CN105957697A - Amorphous ally transformer winding structure with high short circuit resistance - Google Patents
Amorphous ally transformer winding structure with high short circuit resistance Download PDFInfo
- Publication number
- CN105957697A CN105957697A CN201610598065.XA CN201610598065A CN105957697A CN 105957697 A CN105957697 A CN 105957697A CN 201610598065 A CN201610598065 A CN 201610598065A CN 105957697 A CN105957697 A CN 105957697A
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- CN
- China
- Prior art keywords
- iron cores
- short circuit
- iron
- coil
- epoxy
- 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.)
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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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- 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
Abstract
The invention discloses an amorphous ally transformer winding structure with high short circuit resistance. The amorphous ally transformer winding structure comprises eight iron cores and three coil windings; in the eight iron cores, four iron cores are arranged side by side above the other four iron cores arranged side by side to form four iron core group structures arranged from left to right; each iron core group comprises two iron cores arranged vertically; an epoxy glass fabric plate is arranged between the four iron cores positioned on the upper layer and the four iron cores positioned on the lower layer, and a paper board is arranged between every two transversely adjacent iron cores; in the four iron core groups arranged from left to right, an epoxy cylinder is arranged on every two adjacent iron core groups respectively; and a coil winding is wound on each epoxy cylinder respectively. The epoxy glass fabric plate is arranged between the iron cores, and the coil winding is wound on the epoxy cylinder, so that good inner support is formed between a low-voltage coil and the iron cores, the supporting strength when the winding wire is deformed inwards is improved, and the coil deformation caused by internal shrinkage force during short circuit can be borne.
Description
Technical field
The present invention relates to transformer technology field, be specifically related to the amorphous alloy transformer winding construction that a kind of anti-short circuit capability is high.
Background technology
In recent years, the Accident of Transformer situation analysis announced in recent years from State Grid Corporation of China, anti-short circuit capability has become the major reason of amorphous alloy transformer accident the most.Amorphous alloy transformer winding is rectangular configuration, and it is uniform that suffered electric power can not show a candle to common transformer circle winding, is easier to deformation when bearing sudden short circuit electric power.Amorphous alloy transformer body uses axial load-carrying members, and rectangle winding is compressed by folder from top to bottom and pressing plate, low voltage layer type coil many employings foil structure, and the axial electromagnetic force that axial leakage field produces is the least.In rectangle winding, electric current is producing stray field about, it is divided into axial component and width to component, axial leakage field produces diametral force with the Interaction Law of Electric Current in rectangle winding, along rectangle winding width radially to power, interior winding is made to be stressed, outer winding tension power effect (interior loop is the most recessed, and exterior loop is the most swollen), the radial deformation that the amorphous alloy transformer burnt because of sudden short circuit is disassembled middle discovery long axis direction is the most serious.And long axis direction does not has good inner support between low-voltage coil and iron core, inside contracting, to bear, the winding deformation that power causes when short circuit, these deformation are generally with the destruction of main longitudinal insulating structure, and time serious, even wire is pulled off.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide the amorphous alloy transformer winding construction that a kind of anti-short circuit capability is high, support strength when winding conducting wire is deformed inward can be improved.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions: the amorphous alloy transformer winding construction that a kind of anti-short circuit capability is high, including eight iron cores and three coil windings, in these eight iron cores, four iron cores are disposed side by side on the top unshakable in one's determination that other four is arranged side by side, form the structure of four arranged from left to right group unshakable in one's determination, each group unshakable in one's determination comprises two ferrum hearts set up and down, at four iron cores on upper strata and it is provided with epoxy resin bonded fiber between four iron cores of lower floor, and it is provided with cardboard in left and right between adjacent each two iron core, in unshakable in one's determination group of four arranged from left to right, it is respectively equipped with an epoxy cylinder on adjacent unshakable in one's determination group of each two, rotating around being provided with coil windings on each epoxy cylinder.
Further, the thickness of described epoxy resin bonded fiber is 6～10mm.
The invention has the beneficial effects as follows: the present invention at four iron cores on upper strata and is provided with epoxy resin bonded fiber between four iron cores of lower floor, iron core is provided with epoxy cylinder, coil windings is wound on epoxy cylinder, so that long axis direction defines good inner support between low-voltage coil and iron core, improve support strength when winding conducting wire is deformed inward, can bear and inside contract the winding deformation that power causes when short circuit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation removing part iron core of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
As depicted in figs. 1 and 2, the amorphous alloy transformer winding construction that a kind of anti-short circuit capability is high, including eight iron cores 1 and three coil windings 2, in these eight iron cores 1, four iron cores 1 are disposed side by side on the top of the iron core 2 that other four is arranged side by side, form the structure of four arranged from left to right group unshakable in one's determination, each group unshakable in one's determination comprises two set up and down unshakable in one's determination 1, at four iron cores on upper strata and it is provided with epoxy resin bonded fiber 3 between four iron cores of lower floor, and it is provided with cardboard 5 in left and right between adjacent each two iron core 1, in unshakable in one's determination group of four arranged from left to right, it is respectively equipped with an epoxy cylinder 4 on adjacent unshakable in one's determination group of each two, rotating around being provided with coil windings 2 on each epoxy cylinder 4.
Furtherly, the thickness of described epoxy resin bonded fiber 3 is 6～10mm.The thickness of epoxy resin bonded fiber 3 changes according to the change of capacity.Such as, thickness is that the epoxy resin bonded fiber of 8mm is applicable to the transformer winding structure that capacity is 200kVA～400kVA.
The present invention at four iron cores on upper strata and is provided with epoxy resin bonded fiber 3 between four iron cores of lower floor, iron core is provided with epoxy cylinder 4, coil windings 2 is wound on epoxy cylinder 4, so that long axis direction defines good inner support between low-voltage coil and iron core, anti-short circuit capability is strong, improve support strength when winding conducting wire is deformed inward, can bear and inside contract the winding deformation that power causes when short circuit.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (2)
1. the amorphous alloy transformer winding construction that an anti-short circuit capability is high, it is characterized in that: include eight iron cores and three coil windings, in these eight iron cores, four iron cores are disposed side by side on the top unshakable in one's determination that other four is arranged side by side, form the structure of four arranged from left to right group unshakable in one's determination, each group unshakable in one's determination comprises two ferrum hearts set up and down, at four iron cores on upper strata and it is provided with epoxy resin bonded fiber between four iron cores of lower floor, and it is provided with cardboard in left and right between adjacent each two iron core, in unshakable in one's determination group of four arranged from left to right, it is respectively equipped with an epoxy cylinder on adjacent unshakable in one's determination group of each two, rotating around being provided with coil windings on each epoxy cylinder.
The amorphous alloy transformer winding construction that anti-short circuit capability the most according to claim 1 is high, it is characterised in that: the thickness of described epoxy resin bonded fiber is 6～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598065.XA CN105957697A (en) | 2016-07-27 | 2016-07-27 | Amorphous ally transformer winding structure with high short circuit resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598065.XA CN105957697A (en) | 2016-07-27 | 2016-07-27 | Amorphous ally transformer winding structure with high short circuit resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105957697A true CN105957697A (en) | 2016-09-21 |
Family
ID=56898929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610598065.XA Pending CN105957697A (en) | 2016-07-27 | 2016-07-27 | Amorphous ally transformer winding structure with high short circuit resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105957697A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910167A (en) * | 2017-11-30 | 2018-04-13 | 山东电工电气集团智能电气有限公司 | A kind of amorphous alloy transformer body structure for possessing anti-short circuit capability |
| CN109411200A (en) * | 2018-12-15 | 2019-03-01 | 泰州市天力铁芯制造有限公司 | A kind of assembling iron core of high-tension transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0977214A1 (en) * | 1998-07-31 | 2000-02-02 | Hitachi, Ltd. | Amorphous metal core transformer |
| CN204760204U (en) * | 2015-05-11 | 2015-11-11 | 上海飞晶电气股份有限公司 | Metallic glass transformer ware body structure with short circuit carrying capacity |
| CN105405614A (en) * | 2015-11-30 | 2016-03-16 | 广州广高高压电器有限公司 | Oil-immersed amorphous alloy core transformer |
| CN105702424A (en) * | 2016-04-21 | 2016-06-22 | 佛山市中研非晶科技股份有限公司 | Amorphous-alloy oil-immersed transformer capable of noise reduction and short-circuit resistance and fabrication method of amorphous-alloy oil-immersed transformer |
| CN205845664U (en) * | 2016-07-27 | 2016-12-28 | 吴江变压器有限公司 | The amorphous alloy transformer winding construction that anti-short circuit capability is high |
-
2016
- 2016-07-27 CN CN201610598065.XA patent/CN105957697A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0977214A1 (en) * | 1998-07-31 | 2000-02-02 | Hitachi, Ltd. | Amorphous metal core transformer |
| CN204760204U (en) * | 2015-05-11 | 2015-11-11 | 上海飞晶电气股份有限公司 | Metallic glass transformer ware body structure with short circuit carrying capacity |
| CN105405614A (en) * | 2015-11-30 | 2016-03-16 | 广州广高高压电器有限公司 | Oil-immersed amorphous alloy core transformer |
| CN105702424A (en) * | 2016-04-21 | 2016-06-22 | 佛山市中研非晶科技股份有限公司 | Amorphous-alloy oil-immersed transformer capable of noise reduction and short-circuit resistance and fabrication method of amorphous-alloy oil-immersed transformer |
| CN205845664U (en) * | 2016-07-27 | 2016-12-28 | 吴江变压器有限公司 | The amorphous alloy transformer winding construction that anti-short circuit capability is high |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910167A (en) * | 2017-11-30 | 2018-04-13 | 山东电工电气集团智能电气有限公司 | A kind of amorphous alloy transformer body structure for possessing anti-short circuit capability |
| CN109411200A (en) * | 2018-12-15 | 2019-03-01 | 泰州市天力铁芯制造有限公司 | A kind of assembling iron core of high-tension transformer |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
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| RJ01 | Rejection of invention patent application after publication |