CN107481848A - A kind of new structure gas-insulated transformer sleeve pipe - Google Patents
A kind of new structure gas-insulated transformer sleeve pipe Download PDFInfo
- Publication number
- CN107481848A CN107481848A CN201710668641.8A CN201710668641A CN107481848A CN 107481848 A CN107481848 A CN 107481848A CN 201710668641 A CN201710668641 A CN 201710668641A CN 107481848 A CN107481848 A CN 107481848A
- Authority
- CN
- China
- Prior art keywords
- insulation
- electrode
- ground connection
- sleeve pipe
- end shield
- 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.)
- Pending
Links
- 238000009413 insulation Methods 0.000 claims abstract description 63
- 239000012212 insulator Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229920000715 Mucilage Polymers 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 238000009422 external insulation Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/26—Lead-in insulators; Lead-through insulators
- H01B17/28—Capacitor type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
Abstract
The invention discloses a kind of new structure gas-insulated transformer sleeve pipe, including high-field electrode, bucking electrode, upper insulation, ground connection cylinder and lower insulation, the upper and lower ends of the ground connection cylinder are connected with upper insulation and lower insulated enclosure respectively, high-field electrode is concentric to insulate, in ground connection cylinder and lower insulation located at upper, and the upper end of high-field electrode is stretched in outside insulation, lower end is stretched in outside lower insulation, bucking electrode it is concentric located at the outside of high-field electrode, and bucking electrode is placed in insulation, bucking electrode is connected with ground connection cylinder.Conventional condenser sleeve pipe equalizing capacitance screen is reduced to high-field electrode and grounding electrode two parts by the present invention, and dielectric is SF6 gases between electrode；External insulation uses overall structure, and lower insulation uses overall mucilage binding structure；Compared with traditional sleeve, sleeve pipe of the present invention has the advantages that with short production cycle, in 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 new structure gas-insulated transformer sleeve pipe.
Background technology：
At present, 66kV to 220kV voltage class bushing shell for transformer mainly has two kinds of paper condenser and glue impregnated paper condenser type, oilpaper
There is aging equivalent risk in condenser-type terminal, need often to carry out Inspection and maintenance in sleeve pipe running；And resin impregnated paper bushing master
The electric capacity core material that insulate cost is high, and manufacturing process is complicated.Particularly super-pressure, extra-high voltage sleeve pipe, influence factor are more obvious.
By many combined influences such as voltage, electric current, pulling force, vibrations, wind-force, earthquake when sleeve pipe is run, once faulty presence
Risk on fire from explosion.
The content of the invention：
The present invention is to provide a kind of new structure gas-insulated transformer set to solve the above-mentioned problems of the prior art
Pipe.
The technical solution adopted in the present invention has：A kind of new structure gas-insulated transformer sleeve pipe, including high-field electrode,
Bucking electrode, upper insulation, ground connection cylinder and lower insulation, the upper and lower ends of the ground connection cylinder connect with upper insulation and lower insulated enclosure respectively
Connecing, high-field electrode is concentric to be insulated, in ground connection cylinder and lower insulation located at upper, and the upper end of high-field electrode is stretched in outside insulation,
Lower end is stretched in outside lower insulation, bucking electrode it is concentric located at the outside of high-field electrode, and bucking electrode is placed in insulation, screen
Electrode is covered with ground connection cylinder to be connected.
Further, the material of the upper insulation uses glass steel material or porcelain.
Further, the outer surface of the upper insulation has silicon rubber umbrella.
Further, the material of the lower insulation uses fiberglass.
Further, the ground connection cylinder is provided with end shield measurement structure, and the end shield measurement structure includes end shield insulator, end
Shield lead, insulation supporting cylinder and end shield electrode, the end shield insulator is connected on ground connection cylinder, and insulation supporting cylinder is embedded in ground connection
On the inwall of cylinder, end shield electrode is arranged on the inwall of insulation supporting cylinder, and one end of end shield lead is connected with end shield electrode, another
End is connected through insulation supporting cylinder with ground connection cylinder and end shield insulator.
Further, the end shield electrode is formed by the way that conductive material is brushed or be bonded on insulation supporting cylinder.
Further, the thickness of the insulation supporting cylinder is 0.5mm-5mm.
The present invention has the advantages that：
Conventional condenser sleeve pipe equalizing capacitance screen is reduced to high-field electrode and grounding electrode two parts, electric electrode insulation by the present invention
Medium is SF6 gases；External insulation uses overall structure, and lower insulation uses overall mucilage binding structure；Compared with traditional sleeve, the present invention
Sleeve pipe has that with short production cycle, in light weight, manufacturing cost is low, bending strength is high, safe and reliable to operation and significantly improve electrical resistance
The advantages that energy.
Brief description of the drawings：
Fig. 1 is structure chart of the present invention.
Fig. 2 is the structure chart of end shield measurement structure in the present invention.
Embodiment：
Type of the present invention is further described below in conjunction with the accompanying drawings.
Such as Fig. 1 and Fig. 2, a kind of new structure gas-insulated transformer sleeve pipe of the present invention, including high-field electrode 1, shielding electricity
Pole 2, upper insulation 3, ground connection cylinder 4 and lower insulation 5, the upper and lower ends for being grounded cylinder 4 are tightly connected with upper insulation 3 and lower insulation 5 respectively,
High-field electrode 1 is concentric to insulate in 3, ground connection cylinder 4 and lower insulation 5 located at upper, and the upper end of high-field electrode 1 stretches in insulation 3
Outside, lower end is stretched in outside lower insulation 5, bucking electrode 2 it is concentric located at the outside of high-field electrode 1, and bucking electrode 2 is placed in absolutely
In edge 3, bucking electrode 2 is connected with ground connection cylinder 4.
High-field electrode 1 and bucking electrode 2 in the present invention form interior insulation, bucking electrode 2 and the ground connection composition ground connection electricity of cylinder 4
Pole, high-field electrode 1 are conducting rods.
The upper end of lower insulation 5 and the ground connection mucilage binding of cylinder 4 are sealed into an entirety, and the material of upper insulation 3 uses glass steel material
Or porcelain.Has silicon rubber umbrella 31 in the outer surface of upper insulation 3.The material of lower insulation 5 uses fiberglass, is overall mucilage binding
Structure.
SF6 gases are filled inside bushing shell for transformer of the present invention as dielectric.
End shield measurement structure is provided with ground connection cylinder 4, the end shield measurement structure includes end shield insulator 44, end shield lead
45th, insulation supporting cylinder 46 and end shield electrode 47, end shield insulator 44 is connected on ground connection cylinder 4, for measurement signal will be drawn
Insulating sleeve.Insulation supporting cylinder 46 is embedded on the inwall of ground connection cylinder 4, and end shield electrode 47 is arranged on the inwall of insulation supporting cylinder 46
On, one end of end shield lead 45 is connected with end shield electrode 47, and the other end is through insulation supporting cylinder 46 and is grounded cylinder 4 and exhausted with end shield
Edge 44 is connected.
End shield electrode 47 in the present invention is formed by the way that conductive material is brushed or be bonded on insulation supporting cylinder 46.
First through hole is provided with insulation supporting cylinder 46, the second through hole is provided with ground connection cylinder 4, first through hole and second are led to
Hole is connected, and end shield lead 45 is arranged in first and second through hole, and one end is welded with the phase of end shield electrode 47, the other end and end shield
The phase of insulator 44 is welded.
The thickness of insulation supporting cylinder 46 is 0.5mm-5mm, is embedded on the inwall of ground connection cylinder 4, surface is non-bulging, will not be right
Insulating sleeve entirety Electric Field Distribution impacts.
End shield measurement structure is used for the partial discharge quantity, dielectric loss angle tangent and capacitance for measuring sleeve pipe, Ke Yizuo
Voltage is measured for voltage divider, on-Line Monitor Device interface can also be used as.
High-field electrode 1 in the present invention carries ballast current conductor as sleeve pipe, in high potential, bucking electrode 2 and ground connection cylinder 4
It is connected and is in low potential.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, some improvement can also be made under the premise without departing from the principles of the invention, and these improvement also should be regarded as the present invention's
Protection domain.
Claims (7)
- A kind of 1. new structure gas-insulated transformer sleeve pipe, it is characterised in that：Including high-field electrode（1）, bucking electrode（2）、 Upper insulation（3）, ground connection cylinder（4）With lower insulation（5）, the ground connection cylinder（4）Upper and lower ends respectively with upper insulation（3）With lower insulation （5）It is tightly connected, high-field electrode（1）Concentric is located at upper insulation（3）, ground connection cylinder（4）With lower insulation（5）It is interior, and high-tension electricity Pole（1）Upper end stretch in insulation（3）Outside, lower end stretches in lower insulation（5）Outside, bucking electrode（2）Concentric is located at high-tension electricity Pole（1）Outside, and bucking electrode（2）It is placed in insulation（3）It is interior, bucking electrode（2）With ground connection cylinder（4）It is connected.
- 2. new structure gas-insulated transformer sleeve pipe as claimed in claim 1, it is characterised in that：The upper insulation（3）'s Material uses glass steel material or porcelain.
- 3. new structure gas-insulated transformer sleeve pipe as claimed in claim 1, it is characterised in that：The upper insulation（3）'s Has silicon rubber umbrella in outer surface（31）.
- 4. new structure gas-insulated transformer sleeve pipe as claimed in claim 1, it is characterised in that：The lower insulation（5）'s Material uses fiberglass.
- 5. new structure gas-insulated transformer sleeve pipe as claimed in claim 1, it is characterised in that：The ground connection cylinder（4）On Provided with end shield measurement structure, the end shield measurement structure includes end shield insulator（44）, end shield lead（45）, insulation supporting cylinder（46） With end shield electrode（47）, the end shield insulator（44）It is connected to ground connection cylinder（4）On, insulation supporting cylinder（46）It is embedded in ground connection cylinder （4）Inwall on, end shield electrode（47）It is arranged on insulation supporting cylinder（46）Inwall on, end shield lead（45）One end and end shield Electrode（47）It is connected, the other end passes through insulation supporting cylinder（46）With ground connection cylinder（4）And end shield insulator（44）It is connected.
- 6. new structure gas-insulated transformer sleeve pipe as claimed in claim 5, it is characterised in that：The end shield electrode（47） It is by insulation supporting cylinder（46）Upper brushing is bonded conductive material and formed.
- 7. new structure gas-insulated transformer sleeve pipe as claimed in claim 5, it is characterised in that：The insulation supporting cylinder （46）Thickness be 0.5mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668641.8A CN107481848A (en) | 2017-08-08 | 2017-08-08 | A kind of new structure gas-insulated transformer sleeve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668641.8A CN107481848A (en) | 2017-08-08 | 2017-08-08 | A kind of new structure gas-insulated transformer sleeve pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107481848A true CN107481848A (en) | 2017-12-15 |
Family
ID=60598947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710668641.8A Pending CN107481848A (en) | 2017-08-08 | 2017-08-08 | A kind of new structure gas-insulated transformer sleeve pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107481848A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643863A (en) * | 2021-05-26 | 2021-11-12 | 江苏智达高压电气有限公司 | A new type of dry bushing for power system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202282231U (en) * | 2011-11-01 | 2012-06-20 | 江苏思源赫兹互感器有限公司 | Transformer bushing |
| CN106205980A (en) * | 2016-08-22 | 2016-12-07 | 江苏智达高压电气有限公司 | A kind of extra-high-voltage alternating current bushing shell for transformer |
| CN106782940A (en) * | 2017-01-24 | 2017-05-31 | 江苏智达高压电气有限公司 | A kind of high-voltage direct-current sleeve of electric resistance partial pressure |
| CN206789408U (en) * | 2017-03-29 | 2017-12-22 | 江苏智达高压电气有限公司 | A kind of gas-insulated transformer sleeve pipe |
| CN207268981U (en) * | 2017-08-08 | 2018-04-24 | 江苏智达高压电气有限公司 | A kind of new structure gas-insulated transformer casing |
-
2017
- 2017-08-08 CN CN201710668641.8A patent/CN107481848A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202282231U (en) * | 2011-11-01 | 2012-06-20 | 江苏思源赫兹互感器有限公司 | Transformer bushing |
| CN106205980A (en) * | 2016-08-22 | 2016-12-07 | 江苏智达高压电气有限公司 | A kind of extra-high-voltage alternating current bushing shell for transformer |
| CN106782940A (en) * | 2017-01-24 | 2017-05-31 | 江苏智达高压电气有限公司 | A kind of high-voltage direct-current sleeve of electric resistance partial pressure |
| CN206789408U (en) * | 2017-03-29 | 2017-12-22 | 江苏智达高压电气有限公司 | A kind of gas-insulated transformer sleeve pipe |
| CN207268981U (en) * | 2017-08-08 | 2018-04-24 | 江苏智达高压电气有限公司 | A kind of new structure gas-insulated transformer casing |
Non-Patent Citations (1)
| Title |
|---|
| 段明才 等: "220kV主变套管末屏绝缘异常的多状态量综合诊断及处理" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643863A (en) * | 2021-05-26 | 2021-11-12 | 江苏智达高压电气有限公司 | A new type of dry bushing for power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |