CN203706818U - On-load capacity regulating transformer low-voltage wire outlet structure - Google Patents
On-load capacity regulating transformer low-voltage wire outlet structure Download PDFInfo
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- CN203706818U CN203706818U CN201320820272.7U CN201320820272U CN203706818U CN 203706818 U CN203706818 U CN 203706818U CN 201320820272 U CN201320820272 U CN 201320820272U CN 203706818 U CN203706818 U CN 203706818U
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- winding
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- coiling
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 72
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000010079 rubber tapping Methods 0.000 claims description 10
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model provides an on-load capacity regulating transformer low-voltage wire outlet structure, which comprises an iron core, a three-phase low-voltage winding and a capacity regulating switch, wherein each phase of low-voltage winding in the three-phase low-voltage winding comprises a first winding wire, a second winding wire and a third winding wire, the three sections of winding wires are wound on the iron core, three layers of distribution are formed from inside to outside, the end a3 of the first winding wire is connected with the end x2 of the second winding wire, the coil outlet ends of the three sections of winding wires are led out in the axial direction of the iron core, the coil outlet ends and the coil outlet lead wires are arranged at the same side, the coil outlet ends are respectively connected with corresponding contacts of the capacity regulating switch through the coil outlet lead wires, the coil outlet end lead wires pass along the side surface of a coil, and the arrangement direction of the coil outlet end lead wires is vertical to the lead-out direction of the coil outlet end. The on-load capacity regulating transformer low-voltage wire outlet structure has the advantages that the length of the lead wire is reduced to the maximum degree, the load loss is reduced, meanwhile, and the lead wires are tightly clamped through a conducting wire clamp, so the mechanical intensity of products is improved.
Description
Technical field
The utility model relates to the technical field of transformer, refers in particular to a kind of loaded capacity-regulated transformer low voltage tapping structure.
Background technology
The size of rural power grids load is to change with the variation in season.When busy farming season, network load is large, and when slack season, network load is little, and this can bring difficulty to the type selecting of rural power grids distribution transformer.Capacity selects large, at slack seasons, there will be " low load with strong power " phenomenon, and capacity selects little, in the time of the busy farming season, thereby because of the excessive initiation transformer burnout failure of loading; Spring Festival, many workers return to one's native place the New Year and steep increasing that make to load successively, if now the transformer of mountainous rural area burns out, have not only reduced widely festive air, and make troubles to people's life.
On market, occur a kind of loaded capacity-regulated transformer now, it has two kinds of capacity that vary in size, and can adjust according to payload.Its fundamental design idea is: Three-Phase Transformer high pressure winding is triangle (D) in the time of large capacity, is star (Y) when low capacity.
The change of high pressure winding connection, low pressure winding also, series connection conversion and the adjustment of each tap part complete by special loaded capacity-regulated shunting switch.Meanwhile, when large capacity is adjusted to low capacity, due to the increase of the low pressure number of turn, magnetic flux density unshakable in one's determination significantly reduces, and silicon steel sheet specific loss is diminished, and no-load loss and no-load current reduce, and reach the object of wastage reducing and energy saving.
Loaded capacity-regulated transformer not only high pressure winding plays tail head (A, B, C, X, Y, Z) and will guide on loaded capacity-regulated switch, and low pressure Winding tap (a1, b1,, c1, x1, y1, z1, a2, b2, c2, x2, y2, z2) also to guide on loaded capacity-regulated switch.Because low-voltage lead quantity is many, and cross section is large, and therefore arrangement and the low-pressure line-outgoing mode of lead-in wire just seem extremely important, if Pin arrangement is improper or outlet method is inconsiderate, all will cause lead-in wire consumption to increase or load loss increase.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of reasonable in design reliable, can reduce to greatest extent wire length, load loss is low, mechanical strength is large loaded capacity-regulated transformer low voltage tapping structure.
For achieving the above object, technical scheme provided by the utility model is: a kind of loaded capacity-regulated transformer low voltage tapping structure, it includes iron core, three-phase low-voltage winding and capacitance switch, in described three-phase low-voltage winding, every mutually described low pressure winding includes the first coiling, the second coiling and the 3rd coiling, these three sections of coilings are on iron core, form from inside to outside three layers of distribution, the a3 end of the first coiling is connected with the x2 end of the second coiling, the winding protruding head of described three sections of coilings is along axial lead unshakable in one's determination, winding protruding head and winding protruding head lead-in wire are for arranging the same side, this winding protruding head is gone between and is connected with capacitance switch respective contacts by winding protruding head respectively, described winding protruding head lead-in wire moves towards along coil side, its orientation and winding protruding head to draw direction vertical.
Described the first coiling around to second and third coiling around to contrary.
The described winding protruding head one end being connected with capacitance switch contact that goes between is connected to Wiring nose, and winding protruding head lead-in wire is connected by this Wiring nose with capacitance switch contact.
Described winding protruding head lead-in wire clamps by wire clamp, and wire clamp is fixed on folder.
Described three-phase low-voltage winding comprises a phase low pressure winding, b phase low pressure winding and c phase low pressure winding, wherein, the a3 end of the first coiling in a phase low pressure winding is connected with the x2 end of the second coiling, the b3 end of the first coiling in b phase low pressure winding is connected with the y2 end of the second coiling, and the c3 end of the first coiling in c phase low pressure winding is connected with the z2 end of the second coiling.
The utility model is adopting after such scheme, and its great advantage is to reduce to greatest extent wire length, reduces load loss, by wire clamp, lead-in wire is clamped simultaneously, thus the mechanical strength of increase product.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model mesolow winding protruding head schematic diagram.
Fig. 3 is low-voltage coil elementary diagram when large capacity in prior art.
Low-voltage coil elementary diagram when Fig. 4 is prior art Small And Medium Capacity.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
Referring to accompanying drawing 1 to shown in accompanying drawing 4, loaded capacity-regulated transformer low voltage tapping structure described in the present embodiment, it includes unshakable in one's determination 1, three-phase low-voltage winding 2 and capacitance switch 3, a in described three-phase low-voltage winding 2, b, c phase low pressure winding includes the first coiling 2-1, the second coiling 2-2 and the 3rd coiling 2-3, these three sections of coilings are on unshakable in one's determination 1, the first coiling 2-1 around to second, three coiling 2-2, 2-3 around on the contrary, form from inside to outside three layers of distribution, in a phase low pressure winding, the a3 end of the first coiling 2-1 is connected with the x2 end of the second coiling 2-2, in b phase low pressure winding, the b3 end of the first coiling 2-1 is connected with the y2 end of the second coiling 2-2, in c phase low pressure winding, the c3 end of the first coiling 2-1 is connected with the z2 end of the second coiling 2-2, the winding protruding head 7 of described three sections of coilings is along 1 axial lead unshakable in one's determination, winding protruding head 7 is the same side layout with winding protruding head lead-in wire 4, this winding protruding head 7 is gone between and 4 is connected with capacitance switch 3 respective contacts by winding protruding head respectively, winding protruding head lead-in wire 4 one end that are connected with capacitance switch 3 contacts are connected to Wiring nose, winding protruding head lead-in wire 4 is connected by this Wiring nose with capacitance switch 3 contacts, capacitance switch 3 carries out the conversion of large low capacity according to payload, described winding protruding head lead-in wire 4 moves towards along coil side, its orientation and winding protruding head 7 to draw direction vertical, and winding protruding head lead-in wire 4 clamps by wire clamp 5, and wire clamp 5 is fixed on folder 6.The utility model can reduce wire length to greatest extent, reduces load loss, by wire clamp, lead-in wire is clamped simultaneously, thus the mechanical strength of increase product.
The examples of implementation of the above are only the preferred embodiment of the utility model, not limit practical range of the present utility model with this, therefore the variation that all shapes according to the utility model, principle are done all should be encompassed in protection range of the present utility model.
Claims (5)
1. a loaded capacity-regulated transformer low voltage tapping structure, it includes iron core (1), three-phase low-voltage winding (2) and capacitance switch (3), it is characterized in that: in three-phase low-voltage winding (2), every mutually described low pressure winding includes the first coiling (2-1), the second coiling (2-2) and the 3rd coiling (2-3), these three sections of coilings are on (1) unshakable in one's determination, form from inside to outside three layers of distribution, the winding protruding head (7) of described three sections of coilings is along (1) axial lead unshakable in one's determination, winding protruding head (7) is the same side layout with winding protruding head lead-in wire (4), this winding protruding head (7) respectively by winding protruding head go between (4) be connected with capacitance switch (3) respective contacts, described winding protruding head lead-in wire (4) moves towards along coil side, its orientation and winding protruding head (7) to draw direction vertical.
2. a kind of loaded capacity-regulated transformer low voltage tapping structure according to claim 1, is characterized in that: described the first coiling (2-1) around to second and third coiling (2-2,2-3) around to contrary.
3. a kind of loaded capacity-regulated transformer low voltage tapping structure according to claim 1, it is characterized in that: described winding protruding head lead-in wire (4) is connected to Wiring nose with one end that capacitance switch (3) contact is connected, winding protruding head lead-in wire (4) is connected by this Wiring nose with capacitance switch (3) contact.
4. a kind of loaded capacity-regulated transformer low voltage tapping structure according to claim 1, is characterized in that: described winding protruding head lead-in wire (4) clamps by wire clamp (5), and wire clamp (5) is fixed on folder (6).
5. a kind of loaded capacity-regulated transformer low voltage tapping structure according to claim 1, it is characterized in that: described three-phase low-voltage winding (2) comprises a phase low pressure winding, b phase low pressure winding and c phase low pressure winding, wherein, the a3 end of the first coiling (2-1) in a phase low pressure winding is connected with the x2 end of the second coiling (2-2), the b3 end of the first coiling (2-1) in b phase low pressure winding is connected with the y2 end of the second coiling (2-2), and the c3 end of the first coiling (2-1) in c phase low pressure winding is connected with the z2 end of the second coiling (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320820272.7U CN203706818U (en) | 2013-12-14 | 2013-12-14 | On-load capacity regulating transformer low-voltage wire outlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320820272.7U CN203706818U (en) | 2013-12-14 | 2013-12-14 | On-load capacity regulating transformer low-voltage wire outlet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706818U true CN203706818U (en) | 2014-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320820272.7U Withdrawn - After Issue CN203706818U (en) | 2013-12-14 | 2013-12-14 | On-load capacity regulating transformer low-voltage wire outlet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706818U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632820A (en) * | 2013-12-14 | 2014-03-12 | 广东广特电气有限公司 | On-load adjustable capacity transformer low-voltage outgoing line structure |
| CN106098319A (en) * | 2016-08-04 | 2016-11-09 | 深圳供电局有限公司 | Axial outlet type transformer |
| CN107768115A (en) * | 2017-12-08 | 2018-03-06 | 吴江变压器有限公司 | A kind of loaded capacity-regulated transformer machine body structure |
-
2013
- 2013-12-14 CN CN201320820272.7U patent/CN203706818U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632820A (en) * | 2013-12-14 | 2014-03-12 | 广东广特电气有限公司 | On-load adjustable capacity transformer low-voltage outgoing line structure |
| CN106098319A (en) * | 2016-08-04 | 2016-11-09 | 深圳供电局有限公司 | Axial outlet type transformer |
| CN107768115A (en) * | 2017-12-08 | 2018-03-06 | 吴江变压器有限公司 | A kind of loaded capacity-regulated transformer machine body structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20170209 |