CN208125824U - A kind of four electric pole type paper oil insulation sample media response test devices - Google Patents
A kind of four electric pole type paper oil insulation sample media response test devices Download PDFInfo
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- CN208125824U CN208125824U CN201820473675.1U CN201820473675U CN208125824U CN 208125824 U CN208125824 U CN 208125824U CN 201820473675 U CN201820473675 U CN 201820473675U CN 208125824 U CN208125824 U CN 208125824U
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- cover plate
- insulation cover
- electrode
- insulation
- field electrode
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- 238000009413 insulation Methods 0.000 title claims abstract description 84
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000001050 lubricating effect Effects 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 230000005672 electromagnetic field Effects 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000032683 aging Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model relates to a kind of four electric pole type paper oil insulation sample media response test devices, technical characteristics are：Including lubricating cup and the upper insulation cover plate being mounted on inside lubricating cup, lower insulation cover plate, three support columns and four electrodes, three support columns are mounted between insulation cover plate and lower insulation cover plate, the support column is the metal column of outer coating insulation material and the upper end is pierced by insulation cover plate and is separately connected low-field electrode binding post, guard electrode binding post, bucking electrode binding post, high-field electrode is mounted on the inside of insulation cover plate and upper end passes through upper insulation cover plate and is connected with high-field electrode binding post, low-field electrode, guard electrode and bucking electrode bottom are inlaid in lower insulation cover plate and are connected respectively with the metal column in three support columns.The utility model is designed reasonably is used to correct paper oil insulation test product effect of electromagnetic field, the effect of electromagnetic field of insulating oil is avoided to have interference to measurement result, to keep measurement result more accurate and reliable.
Description
Technical field
The utility model belongs to transformer test technical field, and especially a kind of four electric pole type paper oil insulation sample medias are rung
Answer experimental rig.
Background technique
The large number of equipment in power transmission and transforming equipment is insulated using oil immersed type at present, and Oil-Paper Insulation is long-term receiving high electric field
Major insulation system, degree of aging be influence insulation performance most important factor.Currently, assessment paper oil insulation degree of aging
Characteristic parameter mainly has insulation paper polymerization degree, tensile strength, dissolved gases in insulating oil, furfural content etc., but above-mentioned spy
Sign parameter has certain limitation.
It is developed rapidly in recent years by the method that effect of electromagnetic field assesses insulation ag(e)ing degree.In order to analyze oil
Paper insulation system aging is regular, has carried out the test of paper oil insulation sample effect of electromagnetic field in laboratory.It is needed in experiment by oilpaper
Insulated sample is placed between the electrode of specific shape, applies the electric field of frequency variation to measure effect of electromagnetic field.Currently, real
Test in room that the most commonly used is a kind of three electrode assemblies for dielectric response test, the problem is that：Due to paper oil insulation test product
It is not simple solid test product, must be soaked in insulating oil and test, therefore the effect of electromagnetic field of insulating oil ties measurement
Fruit has interference, and test result error is larger.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of design rationally, strong antijamming capability
And the four electric pole type paper oil insulation sample media response test devices that test error is small.
The utility model solves its technical problem and adopts the following technical solutions to achieve：
A kind of four electric pole type paper oil insulation sample media response test devices, including lubricating cup and are mounted on upper inside lubricating cup
Insulation cover plate, lower insulation cover plate, three support columns and four electrodes, three support columns are mounted on insulation cover plate and lower insulating cover
Between plate, the support column is the metal column of outer coating insulation material and the upper end is pierced by insulation cover plate and is separately connected low tension
Pole binding post, guard electrode binding post, bucking electrode binding post, high-field electrode is mounted on the inside of insulation cover plate and upper end passes through
Upper insulation cover plate is connected with high-field electrode binding post, and low-field electrode, guard electrode and bucking electrode bottom are inlaid in lower insulating cover
It is connected in plate and with the metal column in three support columns respectively.
The lubricating cup is made using oil resistant insulating material for containing insulating oil.
Metal column in four electrodes and support column is all made of copper material and is made.
The upper insulation cover plate, lower insulation cover plate are circle, and upper insulation cover plate, lower insulation cover plate are all made of resin material
It is made.
The high-field electrode, low-field electrode are separately mounted to the center of insulation cover plate and lower insulation cover plate, guard electrode
Low-field electrode two sides are separately mounted to bucking electrode.
The high-field electrode is ellipse and constitutes three pairs of board-to-board electrodes with low-field electrode, guard electrode and bucking electrode
Structure.
The advantages of the utility model and good effect are：
Four electrodes are mounted between insulation cover plate up and down by the utility model is designed reasonably, in measurement paper oil insulation
Test product constructs electrode oil clearance access while passing through electric current, measures insulating oil effect of electromagnetic field, for correcting paper oil insulation examination
Product effect of electromagnetic field avoids the effect of electromagnetic field of insulating oil from having interference to measurement result, to keep measurement result more quasi-
It is really reliable.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the top view of the upper insulation cover plate of the utility model；
Fig. 3 is the top view of four electrodes of the utility model；
Fig. 4 is the working principle diagram of the utility model；
Wherein, 1- lubricating cup；2- guard electrode binding post；3- high-field electrode binding post；4- bucking electrode binding post；5- is upper exhausted
Edge cover board；6- support column B；7- support column C；8- high-field electrode；9- support column A；10- guard electrode；11- low-field electrode；12- screen
Cover electrode；Insulation cover plate under 13-；14- low-field electrode binding post.
Specific embodiment
The utility model is further described below in conjunction with attached drawing.
A kind of four electric pole type paper oil insulation sample media response test devices, as shown in Figure 1, including lubricating cup 1, insulating cover
Four part of plate, support column and electrode.
The lubricating cup is the container for containing insulating oil, separable with other three parts；Other three parts composition one is whole
Body is placed in lubricating cup.The lubricating cup generally uses oil resistant insulating material, such as glass or ceramics to be made.
The insulation cover plate includes upper insulation cover plate 5 and lower insulation cover plate 13, and upper and lower insulation cover plate is circle, plays fixed branch
Support and insulating effect.Pass through support column A (9), support column B (6), support column C (7) support between upper and lower insulation cover plate.Support column
For the metal column of outer coating insulation material, support and electric action can be played, which can select and cable insulation phase
Close polyethylene or pvc material.Upper end of support column is pierced by insulation cover plate and exposes metal column, which uses copper
Material is made, it is intermediate it is thicker be high-field electrode binding post 3, surrounding three is thinner be respectively low-field electrode binding posts 14,
Guard electrode binding post 2, bucking electrode binding post 4, as shown in Figure 2.Upper and lower insulation cover plate is all made of resin material and is made, and is having
There is preferable plasticity while having superior isolation performance, easily fix four electrodes and three support columns.Meanwhile lower insulation
Connecting line has been poured in cover board, is respectively communicated with low-field electrode, guard electrode, bucking electrode and three support columns.
Four electrodes are mounted on the inside of insulation cover plate up and down as core, and four electrodes are made of copper material.
High-field electrode 8 is connected with upper insulation cover plate, and passes through upper insulation cover plate and be connected with high-field electrode binding post.The position of high-field electrode
It is adjustable up and down, it can be adjusted according to by the thickness of test agent.Low-field electrode 11, guard electrode 10 and bucking electrode 12 and lower insulating cover
Plate is connected, and is embedded in lower insulation cover plate, is connected to respectively with the metal column in support column A, support column B, support column C.Such as Fig. 3 institute
Show, low-field electrode is thicker, and guard electrode and bucking electrode are thinner, be distributed in low-field electrode two sides, low-field electrode, guard electrode and
Three electrodes of bucking electrode are jointly opposite with the high-field electrode of ellipse, constitute three pairs of board-to-board electrodes.
When in use, the paper oil insulation sample of subject is placed between high-field electrode and low-field electrode this experimental rig, and
High-field electrode is adjusted to clamp test item.It is filled in lubricating cup and oil identical in paper oil insulation sample, the excessively not upper insulation of pasta
Cover board lower edge.High-field electrode binding post connects variable-frequency power sources, and low-field electrode binding post and bucking electrode binding post connect two ammeters and (show
Wave device), guard electrode binding post ground connection.
Circuit when test is as shown in figure 4, be the experimental rig of present patent application in dotted line frame.Electric signal is by variable-frequency power sources
It provides, by high-field electrode binding post, is connected to high-field electrode, be then respectively formed high-field electrode-paper oil insulation test product-low tension
Pole and high-field electrode-insulation oil clearance-bucking electrode two paths separately have high-field electrode-insulation oil clearance-guard electrode protection logical
Road, three accesses are connected to low pressure, shielding and guard electrode through tri- support columns of ABC, after be coupled with ammeter and ground connection.Its
Test principle is：
In formula,WithRespectively pass through high-field electrode-paper oil insulation test product-low-field electrode and high-field electrode-insulating oil
Gap-bucking electrode two paths electric current,For variable-frequency power sources voltage, then C*(ω) is that the telegram in reply of paper oil insulation sample holds.
It is calculated with plate electrode,
C*(ω)=C'(ω)-jC " (ω)=ε0S[ε'(ω)-jε”(ω)]/d
It is possible thereby to the complex dielectric permittivity of paper oil insulation sample be calculated, to obtain effect of electromagnetic field.
It is emphasized that embodiment described in the utility model be it is illustrative, without being restrictive, therefore this reality
It is all practical new according to this by those skilled in the art with novel including being not limited to embodiment described in specific embodiment
The other embodiments that the technical solution of type obtains also belong to the range of the utility model protection.
Claims (6)
1. a kind of four electric pole type paper oil insulation sample media response test devices, it is characterised in that：Including lubricating cup and it is mounted on oil
Upper insulation cover plate, lower insulation cover plate, three support columns and four electrodes inside cup, three support columns are mounted on insulation cover plate
Between lower insulation cover plate, the support column is the metal column of outer coating insulation material and the upper end is pierced by insulation cover plate and difference
Low-field electrode binding post, guard electrode binding post, bucking electrode binding post are connected, high-field electrode is mounted on the inside of insulation cover plate
And upper end passes through upper insulation cover plate and is connected with high-field electrode binding post, low-field electrode, guard electrode and bucking electrode bottom are embedded in
It is connected in lower insulation cover plate and respectively with the metal column in three support columns.
2. a kind of four electric pole types paper oil insulation sample media response test device according to claim 1, it is characterised in that：
The lubricating cup is made using oil resistant insulating material for containing insulating oil.
3. a kind of four electric pole types paper oil insulation sample media response test device according to claim 1, it is characterised in that：
Metal column in four electrodes and support column is all made of copper material and is made.
4. a kind of four electric pole types paper oil insulation sample media response test device according to claim 1, it is characterised in that：
The upper insulation cover plate, lower insulation cover plate are circle, and upper insulation cover plate, lower insulation cover plate are all made of resin material and are made.
5. a kind of four electric pole types paper oil insulation sample media response test device according to claim 1, it is characterised in that：
The high-field electrode, low-field electrode are separately mounted to the center of insulation cover plate and lower insulation cover plate, guard electrode and shielding electricity
Pole is separately mounted to low-field electrode two sides.
6. a kind of four electric pole types paper oil insulation sample media response test device according to claim 1, it is characterised in that：
The high-field electrode is ellipse and constitutes three pairs of board-to-board electrode structures with low-field electrode, guard electrode and bucking electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820473675.1U CN208125824U (en) | 2018-04-04 | 2018-04-04 | A kind of four electric pole type paper oil insulation sample media response test devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820473675.1U CN208125824U (en) | 2018-04-04 | 2018-04-04 | A kind of four electric pole type paper oil insulation sample media response test devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125824U true CN208125824U (en) | 2018-11-20 |
Family
ID=64193608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820473675.1U Active CN208125824U (en) | 2018-04-04 | 2018-04-04 | A kind of four electric pole type paper oil insulation sample media response test devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208125824U (en) |
-
2018
- 2018-04-04 CN CN201820473675.1U patent/CN208125824U/en active Active
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