CN103680875A - Built-in magnetic conductive pressing plate structures of transformer - Google Patents
Built-in magnetic conductive pressing plate structures of transformer Download PDFInfo
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- CN103680875A CN103680875A CN201310707612.XA CN201310707612A CN103680875A CN 103680875 A CN103680875 A CN 103680875A CN 201310707612 A CN201310707612 A CN 201310707612A CN 103680875 A CN103680875 A CN 103680875A
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- transformer
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- pressing plate
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Abstract
The invention relates to built-in magnetic conductive pressing plate structures of a transformer and belongs to the technical field of transformer equipment. According to the technical scheme, each built-in magnetic conductive pressing plate structure comprises an insulating part (1), two magnetic conductive parts (2), a shielding ring (3) and an insulating paperboard (4), wherein the two magnetic conductive parts (2) are arranged on the two sides of the upper surface of the insulating part (1) respectively, the shielding ring (3) is arranged on the outer edge of the insulating part (1), and the insulating paperboard (4) is connected with the insulating part (1) in an adhesive mode. The number of the magnetic conductive pressing plate structures is two, and each magnetic conductive pressing plate structure is formed by combining the insulating part (1), the two magnetic conductive parts (2), the shielding ring (3) and the insulating paperboard (4). The two magnetic conductive pressing plate structures are arranged at the two ends of a whole coil of the transformer respectively. The built-in magnetic conductive pressing plate structures of the transformer have the advantages of being high in mechanical strength, good in shielding effect, capable of meeting the requirement of a transformer body for anti-short-circuit capacity and reducing flux leakage of the transformer coil, and also capable of substantially optimizing parameters of the transformer.
Description
Technical field
The present invention relates to a kind of built-in transformer magnetic conduction pressure plate structure, belong to transformer equipment technical field.
Background technology
Extra-high voltage transformer is along with capacity, electric pressure promote, transformer nature impedance meeting increases, especially in extra-high voltage direct-current transmission system, the requirement to impedance is clear and definite, impedance too conference causes commutation failure, and transformer impedance more large volume is larger, in the situation of transport restrictions, effectively reduces leakage field, can reduce the volume of transformer, conventionally transformer pressing plate plays a supportive role, and Given this, needs pressing plate structure of transformer to improve.
Summary of the invention
The object of the invention is to provide a kind of built-in transformer magnetic conduction pressure plate structure, after the effect that meets the support of device body, by magnetic conduction construction, reduces transformer coil leakage field, reduces the impedance of transformer, solves the problems referred to above that exist in background technology.
Technical scheme of the present invention is: a kind of built-in transformer magnetic conduction pressure plate structure, comprise insulating part, magnetic conductive part, shading ring and insulating board, described magnetic conductive part has two, be separately positioned on the both sides of insulating part upper surface, shading ring is arranged on the outer of insulating part, insulating board and insulating part are bonding mutually, and the magnetic conduction pressure plate structure being comprised of insulating part, magnetic conductive part, shading ring and insulating board has two, is separately positioned on the two ends of transformer whole-set coil; The material of described special-shaped magnetic conductive part is silicon steel sheet, is shaped as circular arc fan-shaped, and the circular arc of circular arc and insulating part matches.
Described shading ring is that aluminium material adds bag dielectric paper structure.
The invention has the beneficial effects as follows: have the advantages that mechanical strength is high, shield effectiveness is good, when meeting device body Short Circuit withstand, also can reduce the leakage field of transformer coil, significantly optimize transformer parameter.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present invention;
Fig. 2 is Standard figure of the present invention;
Fig. 3 is structural representation of the present invention;
Fig. 4 is installation diagram of the present invention;
Fig. 5 is use state diagram of the present invention;
In figure: insulating part 1; Magnetic conductive part 2; Shading ring 3; Insulating board 4; Magnetic conduction pressing plate placement location 5; Whole-set coil 6; Unshakable in one's determination 7.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
A kind of built-in transformer magnetic conduction pressure plate structure, comprise insulating part 1, magnetic conductive part 2, shading ring 3 and insulating board 4, described magnetic conductive part 2 has two, be separately positioned on the both sides of insulating part 1 upper surface, shading ring 3 is arranged on the outer of insulating part 1, insulating board 4 is bonding mutually with insulating part 1, and the magnetic conduction pressure plate structure being comprised of insulating part 1, special-shaped magnetic conductive part 2, shading ring 3 and insulating board 4 has two, is separately positioned on the two ends of transformer whole-set coil; The material of described special-shaped magnetic conductive part is silicon steel sheet, is shaped as circular arc fan-shaped, and the circular arc of circular arc and insulating part matches.
Described shading ring 3 adds bag dielectric paper structure for aluminium material.
In use, in the conventional pressure plate structure of transformer, open abnormally-structured, form insulating part 1, assembling shading ring 3, assembling magnetic conductive part 2, bonding insulating board 4, finally form a kind of built-in magnetic conduction pressing plate, as device body supporting construction, when meeting supporting role, effectively control coil leakage field, reduces transformer impedance.
Claims (2)
1. a built-in transformer magnetic conduction pressure plate structure, it is characterized in that: comprise insulating part (1), abnormity magnetic conductive part (2), shading ring (3) and insulating board (4), described special-shaped magnetic conductive part (2) has two, be separately positioned on the both sides of insulating part (1) upper surface, shading ring (3) is arranged on the outer of insulating part (1), insulating board (4) is bonding mutually with insulating part (1), by insulating part (1), abnormity magnetic conductive part (2), the magnetic conduction pressure plate structure that shading ring (3) and insulating board (4) combination form has two, be separately positioned on the two ends of transformer whole-set coil, the material of described special-shaped magnetic conductive part is silicon steel sheet, is shaped as circular arc fan-shaped, and the circular arc of circular arc and insulating part matches.
2. a kind of built-in transformer magnetic conduction pressure plate structure according to claim 1, is characterized in that: described shading ring (3) adds bag dielectric paper structure for aluminium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707612.XA CN103680875A (en) | 2013-12-20 | 2013-12-20 | Built-in magnetic conductive pressing plate structures of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707612.XA CN103680875A (en) | 2013-12-20 | 2013-12-20 | Built-in magnetic conductive pressing plate structures of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103680875A true CN103680875A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310707612.XA Pending CN103680875A (en) | 2013-12-20 | 2013-12-20 | Built-in magnetic conductive pressing plate structures of transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN103680875A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428044A (en) * | 2015-12-28 | 2016-03-23 | 保定天威保变电气股份有限公司 | Lung-shaped shield stacking technology for transformer |
| CN106683848A (en) * | 2016-12-01 | 2017-05-17 | 保定天威保变电气股份有限公司 | High-current lead magnetic flux leakage shielding device for transformer core |
| CN107492441A (en) * | 2017-08-01 | 2017-12-19 | 正泰电气股份有限公司 | A kind of method and device for effectively reducing high-power transformer load loss |
| CN113589123A (en) * | 2021-06-18 | 2021-11-02 | 中国电力科学研究院有限公司 | Test device for fault simulation of extra-high voltage transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55124213A (en) * | 1979-03-19 | 1980-09-25 | Hitachi Ltd | Transformer |
| JPS571208A (en) * | 1980-06-04 | 1982-01-06 | Hitachi Ltd | Transformer |
| US4725804A (en) * | 1984-05-24 | 1988-02-16 | Square D Company | Electrostatic fork shield |
| CN2146772Y (en) * | 1992-12-25 | 1993-11-17 | 沈阳变压器厂 | Omnibearing magnetic screen reactor |
| CN102959651A (en) * | 2010-06-28 | 2013-03-06 | Abb技术有限公司 | Transformer with shielded clamps |
-
2013
- 2013-12-20 CN CN201310707612.XA patent/CN103680875A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55124213A (en) * | 1979-03-19 | 1980-09-25 | Hitachi Ltd | Transformer |
| JPS571208A (en) * | 1980-06-04 | 1982-01-06 | Hitachi Ltd | Transformer |
| US4725804A (en) * | 1984-05-24 | 1988-02-16 | Square D Company | Electrostatic fork shield |
| CN2146772Y (en) * | 1992-12-25 | 1993-11-17 | 沈阳变压器厂 | Omnibearing magnetic screen reactor |
| CN102959651A (en) * | 2010-06-28 | 2013-03-06 | Abb技术有限公司 | Transformer with shielded clamps |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428044A (en) * | 2015-12-28 | 2016-03-23 | 保定天威保变电气股份有限公司 | Lung-shaped shield stacking technology for transformer |
| CN105428044B (en) * | 2015-12-28 | 2017-04-05 | 保定天威保变电气股份有限公司 | A kind of transformator lobe of the lung shields stacking technique |
| CN106683848A (en) * | 2016-12-01 | 2017-05-17 | 保定天威保变电气股份有限公司 | High-current lead magnetic flux leakage shielding device for transformer core |
| CN107492441A (en) * | 2017-08-01 | 2017-12-19 | 正泰电气股份有限公司 | A kind of method and device for effectively reducing high-power transformer load loss |
| CN113589123A (en) * | 2021-06-18 | 2021-11-02 | 中国电力科学研究院有限公司 | Test device for fault simulation of extra-high voltage transformer |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |