CN202563917U - Transformer winding wire and transformer - Google Patents
Transformer winding wire and transformer Download PDFInfo
- Publication number
- CN202563917U CN202563917U CN2012201082170U CN201220108217U CN202563917U CN 202563917 U CN202563917 U CN 202563917U CN 2012201082170 U CN2012201082170 U CN 2012201082170U CN 201220108217 U CN201220108217 U CN 201220108217U CN 202563917 U CN202563917 U CN 202563917U
- Authority
- CN
- China
- Prior art keywords
- transformer winding
- winding line
- transformer
- paint
- solid conductor
- 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.)
- Expired - Lifetime
Links
- 238000004804 winding Methods 0.000 title claims abstract description 60
- 238000009413 insulation Methods 0.000 claims abstract description 32
- 239000003973 paint Substances 0.000 claims abstract description 26
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims abstract description 10
- 229920000728 polyester Polymers 0.000 claims abstract description 9
- 239000004593 Epoxy Substances 0.000 claims abstract description 5
- 239000004814 polyurethane Substances 0.000 claims abstract description 5
- 229920002635 polyurethane Polymers 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 50
- 239000007787 solid Substances 0.000 claims description 38
- 239000004922 lacquer Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 150000002466 imines Chemical class 0.000 claims description 4
- 238000010292 electrical insulation Methods 0.000 abstract 2
- 229920003055 poly(ester-imide) Polymers 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 16
- 239000002131 composite material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model provides a transformer winding wire which comprises two or more single wires, wherein the single wires are coated by electrical insulation class paint, and the electrical insulation class paint coated on the single wires can be polyester paint, acetal paint, polyurethane paint, polyesterimide resin paint or epoxy self-adhesion paint. The transformer winding wire is capable of guaranteeing insulation performance of wires on the condition that insulation thickness of the wires is not increased, and therefore quality of the winding wire is improved.
Description
Technical field
The utility model belongs to the transformer technology field, relates in particular to a kind of Transformer Winding line and transformer.
Background technology
At present; The Transformer Winding line ubiquity that is applied in the commercial production in traction transformer, reactor, the instrument transformer following problem: because the surface of lead is prone to oxidation in processing procedure; And the conductive line surfaces that processes is difficult to accomplish smooth; Be prone to produce defectives such as burr,, be prone to great quality problems such as broken down if when adopting the solid conductor that uses the paper insulation wrapping to be applied on all kinds of transformers.
In transformer, adopt the paper insulation composite conductor at present usually, wherein the insulation thickness of the single ZB of paper insulation composite conductor (being that the B level is fire-retardant)-0.30,0.45 is big, can satisfy the needs of insulation, but adopt this lead can increase the volume and weight of transformer; The insulation thickness of the single ZB-0.15 of another kind of paper insulation composite conductor is little; Wrapped by one deck insulating paper; But adopt the path quality problems between the lead that rubs wound that insulate take place in this lead transformer manufacture process often; Cause the Transformer Winding coiling to stop work and do over again, greatly reduce production efficiency, improved processing cost.
The utility model content
The utility model technical problem to be solved is to the above-mentioned deficiency that exists in the prior art; The transformer that a kind of Transformer Winding line is provided and adopts said Transformer Winding line; This Transformer Winding line can guarantee the insulation property of lead under the situation that does not increase wire insulation thickness, thereby can improve the quality of winding wire.
The technical scheme that solution the utility model technical problem is adopted is that this Transformer Winding line comprises two or above solid conductor, is coated with electric insulation class lacquer on the said solid conductor.
Preferably, the electric insulation class lacquer that applies on the said solid conductor perhaps adopts other various compound lacquers for polyester lacquer, acetal paint, polyurethane paint, polyester imine resin lacquer or epoxy self-bonding paint.
Preferred said solid conductor adopts copper strap wire.
Preferably, said two or above solid conductor are superimposed together, and the length and width face of two adjacent solid conductors is in contact with one another.
Wherein, said solid conductor adopts the 2-12 root.
Further preferably, this Transformer Winding line also includes insulating barrier, and said insulating barrier is wrapped in said two of being superimposed together or above solid conductor outside.Preferred said insulating barrier adopts insulating paper strip.
Preferably, the film thickness of said electric insulation class lacquer is 0.03mm-0.3mm.
A kind of transformer, it adopts above-mentioned Transformer Winding line.
The beneficial effect of the utility model is:
1) the Transformer Winding line in the utility model not only satisfies the composite conductor requirement, also makes winding wire have high strength, high tack, high-mechanical property and high withstand voltage performance etc., thereby has improved the product quality of Transformer Winding line;
2) the Transformer Winding line in the utility model is owing to need not the coated insulation material on the solid conductor; Thereby can reduce the volume and the weight reduction of transformer greatly; Reduce the use amount of transformer oil and the use amount of various winding insulation materials; Thereby reduced the manufacturing cost of transformer, performance of the production capacity of winding wire and economic benefit have been greatly improved, especially be adapted to adopt in 110kv and the above large oil immersed formula transformer.
Description of drawings
Fig. 1 is the schematic cross-section of solid conductor among the utility model embodiment 1;
Fig. 2 is the structural representation of Transformer Winding line among the utility model embodiment 1;
Fig. 3 is the profile of Transformer Winding line among the utility model embodiment 1;
Fig. 4 is the structural representation of Transformer Winding line among the utility model embodiment 2.
Among the figure: the 1-lead; 2-electric insulation class lacquer; The 3-insulating barrier.
Embodiment
For making those skilled in the art understand the technical scheme of the utility model better, the utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
A kind of Transformer Winding line comprises two or above solid conductor, is coated with electric insulation class lacquer on the said solid conductor.
Preferably, the electric insulation class lacquer that applies on the said solid conductor is polyester lacquer, acetal paint, polyurethane paint, polyester imine resin lacquer or epoxy self-bonding paint.
Be the regulation of " the 4th part: paper insulation composite conductor " of GB/T 7673.4-2008 " paper bag winding wire " according to the document number of State Administration for Quality Supervision and Inspection and Quarantine issue on March 24th, 2008: the core of paper insulation composite conductor is 2 and above flat winding wire (or paper bag copper strap wire); Form broad ways or the overlapping arrangement of leptoprosopy, its insulating barrier is by 3 layers and above insulating paper strip is done overlapping or the gap is wrapped forms.
Embodiment 1:
Like Fig. 2, shown in 3, in the present embodiment, this Transformer Winding line adopts composite conductor, and it comprises the insulating barrier 3 that two solid conductors 1 are outer with being located at two solid conductors.As shown in Figure 1, said solid conductor adopts copper strap wire.
Wide overlapped being superimposed together of said two solid conductors 1, promptly the contact-making surface of two solid conductors 1 is the length and width face of solid conductor.Said insulating barrier 3 is closely wrapped outside two superimposed solid conductors.
Said insulating barrier adopts insulating paper strip.
Be coated with electric insulation class lacquer 2 on the said every solid conductor.Said electric insulation class lacquer can be polyester lacquer, acetal paint, polyurethane paint, polyester imine resin lacquer or epoxy self-bonding paint etc.In the present embodiment, the electric insulation class lacquer that applies on the said solid conductor is acetal paint.
Transformer Winding line in the utility model can be processed through following steps:
1) according to the electrical property of combination single ZB-0.30,0.45 paper insulation thickness, the film thickness of the acetal paint of confirming to apply on the utility model Transformer Winding line, can test and electrician's copper strap wire tested and realizes through the copper bar:
11) copper bar test specifically comprises: test for tensile strength, percentage elongation, and resistivity test.
12) electrician's copper strap wire test specifically comprises: test for tensile strength and resistivity test.
2) enamelled wire test; Promptly carry out a large amount of engineer testings that film thickness applies; Specifically comprise: the tack of paint film and puncture voltage confirm to meet the film thickness of the acetal paint on the Transformer Winding line in the present embodiment according to the electrical property of the single ZB-0.30 paper insulation thickness of combination, carry out a large amount of engineer testings that film thickness applies; According to tack, the puncture voltage of paint film, add up the size of the temperature, viscosity and the mould that meet product requirement etc.After above-mentioned test, the film thickness of the acetal paint that can confirm to apply on the Transformer Winding line in the present embodiment is 0.03mm-0.30mm.
3) two solid conductors that are coated with acetal paint are superimposed together, form one with insulating paper strip is closely wrapped, thereby form the Transformer Winding line.
Shown in Fig. 1-3, be combined into the structural representation of winding wire for solid conductor sectional dimension and solid conductor.
4) the Transformer Winding line is carried out dimensional gaughing;
5) the Transformer Winding line is made an experiment, specifically comprise: withstand voltage test and lead are logical, short circuit test.
Through above-mentioned technical process, evidence, the Transformer Winding line of made can reach product each item performance index in the present embodiment:
Product meets GB/T 7673.4-2008 paper bag winding wire the 4th part: paper insulation composite conductor, withstand voltage test, logical, the short circuit test of lead.
The enamelled wire test method meets the regulation of JB/T 6758.1-2-2007 transposed conductor.
Proof voltage: apply 36V power frequency direct voltage between the adjacent flat wire with paper wrapped in the compound wire, the time is no less than 5s, does not puncture between lead.
Logical, the short circuit test of lead: with universal instrument selector switch to resistance " Ω " scope * 10 grades, regulate pointer scale to " 0 ", measure then, should not have short circuit phenomenon between the paper bag flat type copper wire, same copper strap wire should belong to path.
Conductor welding: meet among the GB/T 7673.1-2008 4.5 regulation.
Resistivity: the copper strap wire conductor resistance rate ρ 20 in the time of 20 ℃ is not more than 0.017241 Ω mm2/m.
The actual withstand voltage test data of this composite conductor (same wire gauge) single insulation contrast as follows:
Get 5 exemplars (the monolateral thickness 0.132mm of exemplar) under the single insulation of the existing Transformer Winding line ZB-0.30 room temperature, proof voltage is respectively: 1060V, 960V, 4000V, 5600V, 1126V.
Get 5 exemplars (the both sides thickness summation 0.110mm of exemplar) under the single insulation room temperature of Transformer Winding line in the present embodiment, proof voltage is respectively: 2683V, 7013V, 5297V, 5418V, 7196V.It is thus clear that the utility model and prior art are under the identical situation of other conditions, its proof voltage ability is average improve 64.22% for winding wire of the prior art.
In practice; In the Coefficients of Large Power Transformer Winding line is produced; Not only require good product quality; Also requirement can enhance productivity, reduces cost, also can eliminate air pollution, so the utility model Transformer Winding line can adopt vertical catalytic combustion burner to process in practice, can improve the quality of production of winding wire so greatly.
It is thus clear that; The utility model Transformer Winding line has that the impact capacity of being heated is strong, the big and urgent overload capability of overload capacity is strong, and is insensitive to humidity, dust, do not ftracture; The characteristics that performance is safe and reliable are specially adapted to the big and filthy moist adverse circumstances of range of load fluctuation.
A kind of transformer, it adopts the Transformer Winding line in the present embodiment.
Embodiment 2:
Present embodiment is with the difference of embodiment 1: the quantity of the solid conductor that is adopted is different.
As shown in Figure 4, in the present embodiment, the solid conductor in this Transformer Winding line adopts three, and said three solid conductors are superimposed together, and the length and width face of two whenever adjacent solid conductors is in contact with one another.
Other structures in the present embodiment are all identical with embodiment 1, repeat no more here.
It is understandable that above execution mode only is the illustrative embodiments that adopts for the principle that the utility model is described, yet the utility model is not limited thereto.For the one of ordinary skilled in the art, under the situation of spirit that does not break away from the utility model and essence, can make various modification and improvement, these modification and improvement also are regarded as the protection range of the utility model.
Claims (10)
1. a Transformer Winding line comprises two or above solid conductor, it is characterized in that, is coated with electric insulation class lacquer on the said solid conductor.
2. Transformer Winding line according to claim 1 is characterized in that, the electric insulation class lacquer that applies on the said solid conductor is polyester lacquer, acetal paint, polyurethane paint, polyester imine resin lacquer or epoxy self-bonding paint.
3. Transformer Winding line according to claim 2 is characterized in that, said solid conductor adopts copper strap wire.
4. Transformer Winding line according to claim 3 is characterized in that, said two or above solid conductor are superimposed together, and the length and width face of two adjacent solid conductors is in contact with one another.
5. Transformer Winding line according to claim 4 is characterized in that, said solid conductor adopts the 2-12 root.
6. Transformer Winding line according to claim 4 is characterized in that, this Transformer Winding line also includes insulating barrier, wrapped said two of being superimposed together or the above solid conductor outside of being formed on of said insulating barrier.
7. Transformer Winding line according to claim 6 is characterized in that, said insulating barrier adopts insulating paper strip.
8. Transformer Winding line according to claim 6 is characterized in that, the film thickness of said electric insulation class lacquer is 0.03mm-0.30mm.
9. Transformer Winding line according to claim 2 is characterized in that, the film thickness of said electric insulation class lacquer is 0.03mm-0.30mm.
10. a transformer includes the Transformer Winding line, it is characterized in that, said Transformer Winding line adopts any described Transformer Winding line of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201082170U CN202563917U (en) | 2012-03-21 | 2012-03-21 | Transformer winding wire and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201082170U CN202563917U (en) | 2012-03-21 | 2012-03-21 | Transformer winding wire and transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202563917U true CN202563917U (en) | 2012-11-28 |
Family
ID=47213545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201082170U Expired - Lifetime CN202563917U (en) | 2012-03-21 | 2012-03-21 | Transformer winding wire and transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202563917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105518807A (en) * | 2013-09-06 | 2016-04-20 | 古河电气工业株式会社 | Flat electric wire, manufacturing method thereof, and electric device |
| CN108242289A (en) * | 2018-01-08 | 2018-07-03 | 广德克莱德新材料技术有限公司 | A kind of semicircle simultaneously closes round conductor and its production method |
-
2012
- 2012-03-21 CN CN2012201082170U patent/CN202563917U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105518807A (en) * | 2013-09-06 | 2016-04-20 | 古河电气工业株式会社 | Flat electric wire, manufacturing method thereof, and electric device |
| CN105518807B (en) * | 2013-09-06 | 2018-05-01 | 古河电气工业株式会社 | Flat electrical wire and its manufacture method and electrical equipment |
| US10325695B2 (en) | 2013-09-06 | 2019-06-18 | Furukawa Electric Co., Ltd. | Rectangular wire, and method of producing the same and electrical equipment using the same |
| CN108242289A (en) * | 2018-01-08 | 2018-07-03 | 广德克莱德新材料技术有限公司 | A kind of semicircle simultaneously closes round conductor and its production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Hui Document name: Notice of expiration and termination of patent right |
|
| DD01 | Delivery of document by public notice |