CN106205980B - A kind of extra-high-voltage alternating current bushing shell for transformer - Google Patents
A kind of extra-high-voltage alternating current bushing shell for transformer Download PDFInfo
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- CN106205980B CN106205980B CN201610705659.6A CN201610705659A CN106205980B CN 106205980 B CN106205980 B CN 106205980B CN 201610705659 A CN201610705659 A CN 201610705659A CN 106205980 B CN106205980 B CN 106205980B
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- insulated part
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- alternating current
- voltage alternating
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
-
- 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
-
- 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
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
Abstract
The present invention relates to extra-high-voltage alternating current bushings shell for transformer, including：It is individually fixed in the upper insulated part of ground connection cylinder both sides and lower insulated part, through the high-field electrode of upper insulated part and lower insulated part, with the grounding electrode for being fixed on ground connection cylinder inner wall, upper insulated part, which has, to be saved in the upper insulation being connected as one by upper end rebound under section and upper insulation, lower insulated part, which has, to be saved in the lower insulation being connected as one by lower end rebound under section and lower insulation, the upper insulated part and lower insulated part are internally provided with the target between grounding electrode and high-field electrode, the upper and lower ends of the target are fixed by upper end rebound and lower end rebound respectively.It is compared with transformer traditional sleeve, casing of the present invention has many advantages, such as that with short production cycle, light-weight, manufacturing cost is low, bending strength is high, safe and reliable to operation and significantly improve electric property.
Description
Technical field
The present invention relates to a kind of extra-high voltage casing, specifically a kind of new structure extra-high-voltage alternating current bushing shell for transformer,
It is mainly used on the transformer of 750kV and above.
Background technology
Currently, transformer is broadly divided into paper condenser and glue impregnated paper condenser type two with extra-high-voltage alternating current bushing shell for transformer
Kind, external insulation generally uses insulator, insulator height to be more than 7m, influenced by porcelain piece manufacturing process, and insulator is led to after single-unit is burnt into
Bonding twice firing is crossed, the porcelain piece production cycle is long, and qualification rate is low, and manufacturing cost is high.Major insulation capacitor core passes through several electricity
Pole even voltage, number of poles are more than 100, and core diameter is especially big, and process cycle is very long, in the fabrication process any electricity
Interpolar existing defects all can cause product electric property unqualified.By voltage, electric current, pulling force, vibrations, wind when casing is run
Various combined influences such as power, earthquake, once faulty, there are risks on fire from explosion.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of extra-high-voltage alternating current transformation
Device casing, the casing is with short production cycle, light-weight, manufacturing cost is low, bending strength is high, safe and reliable to operation, significantly improves electricity
Gas performance.
In order to solve the above technical problems, extra-high-voltage alternating current bushing shell for transformer provided by the invention, including：It is individually fixed in
It is grounded the upper insulated part of cylinder both sides and lower insulated part, runs through the high-field electrode of the upper insulated part and lower insulated part,
With the grounding electrode for being fixed on ground connection cylinder inner wall, it is characterised in that：Upper insulated part has is connected as one by upper end rebound
It is saved under section and upper insulation in the upper insulation of body, lower insulated part has to be saved in the lower insulation being connected as one by lower end rebound
It is saved under lower insulation, the upper insulated part and lower insulated part are internally provided between grounding electrode and high-field electrode
The upper and lower ends of target, the target are fixed by upper end rebound and lower end rebound respectively.
In order to further solve the above technical problem, the present invention also has following feature：
1, top being saved in the upper insulation and being provided with upper head plate, bottom end is saved under lower insulation and is provided with bottom plate.
2, surface is saved with silicon rubber umbrella under section and upper insulation in the upper insulation.
3, it is grounded at cylinder equipped with end shield measurement terminal, current transformer and for installing flange arrangement on the transformer.
4, the upper insulated part and lower insulated part are glass steel material.
5, the upper head plate, save mucilage binding successively under section, upper end rebound and upper insulation in upper insulation and be fixedly connected.
6, it saves under section, lower end rebound, lower insulation in the lower insulation and is fixedly connected with bottom plate successively mucilage binding.
7, high-field electrode and upper head plate and bottom plate short circuit, target and upper end rebound and lower end rebound short circuit.
8, insulation gas filled in casing.
9, the insulating gas is sulfur hexafluoride.
Upper insulated part is divided into two sections, saved in upper insulation and upper insulation under save, centre is connected by upper end rebound.It is upper exhausted
Material is saved as fiberglass under section and upper insulation on edge, each parts directly use mucilage binding structure, increase the integral strength of product,
The porcelain housing of such design substitution conventional products, production cycle shorten, weight（Only oil-impregnated paper condenser type transformer bushing weight
The a quarter of amount）, manufacturing cost reduces, bending strength is high and safe and reliable to operation.
Lower insulated part is made of section and bottom plate under section, lower end rebound, lower insulation in lower insulation, and four use mucilage binding
Structure can guarantee if the fiberglass mucilage binding structure of high intensity even if inside pipe casing breaks down and not leak herein, ensure to become
The operational safety of depressor.
High-field electrode carries ballast current conductor as casing, is in high potential.Target and upper end rebound, lower end transition
Plate connects, three's equipotential, is calculated by designing, and the capacitance C1 between high-field electrode and target is made to be approximately equal to intermediate electricity
Capacitance C2 between pole and grounding electrode is about high voltage half to make voltage at target.Grounding electrode and ground connection
Cylinder connection, is in ground potential.Ensure the piece electrical performance of casing.
Description of the drawings
Fig. 1 is extra-high-voltage alternating current bushing shell for transformer structural schematic diagram of the present invention.
Figure label is schematically as follows：
1- high-field electrodes, 2- targets, 3- grounding electrodes, the upper ends 4- rebound, the lower ends 5- rebound, 6- are grounded cylinder,
7- spring structures are saved in insulation on 81-, and insulate lower section on 82-, 83- silicon rubber umbrellas, are saved in insulation under 91-, are insulated under 92-
Lower section, 10- insulating gas, 11- upper head plates, 12- bottom plates.
Specific implementation mode
With reference to embodiment, present invention is further described in detail.But the present invention is not limited to given examples.
As shown in Figure 1, the present embodiment extra-high-voltage alternating current bushing shell for transformer, including it is individually fixed in the upper of 6 both sides of ground connection cylinder
Insulated part and lower insulated part, run through the high-field electrode 1 of upper insulated part and lower insulated part, and are fixed in ground connection cylinder 6
The grounding electrode 3 of wall, casing ensure that the sealing of cannula tip, casing are interior filled with sulfur hexafluoride by spring structure 7 and sealing element
Insulating gas 10.It is grounded at cylinder equipped with end shield measurement terminal, current transformer and for installing flange arrangement on the transformer.
Wherein, upper insulated part, which has, saves 82 under section 81 and upper insulation in the upper insulation being connected as one by upper end rebound 4, it is upper absolutely
Has silicon rubber umbrella 83 in the surface that section 82 under 81 and upper insulation is saved on edge.Lower insulated part has to be connected by lower end rebound 5
It is connected in integrated lower insulation and saves 92 under section 91 and lower insulation, upper insulated part and lower insulated part are internally provided between ground connection
The upper and lower ends of target 2 between electrode 3 and high-field electrode 1, target 2 pass through upper end rebound 4 and lower end respectively
Rebound 5 is fixed.81 tops are saved in upper insulation and are provided with upper head plate 11, and saving 92 bottom ends under lower insulation is provided with bottom plate 12.
In the present embodiment, upper insulated part and lower insulated part are glass steel material, section 81 on upper head plate 11, upper insulation,
Mucilage binding is fixedly connected upper end rebound 4 successively with section 82 under upper insulation；It is saved under section 91, lower end rebound 5, lower insulation in lower insulation
92 are fixedly connected with bottom plate 12 successively mucilage binding.
High-field electrode 1 carries ballast current conductor as casing, with 12 short circuit of upper head plate 11 and bottom plate, is in high potential.It connects
Ground electrode 3 and ground connection cylinder 6 connect, and are in ground potential.Target 2 and 5 short circuit of upper end rebound 4 and lower end rebound, three
Equipotential is calculated by designing, and voltage is about high voltage half herein.Ensure the piece electrical performance of casing.
In addition to the implementation, the present invention can also have other embodiment.For example structure of the invention is used in outside electroceramics
Insulate wall bushing, it is all using equivalent substitution or equivalent transformation formed technical solution, all fall within the present invention claims protection model
It encloses.
Claims (10)
1. a kind of extra-high-voltage alternating current bushing shell for transformer, including：It is individually fixed in the upper insulated part of ground connection cylinder both sides and lower insulation
Part, runs through the high-field electrode of the upper insulated part and lower insulated part, and is fixed on the grounding electrode of ground connection cylinder inner wall,
It is characterized in that：Upper insulated part, which has, to be saved in the upper insulation being connected as one by upper end rebound under section and upper insulation, lower exhausted
Edge point under section in the lower insulation being connected as one by lower end rebound and lower insulation with saving, and the upper insulated part is under
Insulated part is internally provided with the target between grounding electrode and high-field electrode, the upper and lower ends of the target
It is fixed respectively by upper end rebound and lower end rebound.
2. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：Top is saved in the upper insulation to set
It is equipped with upper head plate, bottom end is saved under lower insulation and is provided with bottom plate.
3. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：It is saved in the upper insulation and upper exhausted
Surface is saved under edge has silicon rubber umbrella.
4. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：It is grounded at cylinder and is measured equipped with end shield
Terminal, current transformer and for installing flange arrangement on the transformer.
5. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：The upper insulated part and it is lower absolutely
Edge is divided into glass steel material.
6. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：On the upper head plate, upper insulation
Mucilage binding successively is saved under section, upper end rebound and upper insulation to be fixedly connected.
7. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：Section, lower end in the lower insulation
Section is fixedly connected with bottom plate successively mucilage binding under rebound, lower insulation.
8. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：High-field electrode and upper head plate and under
End plate short circuit, target and upper end rebound and lower end rebound short circuit.
9. according to claim 1-8 any one of them extra-high-voltage alternating current bushings shell for transformer, it is characterised in that：Filled with exhausted in casing
Edge gas.
10. extra-high-voltage alternating current bushing shell for transformer according to claim 9, it is characterised in that：The insulating gas is hexafluoro
Change sulphur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705659.6A CN106205980B (en) | 2016-08-22 | 2016-08-22 | A kind of extra-high-voltage alternating current bushing shell for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705659.6A CN106205980B (en) | 2016-08-22 | 2016-08-22 | A kind of extra-high-voltage alternating current bushing shell for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106205980A CN106205980A (en) | 2016-12-07 |
| CN106205980B true CN106205980B (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610705659.6A Active CN106205980B (en) | 2016-08-22 | 2016-08-22 | A kind of extra-high-voltage alternating current bushing shell for transformer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206116175U (en) * | 2016-08-22 | 2017-04-19 | 江苏智达高压电气有限公司 | Special high voltage direct current transformer bushing |
| CN106099794A (en) * | 2016-08-22 | 2016-11-09 | 江苏智达高压电气有限公司 | A kind of ultrahigh voltage direct current wall bushing |
| CN107481848A (en) * | 2017-08-08 | 2017-12-15 | 江苏智达高压电气有限公司 | A kind of new structure gas-insulated transformer sleeve pipe |
| CN108962565A (en) * | 2018-08-28 | 2018-12-07 | 山东电力设备有限公司 | A kind of bushing shell for transformer with multi-screen structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1134750A2 (en) * | 2000-03-17 | 2001-09-19 | PASSONI & VILLA S.p.A. | Monolithic insulating bushing |
| CN2591820Y (en) * | 2003-01-07 | 2003-12-10 | 孙闻峰 | Dry high-voltage sleeve |
| CN201398049Y (en) * | 2009-03-13 | 2010-02-03 | 中能电力科技开发有限公司 | Dry type high voltage bushing |
| CN201860065U (en) * | 2010-11-22 | 2011-06-08 | 中国西电电气股份有限公司 | Glue-impregnated capacitance type direct-current wall bushing |
| CN202816510U (en) * | 2011-12-20 | 2013-03-20 | 江苏神马电力股份有限公司 | 1100 kV gas insulation composite bushing |
| CN206116176U (en) * | 2016-08-22 | 2017-04-19 | 江苏智达高压电气有限公司 | Special high voltage transformer bushing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202917270U (en) * | 2012-10-26 | 2013-05-01 | 南京智达电气有限公司 | Extra-high voltage type bushing |
-
2016
- 2016-08-22 CN CN201610705659.6A patent/CN106205980B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1134750A2 (en) * | 2000-03-17 | 2001-09-19 | PASSONI & VILLA S.p.A. | Monolithic insulating bushing |
| CN2591820Y (en) * | 2003-01-07 | 2003-12-10 | 孙闻峰 | Dry high-voltage sleeve |
| CN201398049Y (en) * | 2009-03-13 | 2010-02-03 | 中能电力科技开发有限公司 | Dry type high voltage bushing |
| CN201860065U (en) * | 2010-11-22 | 2011-06-08 | 中国西电电气股份有限公司 | Glue-impregnated capacitance type direct-current wall bushing |
| CN202816510U (en) * | 2011-12-20 | 2013-03-20 | 江苏神马电力股份有限公司 | 1100 kV gas insulation composite bushing |
| CN206116176U (en) * | 2016-08-22 | 2017-04-19 | 江苏智达高压电气有限公司 | Special high voltage transformer bushing |
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| Publication number | Publication date |
|---|---|
| CN106205980A (en) | 2016-12-07 |
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