CN108305726A - A kind of disc insulator and preparation method thereof inhibiting function with VFTO - Google Patents
A kind of disc insulator and preparation method thereof inhibiting function with VFTO Download PDFInfo
- Publication number
- CN108305726A CN108305726A CN201810102505.7A CN201810102505A CN108305726A CN 108305726 A CN108305726 A CN 108305726A CN 201810102505 A CN201810102505 A CN 201810102505A CN 108305726 A CN108305726 A CN 108305726A
- Authority
- CN
- China
- Prior art keywords
- vfto
- disc insulator
- interference component
- inserts
- magnet ring
- 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
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
-
- 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
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
Landscapes
- Insulating Bodies (AREA)
- Insulators (AREA)
Abstract
This application involves electrotechnics equipment manufacturing technology fields, and in particular to a kind of disc insulator and preparation method thereof inhibiting function with VFTO.In the actual motion of GIS device, unidentified flashover caused by VFTO and secondary side equipment damage case still happen occasionally, but must change existing equipment structure to VFTO suppressing methods at present.The application provides a kind of disc insulator inhibiting function with VFTO, including central inserts, and anti-interference component is provided in the center inserts, and the anti-interference component is sealed with the central inserts glue.The equipment can change the high-frequency circuit parameter of disc insulator by introducing magnet ring, increase the loss of traveling wave energy, the propagation of traveling wave is damped, to inhibit VFTO.
Description
Technical field
This application involves electrotechnics equipment manufacturing technology fields, and in particular to a kind of benzvalene form inhibiting function with VFTO
Insulator and preparation method thereof.
Background technology
As the raising of voltage class of electric power system and input coefficient operation exchange increasing for GIS number of units, GIS device
Internal fault also increase therewith.It in AC transmission system, finds after disconnecting switch disconnection, the abundant residues electricity on busbar
Lotus can make its supporting insulator bear nearly 0.8p.u. DC voltages, will not only be had an impact to the injection of surface Charge,
It will also cause in the presence of adding VFTO outside, to bear quite high transient voltage on insulator, bring sternly insulator stable operation
It endangers again；In addition, in GIS operational process, VFTO will also constitute serious harm to the insulation of GIS adjacent equipments.
The main harm of VFTO is the rising steepness that it is exceedingly fast, and the typical wave head rise time is several nanoseconds, is far above
Lightning surge can not effectively protect this arrester；Multiple breakdown can be reduced using quick acting disconnecting switch
Number, reduce the probability of occurrence of serious VFTO, but the harm of VFTO cannot be eliminated at all.
In the actual motion of GIS device, unidentified flashover caused by VFTO and secondary side equipment damage case still when
There is generation, but existing equipment structure must be changed to VFTO suppressing methods at present.
Invention content
The purpose of the application is the unidentified flashover caused by VFTO and two in order to solve in the actual motion of GIS device
Secondary side apparatus damage case still happens occasionally, but must change existing equipment structure to VFTO suppressing methods at present and ask
Topic.
For this purpose, an embodiment of the present invention provides following technical solutions：A kind of disc insulator inhibiting function with VFTO,
Including central inserts, anti-interference component is provided in the center inserts, the anti-interference component is sealed with the central inserts glue.
Optionally, the anti-interference component includes magnet ring, the geometry of the geometric center of the magnet ring and the central inserts
Center is identical.
Optionally, the magnet ring quantity includes 2.
The application further relates to a kind of disc insulator preparation method inhibiting function with VFTO, and the method includes following
Step：
The trepanning along longitudinal direction in central inserts；
It will be in anti-interference component embedded hole；
Gap between anti-interference component and central inserts carries out vacuum glue envelope；
Disc insulator is poured into a mould using industrialization cast and cures and is surface-treated.
Optionally, the vacuum glue closure material includes epoxy resin.
Optionally, the glass epoxy transition temperature is more than or equal to 130 DEG C.
Optionally, the anti-interference component includes magnet ring.
Technical solution provided in an embodiment of the present invention includes following advantageous effect：The application passes through in disc insulator center
Pre-buried anti-interference component at inserts carries out cast by epoxy resin and seals to replace existing disc insulator center inserts, profit
Disc insulator cast solidification is carried out with industrialization pouring product line and is surface-treated.The equipment can be by introducing magnet ring
Change the high-frequency circuit parameter of disc insulator, increases the loss of traveling wave energy, the propagation of traveling wave is damped, to inhibit VFTO.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, for those of ordinary skills, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of disc insulator vertical section structural schematic diagram inhibiting function with VFTO in the embodiment of the present invention；
Fig. 2 is a kind of disc insulator Structure of cross section schematic diagram inhibiting function with VFTO in the embodiment of the present invention；
Fig. 3 is a kind of disc insulator use state diagram inhibiting function with VFTO in the embodiment of the present invention；
Symbolic indication in Fig. 1~3 is：
The centers 1- inserts, the anti-interference components of 2-.
Specific implementation mode
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, other drawings may also be obtained based on these drawings.
Currently, many enterprises have independent development production exchange GIS abilities both at home and abroad.The built or newly-built exchange in China
330kV and 500kV substations mostly use gas-insulated switchgear device.
At present in super-pressure, extra-high voltage GIS, also using the method for sealing in resistance first during isolator operation
The shortcomings that inhibition traveling wave, this method is the complexity for significantly increasing disconnecting switch structure；Several years ago it has been proposed that by
The method of magnet ring is placed on busbar to inhibit VFTO, however, this method not only increases the complexity of GIS, due to drawing for magnet ring
Enter, change the electric field around GIS busbares, it is likely that the stable operation of equipment will be affected.
Exploitation has the novel device that can inhibit VFTO in GIS on the basis of not changing existing electric network composition, improves
GIS and associate device operation stability have a very important significance.Based on this, the present invention proposes a kind of with VFTO inhibition work(
The disc insulator of energy.
Magnet ring is exactly one piece of cricoid magnetizer as its name suggests.Magnet ring is common anti-interference element in electronic circuit, right
There is good inhibiting effect in high-frequency noise.
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to the application is described in further detail.
Embodiment one
It is a kind of disc insulator inhibiting function with VFTO provided in an embodiment of the present invention referring to Fig. 1~3, including
Central inserts 1 is provided with anti-interference component 2, the anti-interference component 2 and 1 glue of the central inserts in the center inserts 1
Envelope.
Optionally, the anti-interference component 2 includes magnet ring, and the geometric center of the magnet ring is several with the central inserts 1
What center is identical.
Optionally, the magnet ring quantity includes 2.
The application specific work process：Disc insulator plays in GIS or GIL, by the same grounding shell of current－carrying conductor
The effect of separation.Disc insulator main part is epoxy resin alumina composite material, and central conductor is same by central inserts 1
Disc insulator is connected, and shell is connected by being grounded flange with disc insulator.
Embodiment two
Referring to Fig. 1~3, for a kind of disc insulator preparation side inhibiting function with VFTO provided in an embodiment of the present invention
Method the described method comprises the following steps：
The trepanning along longitudinal direction in central inserts；
It will be in anti-interference component embedded hole；
Gap between anti-interference component and central inserts carries out vacuum glue envelope；
Disc insulator is poured into a mould using industrialization cast and cures and is surface-treated.
Optionally, the vacuum glue closure material includes epoxy resin.
Optionally, the glass epoxy transition temperature is more than or equal to 130 DEG C, to prevent insulator from curing
Aging is occurred to glue envelope epoxy resin in the process.
Optionally, the anti-interference component includes magnet ring.
The application specific work process：Disc insulator plays in GIS or GIL, by the same grounding shell of current－carrying conductor
The effect of separation.Disc insulator main part is epoxy resin alumina composite material, and central conductor is same by central inserts 1
Disc insulator is connected, and shell is connected by being grounded flange with disc insulator.
This application involves disc insulator：(1) basin can be passed through under the premise of not increasing existing power grid complexity
Formula insulator is played inhibits function to VFTO；
(2) manufacturing process is identical as existing disc insulator, increase cast complexity, can be made into sealing basin and
Through-hole basin；
(3) manufacture thinking can be applied to each voltage class, it is only necessary to by the disc insulator center of the voltage class
Magnet ring is embedded at inserts, and epoxy glue seals.
The application by epoxy resin pour into a mould close by the pre-buried anti-interference component at the inserts of disc insulator center
Envelope carries out disc insulator cast solidification to replace existing disc insulator center inserts, using industrialization pouring product line and goes forward side by side
Row surface treatment.The equipment can change the high-frequency circuit parameter of disc insulator by introducing magnet ring, increase traveling wave energy
Loss, damps the propagation of traveling wave, to inhibit VFTO.
The above is only the specific implementation mode of the embodiment of the present invention, is made skilled artisans appreciate that or realizing
The present invention.Various modifications to these embodiments will be apparent to one skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein
Consistent widest range.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.
Claims (7)
1. a kind of disc insulator inhibiting function with VFTO, including central inserts (1), which is characterized in that the center is embedding
Anti-interference component (2) is provided in part (1), the anti-interference component (2) is sealed with described central inserts (1) glue.
2. disc insulator as described in claim 1, which is characterized in that the anti-interference component (2) includes magnet ring, the magnetic
The geometric center of ring is identical as the central geometric center of inserts (1).
3. disc insulator as claimed in claim 2, which is characterized in that the magnet ring quantity includes 2.
4. it is a kind of with VFTO inhibit function disc insulator preparation method method, which is characterized in that the method includes with
Lower step：
The trepanning along longitudinal direction in central inserts；
It will be in anti-interference component embedded hole；
Gap between anti-interference component and central inserts carries out vacuum glue envelope；
Disc insulator is poured into a mould using industrialization cast and cures and is surface-treated.
5. method as claimed in claim 4, which is characterized in that the vacuum glue closure material includes epoxy resin.
6. method as claimed in claim 5, which is characterized in that the glass epoxy transition temperature is more than or equal to
130℃。
7. method as claimed in claim 4, which is characterized in that the anti-interference component includes magnet ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102505.7A CN108305726A (en) | 2018-02-01 | 2018-02-01 | A kind of disc insulator and preparation method thereof inhibiting function with VFTO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102505.7A CN108305726A (en) | 2018-02-01 | 2018-02-01 | A kind of disc insulator and preparation method thereof inhibiting function with VFTO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108305726A true CN108305726A (en) | 2018-07-20 |
Family
ID=62850975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810102505.7A Pending CN108305726A (en) | 2018-02-01 | 2018-02-01 | A kind of disc insulator and preparation method thereof inhibiting function with VFTO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108305726A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847430A (en) * | 2017-01-24 | 2017-06-13 | 清华大学 | A kind of electric charge self adaptation dissipation disc insulator |
| CN106972396A (en) * | 2017-03-20 | 2017-07-21 | 平高集团有限公司 | VFTO restraining devices, damping bus unit, bus and GIS |
| CN106992509A (en) * | 2017-05-18 | 2017-07-28 | 中国电力科学研究院 | A kind of laminated bus guide rod and suppressing method for being used to suppress VFTO |
-
2018
- 2018-02-01 CN CN201810102505.7A patent/CN108305726A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847430A (en) * | 2017-01-24 | 2017-06-13 | 清华大学 | A kind of electric charge self adaptation dissipation disc insulator |
| CN106972396A (en) * | 2017-03-20 | 2017-07-21 | 平高集团有限公司 | VFTO restraining devices, damping bus unit, bus and GIS |
| CN106992509A (en) * | 2017-05-18 | 2017-07-28 | 中国电力科学研究院 | A kind of laminated bus guide rod and suppressing method for being used to suppress VFTO |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180720 |