CN206116176U - Special high voltage transformer bushing - Google Patents
Special high voltage transformer bushing Download PDFInfo
- Publication number
- CN206116176U CN206116176U CN201620921508.XU CN201620921508U CN206116176U CN 206116176 U CN206116176 U CN 206116176U CN 201620921508 U CN201620921508 U CN 201620921508U CN 206116176 U CN206116176 U CN 206116176U
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- Prior art keywords
- insulation
- extra
- alternating current
- voltage alternating
- bushing shell
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Abstract
The utility model relates to a special high voltage transformer bushing, include: the last insulation part that is fixed in ground connection section of thick bamboo both sides respectively and insulation part down run through insulation part and insulation part's down high voltage electrode and fix the telluric electricity field at ground connection section of thick bamboo inner wall, go up insulation part and have and go up lower section of insulating upper segment and last insulation through upper end transition plate connected is as an organic whole, and lower insulation part has through lower section of lower extreme transition plate connected lower insulating upper segment as an organic whole and lower insulation, upward insulation part and lower insulation part inside are provided with the target between telluric electricity field and high voltage electrode, cab apron and lower extreme are crossed through the upper end respectively in the upper and lower both ends of target, and to cross the cab apron fixed. Compare with transformer tradition sleeve pipe, the utility model discloses the sleeve pipe has that production cycle weak point, light in weight, low in manufacturing cost, bending strength are high, operation safe and reliable and showing advantage such as improvement electric property.
Description
Technical field
This utility model is related to a kind of extra-high voltage sleeve pipe, specifically a kind of new structure extra-high-voltage alternating current transformator set
Pipe, is mainly used on the transformator of 750kV and above.
Background technology
At present, transformator extra-high-voltage alternating current bushing shell for transformer is broadly divided into paper condenser and glue impregnated paper condenser type two
Kind, external insulation generally adopts insulator, insulator to be highly more than 7m, affected by porcelain piece manufacturing process, and insulator is led to after single-unit burns till
Bonding twice firing is crossed, porcelain piece long the production cycle, qualification rate are low, manufacturing cost is high.Major insulation capacitor core is by several electricity
Pole even voltage, more than 100, core diameter is especially big for number of poles, and process cycle is very long, in the fabrication process any electricity
Interpolar existing defects can all cause product electric property unqualified.Voltage, electric current, pulling force, vibrations, wind are subject to when sleeve pipe runs
Many combined influences such as power, earthquake, once faulty have risk on fire from explosion.
The content of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided a kind of extra-high-voltage alternating current
Bushing shell for transformer, the sleeve pipe is with short production cycle, lightweight, low cost of manufacture, bending strength are high, safe and reliable to operation, significantly carries
High electrical property.
In order to solve above technical problem, the extra-high-voltage alternating current bushing shell for transformer that this utility model is provided, including：It is solid respectively
Due to the upper insulated part and lower insulated part of ground connection cylinder both sides, through the upper insulated part and the high-tension electricity of lower insulated part
Pole, and it is fixed on the ground electrode of ground connection cylinder inwall, it is characterised in that：Upper insulated part have be connected as by upper end rebound
Save under section and upper insulation in the upper insulation of one, lower insulated part is had in the lower insulation connected as one by lower end rebound
Save under section and lower insulation, the upper insulated part and lower insulated part are internally provided between ground electrode and high-field electrode
Target, the upper and lower ends of the target are fixed by upper end rebound and lower end rebound respectively.
In order to further solve above technical problem, this utility model also has following feature：
1st, top is saved in the upper insulation and is provided with upper head plate, bottom is saved under lower insulation and is provided with bottom plate.
2nd, surface is saved with silicon rubber umbrella under section and upper insulation in the upper insulation.
3rd, it is grounded at cylinder equipped with end shield measurement terminal, current transformer and for installing flange arrangement on the transformer.
4th, the upper insulated part and lower insulated part are glass steel material.
5th, the upper head plate, section, upper end rebound are fixedly connected with mucilage binding successively is saved under upper insulation in upper insulation.
6th, section in the lower insulation, lower end rebound, save under lower insulation and be fixedly connected with bottom plate successively mucilage binding.
7th, high-field electrode and upper head plate and bottom plate short circuit, target and upper end rebound and lower end rebound short circuit.
8th, it is insulation gas filled in sleeve pipe.
9th, the insulating gas is sulfur hexafluoride.
Upper insulated part is divided into two sections, is saved in upper insulation under section and upper insulation, and centre is connected by upper end rebound.It is upper exhausted
Material is saved for fiberglass under section and upper insulation on edge, each parts directly adopt mucilage binding structure, increased the bulk strength of product,
This kind of design replaces the porcelain overcoat of conventional products, production cycle to shorten, weight（Only oil-impregnated paper condenser type transformer bushing weight
The a quarter of amount）, manufacturing cost is reduced, bending strength is high and safe and reliable to operation.
Lower insulated part is made up of section under section in lower insulation, lower end rebound, lower insulation and bottom plate, and four adopt mucilage binding
Structure, even if inside pipe casing breaks down, the fiberglass mucilage binding structure of high intensity also can guarantee that, it is ensured that become
The operation safety of depressor.
High-field electrode carries ballast current conductor as sleeve pipe, in high potential.Target and upper end rebound, lower end transition
Plate connects, three's isoelectric level, is calculated by designing, and makes capacitance C1 between high-field electrode and target be approximately equal to middle electricity
Capacitance C2 between pole and ground electrode, so that voltage is about high voltage half at target.Ground electrode and ground connection
Cylinder connection, in ground potential.Ensure the piece electrical performance of sleeve pipe.
Description of the drawings
Fig. 1 is this utility model extra-high-voltage alternating current bushing shell for transformer structural representation.
In figure, label is schematically as follows：
1- high-field electrodes, 2- targets, 3- ground electrodes, 4- upper ends rebound, 5- lower ends rebound, 6- ground connection cylinders,
7- spring structures, save in insulation on 81-, and insulate on 82- lower section, and 83- silicon rubber umbrellas are saved in insulation under 91-, insulated under 92-
Lower section, 10- insulating gas, 11- upper head plates, 12- bottom plates.
Specific embodiment
This utility model is described in further detail with reference to embodiment.But this utility model is not limited to given
Example.
As shown in figure 1, the present embodiment extra-high-voltage alternating current bushing shell for transformer, is grounded the upper of 6 both sides of cylinder including being individually fixed in
Insulated part and lower insulated part, through upper insulated part and the high-field electrode 1 of lower insulated part, and are fixed in ground connection cylinder 6
The ground electrode 3 of wall, sleeve pipe passes through spring structure 7 and sealing member ensures in the sealing of cannula tip, sleeve pipe filled with sulfur hexafluoride
Insulating gas 10.Equipped with end shield measurement terminal, current transformer and for installing flange arrangement on the transformer at ground connection cylinder.
Wherein, upper insulated part is had in the upper insulation connected as one by upper end rebound 4 and saves 82 under section 81 and upper insulation, 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 have connected by lower end rebound 5
Being connected in the lower insulation of one and 92 being saved under section 91 and lower insulation, upper insulated part and lower insulated part are internally provided between ground connection
Target 2 between electrode 3 and high-field electrode 1, the upper and lower ends of target 2 pass through upper end rebound 4 and lower end respectively
Rebound 5 is fixed.81 tops are saved in upper insulation and is provided with upper head plate 11,92 bottoms are saved under lower insulation and be 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；Section 91, lower end rebound 5 in lower insulation, save under lower insulation
92 are fixedly connected with bottom plate 12 successively mucilage binding.
High-field electrode 1 carries ballast current conductor, and 12 short circuit of upper head plate 11 and bottom plate, in high potential as sleeve pipe.Connect
Ground electrode 3 and ground connection cylinder 6 connect, in ground potential.Target 2 and 5 short circuit of upper end rebound 4 and lower end rebound, three
Isoelectric level, is calculated by designing, and voltage is about high voltage half herein.Ensure the piece electrical performance of sleeve pipe.
In addition to the implementation, this utility model can also have other embodiment.Such as this utility model structure is used
In the technical scheme that electroceramics external insulation wall bushing, all employing equivalents or equivalent transformation are formed, this utility model is all fallen within
The protection domain of requirement.
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, through the upper insulated part and the high-field electrode of lower insulated part, and is fixed on the ground electrode for being grounded cylinder inwall, its
It is characterised by：Upper insulated part is with saving under section in the upper insulation connected as one by upper end rebound and upper insulation, lower exhausted
With saving under section in the lower insulation connected as one by lower end rebound and lower insulation, the upper insulated part is with for edge point
Insulated part is internally provided with the target between ground electrode and high-field electrode, the upper and lower ends of the target
Fixed by upper end rebound and lower end rebound respectively.
2. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：Save top to set in the upper insulation
Upper head plate is equipped with, bottom 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：Save in the upper insulation and upper exhausted
Surface is saved under edge and has silicon rubber umbrella.
4. extra-high-voltage alternating current bushing shell for transformer according to claim 1, it is characterised in that：Measure equipped with end shield at ground connection cylinder
Terminal, current transformer and the flange arrangement for installation 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
Section, upper end rebound are fixedly connected with mucilage binding successively is saved under upper insulation.
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
Under rebound, lower insulation, section is fixedly connected with bottom plate successively mucilage binding.
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. the extra-high-voltage alternating current bushing shell for transformer according to any one of claim 1-8, it is characterised in that：Filled with exhausted in sleeve pipe
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 sulfur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921508.XU CN206116176U (en) | 2016-08-22 | 2016-08-22 | Special high voltage transformer bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921508.XU CN206116176U (en) | 2016-08-22 | 2016-08-22 | Special high voltage transformer bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116176U true CN206116176U (en) | 2017-04-19 |
Family
ID=58511431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620921508.XU Expired - Fee Related CN206116176U (en) | 2016-08-22 | 2016-08-22 | Special high voltage transformer bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206116176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-08-22 CN CN201620921508.XU patent/CN206116176U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106205980B (en) * | 2016-08-22 | 2018-08-31 | 江苏智达高压电气有限公司 | A kind of extra-high-voltage alternating current bushing shell for transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20200822 |