CN206363867U - Meet the transformer of the anti-accident short circuit of IEC standard - Google Patents
Meet the transformer of the anti-accident short circuit of IEC standard Download PDFInfo
- Publication number
- CN206363867U CN206363867U CN201720070192.2U CN201720070192U CN206363867U CN 206363867 U CN206363867 U CN 206363867U CN 201720070192 U CN201720070192 U CN 201720070192U CN 206363867 U CN206363867 U CN 206363867U
- Authority
- CN
- China
- Prior art keywords
- short circuit
- iron core
- transformer
- low
- accident
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of transformer for the anti-accident short circuit for meeting IEC standard, low-voltage coil, the main empty path being wound in including iron core, from inside to outside on iron core insulate and high-tension coil, insulating barrier is set between iron core and low-voltage coil, the insulating barrier is glass fibre reinforced plastic cylinder.The utility model is used as support using glass fibre reinforced plastic cylinder, increase main empty path insulation and low-voltage coil, the stay quantity of high-tension coil, improve the intensity of high-low pressure winding, good insulation preformance, can be extruded in sudden short circuit event mesolow coil stress to iron core direction, due to the presence of glass fibre reinforced plastic cylinder, stress does not interfere with iron core, all there is glass fibre reinforced plastic cylinder to stop, do not result in low-voltage coil short circuit, increase resistance to shorting intensity.
Description
Technical field
The utility model belongs to distribution transformer technical field, more particularly to a kind of anti-accident for meeting IEC standard
The transformer of short circuit.
Background technology
National grid, which is distinctly claimed all 10kV distribution transformers, since the March in this year must all possess anti-accident
Short-circuit capacity.And in the past due to no specific requirement, almost all of distribution transformer does not possess resistance accident short circuit
Ability.Especially overseas market, and the distribution transformer of overseas market before state's fat file off the net with regard to clear stipulaties institute
Having transformer to meet the transformer on international standard IEC60076, domestic market needs to make improvement.
The content of the invention
In view of the deficienciess of the prior art, the utility model provides a kind of anti-accident short circuit for meeting IEC standard
Transformer, using glass fibre reinforced plastic cylinder be used as support, improve high-low pressure winding intensity, good insulation preformance, increase resistance to shorting intensity.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：Meet the anti-burst thing of IEC standard
The transformer of part short circuit, including the insulation of iron core, the low-voltage coil being wound in from inside to outside on iron core, main empty path and high-tension coil,
Insulating barrier is set between iron core and low-voltage coil, the insulating barrier is glass fibre reinforced plastic cylinder.
Further, in the middle of the low pressure oil duct propped up in the middle of the low-voltage coil provided with low pressure oil duct stay, high-tension coil
The high-pressure oil duct propped up provided with high-pressure oil duct stay, low-voltage coil and high-tension coil top set copper bar.
Further, the main empty path insulation includes first layer point gummed paper, cushion block stay, second layer point gummed paper, first layer
Cardboard, third layer point gummed paper, the second layer paperboard, the 4th layer of point gummed paper.
Further, cushion block stay and low pressure oil duct stay, high-pressure oil duct stay are radial inside and outside aligns.
Further, fagging and polyester leading-drawing rod are provided between iron core and glass fibre reinforced plastic cylinder.
Further, the iron core front and rear sides are provided with top board and bottom plate, and top board and bottom plate side set alternate
Dividing plate, phase partition is two, and top board and bottom plate use monoblock splitted structure.
Further, the core lamination stack coefficient is 0.97.
Compared with prior art, the utility model advantage is：Support, increase main empty path insulation are used as using glass fibre reinforced plastic cylinder
With the stay quantity of low-voltage coil, high-tension coil, the intensity of high-low pressure winding, good insulation preformance, in sudden short circuit event are improved
Mesolow coil stress can be extruded to iron core direction, due to the presence of glass fibre reinforced plastic cylinder, and stress does not interfere with iron core, all
There is glass fibre reinforced plastic cylinder to stop, do not result in low-voltage coil short circuit, increase resistance to shorting intensity；Iron core uses circular configuration, it is ensured that line
Enclose uniform stressed；Top board and bottom plate use monoblock splitted structure, and low pressure oil duct and high-pressure oil duct increase area of dissipation.
Brief description of the drawings
Fig. 1 is core structure schematic diagram of the present utility model；、
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is loop construction schematic diagram of the present utility model；
Fig. 4 is that schematic diagram is placed in high-low pressure of the present utility model insulation；
Fig. 5 is iron core of the present utility model and glass fibre reinforced plastic cylinder structural representation；
Fig. 6 is device body installation diagram of the present utility model；
Fig. 7 is that top board of the present utility model places schematic diagram；、
Fig. 8 is that bottom plate of the present utility model places schematic diagram.
In figure, 1. iron cores；2. glass fibre reinforced plastic cylinder；3. low-voltage coil；4. main empty path insulate；5. high-tension coil；6. copper bar；7.
Polyester leading-drawing rod；8. fagging；9. top board；10. bottom plate；11. phase partition；31. low pressure oil duct stay；32. low pressure oil duct；
41. first layer point gummed paper；42. cushion block stay；43. second layer point gummed paper；44. the first layer paperboard；45. third layer point gummed paper；46.
Second layer paperboard；47. the 4th layer of point gummed paper；51. high-pressure oil duct stay；52. high-pressure oil duct.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further described to the utility model.
As Figure 1-3, the transformer of the anti-accident short circuit of IEC standard is met, the transformer is A, B, C three-phase
Transformer, including iron core 1, the low-voltage coil 3 being wound in from inside to outside on iron core 1, main empty path insulation 4 and high-tension coil 5, iron core
Insulating barrier is set between 1 and low-voltage coil 3, insulating barrier is glass fibre reinforced plastic cylinder 2, and iron core 1 is made up of silicon steel plate, and the lamination coefficient of iron core 1 is
0.97, post net sectional area 230cm2, the low pressure oil duct 32 that the centre of low-voltage coil 3 is propped up provided with low pressure oil duct stay 31, high pressure
The high-pressure oil duct 52 propped up in the middle of coil 5 provided with high-pressure oil duct stay 51, low-voltage coil 3 and the top of high-tension coil 5 set copper bar 6,
Low pressure oil duct stay and high-pressure oil duct stay are not set between high pressure copper bar and low-voltage copper bar.
As shown in figure 4, the main empty path insulation 4 between low-voltage coil 3 and high-tension coil 5 includes first layer point gummed paper 41, pad
Block stay 42, second layer point gummed paper 43, the first layer paperboard 44, third layer point gummed paper 45, the second layer paperboard 46, the 4th layer of point gummed paper
47, first layer point gummed paper 41 two, second layer point gummed paper 43 two, third layer point gummed paper 45 two, the 4th layer of point gummed paper 47 is not
It is limited to four, thickness is 0.13mm；The thickness 4.5mm of cushion block stay 42；First layer paperboard 44 1, the second layer paperboard 46 1
, thickness is 1.0mm.
Alignd inside and outside cushion block stay 42 is radial with low pressure oil duct stay 31, high-pressure oil duct stay 51.
As shown in figure 5, being provided with fagging 8 and polyester leading-drawing rod 7 between iron core 1 and glass fibre reinforced plastic cylinder 2, the quantity of fagging 8 is four,
The quantity of polyester leading-drawing rod 7 is eight.
As shown in figs 6-8, the front and rear sides of iron core 1 are provided with top board 9 and bottom plate 10, top board 9 and the side of bottom plate 10
If phase partition 11, phase partition is two, and top board 9 and bottom plate 10 use monoblock splitted structure.
In summary, the utility model is used as support, the insulation of increase main empty path and low-voltage coil, high pressure using glass fibre reinforced plastic cylinder
The stay quantity of coil, improves the intensity of high-low pressure winding, good insulation preformance, in sudden short circuit event mesolow coil stress meeting
Extruded to iron core direction, due to the presence of glass fibre reinforced plastic cylinder, stress does not interfere with iron core, all has glass fibre reinforced plastic cylinder to hinder
Gear, does not result in low-voltage coil short circuit, increases resistance to shorting intensity；Iron core uses circular configuration, it is ensured that coil uniform stressed；Upper pressure
Plate and bottom plate use monoblock splitted structure, and low pressure oil duct and high-pressure oil duct increase area of dissipation.
Certainly, described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in essential scope of the present utility model, the variations, modifications, additions or substitutions made, all
Protection domain of the present utility model should be belonged to.
Claims (7)
1. meet the transformer of the anti-accident short circuit of IEC standard, including iron core, the low pressure that is wound in from inside to outside on iron core
Coil, main empty path insulation and high-tension coil, it is characterised in that：Insulating barrier is set between iron core and low-voltage coil, the insulating barrier is glass
Glass steel cylinder.
2. the transformer of the anti-accident short circuit according to claim 1 for meeting IEC standard, it is characterised in that：It is described
Propped up in the middle of the low pressure oil duct propped up in the middle of low-voltage coil provided with low pressure oil duct stay, high-tension coil provided with high-pressure oil duct stay
High-pressure oil duct, low-voltage coil and high-tension coil top set copper bar.
3. the transformer of the anti-accident short circuit according to claim 2 for meeting IEC standard, it is characterised in that：It is described
Main empty path insulation includes first layer point gummed paper, cushion block stay, second layer point gummed paper, the first layer paperboard, third layer point gummed paper, second
Layer paperboard, the 4th layer of point gummed paper.
4. the transformer of the anti-accident short circuit according to claim 3 for meeting IEC standard, it is characterised in that：Cushion block
Alignd inside and outside stay is radial with low pressure oil duct stay, high-pressure oil duct stay.
5. the transformer of the anti-accident for the meeting IEC standard short circuit according to claim any one of 1-4, its feature exists
In：Fagging and polyester leading-drawing rod are provided between iron core and glass fibre reinforced plastic cylinder.
6. the transformer of the anti-accident for the meeting IEC standard short circuit according to claim any one of 1-4, its feature exists
In：The iron core front and rear sides are provided with top board and bottom plate, and top board and bottom plate side set phase partition, and phase partition is
Two, top board and bottom plate use monoblock splitted structure.
7. the transformer of the anti-accident for the meeting IEC standard short circuit according to claim any one of 1-4, its feature exists
In：The core lamination stack coefficient is 0.97.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720070192.2U CN206363867U (en) | 2017-01-20 | 2017-01-20 | Meet the transformer of the anti-accident short circuit of IEC standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720070192.2U CN206363867U (en) | 2017-01-20 | 2017-01-20 | Meet the transformer of the anti-accident short circuit of IEC standard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363867U true CN206363867U (en) | 2017-07-28 |
Family
ID=59379956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720070192.2U Active CN206363867U (en) | 2017-01-20 | 2017-01-20 | Meet the transformer of the anti-accident short circuit of IEC standard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206363867U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364333A (en) * | 2019-08-19 | 2019-10-22 | 江苏华鹏变压器有限公司 | Iron core and transformer |
| CN111292953A (en) * | 2020-03-13 | 2020-06-16 | 河南泰隆电力设备股份有限公司 | Manufacturing process of burst short circuit resistant amorphous alloy transformer coil |
| CN114093609A (en) * | 2021-12-01 | 2022-02-25 | 国网上海市电力公司 | Converter transformer's ware body structure |
-
2017
- 2017-01-20 CN CN201720070192.2U patent/CN206363867U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364333A (en) * | 2019-08-19 | 2019-10-22 | 江苏华鹏变压器有限公司 | Iron core and transformer |
| CN111292953A (en) * | 2020-03-13 | 2020-06-16 | 河南泰隆电力设备股份有限公司 | Manufacturing process of burst short circuit resistant amorphous alloy transformer coil |
| CN114093609A (en) * | 2021-12-01 | 2022-02-25 | 国网上海市电力公司 | Converter transformer's ware body structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206363867U (en) | Meet the transformer of the anti-accident short circuit of IEC standard | |
| CN101236824A (en) | Body structure of single-phase traction transformer | |
| CN102360828A (en) | 220kV-grade Vx connection traction transformer body structure | |
| CN201549358U (en) | High-capacity voltage transformer capable of reducing local electric discharge | |
| CN202230838U (en) | Reeled-core dry-type transformer | |
| CN209471817U (en) | A kind of inexpensive resistance to shorting loop construction of transformer | |
| CN203225166U (en) | Main insulation structure of 10kV transformer | |
| CN106783027B (en) | A kind of isolating transformer | |
| CN206116167U (en) | Integrated leakage inductance resonance transformer | |
| CN208834842U (en) | Low-loss is box around coil transformer | |
| CN204668129U (en) | A kind of few oil type voltage transformer | |
| CN213935893U (en) | Control transformer suitable for box transformer substation control cabinet | |
| CN108172380A (en) | A kind of transformer and potential device | |
| CN203799852U (en) | Indoor voltage transformer | |
| CN206947134U (en) | A kind of high-voltage coil structure for being used for double division dry-type transformers | |
| CN207097636U (en) | A kind of coil block and the electric equipment using the coil block | |
| CN109935452A (en) | Interior half oil duct of pad-type of transformer pie winding | |
| CN201084520Y (en) | An open-ventilated amorphous iron-core transformer | |
| CN207425566U (en) | A kind of folding stereo open core no-encapsulated-winding dry-type transformer | |
| CN201449837U (en) | Novel high-voltage transformer body strut fixing structure | |
| CN201820623U (en) | Transformer structure | |
| CN206672771U (en) | It is a kind of to improve the horizontal device of dry-type transformer phase insulation | |
| CN204834323U (en) | High -voltage transformer ware body structure | |
| CN207474244U (en) | A kind of 35KV voltage transformers | |
| CN208706414U (en) | For protecting the insulating part of transformer coli winding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |