CN107026006B - 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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- CN107026006B CN107026006B CN201710333610.7A CN201710333610A CN107026006B CN 107026006 B CN107026006 B CN 107026006B CN 201710333610 A CN201710333610 A CN 201710333610A CN 107026006 B CN107026006 B CN 107026006B
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- oil duct
- conducting wires
- insulation
- coiling
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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-immersed transformer field, it is related to a kind of oil-immersed transformer high-voltage coils and its winding method.It the steps include: (1): selecting suitable high-voltage conducting wires, the cardboard cylinder processed and oil duct molded part before high-tension coil coiling；Impregnating varnish is uniformly brushed on cardboard cylinder；(2): first adding end insulation on the cardboard cylinder for brush impregnating varnish, then coiling high-voltage conducting wires, this layer conductor end adds end to insulate；It changes layer to start, first plus layer insulation paper adds end to insulate again, starts this layer conductor of coiling, adds end to insulate in this layer conductor coiling end, layer is then changed, in this approach around making high-tension coil；(3): high-voltage conducting wires coiling is to refueling.Runnability stability requirement when the present invention effectively meets at this stage to grid stability, power supply quality, user power utilization quality and Transformer high-tension line catastrophic failure；Effectively extend transformer life, improves each phase performance of Transformer.
Description
Technical field
The invention belongs to oil-immersed transformer field, it is related to a kind of oil-immersed transformer high-voltage coils and its winding method.
Background technique
At this stage, transformer station high-voltage side bus mid & low-voltage line catastrophic failure is frequent, and low-voltage circuit catastrophic failure must cause low-voltage line
Loop current increased dramatically, and low-voltage line loop pillar is caused to increase to stress, increase so as to cause high-voltage line loop pillar to stress and radial force,
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.
Summary of the invention
The present invention is to make up the deficiencies in the prior art, provides a kind of sound construction, long service life, easy to operate oil immersion
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: the following steps are included:
(1): suitable high-voltage conducting wires, the cardboard cylinder processed and oil duct molded part are selected before high-tension coil coiling；Hard
Impregnating varnish (model: 1038) is uniformly brushed on paper tube.
(2): adding insulation coiling high-voltage conducting wires in beginning end on the cardboard cylinder for brush impregnating varnish, this layer conductor end also adds end
Insulation.Layer is changed to start, first plus layer insulation paper add again beginning end insulate, start this layer conductor of coiling, this layer conductor around
End processed adds end to insulate, and then changes layer, in this approach around making high-tension coil；
(3): when high-voltage conducting wires coiling to oiling channel layer, one is added after the uniform mopping in high-voltage conducting wires surface that this layer is wound
Insulating paper between layer by layer, added this from level to level between insulating paper surface uniformly brush paint after oiling road molded part (oil duct molded part
That is oil duct stay), add 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 add this from level to level between the uniform mopping in insulating paper surface then first plus end insulation then high-voltage conducting wires are wound on this layer
On layer insulation paper, wire end adds end to insulate, and changes layer.
(4): when continuing at coiling to layer second from the bottom, the layer high-voltage conducting wires second from the bottom surface wound uniformly being brushed
Paint, then spreads two layers of layer insulation paper, then in two layers of the layer insulation paper surface mopping completed, and then first plus well end is insulated,
The last layer 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 packet insulation cardboard cylinder, and wrapping is finally stamped outside the cardboard cylinder for adding packet
Band, i.e. tape.
1038 insulating resin paint of impregnating varnish model.
In step (3): when high-voltage conducting wires coiling to oiling channel layer, i.e., at the one third of coil thickness and at 3/4ths
Respectively plus one layer of oil duct molded part, inside and outside two layers oil duct is constituted.
In step (5): the high-tension coil outermost layer wound adds the insulation cardboard cylinder of packet 0.5mm thickness processed.
Oil-immersed transformer high-voltage coils made of winding method coiling of the invention, it is characterised in that: it is by high pressure
Multilayered structure made of conducting wire coiling, innermost layer conducting wire are wound on insulation cardboard cylinder, are brushed with impregnating varnish on the outside of the insulation cardboard cylinder
Layer, the start-up portion and tail portion of each layer conductor are surrounded by end insulation, are lined with layer insulation paper between adjacent two layers conducting wire；Line
Circle is internal to be equipped with oil duct stay, and oil duct is constituted between adjacent two oil duct stays, is lined between conducting wire on the inside of oil duct stay
Layer insulation paper, the outside of the layer insulation paper is brushed with dipping paint layer, and oil duct stay outside, which is brushed with, impregnates paint layer, outside oil duct stay
Also layer insulation paper is lined between side and conducting wire, the outside of the layer insulation paper is brushed with dipping paint layer；High-tension coil outermost layer adds
Packet insulation cardboard cylinder；Wrapping with is tied with outside high-tension coil.
Layer high-voltage conducting wires second from the bottom surface is brushed with dipping paint layer, and sub-high pressure conducting wire second from the bottom and layer last are i.e. most
Two layers of layer insulation paper is lined between outer layer high-voltage conducting wires, layer insulation paper outer surface brush impregnates paint layer.
Oil duct stay is installed respectively at the one third of coil thickness and 3/4ths.
High-tension coil outermost layer adds the insulation cardboard cylinder of packet 0.5mm thickness.
The lead of high-voltage conducting wires, which is lifted one's head, to be arranged at the inner hole of coil.
The beneficial effects of the present invention are: winding method is easy to operate, effectively extend 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 when the catastrophic failure of road.
Detailed description of the invention
Fig. 1 is front view schematic diagram of the invention, and Fig. 2 is the top view illustration of Fig. 1.
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.
Specific embodiment
Attached drawing is a kind of specific embodiment of the invention.
Oil-immersed transformer high-voltage coils winding method of the invention, comprising the following steps:
(1): suitable high-voltage conducting wires, the cardboard cylinder processed and oil duct molded part are selected before high-tension coil coiling；Hard
Impregnating varnish (model: 1038) is uniformly brushed on paper tube.
(2): adding insulation coiling high-voltage conducting wires in beginning end on the cardboard cylinder for brush impregnating varnish, this layer conductor end also adds end
Insulation.Layer is changed to start, first plus layer insulation paper add again beginning end insulate, start this layer conductor of coiling, this layer conductor around
End processed adds end to insulate, and then changes layer, in this approach around making high-tension coil；
(3): when high-voltage conducting wires coiling to oiling channel layer, one is added after the uniform mopping in high-voltage conducting wires surface that this layer is wound
Insulating paper between layer by layer, added this from level to level between insulating paper surface uniformly brush oiling road molded part after paint, add it is good after oil
The uniform mopping in road surface, brush paint oil duct surface add from level to level again between insulating paper, oil duct surface add this from level to level between insulate
The uniform mopping in paper surface, 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 insulation, changes layer.
(4): when continuing at coiling to layer second from the bottom, the layer high-voltage conducting wires second from the bottom surface wound uniformly being brushed
Paint, then spreads two layers of layer insulation paper, then in two layers of the layer insulation paper surface mopping completed, and then first plus well end is insulated,
The last layer 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 insulation cardboard cylinder of packet 0.5mm thickness processed, and is finally adding packet
Binder, i.e. tape are stamped outside the cardboard cylinder of 0.5mm thickness.
1038 insulating resin paint of impregnating varnish model.
In step (3): when high-voltage conducting wires coiling to oiling channel layer, i.e., at the one third of coil thickness and at 3/4ths
Respectively plus one layer of oil duct molded part, inside and outside two layers oil duct is constituted.
Oil-immersed transformer high-voltage coils made of winding method coiling of the invention, it be by 3 coiling of high-voltage conducting wires and
At multilayered structure, innermost layer conducting wire is wound on insulation cardboard cylinder 5, brushed with dipping paint layer, each layer on the outside of insulation cardboard cylinder
The start-up portion and tail portion of conducting wire are surrounded by end insulation 6, are lined with layer insulation paper between adjacent two layers conducting wire；Coil inside peace
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 inside and conducting wire
Edge paper 7, the outside of the layer insulation paper is brushed with dipping paint layer 4, brushed with dipping paint layer on the outside of oil duct stay, on the outside of oil duct stay with
Also layer insulation paper 7 is lined between conducting wire, the outside of the layer insulation paper is brushed with dipping paint layer；High-tension coil outermost layer adds packet
The insulation cardboard cylinder of 0.5mm thickness；Wrapping with is tied with outside high-tension coil.
Layer high-voltage conducting wires second from the bottom surface is brushed with dipping paint layer, and sub-high pressure conducting wire second from the bottom and layer last are i.e. most
Two layers of layer insulation paper is lined between outer layer high-voltage conducting wires, layer insulation paper outer surface brush impregnates paint layer.
Oil duct stay is installed respectively at the one third 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 inner hole of coil.
Oil duct stay 8 is mounted on inside high-tension coil by oil passage stripe fixed plate.
Claims (1)
1. a kind of oil-immersed transformer high-voltage coils, it is characterised in that: it is the multilayer knot as made of high-voltage conducting wires (3) coiling
Structure, innermost layer conducting wire are wound in insulation cardboard cylinder (5), brushed with dipping paint layer, the beginning of each layer conductor on the outside of the insulation cardboard cylinder
End and end are surrounded by end insulation (6), are lined with layer insulation paper between adjacent two layers conducting wire；Coil inside is equipped with oil duct molding
Part, i.e. oil duct stay constitute oil duct (2) between adjacent two oil duct stays, are lined with interlayer between conducting wire on the inside of oil duct stay
Insulating paper (7), the outside of the layer insulation paper is brushed with dipping paint layer (4), and oil duct stay outside is brushed with dipping paint layer, oil duct stay
It is also lined between outside and conducting wire layer insulation paper (7), the outside of the layer insulation paper is brushed with dipping paint layer；High-tension coil is outermost
Layer plus packet insulation cardboard cylinder；Wrapping with is tied with outside high-tension coil；
The lead of high-voltage conducting wires lift one's head (1) be arranged at the inner hole of coil；
High-tension coil outermost layer adds the insulation cardboard cylinder of packet 0.5mm thickness；
Oil duct stay is mounted on inside high-tension coil by oil passage stripe fixed plate；
Layer high-voltage conducting wires second from the bottom surface is brushed with dipping paint layer, layer high-voltage conducting wires second from the bottom and layer last, that is, outermost
Two layers of layer insulation paper is lined between layer high-voltage conducting wires, layer insulation paper outer surface brush impregnates paint layer；
Oil duct stay is installed respectively at the one third of coil thickness and 3/4ths；
The oil-immersed transformer high-voltage coils, preparation method includes the following steps:
(1) suitable high-voltage conducting wires, the cardboard cylinder processed and oil duct molded part are selected before high-tension coil coiling；On cardboard cylinder
Uniformly brush impregnating varnish；1038 insulating resin paint of impregnating varnish model；
(2) add insulation coiling high-voltage conducting wires in beginning end on the cardboard cylinder for brush impregnating varnish, this layer conductor end also adds end to insulate；
It changes layer to start, first plus layer insulation paper adds beginning end to insulate again, starts this layer conductor of coiling, in this layer conductor coiling end
Add end to insulate, then change layer, in this approach around making high-tension coil；
(3) when 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 interlayer is exhausted
Edge paper, the oiling road molded part after the layer insulation paper surface added uniformly brushes paint, the oil duct surface of shaped parts after adding well are equal
Even mopping, the oil duct surface of shaped parts for brushing paint add 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 beginning 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；When high-voltage conducting wires coiling to oiling channel layer, i.e., add one layer of oil duct at the one third of coil thickness and at 3/4ths respectively
Molded part constitutes inside and outside two layers oil duct；
(4) when continuing at coiling to layer second from the bottom, the layer high-voltage conducting wires second from the bottom surface wound is 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 beginning end, then the 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 the insulation cardboard cylinder of packet 0.5mm thickness, finally stamps outside the cardboard cylinder for adding packet
Binder, i.e. tape.
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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN107026006A CN107026006A (en) | 2017-08-08 |
| CN107026006B true CN107026006B (en) | 2019-06-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN109637894B (en) * | 2018-12-10 | 2020-04-28 | 中国电子科技集团公司第四十研究所 | Self-locking binding method for 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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- 2017-05-12 CN CN201710333610.7A patent/CN107026006B/en active Active
Patent Citations (5)
| 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 |
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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 |