CN207336662U - It is a kind of can fine adjustment transformer oil clearance experiment measuring device - Google Patents
It is a kind of can fine adjustment transformer oil clearance experiment measuring device Download PDFInfo
- Publication number
- CN207336662U CN207336662U CN201721293255.7U CN201721293255U CN207336662U CN 207336662 U CN207336662 U CN 207336662U CN 201721293255 U CN201721293255 U CN 201721293255U CN 207336662 U CN207336662 U CN 207336662U
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- China
- Prior art keywords
- pole plate
- fine adjustment
- transformer oil
- oil clearance
- measuring device
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Abstract
It is a kind of can the experiment of fine adjustment transformer oil clearance measuring device, including babinet, is provided with the high-pressure polar plate with tungsten copper screw thread electrode in the babinet, measuring pad, the protection pole plate with slot is equipped with the babinet.More epoxy resin stays are fixed with the high-pressure polar plate, dead ring, gasket are equipped with the middle part of more epoxy resin stays, fit closely test product insulation paper edge.By protecting slot on pole plate, being placed between high-pressure polar plate, measuring pad, test product insulating paper is fixed on measuring pad epoxy resin stay.The measuring pad is connected with protection pole plate export newel post, measuring electrode export newel post by conducting wire respectively with being equipped with protection pole plate foundation, measuring pad pillar, protection pole plate band groove pillar, measuring pad band groove pillar below protection pole plate.The utility model it is a kind of can the experiment of fine adjustment transformer oil clearance measuring device, which has easy to use, can carry out fine adjustment, accurate to measure transformer oil clearance experiment parameter, quick detachable and the characteristics of easy to cleaning.
Description
Technical field
It the utility model is related to high-voltage insulation technique field, and in particular to one kind can the experiment of fine adjustment transformer oil clearance
Measuring device.
Background technology
The power industry in China quick developing stage, with development of the China to super UHV transmission technology, oil
Immersion transformer has been used as one of very important equipment in power grid.If transformer breaks down, it will influences whole power grid
Normal operation, in some instances it may even be possible to cause the collapse of power grid, to country, enterprise, resident etc. bring serious economic loss or
Personal safety.The damage of oil-immersed transformer and the failure overwhelming majority are as caused by the aging of insulation system, with transformer
The increase of the time limit to be run, is influenced by factors such as temperature, moisture, machineries, its inside will produce the ageing products such as CO, CO2, furfural,
This declines the dielectric strength for causing transformer.Therefore, Accurate Diagnosis most important, the transformer that goes out transformer oil paper insulation state
Built-in electrical insulation structure is mainly insulated by insulating oil, insulating paper and oil clearance composition, oil clearance between insulating paper layer and high-voltage isulation winding
The thickness of oil.So pass through simulation oil in a device, it is necessary to consider the influence of oil clearance when carrying out transformer analog emulation experiment
Gap is tested.
In order to which Accurate Diagnosis goes out transformer oil paper insulation state, it is necessary to carry out corresponding dielectric using three electrode assemblies
Response test, three electrodes are made of high-field electrode, measuring electrode and guard electrode, and wherein guard electrode is shielding the edge of test product
Surface current.Complicated in conventional three electrode tests experiment, test product insulation paper edge can not be fitted closely and caused during measurement
It is mingled with bubble between paper and causes error；Test product is caused to be slided between paper in oiling and placement high-pressure polar plate, offset measurement pole
Plate and cause error；It is difficult to oil clearance simulated experiment and the inconvenience of oil clearance data is read, error is big；Change oil and operated when testing
It is very cumbersome, it is difficult to operate.
The content of the invention
It is complicated to consider existing transformer oilpaper characteristic test device, test product insulation paper edge can not be close during measurement
Fitting causes to be mingled with bubble between paper, is slided and offset measurement pole between test product paper caused by oiling and placement high-pressure polar plate
Plate, it is difficult to carry out oil clearance simulated experiment and the inconvenience of oil clearance data read, the experimental implementation that change oil is excessively cumbersome, experimental error compared with
The shortcomings that big and deficiency.The utility model provide it is a kind of can fine adjustment transformer oil clearance experiment measuring device, the device
With easy to use, fine adjustment can be carried out, it is accurate to measure transformer oil clearance experiment parameter, it is quick detachable and easy to the spy of cleaning
Point.
The technical solution that the utility model is taken is：
It is a kind of can the experiment of fine adjustment transformer oil clearance measuring device, including babinet, is provided with band tungsten in the babinet
The high-pressure polar plate of copper screw thread electrode, measuring pad, the protection pole plate with slot are equipped with the babinet.It is solid on the high-pressure polar plate
Surely more epoxy resin stays are equipped with, dead ring, the first gasket are equipped with the middle part of more epoxy resin stays, make test product insulation trimming
Edge fits closely.Epoxy resin stay is by protecting slot on pole plate, being placed between high-pressure polar plate, measuring pad, test product insulation
Paper is fixed on measuring pad.
For the measuring pad with being equipped with protection pole plate foundation, measuring pad pillar below protection pole plate, protection pole plate band is recessed
Groove pillar, measuring pad band groove pillar are connected with protection pole plate export newel post, measuring electrode export newel post by conducting wire respectively.
The case of babinet is fixed on by fastening nut, the second gasket in the protection pole plate export newel post, tungsten copper screw thread electrode
Cover.
The bottom of box is equipped with round mouth oil nozzle, is sealed by plug cock.
The high-pressure polar plate is connected with tungsten copper screw thread electrode, and the pole front end of tungsten copper screw thread electrode is Design of Screw Thread, in after
End is by finely polishing smooth.
The high-pressure polar plate is equipped with three epoxy resin stays for being printed on micrometer scale, and epoxy resin stay passes through it
The dead ring of upper end is fixed on high-pressure polar plate.
The dead ring is a circular ring shape opening perforated metal bar, openings of sizes is controlled by elasticity bolt, so as to reach
To the effect of fastening epoxy resin stay.
The protection pole plate foundation, the setting of measuring pad pillar stage casing are fluted,
The babinet is cylindrical acrylic case.
The plug cock is made of TPEE materials.
The utility model it is a kind of can fine adjustment transformer oil clearance experiment measuring device, can directly read and can essence
The close thickness for adjusting test product insulating paper and oil clearance, accurate transformer oil clearance experimental measurements；It can make test product insulation paper edge
Fit closely, eliminate the bubble that test product paper edge is mingled with existing experimental provision；Existing instrument is avoided in oiling and placement
Slided between test product paper caused by during high-pressure polar plate；Measuring pad has band groove pillar with protection pole plate, facilitates twining for conducting wire
Around fastening；The oil nozzle of the measuring device babinet bottom can carry out processing of changing oil to test product, the oil strain experiment that has been more convenient to change oil into
OK.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model device.
Fig. 2 is dead ring, the elasticity bolt structure diagram of the utility model device.
Embodiment
As shown in Figure 1 and Figure 2, it is a kind of can the experiment of fine adjustment transformer oil clearance measuring device, including babinet 5, the case
The high-pressure polar plate with tungsten copper screw thread electrode 3 is provided with body 5, measuring pad 13, the protection pole with slot are equipped with the babinet 5
Plate 14.
More epoxy resin stays 7 are fixed with the high-pressure polar plate, the more middle parts of epoxy resin stay 7 are equipped with fastening
Ring, the first gasket 8, fit closely test product insulation paper edge.7 dielectric properties of epoxy resin stay are good, and hardness is high, can stablize
Support high-pressure polar plate.
For epoxy resin stay 7 by protecting slot on pole plate 14, being placed between high-pressure polar plate, measuring pad 13, test product is exhausted
Edge paper is fixed on measuring pad 13.
The measuring pad 13 is equipped with protection pole plate foundation 11, measuring pad pillar 12, protection with 14 lower section of protection pole plate
Pole plate band groove pillar 11, measuring pad band groove pillar 12 export end with protection pole plate export newel post 15, measuring electrode respectively
Column 1 is connected by conducting wire.
The protection pole plate export newel post 15, tungsten copper screw thread electrode 3 are fixed on babinet by fastening nut 4, the second gasket 2
On 5 case lid.
5 bottom of babinet is equipped with round mouth oil nozzle 10, is sealed by plug cock 18.
The high-pressure polar plate is connected with tungsten copper screw thread electrode 3, and the pole front end of tungsten copper screw thread electrode 3 is Design of Screw Thread, in
Rear end can preferably access voltage by finely polishing smooth.
The high-pressure polar plate is equipped with three epoxy resin stays 7 for being printed on micrometer scale, and epoxy resin stay 7 passes through
The dead ring 6 of the upper end is fixed on high-pressure polar plate.
The dead ring 6 is a circular ring shape opening perforated metal bar, and openings of sizes is controlled by elasticity bolt 19, so that
Have the function that to fasten epoxy resin stay 7.
The protection pole plate foundation 11, the setting of 12 stage casing of measuring pad pillar are fluted, can make connecting wire winding more
Firmly.
The babinet 5 is cylindrical acrylic case.
The plug cock 18 is made of TPEE materials, which belongs to elastoplastic, and heat resisting temperature is up to 150 degree, and TPEE has
There is splendid oil resistivity, can tolerate most of polar liquid chemical mediators at room temperature.
When conducting wire is wrapped on pole plate export end, it is fixed and clamped by two fastening nuts 4, is fastenedly connected conducting wire
Protect pole plate 14, measuring pad 13 and corresponding protection pole plate export newel post 15, measuring electrode export newel post 1.
When carrying out oil clearance experiment, first the second gasket 2 on tungsten copper screw thread electrode 3 is removed with fastening nut 4, is taken out high
Pole plate is pressed, and test product insulating paper is placed on measuring pad 13, then high-pressure polar plate is put into babinet 5, passes through dead ring 6 and spiral shell
Bolt, adjusts the height of the epoxy resin stay 7 on high-pressure polar plate, and compresses test product insulating paper, is allowed to be located just at three epoxies
Between resin stay 7, the thickness of oil clearance and insulating paper according to 7 high scale of epoxy resin stay, can be read at this time；It will be surveyed using conducting wire
Pole plate 13, the measuring pad pillar 12 of 14 bottom of protection pole plate are measured, protection pole plate foundation 11 exports newel post 1 with measuring electrode respectively
Newel post 15 connects with protection pole plate export；Injection testing sample insulating oil, by fastening nut 4, by pole plate export newel post with
Tungsten copper screw thread electrode 3 is fixed on acrylic case lid, closes acrylic case lid, can carry out corresponding transformer oil paper insulation oil
Gap simulation test.
When carrying out general three electrode experiment, first the gasket 2 on tungsten copper screw thread electrode 3 is removed with fastening nut 4, is taken out
High-pressure polar plate, and test product insulating paper is placed on measuring pad 13, take down epoxy resin between high-pressure polar plate and measuring pad 13 and support
Dead ring and the first gasket 8 on bar 7, then high-pressure polar plate is put into case, by 7 upper end dead ring 6 of epoxy resin stay, adjust
High-pressure polar plate height is saved, and fits closely test product edge；Measuring pad 13,14 bottom of protection pole plate are measured into pole using conducting wire
Plate pillar 12, protection pole plate foundation 11 exports newel post 1 with corresponding measuring electrode respectively and protection pole plate export newel post 15 connects；
Injection testing sample insulating oil, by fastening nut 4, acrylic is fixed on by pole plate export newel post with tungsten copper screw thread electrode 3
On case lid, acrylic case lid is closed, corresponding transformer oil paper insulation oil clearance simulation test can be carried out.
When change oil experiment, the plug cock 18 at bottom end is first opened, flows out insulating oil, then shut plug cock 18, and noted
Enter fresh oil, the operation of three electrode plates with it is consistent in above-mentioned general three electrode experiment, corresponding three electrode can be carried out and changed oil simulation examination
Test.
Claims (10)
1. it is a kind of can the experiment of fine adjustment transformer oil clearance measuring device, including babinet（5）, it is characterised in that：The babinet
（5）In be provided with band tungsten copper screw thread electrode（3）High-pressure polar plate, the babinet（5）In be equipped with measuring pad（13）, with slot
Protect pole plate（14）；More epoxy resin stays are fixed with the high-pressure polar plate（7）, more epoxy resin stays（7）In
Portion is equipped with dead ring, the first gasket（8）, fit closely test product insulation paper edge；Epoxy resin stay（7）By protecting pole plate
（14）Upper slot, be placed in high-pressure polar plate, measuring pad（13）Between, test product insulating paper is fixed on measuring pad（13）On；It is described
Measuring pad（13）With protecting pole plate（14）Lower section is equipped with protection pole plate foundation（11）, measuring pad pillar（12）, protect pole plate
Foundation（11）, measuring pad pillar（12）Respectively newel post is exported with protection pole plate（15）, measuring electrode export newel post（1）By leading
Line connects.
2. according to claim 1 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：It is described
Protect pole plate export newel post（15）, tungsten copper screw thread electrode（3）Pass through fastening nut（4）, the second gasket（2）It is fixed on babinet（5）
Case lid on.
3. according to claim 1 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：It is described
Babinet（5）Bottom is equipped with round mouth oil nozzle（10）, pass through plug cock（18）Sealing.
4. according to claim 1 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：It is described
High-pressure polar plate and tungsten copper screw thread electrode（3）Connection, tungsten copper screw thread electrode（3）Pole front end be Design of Screw Thread, middle rear end is passed through
Finely polish smooth.
5. according to claim 1 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：It is described
High-pressure polar plate is equipped with three epoxy resin stays for being printed on micrometer scale（7）, epoxy resin stay（7）Pass through the upper end
Dead ring（6）It is fixed on high-pressure polar plate.
6. according to claim 5 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：It is described
Dead ring（6）For a circular ring shape opening perforated metal bar, pass through elasticity bolt（19）To control openings of sizes, so as to reach fastening
Epoxy resin stay（7）Effect.
7. according to claim 1 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：It is described
Protect pole plate foundation（11）, measuring pad pillar（12）Stage casing sets fluted.
8. according to claim 1 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：It is described
Babinet（5）For cylindrical acrylic case.
9. according to claim 3 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：It is described
Plug cock（18）It is made of TPEE materials.
10. according to claim 1 it is a kind of can fine adjustment transformer oil clearance experiment measuring device, it is characterised in that：Lead
When line is wrapped on pole plate export end, pass through two fastening nuts（4）It is fixed and clamped, conducting wire is fastenedly connected protection pole plate
（14）, measuring pad（13）With corresponding protection pole plate export newel post（15）, measuring electrode export newel post（1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721293255.7U CN207336662U (en) | 2017-10-09 | 2017-10-09 | It is a kind of can fine adjustment transformer oil clearance experiment measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721293255.7U CN207336662U (en) | 2017-10-09 | 2017-10-09 | It is a kind of can fine adjustment transformer oil clearance experiment measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336662U true CN207336662U (en) | 2018-05-08 |
Family
ID=62368145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721293255.7U Expired - Fee Related CN207336662U (en) | 2017-10-09 | 2017-10-09 | It is a kind of can fine adjustment transformer oil clearance experiment measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207336662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677907A (en) * | 2017-10-09 | 2018-02-09 | 三峡大学 | It is a kind of can fine adjustment transformer oil clearance experiment measurement apparatus |
-
2017
- 2017-10-09 CN CN201721293255.7U patent/CN207336662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677907A (en) * | 2017-10-09 | 2018-02-09 | 三峡大学 | It is a kind of can fine adjustment transformer oil clearance experiment measurement apparatus |
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|---|---|---|---|
| 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: 20180508 Termination date: 20201009 |