefficient is 0.957, and the winding coefficient is 0.952.
4. A single or double layer winding for a three phase electrical machine as claimed in claim 3, wherein: the coils comprise small coils, middle coils and large coils; each slot of the small coil is provided with two layers of inserted wires, and interlayer insulating paper is arranged between the two layers of inserted wires; each slot embedded line of the middle coil and the large coil is a single layer.
5. The single-double layer winding of the three-phase motor as claimed in claim 4, wherein: the pitch of the monolayer is 2-14 and the pitch of the bilayer is 3-13.
6. The single-double layer winding of the three-phase motor as claimed in claim 5, wherein: in 60 stator slots, 48 slots are embedded with a single-layer coil, and 12 slots are embedded with a double-layer coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121281976.2U CN214674607U (en) | 2021-06-08 | 2021-06-08 | Single-double layer winding of three-phase motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121281976.2U CN214674607U (en) | 2021-06-08 | 2021-06-08 | Single-double layer winding of three-phase motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214674607U true CN214674607U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121281976.2U Active CN214674607U (en) | 2021-06-08 | 2021-06-08 | Single-double layer winding of three-phase motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN214674607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117833575A (en) * | 2024-03-06 | 2024-04-05 | 山西电机制造有限公司 | Single-double layer winding automatic wire embedding method based on large and small slot punching sheets |
-
2021
- 2021-06-08 CN CN202121281976.2U patent/CN214674607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117833575A (en) * | 2024-03-06 | 2024-04-05 | 山西电机制造有限公司 | Single-double layer winding automatic wire embedding method based on large and small slot punching sheets |
| CN117833575B (en) * | 2024-03-06 | 2024-06-07 | 山西电机制造有限公司 | Single-double layer winding automatic wire embedding method based on large and small slot punching sheets |
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