CN107026006A - A kind of oil-immersed transformer high-voltage coils and its winding method - Google Patents
A kind of oil-immersed transformer high-voltage coils and its winding method Download PDFInfo
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- CN107026006A CN107026006A CN201710333610.7A CN201710333610A CN107026006A CN 107026006 A CN107026006 A CN 107026006A CN 201710333610 A CN201710333610 A CN 201710333610A CN 107026006 A CN107026006 A CN 107026006A
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- Prior art keywords
- layer
- oil
- insulation
- coiling
- oil duct
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- 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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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/122—Insulating between turns or between winding layers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulating Of Coils (AREA)
Abstract
The invention belongs to oil-filled transformer field, it is related to a kind of oil-immersed transformer high-voltage coils and its winding method.Its step is：（1）：Suitable high-voltage conducting wires, the cardboard cylinder processed and oil duct molding part are selected before high-tension coil coiling；Uniformly impregnating varnish is brushed on cardboard cylinder；（2）：First add end insulation on the cardboard cylinder for brush impregnating varnish, then coiling high-voltage conducting wires, this layer conductor end adds end to insulate；Change layer to start, first plus layer insulation paper adds end to insulate again, start coiling this layer conductor, add end to insulate in this layer conductor coiling end, then change layer, in this approach around making high-tension coil；（3）：High-voltage conducting wires coiling is to refueling.The runnability stability requirement of the invention effectively met at this stage during to grid stability, power supply quality, user power utilization quality and Transformer high-tension line catastrophic failure；Effectively extension transformer life, improves each phase performance of Transformer.
Description
Technical field
The invention belongs to oil-filled transformer field, it is related to a kind of oil-immersed transformer high-voltage coils and its winding method.
Background technology
At this stage, frequently, low-voltage circuit catastrophic failure must cause low-voltage line to transformer station high-voltage side bus mid ＆ low-voltage line catastrophic failure
Loop current increased dramatically, and cause low-voltage line loop pillar to be increased to stress, so that cause high-voltage line loop pillar to be increased to stress and radial load,
Cause inside transformer by acute big stress deformation damage until transformer is damaged.For meet at this stage to grid stability,
The runnability stability requirement of power supply quality, user power utilization quality and transformer station high-voltage side bus mid ＆ low-voltage line catastrophic failure.Spy's research and development
A kind of winding method of transformer high-voltage coil.
The content of the invention
There is provided a kind of sound construction, service life length, easy to operate oil immersion to make up the deficiencies in the prior art by the present invention
Formula transformer high-voltage coil and its winding method.
The present invention is realized by following technical method：
A kind of oil-immersed transformer high-voltage coils winding method, it is characterised in that：Comprise the following steps：
（1）：Suitable high-voltage conducting wires, the cardboard cylinder processed and oil duct molding part are selected before high-tension coil coiling；In cardboard cylinder
On uniformly brush impregnating varnish（Model：1038）.
（2）：Add insulation coiling high-voltage conducting wires in top end on the cardboard cylinder for brush impregnating varnish, this layer conductor end also adds end
Insulation.Change layer to start, first plus layer insulation paper adds top end to insulate again, start coiling this layer conductor, this layer conductor around
End processed adds end to insulate, and then changes layer, in this approach around making high-tension coil；
（3）：During high-voltage conducting wires coiling to oiling channel layer, after the uniform mopping in high-voltage conducting wires surface that this layer is wound plus from level to level
Between insulating paper, added this from level to level between insulating paper surface uniformly brush paint after oiling road molding part（Oil duct molding part is oil
Road stay）, plus it is good after the uniform mopping in oil duct surface, brush paint oil duct surface add from level to level again between insulating paper, oil duct surface
Plus this from level to level between the uniform mopping in insulating paper surface, then first plus end insulation, then between high-voltage conducting wires are wound on this from level to level
On insulating paper, wire end adds end to insulate, and changes layer.
（4）：When continuing at coiling to layer second from the bottom, the floor height second from the bottom pressure conductive line surfaces wound are uniformly brushed
Paint, then spreads two layers of layer insulation paper, then in two layers of the layer insulation paper surface mopping completed, then first plus well end is insulated,
Last layer of high-voltage conducting wires are wound on again the layer insulation paper surface for brushing paint, wire end adds end to insulate.
（5）：The high-tension coil outermost layer wound adds bag insulation cardboard cylinder, and wrapping is finally stamped outside the cardboard cylinder for adding bag
Band, i.e. tape.
The insulating resin paint of impregnating varnish model 1038.
Step（3）In：During high-voltage conducting wires coiling to oiling channel layer, i.e., at 1/3rd of coil thickness and at 3/4ths
Respectively plus one layer of oil duct molding part, inside and outside two layers oil duct is constituted.
Step（5）In：The high-tension coil outermost layer wound adds the thick insulation cardboard cylinders processed of bag 0.5mm.
The oil-immersed transformer high-voltage coils of the winding method coiling of the present invention, it is characterised in that：It is by high pressure
The sandwich construction of wire coiling, innermost layer wire is wound on insulation cardboard cylinder, and impregnating varnish is brushed with the outside of the insulation cardboard cylinder
Layer, the start-up portion and tail portion of each layer conductor, which are surrounded by between end insulation, adjacent two layers wire, is lined with layer insulation paper；Line
Internal be provided between oil duct stay, adjacent two oil duct stays of circle constitutes oil duct, is lined with the inside of oil duct stay between wire
It is brushed with the outside of dipping enamelled coating, oil duct stay and is brushed with outside dipping enamelled coating, oil duct stay on the outside of layer insulation paper, the layer insulation paper
Also layer insulation paper is lined between side and wire, dipping enamelled coating is brushed with the outside of the layer insulation paper；High-tension coil outermost layer adds
Bag insulation cardboard cylinder；Wrapping with is tied with outside high-tension coil.
Floor height pressure conductive line surfaces second from the bottom are brushed with dipping enamelled coating, and sub-high pressure wire second from the bottom and layer last are most
Two layers of layer insulation paper, layer insulation paper outer surface brush dipping enamelled coating are lined between outer layer high-voltage conducting wires.
Oil duct stay is respectively mounted at 1/3rd of coil thickness and 3/4ths.
High-tension coil outermost layer adds the thick insulation cardboard cylinders of bag 0.5mm.
The lead of high-voltage conducting wires, which is lifted one's head, to be arranged at the endoporus of coil.
The beneficial effects of the invention are as follows：Winding method is simple to operate, effectively extends transformer life, improves transformer station high-voltage side bus
In properties.Meet at this stage to grid stability, power supply quality, user power utilization quality and Transformer low-voltage line
Runnability stability requirement during the catastrophic failure of road.
Brief description of the drawings
Fig. 1 is the front view schematic diagram of the present invention, and Fig. 2 is Fig. 1 top view schematic diagram.
In figure, 1 lead is lifted one's head, 2 oil ducts, 3 high-voltage conducting wires, 4 lacquer coats, 5 insulating paper cylinders, the insulation of 6 ends, 7 layer insulation paper,
8 oil duct stays.
Embodiment
Accompanying drawing is a kind of specific embodiment of the invention.
The oil-immersed transformer high-voltage coils winding method of the present invention, comprises the following steps：
（1）：Suitable high-voltage conducting wires, the cardboard cylinder processed and oil duct molding part are selected before high-tension coil coiling；In cardboard cylinder
On uniformly brush impregnating varnish（Model：1038）.
（2）：Add insulation coiling high-voltage conducting wires in top end on the cardboard cylinder for brush impregnating varnish, this layer conductor end also adds end
Insulation.Change layer to start, first plus layer insulation paper adds top end to insulate again, start coiling this layer conductor, this layer conductor around
End processed adds end to insulate, and then changes layer, in this approach around making high-tension coil；
（3）：During high-voltage conducting wires coiling to oiling channel layer, after the uniform mopping in high-voltage conducting wires surface that this layer is wound plus from level to level
Between insulating paper, added this from level to level between insulating paper surface uniformly brush oiling road molding part after paint, plus it is good after oil duct table
The uniform mopping in face, brush paint oil duct surface add from level to level again between insulating paper, oil duct surface add this from level to level between insulating paper table
The uniform mopping in face, then first plus end insulation, then high-voltage conducting wires be wound on this from level to level between on insulating paper, wire end adds end exhausted
Edge, changes layer.
（4）：When continuing at coiling to layer second from the bottom, the floor height second from the bottom pressure conductive line surfaces wound are uniformly brushed
Paint, then spreads two layers of layer insulation paper, then in two layers of the layer insulation paper surface mopping completed, then first plus well end is insulated,
Last layer of high-voltage conducting wires are wound on again the layer insulation paper surface for brushing paint, wire end adds end to insulate.
（5）：The high-tension coil outermost layer wound adds the thick insulation cardboard cylinders processed of bag 0.5mm, is finally adding bag
Binder, i.e. tape are stamped outside cardboard cylinder thick 0.5mm.
The insulating resin paint of impregnating varnish model 1038.
Step（3）In：During high-voltage conducting wires coiling to oiling channel layer, i.e., at 1/3rd of coil thickness and at 3/4ths
Respectively plus one layer of oil duct molding part, inside and outside two layers oil duct is constituted.
The oil-immersed transformer high-voltage coils of the winding method coiling of the present invention, it is by the coiling of high-voltage conducting wires 3
Into sandwich construction, innermost layer wire is wound on insulation cardboard cylinder 5, is brushed with dipping enamelled coating, each layer on the outside of the insulation cardboard cylinder
The start-up portion and tail portion of wire are surrounded by between end insulation 6, adjacent two layers wire and are lined with layer insulation paper；Coil inside is pacified
Equipped with oil duct stay 8, oil duct 2 is constituted between adjacent two oil duct stays, it is exhausted to be lined with interlayer between oil duct stay inner side and wire
Dipping enamelled coating 4 is brushed with the outside of edge paper 7, the layer insulation paper, be brushed with the outside of oil duct stay on the outside of dipping enamelled coating, oil duct stay with
Also layer insulation paper 7 is lined between wire, dipping enamelled coating is brushed with the outside of the layer insulation paper；High-tension coil outermost layer adds bag
Insulation cardboard cylinder thick 0.5mm；Wrapping with is tied with outside high-tension coil.
Floor height pressure conductive line surfaces second from the bottom are brushed with dipping enamelled coating, and sub-high pressure wire second from the bottom and layer last are most
Two layers of layer insulation paper, layer insulation paper outer surface brush dipping enamelled coating are lined between outer layer high-voltage conducting wires.
Oil duct stay is respectively mounted at 1/3rd of coil thickness and 3/4ths.
The lead of high-voltage conducting wires, which is lifted one's head, 1 to be arranged at the endoporus of coil.
Oil duct stay 8 is arranged on inside high-tension coil by oil passage stripe fixed plate.
Claims (9)
1. a kind of oil-immersed transformer high-voltage coils winding method, it is characterised in that：Comprise the following steps：
（1）Suitable high-voltage conducting wires, the cardboard cylinder processed and oil duct molding part are selected before high-tension coil coiling；On cardboard cylinder
Uniformly brush impregnating varnish；
（2）Add insulation coiling high-voltage conducting wires in top end on the cardboard cylinder for brush impregnating varnish, this layer conductor end also adds end to insulate；
Change layer to start, first add layer insulation paper to add top end to insulate again, this layer conductor of beginning coiling, in this layer conductor coiling end
Plus end insulation, layer is then changed, in this approach around making high-tension coil；
（3）During high-voltage conducting wires coiling to oiling channel layer, add interlayer exhausted after the uniform mopping in high-voltage conducting wires surface that this layer is wound
Edge paper, uniformly brushes oiling road molding part after paint on the layer insulation paper surface added, plus it is good after oil duct surface of shaped parts it is equal
Even mopping, the oil duct surface of shaped parts for brushing paint adds layer insulation paper again, and the layer insulation paper surface that oil duct surface adds uniformly is brushed
Paint, then first plus the insulation of top end, then high-voltage conducting wires be wound on this layer by layer between on insulating paper, wire end adds end to insulate, and changes
Layer；
（4）When continuing at coiling to layer second from the bottom, the floor height second from the bottom pressure conductive line surfaces wound are uniformly brushed paint, then
Layer insulation paper is spread, then in the layer insulation paper surface mopping completed, then first adds the insulation of good top end, then last layer
High-voltage conducting wires are wound on the layer insulation paper surface for brushing paint, and wire end adds end to insulate；
（5）The high-tension coil outermost layer wound adds bag insulation cardboard cylinder, finally stamps binder outside the cardboard cylinder for adding bag, i.e.,
Tape.
2. oil-immersed transformer high-voltage coils winding method according to claim 1, it is characterised in that：Impregnating varnish model
1038 insulating resin paints.
3. oil-immersed transformer high-voltage coils winding method according to claim 1, it is characterised in that：Step（3）In：It is high
When pressing wire coiling to oiling channel layer, i.e., add one layer of oil duct shaping at 1/3rd of coil thickness and at 3/4ths respectively
Part, constitutes inside and outside two layers oil duct.
4. oil-immersed transformer high-voltage coils winding method according to claim 1, it is characterised in that：Step（5）In：Around
Good high-tension coil outermost layer adds the thick insulation cardboard cylinders processed of bag 0.5mm.
5. a kind of oil-immersed transformer high-voltage coils of the winding method coiling described in claim 1, it is characterised in that：It
It is by high-voltage conducting wires（3）The sandwich construction of coiling, innermost layer wire is wound on insulation cardboard cylinder（5）On, the insulation cardboard cylinder
Outside is brushed with dipping enamelled coating, and the top and end of each layer conductor are surrounded by end insulation（6）, interlayer is lined between adjacent two layers wire
Insulating paper；Coil inside is provided between oil duct molding part, i.e. oil duct stay, adjacent two oil duct stays and constitutes oil duct（2）, oil
On the inside of road stay layer insulation paper is lined between wire（7）, dipping enamelled coating is brushed with the outside of the layer insulation paper（4）, oil duct
It is brushed with the outside of stay on the outside of dipping enamelled coating, oil duct stay and is also lined with layer insulation paper between wire（7）, the layer insulation paper
Outside is brushed with dipping enamelled coating；High-tension coil outermost layer adds bag insulation cardboard cylinder；Wrapping with is tied with outside high-tension coil.
6. oil-immersed transformer high-voltage coils according to claim 4, it is characterised in that：Floor height second from the bottom presses wire table
Face is brushed with dipping enamelled coating, and sub-high pressure wire and layer last second from the bottom are to be lined with two layers of interlayer between outermost layer high-voltage conducting wires
Insulating paper, layer insulation paper outer surface brush dipping enamelled coating.
7. oil-immersed transformer high-voltage coils according to claim 4, it is characterised in that：1/3rd of coil thickness
With 3/4ths at be respectively mounted oil duct stay.
8. oil-immersed transformer high-voltage coils according to claim 4, it is characterised in that：The lead of high-voltage conducting wires is lifted one's head
（1）It is arranged at the endoporus of coil.
9. oil-immersed transformer high-voltage coils according to claim 4, it is characterised in that：High-tension coil outermost layer adds bag
Insulation cardboard cylinder thick 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710333610.7A CN107026006B (en) | 2017-05-12 | 2017-05-12 | A kind of oil-immersed transformer high-voltage coils and its winding method |
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|---|---|---|---|
| CN201710333610.7A CN107026006B (en) | 2017-05-12 | 2017-05-12 | A kind of oil-immersed transformer high-voltage coils and its winding method |
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| Publication Number | Publication Date |
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| CN107026006A true CN107026006A (en) | 2017-08-08 |
| CN107026006B CN107026006B (en) | 2019-06-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895639A (en) * | 2017-09-29 | 2018-04-10 | 山东达驰电气有限公司 | Multi-layer cylindrical coil and its preparation technology |
| CN109637894A (en) * | 2018-12-10 | 2019-04-16 | 中国电子科技集团公司第四十研究所 | A kind of self-locking wrapping method of relay coil |
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| CN101145443A (en) * | 2007-07-27 | 2008-03-19 | 中电电气集团有限公司 | Amorphous alloy transformer coil winding method |
| CN101388278A (en) * | 2008-07-04 | 2009-03-18 | 济南第二变压器厂有限公司 | Three-phase oil immersion electric power transformer |
| CN101692408A (en) * | 2009-09-21 | 2010-04-07 | 保定天威集团有限公司 | Method for hybrid major insulation of oil immersed transformer |
| CN202996545U (en) * | 2012-12-18 | 2013-06-12 | 海南威特电气集团有限公司 | Continuous coil for longitudinal oil ways of power transformers |
| CN106601447A (en) * | 2017-01-19 | 2017-04-26 | 国家电网公司 | Oil-immersed transformer low-voltage winding structure adopting transposed conductors |
| CN207038317U (en) * | 2017-05-12 | 2018-02-23 | 山东驰翔电气有限公司 | A kind of oil-immersed transformer high-voltage coils |
-
2017
- 2017-05-12 CN CN201710333610.7A patent/CN107026006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145443A (en) * | 2007-07-27 | 2008-03-19 | 中电电气集团有限公司 | Amorphous alloy transformer coil winding method |
| CN101388278A (en) * | 2008-07-04 | 2009-03-18 | 济南第二变压器厂有限公司 | Three-phase oil immersion electric power transformer |
| CN101692408A (en) * | 2009-09-21 | 2010-04-07 | 保定天威集团有限公司 | Method for hybrid major insulation of oil immersed transformer |
| CN202996545U (en) * | 2012-12-18 | 2013-06-12 | 海南威特电气集团有限公司 | Continuous coil for longitudinal oil ways of power transformers |
| CN106601447A (en) * | 2017-01-19 | 2017-04-26 | 国家电网公司 | Oil-immersed transformer low-voltage winding structure adopting transposed conductors |
| CN207038317U (en) * | 2017-05-12 | 2018-02-23 | 山东驰翔电气有限公司 | A kind of oil-immersed transformer high-voltage coils |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895639A (en) * | 2017-09-29 | 2018-04-10 | 山东达驰电气有限公司 | Multi-layer cylindrical coil and its preparation technology |
| CN109637894A (en) * | 2018-12-10 | 2019-04-16 | 中国电子科技集团公司第四十研究所 | A kind of self-locking wrapping method of relay coil |
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| Publication number | Publication date |
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| CN107026006B (en) | 2019-06-14 |
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Address after: 274200, Shandong province Heze County Chengwu eastern suburbs Industrial Park Patentee after: Shandong Dachi Chixiang Electric Co., Ltd. Address before: 274200 South of Xiannongtan Street, Chengwu County, Heze City, Shandong Province Patentee before: Shandong Chi Xiang Electric Applicance Co., Ltd |