CN110136941A - A kind of standard potential transformer - Google Patents
A kind of standard potential transformer Download PDFInfo
- Publication number
- CN110136941A CN110136941A CN201910532600.5A CN201910532600A CN110136941A CN 110136941 A CN110136941 A CN 110136941A CN 201910532600 A CN201910532600 A CN 201910532600A CN 110136941 A CN110136941 A CN 110136941A
- Authority
- CN
- China
- Prior art keywords
- disc insulator
- gas chamber
- standard potential
- potential transformer
- spatia
- 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
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a kind of standard potential transformers, including pedestal, the top of the pedestal is provided with metal can and casing from the inside to the outside, spatia is formed between the metal can and body, disc insulator A is respectively arranged in the spatia from the inside to the outside and spatia is separated into tank body gas chamber, transition gas chamber and casing gas chamber by disc insulator B, the disc insulator A and disc insulator B from the inside to the outside.The standard potential transformer, the safe and simple convenience of wiring, it is convenient for outer construction frequency voltage system test voltage transformer error, docking mouth docking test GIS PT error is carried out after internal air pressure can also be reduced simultaneously, insulation performance is reliable, and interior insulation uses SF6 gas-insulated, product is safe and reliable to operation, external insulation uses silicone rubber sleeve, also can guarantee dielectric strength, the danger such as no wet sudden strain of a muscle under the high environment of humidity.
Description
Technical field
The present invention relates to voltage transformer technical fields, specially standard potential transformer.
Background technique
For voltage transformer using advanced around rewinding material technology, iron core is rolled by whole oriented tapes shape silicon steel sheet,
And bring down a fever processing through vacuum, without air gap in iron core, there is good magnetic property, mutual inductor is by laboratory and field-checking work
Come what is designed, mutual inductor can be more suitable for using at the scene condition in use for laboratory.Insulation uses poured with epoxy resin, integraty
Can be good, it is compact-sized, it is small in size, it is light-weight.
Standard potential transformer voltage class be it is corresponding with electric system primary equipment voltage class, be divided into 6kV,
The accuracy of 10kV, 35kV, 110kV, 220kV, 500kV, 750kV, 1000kV etc., standard potential transformer are high, generally have
0.05 grade, 0.02 grade, 0.01 grade, 0.005 grade and 0.002 grade etc.；110kV and 220kV is now common voltage class, and same
When need to measure the two grades mutual inductor probability it is very large, we generally can respectively use 110kV and 220kV mark
Quasi- voltage transformer is detected, and the equipment measured in this way is more, and the process of more exchange device is complicated when test, and heavy workload also has
The standard potential transformer of some 220kV grades can take into account the voltage transformer of measurement 110kV grade, but measurement is accurate
Degree is not high, and test process is cumbersome, and insulation mode is single.
Summary of the invention
The purpose of the present invention is to provide a kind of standard potential transformers, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of standard potential transformer, including pedestal, institute
The top for stating pedestal is provided with metal can and casing from the inside to the outside；
Spatia is formed between the metal can and body, is respectively arranged with disc insulator from the inside to the outside in the spatia
Spatia is separated into tank body gas chamber, mistake by A and disc insulator B, the disc insulator A and disc insulator B from the inside to the outside
Gas chamber and casing gas chamber are crossed, is provided with detection pipeline on the pedestal, close to setting at detection pipeline location on the metal can
Detection mouth is equipped with, close to being provided with opening, institute at detection pipeline and detection mouth on the disc insulator A and disc insulator B
It states and is provided with buckle closure in opening.
Preferably, the buckle closure is set to the outside of disc insulator A and disc insulator B.
Preferably, the quadrangle of the buckle closure passes through three bolts and a hinge respectively and disc insulator A and benzvalene form are exhausted
Edge B is connected.
Preferably, the detection mouth, opening and detection pipeline are in same central axis.
Preferably, insulation assembly is provided in described sleeve pipe, the insulation assembly includes the inner sidewall for being set to casing
Silicone rubber sleeve and the SF6 gas being filled in spatia.
Preferably, the inner sidewall surrounding of the buckle closure is provided with gasket.
Preferably, the SF6 gas is filled with respectively in tank body gas chamber, transition gas chamber and casing gas room.
Compared with prior art, the beneficial effects of the present invention are:
One, the standard potential transformer, the safe and simple convenience of wiring are convenient for outer construction frequency voltage system test voltage mutual inductance
Device error, while docking mouth docking test GIS PT error is carried out after internal air pressure can also be reduced.
Two, the standard potential transformer, insulation performance is reliable, and interior insulation uses SF6 gas-insulated, and product operational safety can
It leans on, external insulation uses silicone rubber sleeve, also can guarantee dielectric strength, the danger such as no wet sudden strain of a muscle under the high environment of humidity.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present invention detection pipeline structural schematic diagram；
Fig. 3 is silicone rubber sleeve structural schematic diagram of the present invention；
Fig. 4 is cover-buckling structure schematic diagram of the present invention.
In figure: 1, casing, 2 metal cans, 3, pedestal, 4, detection pipeline, 5, spatia, 6, buckle closure, 7, detection mouth, 8, open
Mouthful, 9, tank body gas chamber, 10, disc insulator A, 11, transition gas chamber, 12, disk insulator B, 13, casing gas chamber, 14, silicon rubber
Casing, 15, bolt, 16, hinge.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of standard potential transformer, including pedestal 3, pedestal 3
Top be provided with metal can 2 and casing 1 from the inside to the outside；
Spatia 5 is formed between metal can 2 and body 1, is respectively arranged with disc insulator A10 from the inside to the outside in spatia 5
With disc insulator B12, disc insulator A10 and disc insulator B12 by spatia 5 be separated into from the inside to the outside tank body gas chamber 9,
Transition gas chamber 11 and casing gas chamber 13；
It should be noted that being separated into the design of three gas chambers using two disc insulators, outer construction can be taken in test
Frequency voltage system, test voltage transformer error；
Detection pipeline 4 is provided on pedestal 3, close to detection mouth 7 is provided at detection 4 position of pipeline on metal can 2, benzvalene form is exhausted
Close to being provided with opening 8 at detection pipeline 4 and detection mouth 7 on edge A10 and disc insulator B12, detection mouth 7, opening 8 and inspection
Test tube road 4 is in same central axis, is provided with buckle closure 6 in opening 8, the inner sidewall surrounding of buckle closure 6 is provided with gasket, buckle closure
6 quadrangle passes through three bolts 15 respectively and a hinge 16 is connected with disc insulator A10 and disc insulator B12, buckle closure 6
It is set to the outside of disc insulator A10 and disc insulator B12；
It should be noted that removing tank body gas chamber and transition gas chamber junction, junction is the buckle closure 6 in opening 8, will
GTU experimental rig is packed into detection pipeline 4, and tank body gas chamber and casing gas chamber only need to reduce air pressure at this time, can be by standard tank body
Disc insulator docked mouth to mouth with GTU experimental rig pipeline, for testing GIS PT error；
Insulation assembly is provided in casing 1, insulation assembly includes being set to the silicone rubber sleeve 14 of the inner sidewall of casing 1 and being filled with
SF6 gas in spatia 5, SF6 gas are filled with respectively in tank body gas chamber 9, transition gas chamber 11 and casing gas chamber 13, pass through gas
The double insulation of insulation and silicone rubber sleeve improves insulation performance, and interior insulation uses SF6 gas-insulated, and product operational safety can
It leans on.External insulation uses silicone rubber sleeve, also can guarantee dielectric strength, the danger such as no wet sudden strain of a muscle under the high environment of humidity.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. the top of a kind of standard potential transformer, including pedestal (3), the pedestal (3) is provided with metal can from the inside to the outside
(2) and casing (1), it is characterised in that:
Spatia (5) are formed between the metal can (2) and body (1), are respectively set from the inside to the outside in the spatia (5)
Have disc insulator A(10) and disc insulator B(12), the disc insulator A(10) and disc insulator B(12) by gap
Chamber (5) is separated into tank body gas chamber (9), transition gas chamber (11) and casing gas chamber (13) from the inside to the outside, is provided on the pedestal (3)
It detects pipeline (4), close to detection mouth (7) are provided at detection pipeline (4) position on the metal can (2), the benzvalene form is exhausted
Edge A(10) and disc insulator B(12) on close to detection pipeline (4) and detection mouth (7) at be provided with opening (8), it is described to open
Buckle closure (6) are provided on mouth (8).
2. a kind of standard potential transformer according to claim 1, it is characterised in that: it is exhausted that the buckle closure 6 is set to benzvalene form
Edge A(10) and disc insulator B(12) outside.
3. a kind of standard potential transformer according to claim 1, it is characterised in that: distinguish the quadrangle of the buckle closure (6)
It is connected by three bolts (15) and a hinge (16) with disc insulator A(10) and disc insulator B(12).
4. a kind of standard potential transformer according to claim 1, it is characterised in that: the detection mouth (7), opening (8)
Same central axis is in detection pipeline (4).
5. a kind of standard potential transformer according to claim 1, it is characterised in that: be provided in described sleeve pipe (1) absolutely
Edge component, the insulation assembly include being set to the silicone rubber sleeve (14) of the inner sidewall of casing (1) and being filled in spatia (5)
SF6 gas.
6. a kind of standard potential transformer according to claim 1, it is characterised in that: the inner sidewall four of the buckle closure (6)
Week is provided with gasket.
7. a kind of standard potential transformer according to claim 5, it is characterised in that: the SF6 gas is filled with tank respectively
In body gas chamber (9), transition gas chamber (11) and casing gas chamber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910532600.5A CN110136941A (en) | 2019-06-19 | 2019-06-19 | A kind of standard potential transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910532600.5A CN110136941A (en) | 2019-06-19 | 2019-06-19 | A kind of standard potential transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110136941A true CN110136941A (en) | 2019-08-16 |
Family
ID=67578135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910532600.5A Pending CN110136941A (en) | 2019-06-19 | 2019-06-19 | A kind of standard potential transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110136941A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919481Y (en) * | 2006-06-15 | 2007-07-04 | 武汉高压研究所 | 765kV electromagnetic standard voltage mutual inductor with single stage structure |
| CN202421414U (en) * | 2011-11-15 | 2012-09-05 | 国网电力科学研究院 | Super and extra high pressure oil-SF6 sleeve testing apparatus |
| CN102737826A (en) * | 2012-06-05 | 2012-10-17 | 平高集团有限公司 | Mutual inductor |
| CN202870288U (en) * | 2012-09-05 | 2013-04-10 | 山东鼎鑫电气科技有限公司 | Totally closed 500kV electromagnetic voltage transformer test unit |
| CN203149046U (en) * | 2013-01-18 | 2013-08-21 | 辽宁新明互感器有限公司 | Inverted gas-insulated voltage transformer testing device for GISs |
| CN109613406A (en) * | 2018-12-29 | 2019-04-12 | 沈阳工业大学 | A kind of experimental rig and method of disc insulator edge flashing electric discharge observation |
-
2019
- 2019-06-19 CN CN201910532600.5A patent/CN110136941A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919481Y (en) * | 2006-06-15 | 2007-07-04 | 武汉高压研究所 | 765kV electromagnetic standard voltage mutual inductor with single stage structure |
| CN202421414U (en) * | 2011-11-15 | 2012-09-05 | 国网电力科学研究院 | Super and extra high pressure oil-SF6 sleeve testing apparatus |
| CN102737826A (en) * | 2012-06-05 | 2012-10-17 | 平高集团有限公司 | Mutual inductor |
| CN202870288U (en) * | 2012-09-05 | 2013-04-10 | 山东鼎鑫电气科技有限公司 | Totally closed 500kV electromagnetic voltage transformer test unit |
| CN203149046U (en) * | 2013-01-18 | 2013-08-21 | 辽宁新明互感器有限公司 | Inverted gas-insulated voltage transformer testing device for GISs |
| CN109613406A (en) * | 2018-12-29 | 2019-04-12 | 沈阳工业大学 | A kind of experimental rig and method of disc insulator edge flashing electric discharge observation |
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| 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: 20190816 |