CN209496640U - Band oil duct transposed conductor - Google Patents
Band oil duct transposed conductor Download PDFInfo
- Publication number
- CN209496640U CN209496640U CN201920485933.2U CN201920485933U CN209496640U CN 209496640 U CN209496640 U CN 209496640U CN 201920485933 U CN201920485933 U CN 201920485933U CN 209496640 U CN209496640 U CN 209496640U
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- CN
- China
- Prior art keywords
- oil duct
- band
- enameled sheet
- wire group
- sheet wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model belongs to technical field of electrical equipment, it is related to band oil duct transposed conductor, including first row enameled sheet wire group and the secondary series enameled sheet wire group being staggered with first row enameled sheet wire group, it is characterized by: the band oil duct transposed conductor further includes oil duct band, oil duct band includes insulating board and the insulating oil duct item being arranged on insulating board；First row enameled sheet wire group, secondary series enameled sheet wire group, insulating oil duct item and insulating board are set gradually；Insulating oil duct item includes multiple spacing blocks；Multiple isolation block gaps successively arrange, and the first asphalt channel is formed between two neighboring spacing block；Insulating oil duct item be it is a plurality of, a plurality of insulating oil duct item interval is arranged successively, and forms the second asphalt channel between adjacent two insulating oil duct items；First asphalt channel and the second asphalt channel transverse and longitudinal are interlocked.The characteristics of the utility model has good heat dissipation effect, and coiling is simple and easy to operate, reduces transformer station high-voltage side bus temperature, extends transformer service life.
Description
Technical field
The utility model belongs to technical field of electrical equipment, is related to a kind of transposed conductor, in particular to a kind of band oil duct changes
Position conducting wire.
Background technique
Transposed conductor, which is meant, is combined into two column that wide face contacts with each other with the enameling copper strap wire of certain radical, and exists as required
The upper surface of two column enameled wires and the following transposition for making same steering along leptoprosopy, and make multilayer with electrician's insulating paper strip and continuously closely wrap
Around composition.Transposed conductor is smaller due to size, it will be apparent that the volume for reducing winding effectively improves the utilization rate in space, together
When resistance to pressure, mechanical strength, thermal diffusivity and thermal stability with higher, therefore, transposed conductor large-scale power transformer around
Group is widely applied in designing and manufacturing.
The winding of large-scale power transformer uses transposed conductor, and load loss can be greatly reduced, and reduces coiling hotspot temperature
It rises, promotes winding mechanical strength, keep structure more compact, and coil processing is easier.The winding of transformer is generally divided into
The wire turn of laminar and two kinds of cake formula, winding forms a cake (section) along its radial continuous coiling, then by axially aligned group of many cakes
At winding, referred to as pie winding.Pie winding perfect heat-dissipating, high mechanical strength, the scope of application is big, but its resistance to electricity that is hit
The performance of pressure is poor.It (is entangled although people take some electrostatic protection measures (electrostatic sheild, electrostatic ring) and improve the structure of winding
Knot, inner shield capacitor etc.), but the several leading circle of winding, the voltage gradient of several leading cake are still higher, in order to make several leading circle and several leading cake
It is not breakdown, entire winding again it is both economical, so sometimes using reinforce cake, due to coil-winding process upper and lower level tightly around
System, added with cushion block only between cake and cake, flow transformer oil can only to some direction, heat dissipation effect is not good enough.
Utility model content
In order to solve the technical issues of occurring in background technique, the utility model provides a kind of good heat dissipation effect, coiling letter
Easy operation can reduce transformer station high-voltage side bus temperature, extend the band oil duct transposed conductor of transformer service life.
A kind of band oil duct transposed conductor, including first row enameled sheet wire group and be staggered with first row enameled sheet wire group
Secondary series enameled sheet wire group, first row enameled sheet wire group and secondary series enameled sheet wire group include setting gradually from top to bottom
More enameled sheet wires, it is characterised in that: the band oil duct transposed conductor further includes oil duct band, the first row enameled sheet wire
Group, secondary series enameled sheet wire group and oil duct band are set gradually, and can provide heat dissipation using oil duct band for enameled sheet wire group.
Further, the oil duct band includes insulating board and the insulating oil duct item being arranged on insulating board；Described
One column enameled sheet wire group, secondary series enameled sheet wire group, insulating oil duct item and insulating board are set gradually；The insulating oil duct item
Including multiple spacing blocks；Multiple isolation block gaps successively arrange, and the first asphalt channel is formed between two neighboring spacing block.
Further, the insulating oil duct item is a plurality of, and a plurality of insulating oil duct item interval is arranged successively, adjacent two insulating oils
The second asphalt channel is formed between road item；First asphalt channel and the second asphalt channel transverse and longitudinal are interlocked.
Further, the band oil duct transposed conductor further includes being sleeved on first row enameled sheet wire group, secondary series enameled sheet wire
Lengths outside group and oil duct band.
Further, it is preferable that the lengths be heat-shrinked lengths because be heat-shrinked lengths heat will generate compared with
Big convergent force can be such that the single enameled sheet wire in transposed conductor is closely combined together, the machinery of transposed conductor can be improved
Stability.
Further, it is preferable that the lengths are polyester lengths or are formed by net by polyester and glass fiber
Lattice band has antistatic, high temperature resistant, the characteristic of oil-proof composition, resistance to mineral oil and high-tensile.
Further, the band oil duct transposed conductor further includes that setting is flat in first row enameled sheet wire group and secondary series enamel-cover
Lining paper between column between line group.
Further, it is preferable that lining paper is insulation lining paper between the column；It uses insulation lining paper that can improve transposition as separation layer to lead
The axial tensile-strength of line prevents paint film between column from damaging；Lining paper with a thickness of 130 μm between the column.
Further, the enameled sheet wire is copper strap wire, and copper strap wire has good electric conductivity, thermal conductivity and plasticity.
Further, the outside of the copper strap wire is enclosed with insulating layer；Preferably, the insulating layer is acetal paint film and ring
Oxygen glue film, this is to make transposed conductor have good mechanical strength, adhesion, transformer oil resistant and refrigerant performance, energy
Enough it is widely used in transformer.
The utility model has the beneficial effect that
1, the utility model includes oil duct band in transposed conductor, and first row enameled sheet wire group, secondary series enameled sheet wire group
And oil duct band is set gradually, and can provide heat dissipation using oil duct band for enameled sheet wire group, structure is simple to operation.
2, insulating oil duct item provided by the utility model includes multiple spacing blocks；Multiple isolation block gaps successively arrange, phase
The first asphalt channel is formed between adjacent two spacing blocks；Insulating oil duct item be it is a plurality of, a plurality of insulating oil duct item interval is arranged successively,
The second asphalt channel is formed between adjacent two insulating oil duct items；First asphalt channel and the second asphalt channel transverse and longitudinal are interlocked,
Insulating oil duct item is so arranged so that oil duct intercommunication between each cake of coil made of transposed conductor, and entire winding conducting wire
It is axial with it is auxiliary to transformer oil mutually flow, cooling area it is big, effectively improve heat dissipation effect.
3, the utility model is provided with heat outside first row enameled sheet wire group, secondary series enameled sheet wire group and oil duct band
Lengths are shunk, biggish convergent force can be generated when heat, the single flat wire in transposed conductor can be made closely to combine one
It rises, the mechanical stability of winding is thus improved, to extend transformer service life.
Detailed description of the invention
Fig. 1 is band oil duct transposed conductor schematic perspective view provided by the utility model；
Fig. 2 is 4 structural schematic diagram of oil duct band provided by the utility model；
Fig. 3 is band oil duct transposed conductor schematic view of the front view provided by the utility model；
Wherein:
1-copper strap wire；2-insulating layers；Lining paper between 3-column；4-oil duct bands；5-lengths.
Specific embodiment
The utility model is described in detail now in conjunction with attached drawing and embodiment.
Referring to Fig. 1, Fig. 2 and Fig. 3, band oil duct transposed conductor provided by the utility model, including first row enameled sheet wire
Group and the secondary series enameled sheet wire group being staggered with first row enameled sheet wire group, first row enameled sheet wire group and secondary series
Enameled sheet wire group includes the more enameled sheet wires set gradually from top to bottom, further includes oil duct band 4, first row enameled sheet wire
Group, secondary series enameled sheet wire group and oil duct band 4 are set gradually, and can provide heat dissipation using oil duct band for enameled sheet wire group.
Enameled sheet wire provided by the utility model includes copper strap wire 1 and the insulating layer being wrapped in outside copper strap wire 12, absolutely
Edge layer 2 is acetal paint film and epoxy jelly membrane, and therefore, enameled sheet wire has good electric conductivity, thermal conductivity and plasticity, to change
Position conducting wire has good mechanical strength, adhesion, transformer oil resistant and refrigerant performance, can be widely used in transformer
In.
Oil duct band 4 provided by the utility model includes insulating board and the insulating oil duct item being arranged on insulating board；
First row enameled sheet wire group, secondary series enameled sheet wire group, insulating oil duct item and insulating board are set gradually.Insulating oil duct item packet
Include multiple spacing blocks；Multiple isolation block gaps successively arrange, and the first asphalt channel is formed between two neighboring spacing block；Insulating oil
Road item be it is a plurality of, a plurality of insulating oil duct item interval is arranged successively, and forms the second asphalt channel between adjacent two insulating oil duct items；
First asphalt channel and the second asphalt channel transverse and longitudinal are interlocked, and the staggered insulating oil duct item of transverse and longitudinal to be made of the transposed conductor
Coil each cake between oil duct intercommunication, and entire winding conducting wire it is axial with it is auxiliary to transformer oil mutually flow, cooling
Area is big, effectively improves heat dissipation effect.
Band oil duct transposed conductor provided by the utility model further includes being sleeved on first row enameled sheet wire group, secondary series enamel-cover
Lengths 5 outside flat wire group and oil duct band 4.Lengths 5 are to be heat-shrinked lengths, will because being heat-shrinked lengths heat
Biggish convergent force is generated, the single enameled sheet wire in transposed conductor can be made closely to be combined together, transposed conductor can be improved
Mechanical stability.Lengths 5 are polyester lengths or are formed by lengths by polyester and glass fiber, quiet with preventing
Electricity, high temperature resistant, the characteristic of oil-proof composition, resistance to mineral oil and high-tensile.
Band oil duct transposed conductor provided by the utility model further includes being arranged in first row enameled sheet wire group and secondary series paint
Lining paper 3 between setting column between packet flat wire group.Lining paper 3 is insulation lining paper between column, between column lining paper 3 with a thickness of 130 μm, lining paper between column
3 width size is that transposed conductor core is auxiliary to highly subtracting single enameled sheet wire thickness, the length scale and paint of lining paper 3 between column
The axial length of packet flat wire is equal, to use insulation lining paper that can improve as separation layer the axial tensile-strength of transposed conductor, prevents
Paint film damages between column.
Referring to fig. 2, oil duct band 4 provided by the utility model includes insulating oil duct item and insulating board, the length of insulating board
Spend the equal length of two column enameled sheet wires, the height of insulating board auxiliary consistent to height, insulating paper with two column enameled sheet wire groups
4 insulating oil duct items are pasted on plate, in use, oil duct band 4 is sticked in the side of a wherein column enameled sheet wire group, oil duct band 4
Upper first asphalt channel and the second asphalt channel, so that the auxiliary Xiang Douyou transformer oil of the axial direction of enameled sheet wire and enameled sheet wire
Flowing, cooling area is big, effectively improves the heat dissipation effect of transposed conductor.
When it is implemented, using the winding provided by the utility model with oil duct transposed conductor as transformer, Neng Goujian
Just the coil for turning to transformer, since the side of transposed conductor is provided with oil duct band 4, and the outside of winding is enclosed with thermal contraction
Lengths, therefore, when transformer oil flows in oil duct band 4, with intercommunication, transformer oil is changing the oil duct 4 between each winding
The lateral and auxiliary Xiang Liudong of position conducting wire, increases the contact area of transformer oil and transposed conductor, good heat dissipation effect, quickly
Reduce transformer station high-voltage side bus temperature；5 heat shrinkable of lengths simultaneously, so that closely being tied between the enameled sheet wire of composition transposed conductor
It closes, enhances the mechanical stability of transformer, extend transformer service life.
Claims (10)
1. a kind of band oil duct transposed conductor is staggered including first row enameled sheet wire group and with first row enameled sheet wire group
Secondary series enameled sheet wire group, first row enameled sheet wire group and secondary series enameled sheet wire group include setting gradually from top to bottom
More enameled sheet wires, it is characterised in that: the band oil duct transposed conductor further includes oil duct band (4), the first row enameled sheet wire
Group, secondary series enameled sheet wire group and oil duct band (4) are set gradually.
2. band oil duct transposed conductor according to claim 1, it is characterised in that: the oil duct band (4) includes insulating board
And the insulating oil duct item on insulating board is set；The first row enameled sheet wire group, secondary series enameled sheet wire group, insulating oil
Road item and insulating board are set gradually；The insulating oil duct item includes multiple spacing blocks；Multiple isolation block gaps successively arrange,
The first asphalt channel is formed between two neighboring spacing block.
3. band oil duct transposed conductor according to claim 2, it is characterised in that: the insulating oil duct item be it is a plurality of, it is a plurality of
Insulating oil duct item interval is arranged successively, and forms the second asphalt channel between adjacent two insulating oil duct items；First oil circuit is logical
Road and the second asphalt channel transverse and longitudinal are interlocked.
4. band oil duct transposed conductor according to claim 1 or 2 or 3, it is characterised in that: the band oil duct transposed conductor is also
Including being sleeved on the external lengths (5) of first row enameled sheet wire group, secondary series enameled sheet wire group and oil duct band (4).
5. band oil duct transposed conductor according to claim 4, it is characterised in that: the lengths (5) are to be heat-shrinked grid
Band.
6. band oil duct transposed conductor according to claim 5, it is characterised in that: the lengths (5) are polyester lengths
Or lengths are formed by by polyester and glass fiber.
7. band oil duct transposed conductor according to claim 6, it is characterised in that: the band oil duct transposed conductor further includes setting
Set lining paper (3) between the column between first row enameled sheet wire group and secondary series enameled sheet wire group.
8. band oil duct transposed conductor according to claim 7, it is characterised in that: lining paper (3) is insulation lining paper between the column；
Lining paper (3) with a thickness of 130 μm between the column.
9. band oil duct transposed conductor according to claim 8, it is characterised in that: the enameled sheet wire is copper strap wire (1).
10. band oil duct transposed conductor according to claim 9, it is characterised in that: the outside of the copper strap wire (1) is enclosed with
Insulating layer (2)；The insulating layer (2) is acetal paint film and epoxy jelly membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485933.2U CN209496640U (en) | 2019-04-11 | 2019-04-11 | Band oil duct transposed conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485933.2U CN209496640U (en) | 2019-04-11 | 2019-04-11 | Band oil duct transposed conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209496640U true CN209496640U (en) | 2019-10-15 |
Family
ID=68157632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920485933.2U Expired - Fee Related CN209496640U (en) | 2019-04-11 | 2019-04-11 | Band oil duct transposed conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209496640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3859760A1 (en) * | 2020-01-30 | 2021-08-04 | ABB Power Grids Switzerland AG | Method and conductor structure for manufacturing an electric winding of an electromagnetic induction apparatus |
-
2019
- 2019-04-11 CN CN201920485933.2U patent/CN209496640U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3859760A1 (en) * | 2020-01-30 | 2021-08-04 | ABB Power Grids Switzerland AG | Method and conductor structure for manufacturing an electric winding of an electromagnetic induction apparatus |
| WO2021151610A1 (en) | 2020-01-30 | 2021-08-05 | Abb Power Grids Switzerland Ag | Method and conductor structure for manufacturing an electric winding of an electromagnetic induction apparatus |
| KR20220011227A (en) * | 2020-01-30 | 2022-01-27 | 히타치 에너지 스위처랜드 아게 | Method and conductor structure for manufacturing electrical windings of electromagnetic induction devices |
| KR102411469B1 (en) | 2020-01-30 | 2022-06-22 | 히타치 에너지 스위처랜드 아게 | Method and conductor structure for manufacturing electrical windings of electromagnetic induction devices |
| US11657961B2 (en) | 2020-01-30 | 2023-05-23 | Hitachi Energy Switzerland Ag | Method and conductor structure for manufacturing an electric winding of an electromagnetic induction apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |