CN206161735U - Transformer oil paper insulation test device - Google Patents
Transformer oil paper insulation test device Download PDFInfo
- Publication number
- CN206161735U CN206161735U CN201621237922.5U CN201621237922U CN206161735U CN 206161735 U CN206161735 U CN 206161735U CN 201621237922 U CN201621237922 U CN 201621237922U CN 206161735 U CN206161735 U CN 206161735U
- Authority
- CN
- China
- Prior art keywords
- transformer oil
- paper insulation
- measured
- cardboard
- test product
- 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.)
- Expired - Fee Related
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- Testing Relating To Insulation (AREA)
Abstract
The utility model relates to a transformer oil paper insulation test device, it includes the high voltage dc source, high voltage dc passes through in the source wire and is connected with S1 among the combination switch, the S1 other end be connected to the examination article that await measuring high voltage electrode one extremely, S3 one end among the combination switch links to each other with low -voltage electrode, and the other end and electrometer are connected, S2 termination high -pressure side among the combination switch, other end ground connection, it is provided with the cardboard to await measuring between the examination article high voltage electrode, examination article high voltage electrode and the cardboard of awaiting measuring all sets up the incasement at transparent plastic glass, the splendid attire transformer oil of transparent plastic glass incasement portion, transformer oil's liquid level lies in on await measuring examination article high voltage electrode and the cardboard. This test device can be used for laboratory teaching in -process, can measure transformer oil paper insulation conductivity to obtain oil -paper insulation's medium response characteristic, with this state that determines oil -paper insulation.
Description
Technical field
The utility model is related to power system transformer paper oil insulation experimental technique field, more particularly to a kind of transformer oil
Paper insulation experimental rig.
Background technology
Transformer is the visual plant of power system power transmission and transformation, and at present country 110kV and ratings above transformer are most of
Using paper oil insulation.With transformer longtime running, the effect such as empire paper can be heated, machinery, chemistry so that paper oil insulation
Dielectric strength reduces and is likely to result in transformer fault.Need to judge the state that paper oil insulation is aging.It is exhausted using transformer oilpaper
Edge test method analogue transformer oilpaper ageing process；The ageing state of insulating oil is measured simultaneously.During laboratory teaching,
This device, to obtain the dielectric response characteristic of paper oil insulation, with this oil can be judged with measuring transformer paper oil insulation electrical conductivity
Paper insulated state.
Utility model content
The purpose of this utility model is to provide a kind of transformer oil paper insulation experimental rig, and this experimental rig can be used in
During laboratory teaching, can with measuring transformer paper oil insulation electrical conductivity, to obtain the dielectric response characteristic of paper oil insulation, with
This state to judge paper oil insulation.
In order to solve above-mentioned technical problem, the utility model proposes technical scheme below：A kind of transformer oil paper insulation examination
Experiment device, it includes high-voltage DC power supply, and the high-voltage DC power supply is connected by wire with the S1 in stacked switch, and S1 is another
End is connected to a pole of test product high-field electrode to be measured, and the S3 one end in the stacked switch is connected with low-field electrode, the other end with
Electrometer connects, the terminations of S2 mono- high-pressure side in the stacked switch, other end ground connection；Between the test product high-field electrode to be measured
Cardboard is provided with, the test product high-field electrode to be measured and cardboard are all disposed within transparent plastic glass box, the transparent plastic glass
Glass case inside contains transformer oil, and the liquid level of the transformer oil is located on test product high-field electrode to be measured and cardboard.
The electrometer adopts Keithley6517 model electrometers, for measuring Resistivity.
S1 is used for control to two test product high-field electrode pressurizations to be measured in the stacked switch；S2 is used for control to be treated to two
The short circuit of test article high-field electrode；S3 is used to control electrometer both end voltage.
The high-voltage DC power supply adopts GDZG-300 high-voltage DC power supplies.
The utility model has the advantages that：
1st, the utility model device can be realized being tested in laboratory Jing rows paper oil insulation, can very well be easy to teaching, this
Device, to obtain the dielectric response characteristic of paper oil insulation, with this oilpaper can be judged with measuring transformer paper oil insulation electrical conductivity
The state of insulation.
2nd, the utility model device is simple to operate, it is easy to assemble, with low cost, can be good at carrying out transformation in laboratory
Device paper oil insulation is tested.
Description of the drawings
With reference to the accompanying drawings and examples the utility model is described in further detail.
Fig. 1 is front view of the present utility model and partial view.
In figure：High-voltage DC power supply 1, stacked switch 2, electrometer 3, transparent plastic glass box 4, high-field electrode 5, cardboard 6,
Transformer oil 7.
Specific embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Such as Fig. 1, a kind of transformer oil paper insulation experimental rig, it includes high-voltage DC power supply 1, the high-voltage DC power supply
1 is connected by wire with the S1 in stacked switch 2, and the S1 other ends are connected to a pole of test product high-field electrode 5 to be measured, the combination
S3 one end in switch 2 is connected with low-field electrode, and the other end and electrometer 3 connect, and the S2 mono- in the stacked switch 2 terminates height
Pressure side, other end ground connection；Cardboard 6, the He of test product high-field electrode 5 to be measured are provided between the test product high-field electrode 5 to be measured
Cardboard 6 is all disposed within transparent plastic glass box 4, and the inside of the transparent plastic glass box 4 contains transformer oil 7, the transformation
The liquid level of device oil 7 is located on test product high-field electrode 5 to be measured and cardboard 6.
Further, the electrometer 3 adopts Keithley6517 model electrometers, for measuring Resistivity.
Further, S1 is used to control to be pressurizeed to two test product high-field electrodes 5 to be measured in the stacked switch 2；S2 is used for
Control short-circuit to two test product high-field electrodes 5 to be measured；S3 is used to control the both end voltage of electrometer 3.By three kinds of stacked switch energy
Enough realize different functions.
Further, the high-voltage DC power supply 1 adopts GDZG-300 high-voltage DC power supplies.By using above-mentioned high pressure
Dc source can provide stable electric energy for experimental rig.
The course of work of the present utility model and operation principle are：
Two test product high-field electrodes 5 to be measured adopt copper coin, and the size of copper coin is thickness 5mm, and length and width is respectively 50mm；Cardboard
Size be thickness be 10mm, a length of 60mm；A width of 50mm.Measured using Keithley6517 models electrometer.For measuring absolutely
Edge oil resistivity.Transformer cardboard is placed in oil, respectively there is one piece of electrode up and down, electrode charge 30s is given, then power supply pass
Fall, closure switch S2, make electrode discharge 30s.Last closure switch S3, measure insulating oil cardboard electrical conductivity.
By above-mentioned description, those skilled in the art completely can be without departing from this utility model technological thought
In the range of, carry out various change and modification all within protection domain of the present utility model.It is of the present utility model most
Matters, belong to the common knowledge of those skilled in the art.
Claims (4)
1. a kind of transformer oil paper insulation experimental rig, it is characterised in that：It includes high-voltage DC power supply（1）, the high straightening
Stream power supply（1）By wire and stacked switch（2）In S1 connections, the S1 other ends are connected to test product high-field electrode to be measured（5）'s
One pole, the stacked switch（2）In S3 one end be connected with low-field electrode, the other end and electrometer（3）Connection, the combination is opened
Close（2）In S2 mono- termination high-pressure side, the other end ground connection；The test product high-field electrode to be measured（5）Between be provided with cardboard（6）,
The test product high-field electrode to be measured（5）And cardboard（6）It is all disposed within transparent plastic glass box（4）It is interior, the transparent plastic glass
Case（4）Inside contains transformer oil, and the liquid level of the transformer oil is located at test product high-field electrode to be measured（5）And cardboard（6）On.
2. a kind of transformer oil paper insulation experimental rig according to claim 1, it is characterised in that：The electrometer（3）
Using Keithley6517 model electrometers, for measuring Resistivity.
3. a kind of transformer oil paper insulation experimental rig according to claim 1, it is characterised in that：The stacked switch
（2）Middle S1 is used for control to two test product high-field electrodes to be measured（5）Pressurization；S2 is used for control to two test product high-field electrodes to be measured
（5）Short circuit；S3 is used to control electrometer（3）Both end voltage.
4. a kind of transformer oil paper insulation experimental rig according to claim 1, it is characterised in that：The high voltage direct current
Source（1）Using GDZG-300 high-voltage DC power supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621237922.5U CN206161735U (en) | 2016-11-18 | 2016-11-18 | Transformer oil paper insulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621237922.5U CN206161735U (en) | 2016-11-18 | 2016-11-18 | Transformer oil paper insulation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161735U true CN206161735U (en) | 2017-05-10 |
Family
ID=58660617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621237922.5U Expired - Fee Related CN206161735U (en) | 2016-11-18 | 2016-11-18 | Transformer oil paper insulation test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161735U (en) |
-
2016
- 2016-11-18 CN CN201621237922.5U patent/CN206161735U/en not_active Expired - Fee Related
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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: 20170510 Termination date: 20171118 |