CN109326426A - A kind of AT power supply tractive transformer low-voltage coil structure and winding method - Google Patents
A kind of AT power supply tractive transformer low-voltage coil structure and winding method Download PDFInfo
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- CN109326426A CN109326426A CN201710648284.9A CN201710648284A CN109326426A CN 109326426 A CN109326426 A CN 109326426A CN 201710648284 A CN201710648284 A CN 201710648284A CN 109326426 A CN109326426 A CN 109326426A
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- 238000004804 winding Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 87
- 238000001035 drying Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 12
- 238000002788 crimping Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000004018 waxing Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
-
- 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
- H01F41/06—Coil winding
- H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The present invention relates to a kind of AT power supply tractive transformer low-voltage coil structure and winding methods, with the first low-voltage coil and the second low-voltage coil, second low-voltage line snare on the outside of the first low-voltage coil, insulate equipped with lower end by the second low-voltage coil and the first low-voltage coil bottom；First low-voltage coil inner ring is equipped with the first interior insulation cylinder and the first inner bracing strip, and the first outer stay, the second interior insulation cylinder and the second inner bracing strip are equipped between the second low-voltage coil and the first low-voltage coil；Second low-voltage coil is externally provided with the second outer stay.The present invention using two low-voltage coils system around method, guarantee the degree of packing between two low-voltage coils, improve the anti-short circuit capability of product, meet the operation characteristic of the frequent short circuit of tractive transformer, reduce the workload of each process simultaneously, reduces manufacturing cost, enhance product performance, the cost for reducing product improves the benefit of enterprise.
Description
Technical field
The present invention relates to a kind of tractive transformer manufacturing technology, specially a kind of AT power supply tractive transformer low-voltage coil
Structure and winding method.
Background technique
The tractive transformer of AT power supply generallys use two independent single-phase traction transformers and forms one in external cabling
Three-phase electric traction transformer group.Respectively there are two low-voltage coils for the secondary side of each single-phase traction transformer: low-voltage coil 1 and low pressure
Coil 2.Currently, the low-voltage coil of the power supply mode by the way of coiling respectively, individually pressurizes, then arranged by coil suitable
Sequence is set with one by one.Such structure, it cannot be guaranteed that the degree of packing between two low-voltage coils, cannot reliably meet traction voltage transformation
The operation characteristic of the frequent short circuit of device, while the smooth suit in order to guarantee coil, need to increase between two low-voltage coils away from
From, provide packaging clearance, copper consumption is more, increase cost.
Summary of the invention
For AT in the prior art power supply tractive transformer low-voltage coil due to respectively coiling, it cannot be guaranteed that two are low
The degree of packing between crimping circle, the deficiencies of being unable to satisfy tractive transformer frequent short circuit operation, the problem to be solved in the present invention is
There is provided it is a kind of can guarantee two low-voltage coils between the degree of packing, cancel low-voltage coil between packaging clearance, meet traction become
The AT power supply tractive transformer low-voltage coil structure and winding method that the frequent short circuit operation of depressor requires.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of AT power supply tractive transformer low-voltage coil structure of the present invention, has the first low-voltage coil and the second low-voltage line
Circle, for the second low-voltage line snare on the outside of the first low-voltage coil, the second low-voltage coil and the first low-voltage coil bottom are equipped with lower end
Insulation；First low-voltage coil inner ring is equipped with the first interior insulation cylinder and the first inner bracing strip, the second low-voltage coil and the first low-voltage coil
Between be equipped with the first outer stay, the second interior insulation cylinder and the second inner bracing strip；Second low-voltage coil is externally provided with the second outer stay.
The first lower end insulation and first of the first low-voltage coil is equipped between the first low-voltage coil and lower end insulation
Second lower end of low-voltage coil insulate, and the of the second low-voltage coil is equipped between the second low-voltage coil and lower end insulation
Second lower end of the insulation of one lower end and the second low-voltage coil insulate；It is exhausted that first low-voltage coil top is equipped with the first upper end
Edge, the second low-voltage coil top are insulated equipped with the second upper end.
First low-voltage coil be a continous way left side around to, the second low-voltage coil be it is spiral it is right around to.
First low-voltage coil and the second low-voltage coil height are consistent.
A kind of winding method of AT power supply tractive transformer low-voltage coil of the present invention, comprising the following steps:
Insulating part enters the dry pretreatment of furnace；
The first low-voltage coil of coiling carries out Constant pressure drying processing after the completion of coiling；
The second low-voltage coil of coiling outside the first low-voltage coil individually carries out Constant pressure drying processing after the completion of coiling；
It comes out of the stove after the completion of the processing of second low-voltage coil Constant pressure drying, the first low-voltage coil and the second low-voltage coil are outside furnace
It pressurizes together, keeps the height of two low-voltage coils consistent.
Insulating part includes the first interior insulation cylinder, the first inner bracing strip, the first low-voltage coil set on the first low-voltage coil inner ring
The first lower end insulation, the first low-voltage coil the second lower end insulation, lower end insulation, be set to the first low-voltage coil on
The first upper end insulation in portion, the first outer stay set on the first low-voltage coil outer ring, the set on the second low-voltage coil inner ring
Two interior insulation cylinders, the second inner bracing strip, the second low-voltage coil the first lower end insulation, the second low-voltage coil the second lower end
Insulation, the second upper end set on the second low-voltage coil upper end insulate and outside the second of the second low-voltage coil outer ring
Stay.
First interior insulation cylinder and the first inner bracing strip are bonded before entering furnace drying；Second interior insulation cylinder open-ended.
The first low-voltage coil of coiling, step are as follows:
Finished product after first the first interior insulation cylinder and the first inner bracing strip are glued and dried covers on winding former, puts first well
The first lower end insulation of low-voltage coil, the second lower end insulation of the first low-voltage coil and lower end insulation；
Using continous way, left around to the first low-voltage coil of coiling；
After first low-voltage coil coiling is complete, the insulation of the first upper end is placed, Constant pressure drying processing is carried out；
Height adjustment is upper vertical around machine winding former stretching to after meeting drawing requirement, places the first outer stay, and the
One outer stay outer diameter fills wax.
The second low-voltage coil of coiling, step outside the first low-voltage coil are as follows:
Outside the first low-voltage coil, the second interior insulation cylinder for setting the second low-voltage coil is enclosed, is overlapped the second insulating cylinder with glue
It cements, is overlapped on the first outer stay；
Viscous second inner bracing strip guarantees the second inner bracing strip and the first outer stay to just；
The waxing of second inner bracing strip outer diameter places the first lower end insulation of the second low-voltage coil and sets the second low-voltage coil
The second lower end insulation；
Using spiral, right around to the second low-voltage coil of coiling；
After second low-voltage coil coiling is complete, the second upper end insulation of the second low-voltage coil is placed.
The method of the present invention is further comprising the steps of:
First low-voltage coil and the second low-voltage coil be after pressurization is come out of the stove together outside furnace, places the T the of the second low-voltage coil
Two outer stays.
The invention has the following beneficial effects and advantage:
1. the present invention using two low-voltage coils system around method, guarantee the degree of packing between two low-voltage coils, improve
The anti-short circuit capability of product meets the operation characteristic of the frequent short circuit of tractive transformer, meanwhile, reduce the workload of each process,
Manufacturing cost is reduced, enhances product performance, reduces the cost of product, improve the benefit of enterprise.
2. reducing the distance between coil present invention eliminates the packaging clearance between low-voltage coil, transformer copper is reduced
Design cost is saved in line weight and material consumption.
Detailed description of the invention
Fig. 1 is AT power supply tractive transformer low-voltage coil structure schematic diagram of the invention.
Wherein, 1 be the first low-voltage coil, 2 be the second low-voltage coil, 3 be the first interior insulation cylinder, 4 be the first inner bracing strip, 5
For the first low-voltage coil the first lower end insulation, 6 be the first low-voltage coil the second lower end insulation, 7 for lower end it is exhausted
Edge, 8 insulate for the first upper end, and 9 be the first outer stay, and 10 be the second interior insulation cylinder, and 11 be the second inner bracing strip, and 12 be second
First lower end of low-voltage coil insulate, and 13 insulate for the second lower end of the second low-voltage coil, and 14 is exhausted for the second upper end
Edge, 15 be the second outer stay.
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawings of the specification.
The tractive transformer low-voltage coil structure as shown in Figure 1, a kind of AT of the present invention powers, has 1 He of the first low-voltage coil
Second low-voltage coil 2, the second 2 sets of low-voltage coil is in 1 outside of the first low-voltage coil, the second low-voltage coil 2 and the first low-voltage coil
1 bottom is equipped with lower end insulation 7；First low-voltage coil, 1 inner ring is equipped with the first interior insulation cylinder 3 and the first inner bracing strip 4, and second is low
The first outer stay 9, the second interior insulation cylinder 10 and the second inner bracing strip 11 are equipped between crimping circle 2 and the first low-voltage coil 1；The
Two low-voltage coils 2 are externally provided with the second outer stay 15.
The first low-voltage coil 1 and lower end insulation between 7 be equipped with the first low-voltage coil the first lower ends insulation 5 and
The second lower end insulation 6 of first low-voltage coil is equipped with the second low-voltage line between the second low-voltage coil 2 and lower end insulation 7
The first lower end insulation 12 of circle and the second lower end insulation 13 of the second low-voltage coil；First low-voltage coil, 1 top is equipped with the
One upper end insulation 8,2 top of the second low-voltage coil are equipped with the second upper end insulation 14.
First low-voltage coil 1 be a continous way left side around to, the second low-voltage coil 2 be it is spiral it is right around to；First low-voltage coil
1 is consistent with 2 height of the second low-voltage coil.
The loop construction that the present invention uses guarantees the degree of packing between two low-voltage coils, enhances the resistance to shorting of product
Ability, on the premise of ensuring performance, save the cost are reduced work hours, and the operation characteristic of the frequent short circuit of tractive transformer is met.
The winding method of present invention AT power supply tractive transformer low-voltage coil a kind of the following steps are included:
Insulating part enters the dry pretreatment of furnace；
The first low-voltage coil of coiling 1 carries out Constant pressure drying processing after the completion of coiling；
Constant pressure drying processing is individually carried out after the completion of outer the second low-voltage coil of coiling 2 of the first low-voltage coil 1, coiling；
It comes out of the stove after the completion of the processing of second low-voltage coil, 2 Constant pressure drying, the first low-voltage coil 1 and the second low-voltage coil are in furnace
It pressurizes together outside, keeps the height of two low-voltage coils consistent.
In the present embodiment, before 1 coiling of the first low-voltage coil, insulating part need to be entered to furnace drying process, including be set to first
The first lower end insulation 5, first of the first interior insulation cylinder 3, the first inner bracing strip 4, the first low-voltage coil of 1 inner ring of low-voltage coil
Low-voltage coil the second lower end insulation 6, lower end insulation 7, set on the first low-voltage coil top the first upper end insulation 8,
The first outer stay 9 set on 1 outer ring of the first low-voltage coil, the second interior insulation cylinder 10 set on 2 inner ring of the second low-voltage coil,
Two inner bracing strips 11, the second low-voltage coil the first lower end insulate the 12, second low-voltage coil the second lower end insulation 13, set
In the second upper end insulation 14 of 2 upper end of the second low-voltage coil and the second outer stay set on 2 outer ring of the second low-voltage coil
15.Wherein the first interior insulation cylinder 3, the first inner bracing strip 4 need to glue in advance, 10 open-ended of the second interior insulation cylinder.
In coiling, the finished product after first the first interior insulation cylinder 3 and the first inner bracing strip 4 are glued, dried is covered in winding former
On, it puts the second lower end insulation 6 and lower end insulation 7 of the first lower end the 5, first low-voltage coil of insulation well, starts to use
It is continous way, left around to the first low-voltage coil of coiling；
First low-voltage coil 1 places the first upper end insulation 8, carries out Constant pressure drying processing, height adjustment is extremely after complete
It is upper vertical around machine winding former stretching, the first outer stay 9 of placement after meeting drawing requirement, and filled in 9 outer diameter of the first outer stay
Wax；
The the second interior insulation cylinder 10 for setting the second low-voltage coil 2 is enclosed, the second insulating cylinder 10 overlap joint is cemented with glue, guarantees to take
Position is connect on the first outer stay 9, then is bonded the second inner bracing strip 11, guarantees the second inner bracing strip 11 and the first outer stay 9 to just；
The insulation 12 of the first lower end and the second low-voltage line of the second low-voltage coil are placed in the waxing of second inner bracing strip, 11 outer diameter
The second lower end insulation 13 of circle, it is right around to the second low-voltage coil of coiling 2 using spiral；
Helical winding is using sleeping around machine coiling, and for continuous winding using vertical around machine coiling, the present invention is to consider interior loop
For continous way, it is all made of vertical around machine coiling
The second upper portion insulating 14 is placed, after the completion of 2 coiling of the second low-voltage coil, is first individually pressurizeed, after coming out of the stove,
First low-voltage coil 1 and the second low-voltage coil 2 pressurize together outside furnace, guarantee that the height of coil is consistent, and it is low finally to place second
Second outer stay 12 of crimping circle.Every section is required in coiling to be close to, and guarantee coil axial direction, radial consolidation.
The present invention by two around to the different low-voltage coil of different, coil form using system by the way of, by adding three times
Pressure guarantees the degree of packing of low-voltage coil, improves the anti-short circuit capability of product, and the operation for meeting the frequent short circuit of tractive transformer is special
Point, while reducing the workload of each process, manufacturing cost is reduced, enhances product performance, reduces the cost of product, is improved
The benefit of enterprise.
Claims (10)
- The tractive transformer low-voltage coil structure 1. a kind of AT powers, it is characterised in that: there is the first low-voltage coil and the second low pressure Coil, for the second low-voltage line snare on the outside of the first low-voltage coil, the second low-voltage coil and the first low-voltage coil bottom are equipped with lower end Portion's insulation；First low-voltage coil inner ring is equipped with the first interior insulation cylinder and the first inner bracing strip, the second low-voltage coil and the first low-voltage line The first outer stay, the second interior insulation cylinder and the second inner bracing strip are equipped between circle；Second low-voltage coil is externally provided with the second outer stay.
- The tractive transformer low-voltage coil structure 2. AT according to claim 1 powers, it is characterised in that: in the first low-voltage line The second lower end of the first lower end insulation and the first low-voltage coil of the first low-voltage coil is equipped between circle and lower end insulation Insulation is equipped with the insulation of the first lower end and the second low pressure of the second low-voltage coil between the second low-voltage coil and lower end insulation Second lower end of coil insulate；First low-voltage coil top is insulated equipped with the first upper end, and the second low-voltage coil top is equipped with The insulation of second upper end.
- The tractive transformer low-voltage coil structure 3. AT according to claim 1 powers, it is characterised in that: the first low-voltage coil For a continous way left side around to, the second low-voltage coil be it is spiral it is right around to.
- The tractive transformer low-voltage coil structure 4. AT according to claim 1 powers, it is characterised in that: the first low-voltage coil It is consistent with the second low-voltage coil height.
- 5. a kind of winding method of AT power supply tractive transformer low-voltage coil, it is characterised in that the following steps are included:Insulating part enters the dry pretreatment of furnace；The first low-voltage coil of coiling carries out Constant pressure drying processing after the completion of coiling；The second low-voltage coil of coiling outside the first low-voltage coil individually carries out Constant pressure drying processing after the completion of coiling；It comes out of the stove after the completion of the processing of second low-voltage coil Constant pressure drying, the first low-voltage coil and the second low-voltage coil add together outside furnace Pressure, keeps the height of two low-voltage coils consistent.
- 6. the winding method of AT power supply tractive transformer low-voltage coil as described in claim 5, it is characterised in that: insulating part packet Include set on the first interior insulation cylinder of the first low-voltage coil inner ring, the first inner bracing strip, the first low-voltage coil the insulation of the first lower end, The second lower end insulation of first low-voltage coil, lower end are insulated, the first upper end set on the first low-voltage coil top insulate, Set on the first outer stay of the first low-voltage coil outer ring, set on the second interior insulation cylinder of the second low-voltage coil inner ring, the second inner support Item, the second lower end insulation of the second low-voltage coil, is set to the second low-voltage coil at the first lower end insulation of the second low-voltage coil Second upper end of upper end insulate and the second outer stay set on the second low-voltage coil outer ring.
- 7. the winding method of AT power supply tractive transformer low-voltage coil according to claim 6, it is characterised in that:First interior insulation cylinder and the first inner bracing strip are bonded before entering furnace drying；Second interior insulation cylinder open-ended.
- 8. the winding method of AT power supply tractive transformer low-voltage coil as described in claim 5, it is characterised in that coiling first Low-voltage coil, step are as follows:Finished product after first the first interior insulation cylinder and the first inner bracing strip are glued and dried covers on winding former, puts the first low-voltage line well The first lower end insulation of circle, the second lower end insulation of the first low-voltage coil and lower end insulation；Using continous way, left around to the first low-voltage coil of coiling；After first low-voltage coil coiling is complete, the insulation of the first upper end is placed, Constant pressure drying processing is carried out；Height adjustment is upper vertical around machine winding former stretching, the first outer stay of placement to after meeting drawing requirement, and supports outside first Outer diameter fills wax.
- 9. the winding method of AT power supply tractive transformer low-voltage coil as described in claim 5, it is characterised in that low first Crimping circle the second low-voltage coil of outer coiling, step are as follows:Outside the first low-voltage coil, the second interior insulation cylinder for setting the second low-voltage coil is enclosed, is cemented the second insulating cylinder overlap joint with glue, It is overlapped on the first outer stay；Viscous second inner bracing strip guarantees the second inner bracing strip and the first outer stay to just；The waxing of second inner bracing strip outer diameter places the first lower end insulation of the second low-voltage coil and sets the second of the second low-voltage coil Lower end insulation；Using spiral, right around to the second low-voltage coil of coiling；After second low-voltage coil coiling is complete, the second upper end insulation of the second low-voltage coil is placed.
- 10. the winding method of AT as described in claim 5 power supply tractive transformer low-voltage coil, it is characterised in that further include with Lower step:First low-voltage coil and the second low-voltage coil be after pressurization is come out of the stove together outside furnace, outside the T second for placing the second low-voltage coil Stay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648284.9A CN109326426A (en) | 2017-08-01 | 2017-08-01 | A kind of AT power supply tractive transformer low-voltage coil structure and winding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648284.9A CN109326426A (en) | 2017-08-01 | 2017-08-01 | A kind of AT power supply tractive transformer low-voltage coil structure and winding method |
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| CN109326426A true CN109326426A (en) | 2019-02-12 |
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| CN201710648284.9A Pending CN109326426A (en) | 2017-08-01 | 2017-08-01 | A kind of AT power supply tractive transformer low-voltage coil structure and winding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189903A (en) * | 2019-06-13 | 2019-08-30 | 新华都特种电气股份有限公司 | Transformer coil winding structure, winding method, transformer coil and transformer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09232152A (en) * | 1996-02-20 | 1997-09-05 | Takaoka Electric Mfg Co Ltd | Gas-insulated transformer |
| CN1750191A (en) * | 2004-09-15 | 2006-03-22 | 特变电工股份有限公司 | Compressing method for transformer body |
| CN101984499A (en) * | 2010-07-16 | 2011-03-09 | 江苏上能变压器有限公司 | Three-phase generator transformer with super-large capacity |
| CN102360795A (en) * | 2011-07-12 | 2012-02-22 | 三变科技股份有限公司 | Traction transformer |
| CN102360828A (en) * | 2011-08-04 | 2012-02-22 | 保定天威集团有限公司 | 220kV-grade Vx connection traction transformer body structure |
| CN102368428A (en) * | 2011-11-02 | 2012-03-07 | 山东电力设备有限公司 | Double-capacity power transformer |
| CN103050245A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | Low-tension winding of large-capacity transformer |
| CN106783137A (en) * | 2017-01-03 | 2017-05-31 | 河南森源电气股份有限公司 | A kind of Transformer Winding processing method |
| CN207268978U (en) * | 2017-08-01 | 2018-04-24 | 特变电工沈阳变压器集团有限公司 | A kind of AT power supplies tractive transformer low-voltage coil structure |
-
2017
- 2017-08-01 CN CN201710648284.9A patent/CN109326426A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09232152A (en) * | 1996-02-20 | 1997-09-05 | Takaoka Electric Mfg Co Ltd | Gas-insulated transformer |
| CN1750191A (en) * | 2004-09-15 | 2006-03-22 | 特变电工股份有限公司 | Compressing method for transformer body |
| CN101984499A (en) * | 2010-07-16 | 2011-03-09 | 江苏上能变压器有限公司 | Three-phase generator transformer with super-large capacity |
| CN102360795A (en) * | 2011-07-12 | 2012-02-22 | 三变科技股份有限公司 | Traction transformer |
| CN102360828A (en) * | 2011-08-04 | 2012-02-22 | 保定天威集团有限公司 | 220kV-grade Vx connection traction transformer body structure |
| CN102368428A (en) * | 2011-11-02 | 2012-03-07 | 山东电力设备有限公司 | Double-capacity power transformer |
| CN103050245A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | Low-tension winding of large-capacity transformer |
| CN106783137A (en) * | 2017-01-03 | 2017-05-31 | 河南森源电气股份有限公司 | A kind of Transformer Winding processing method |
| CN207268978U (en) * | 2017-08-01 | 2018-04-24 | 特变电工沈阳变压器集团有限公司 | A kind of AT power supplies tractive transformer low-voltage coil structure |
Non-Patent Citations (1)
| Title |
|---|
| 顾永辉等: "煤矿电工手册 第2分册 矿井供电 上 第3版", 31 December 2015, 煤炭工业出版社, pages: 289 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189903A (en) * | 2019-06-13 | 2019-08-30 | 新华都特种电气股份有限公司 | Transformer coil winding structure, winding method, transformer coil and transformer |
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