CN109406914A - High voltage electric field environmental laboratory experimental rig and method - Google Patents
High voltage electric field environmental laboratory experimental rig and method Download PDFInfo
- Publication number
- CN109406914A CN109406914A CN201811524558.4A CN201811524558A CN109406914A CN 109406914 A CN109406914 A CN 109406914A CN 201811524558 A CN201811524558 A CN 201811524558A CN 109406914 A CN109406914 A CN 109406914A
- Authority
- CN
- China
- Prior art keywords
- electric field
- crown
- high voltage
- top crown
- voltage electric
- 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.)
- Granted
Links
- 230000005684 electric field Effects 0.000 title claims abstract description 41
- 230000007613 environmental effect Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 23
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005260 corrosion Methods 0.000 claims description 21
- 230000007797 corrosion Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000010425 asbestos Substances 0.000 claims description 9
- 229910052895 riebeckite Inorganic materials 0.000 claims description 9
- 239000012212 insulator Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 7
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910001344 5052 aluminium alloy Inorganic materials 0.000 description 1
- 238000013142 basic testing Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention proposes that a kind of high voltage electric field environmental laboratory experimental rig and method, device include: geomery identical discoid top crown and bottom crown；The disk of the top crown and bottom crown edge is above each provided with a grading ring；The top crown and bottom crown are tried to get to the heart of a matter parallel and are oppositely arranged；The top crown connects HT testing transformer；The bottom crown ground connection.It is simple to manufacture, is low in cost, takes full advantage of the ordinary elements that can be touched in power test, realizes purpose of design and has superior performance, provides uniform field distribution and suitable test platform.The present embodiment device produces sufficiently uniform electric field between top crown and bottom crown, and electric field strength can be adjusted flexibly by the spacing of control top crown and bottom crown；The chassis of bottom crown provides sufficiently wide operating space as test platform, can be easy to carry out various test operations.
Description
Technical field
The invention belongs to power test field more particularly to a kind of high voltage electric field environmental laboratory experimental rig and methods.
Background technique
Under high temperature coastal environments, key metal material corrosion is extremely serious in electric system, causes maintenance cost very high.
Current research perhaps concentrates on influence or concentration electric field/magnetic field of the corrosive environment to metal material and uses metal material
The influence of behavior, and electric system metal material is served in strong alternating electric field atmospheric environment, electromagnetic field and use environment are to metal
The influence of the usage behavior of material is at present also in the blank of research.Therefore design it is a kind of it is simple and easy to do, safe and reliable, be applied to
Influence of the corrosion device of high electric field for analog study electric field and corrosive medium to metal material military service behavior is particularly significant.
Summary of the invention
The main purpose of scheme provided by the present invention is to provide a kind of safe and reliable, Yi Shixian device, Ke Yiling
Adjustment and control electric field strength living, and the implementation of various types corrosion test can be cooperated, it is research electric field strength to metal material
The basic practice processes of the offer of the influence of corrosion behavior are provided.
The present invention specifically uses following technical scheme:
A kind of high voltage electric field environmental laboratory experimental rig characterized by comprising the identical discoid upper pole of geomery
Plate and bottom crown；The disk of the top crown and bottom crown edge is above each provided with a grading ring；The top crown and bottom crown
It tries to get to the heart of a matter parallel and is oppositely arranged；The top crown connects HT testing transformer；The bottom crown ground connection.
Preferably, the top crown is suspended on insulating support by more insulating cords, and is tried to get to the heart of a matter downward, and pass through level
Bubble leveling；The bottom crown is placed on level board, and chassis is upward.
Preferably, the insulating cord is dustless asbestos twisted rope.
Preferably, the insulating support is barricaded as by insulator.
Preferably, the material of the top crown and bottom crown is stainless steel；The grading ring is surface by copper foil or tinfoil paper
The ring tube of covering.
Preferably, the top crown and bottom crown are tried to get to the heart of a matter as circular flat, and the edge tried to get to the heart of a matter is transitioned into disk with rounded corner
Wall.
Preferably, the top crown connects HT testing transformer by steel pipe, is provided with protective resistance on the steel pipe,
The both ends of the protective resistance are provided with grading ring.
Preferably, the protective resistance is water resistance, resistance value 80K Ω.
Preferably, the top crown and bottom crown have two groups, and two top crowns connect and connect high-potting transformation
Device.
And the test method according to experimental rig provided above, which comprises the following steps:
Step S1: will corrode the edge seal of sample by insulating cement, and the corrosion sample is placed on the trying to get to the heart of a matter of bottom crown；
Step S2: corrosive liquid is added dropwise to the upper surface of the corrosion sample；
Step S3: being powered to the top crown, records the corrosion condition of the corrosion sample.
The device design scheme that the present invention and its preferred embodiment provide is simple to manufacture, is low in cost, takes full advantage of electric power
The ordinary elements that can be touched in test realize purpose of design and have superior performance, provide uniform electric field
Distribution and suitable test platform.The present embodiment device produces sufficiently uniform electric field between top crown and bottom crown, and
Electric field strength can be adjusted flexibly by the spacing of control top crown and bottom crown；The chassis of bottom crown is mentioned as test platform
Sufficiently wide operating space has been supplied, can be easy to carry out various test operations；Since Integrated test facility structure is simplified and volume
It is smaller, can also be mating with other equipment, simulated environment needed for flexibly building various tests.Apparatus of the present invention also by using
The mode at the tips such as grading ring bucking electrode disk, conduit and protective resistance connecting part makes device more stable operation, and big
Safety is improved greatly, and apparatus of the present invention still are able to stablize in the electric field environment of 750KV/m intensity, be safely operated.
Detailed description of the invention
The present invention is described in more detail with reference to the accompanying drawings and detailed description:
Fig. 1 is overall structure stereoscopic schematic diagram of the embodiment of the present invention；
Fig. 2 is overall structure schematic side view of the embodiment of the present invention；
Fig. 3 is protective resistance set-up mode schematic diagram of the embodiment of the present invention；
Fig. 4 is Potential Distributing simulation result schematic diagram under use state of the embodiment of the present invention；
In figure: 1- top crown；2- bottom crown；3- grading ring (is used for upper bottom crown)；The dustless asbestos twisted rope of 4-；5- steel pipe；6- is protected
Protect resistance；61- grading ring (is used for protective resistance)；7- conducting wire.
Specific embodiment
For the feature and advantage of this patent can be clearer and more comprehensible, special embodiment below is described in detail below:
As shown in Figure 1 and Figure 2, the present embodiment device includes: geomery identical discoid top crown 1 and bottom crown 2, on
Pole plate 1 and bottom crown 2 are tried to get to the heart of a matter as circular flat, and the edge tried to get to the heart of a matter is transitioned into disk (side) wall with rounded corner；Top crown 1 and lower pole
The material of plate 2 is stainless steel.
The disk of top crown 1 and bottom crown 2 is surface by copper foil or tinfoil paper along a grading ring 3, grading ring 3 is above each provided with
The ring tube of covering；Top crown 1 and bottom crown 2 are tried to get to the heart of a matter parallel and are oppositely arranged.Wherein, top crown 1 (is at least needed by more
To be in three of triangular symmetrical, four are used in the present embodiment) dustless asbestos twisted rope 4 is suspended on the insulating support that insulator is barricaded as
On, and try to get to the heart of a matter downward, it is leveled by high-precision air level；Bottom crown 2 is placed on level board, to keep horizontality, and bottom
Disk is upward.
As shown in Figure 1, Figure 3, top crown 1 connects protective resistance 6 by steel pipe 5, and protective resistance 6 can also be led to by conducting wire 7(
Cross steel pipe 5) connection HT testing transformer (high pressure generator), the both ends of protective resistance 6 are also equipped with grading ring 61, bottom crown
2 ground connection.
The safe design of test under high pressure, experimental provision is particularly important, and there are subtle leakage electricity at high pressure
Stream can all make control system the electric current of 10-20A or more occur, easily cause safety accident in During Process of Long-term Operation.In this implementation
In the design that example provides, due to the Pan Kou of stainless steel disk, rust steel disk and 7 connecting part of conducting wire and protective resistance 6 and conducting wire 7
Situations such as connecting part is inevitably present tip in the case where lacking retrofit, and tip is easy to produce leakage current.
And the present embodiment shields at tip creatively by increasing grading ring 3 in stainless steel disc mouth, it is ensured that experiment safety fortune
Row.Grading ring 3 shields the tip in experimental provision, improves the safety of device.
In the present embodiment, the insulating cord for hanging top crown 1 can use dustless asbestos twisted rope 4.It is turned round by dustless asbestos
Rope 4 hangs on top crown 1 on overhead support, since the relative dielectric constant of air between upper bottom crown is 1.000585, adopts
It is not easy electric field with suspension design breakdown.Top crown 1 can increase higher voltage at this time, without breakdown.And pass through
Insulating cord adjusts the height of top crown 1, can lower economize on electricity field intensity not changing voltage condition, not only facilitate but also quick.
Protective resistance 6 uses high value water resistance, and solution is deionized water in resistance.Resistance value is about 80K Ω.
Each group of top crown 1 is connected by being wrapped with the heavy gauge wire of balance pipe, also can be reduced the presence at tip.It is more direct
Ground, the present embodiment replace conducting wire as connecting material using steel pipe 5, and since conducting wire is very thin, the diameter of itself is with regard to very little, just at last
A kind of tip, therefore steel pipe 5 is used to have more safety.
The Potential Distributing of the present embodiment device is emulated by simulation software COMSOL Multiphysics 5.2,
For simulation result sectional drawing as shown in figure 3, simulation model uses bottom crown for 100mm, top crown 1 is 40KV, and bottom crown 2 connects
Ground.It can be seen that upper bottom crown intermediate region is essentially uniform electric field distribution.
By adjusting upper bottom crown distance, change external transformer, so that it may obtain different high pressures.
Example 1: being barricaded as bracket using insulator, is hung top crown 1 by dustless asbestos twisted rope 4, and adjust top crown 1
Highly, making bottom crown distance is 8cm and 4cm, and adjusts level with air level.Light-duty transformer is adjusted to virtual value and is
16KV makes electrode plate generate alternating electric field.Electric field strength virtual value is 200KV/m and 400KV/m.Continual and steady operation 14*24
Hour, phenomenon without exception.
Example 2: being barricaded as bracket using insulator, is hung top crown 1 by dustless asbestos twisted rope 4, and adjust top crown 1
Highly, making bottom crown distance is 10cm and 5cm, and adjusts level with air level.Light-duty transformer is adjusted to virtual value and is
30KV makes electrode plate generate alternating electric field.Electric field strength virtual value is 300KV/m and 600KV/m.Continual and steady operation 10*24
Hour, phenomenon without exception.
Example 3: being barricaded as bracket using insulator, is hung top crown 1 by dustless asbestos twisted rope 4, and adjust top crown 1
Highly, making bottom crown distance is 8cm and 5cm, and adjusts level with air level.Light-duty transformer is adjusted to virtual value and is
30KV makes electrode plate generate alternating electric field.Electric field strength virtual value is 375KV/m and 750KV/m.Continual and steady operation 7*24 is small
When, phenomenon without exception.
On this basis, pass through the liquid on experimental material surface on change pole plate, so that it may simulate different corrosive environments.
Top crown 1 and bottom crown 2 can also be had to two groups simultaneously, two top crowns 1 connect and connect HT testing transformer, to obtain
Identical high input voltage, and make the spacing difference of top crown 1 and bottom crown 2 to obtain different Potential Distributings, control group each other,
It can carry out corresponding check experiment.
Thus the basic test method constructed mainly comprises the steps that
Step S1: will corrode the edge seal of sample by insulating cement, will corrode sample and is placed on the trying to get to the heart of a matter of bottom crown 2；
Step S2: corrosive liquid quantitatively is added dropwise to the upper surface of corrosion sample；
Step S3: being powered to top crown 1, observes and records the corrosion condition of corrosion sample.
In a specific test examples:
Using specification is 5052 aluminium alloy of 20mm × 20mm × 2mm as corrosion sample, specimen enclosure is got up, only 20mm
× 20mm surface exposure, which comes out, is used as corrosion area.Light-duty transformer voltage is adjusted to 20KV, and upper bottom crown spacing is adjusted to 100mm
And 50mm.Two electric field strong and weaks are respectively 200KV/m and 400KV/m at this time.By 2 × 8 samples be respectively placed in two sample stages into
Row corrosion.Corrosive liquid is accurately added dropwise by 100 μ L liquid-transfering guns, and makes corrosive liquid uniform fold.12 hours a cycle circulations.It is rotten
After erosion 30 days, it is scanned testing electronic microscope.
The results show that aluminum alloy surface has a small number of corrosion oxidation products, matrix surface under 0KV/m electric field strength
Do not occur slight crack.Under 200KV/m electric field strength, there is finer and closely woven corrosion oxidation product in surface, and surface many occurs and splits
Trace.Under 400KV/m electric field strength, aluminum alloy surface has already appeared pit, and partial region shows cellular.It can be seen that in electric field
Condition has facilitation to the corrosion of aluminium alloy.
This patent is not limited to above-mentioned preferred forms, anyone can obtain other under the enlightenment of this patent
Various forms of high voltage electric field environmental laboratory experimental rigs and method, all impartial changes done according to scope of the present invention patent
Change and modify, should all belong to the covering scope of this patent.
Claims (10)
1. a kind of high voltage electric field environmental laboratory experimental rig characterized by comprising geomery is identical discoid upper
Pole plate and bottom crown；The disk of the top crown and bottom crown edge is above each provided with a grading ring；The top crown and bottom crown
Try to get to the heart of a matter parallel and be oppositely arranged；The top crown connects HT testing transformer；The bottom crown ground connection.
2. high voltage electric field environmental laboratory experimental rig according to claim 1, it is characterised in that: the top crown passes through
More insulating cords are suspended on insulating support, and are tried to get to the heart of a matter downward, and are leveled by air level；The bottom crown is placed on level board
On, and chassis is upward.
3. high voltage electric field environmental laboratory experimental rig according to claim 2, it is characterised in that: the insulating cord is nothing
Dirt asbestos twisted rope.
4. high voltage electric field environmental laboratory experimental rig according to claim 2, it is characterised in that: the insulating support by
Insulator is barricaded as.
5. high voltage electric field environmental laboratory experimental rig according to claim 1, it is characterised in that: the top crown is under
The material of pole plate is stainless steel；The grading ring is the ring tube that surface is covered by copper foil or tinfoil paper.
6. high voltage electric field environmental laboratory experimental rig according to claim 1, it is characterised in that: the top crown is under
Pole plate is tried to get to the heart of a matter as circular flat, and the edge tried to get to the heart of a matter is transitioned into Pan Bi with rounded corner.
7. high voltage electric field environmental laboratory experimental rig according to claim 1, it is characterised in that: the top crown passes through
Steel pipe connects HT testing transformer, is provided with protective resistance on the steel pipe, the both ends of the protective resistance, which are provided with, presses
Ring.
8. high voltage electric field environmental laboratory experimental rig according to claim 7, it is characterised in that: the protective resistance is
Water resistance, resistance value 80K Ω.
9. high voltage electric field environmental laboratory experimental rig according to claim 1, it is characterised in that: the top crown is under
Pole plate has two groups, and two top crowns connect and connect HT testing transformer.
10. the test method of -9 any high voltage electric field environmental laboratory experimental rigs according to claim 1, special
Sign is, comprising the following steps:
Step S1: will corrode the edge seal of sample by insulating cement, and the corrosion sample is placed on the trying to get to the heart of a matter of bottom crown；
Step S2: corrosive liquid is added dropwise to the upper surface of the corrosion sample；
Step S3: being powered to the top crown, records the corrosion condition of the corrosion sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524558.4A CN109406914B (en) | 2018-12-13 | 2018-12-13 | Laboratory test device and method for high-voltage electric field environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524558.4A CN109406914B (en) | 2018-12-13 | 2018-12-13 | Laboratory test device and method for high-voltage electric field environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109406914A true CN109406914A (en) | 2019-03-01 |
| CN109406914B CN109406914B (en) | 2024-02-09 |
Family
ID=65459015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811524558.4A Active CN109406914B (en) | 2018-12-13 | 2018-12-13 | Laboratory test device and method for high-voltage electric field environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109406914B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658434A (en) * | 2019-11-14 | 2020-01-07 | 国网冀北电力有限公司电力科学研究院 | Fault suppression system for common-frequency and same-phase voltage withstand test of three-phase common-cylinder GIS equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028914A (en) * | 2001-07-12 | 2003-01-29 | Electric Power Dev Co Ltd | Method of evaluating and testing polarity inverting ability of high-voltage insulated equipment for dc power transmission |
| RU2011150455A (en) * | 2011-12-12 | 2013-06-20 | Общество с ограниченной ответственностью "Рубин" | DEVICE FOR DETERMINING VIOLATIONS OF INTEGRITY OF INSULATION OF WIRES |
| CN103823166A (en) * | 2014-02-28 | 2014-05-28 | 武汉大学 | Fatigue test device and method for solid insulation degradation process |
| CN203950013U (en) * | 2014-06-04 | 2014-11-19 | 国家电网公司 | A kind of adjustable high-potting needle plate defect model |
| WO2016143030A1 (en) * | 2015-03-09 | 2016-09-15 | 株式会社島津製作所 | Parallel plate-type non-uniform electric field ion mobility spectrometry device |
| CN107544000A (en) * | 2016-06-29 | 2018-01-05 | 中国电力科学研究院 | A kind of plate electrode type standard capacitor and outside method for equalizing voltage |
| CN208125865U (en) * | 2018-04-28 | 2018-11-20 | 广东电网有限责任公司 | High-potting Anti-breakdown device and the anti-breakdown component of high-potting |
| CN209311600U (en) * | 2018-12-13 | 2019-08-27 | 国网福建省电力有限公司 | High voltage electric field environmental laboratory experimental rig |
-
2018
- 2018-12-13 CN CN201811524558.4A patent/CN109406914B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028914A (en) * | 2001-07-12 | 2003-01-29 | Electric Power Dev Co Ltd | Method of evaluating and testing polarity inverting ability of high-voltage insulated equipment for dc power transmission |
| RU2011150455A (en) * | 2011-12-12 | 2013-06-20 | Общество с ограниченной ответственностью "Рубин" | DEVICE FOR DETERMINING VIOLATIONS OF INTEGRITY OF INSULATION OF WIRES |
| CN103823166A (en) * | 2014-02-28 | 2014-05-28 | 武汉大学 | Fatigue test device and method for solid insulation degradation process |
| CN203950013U (en) * | 2014-06-04 | 2014-11-19 | 国家电网公司 | A kind of adjustable high-potting needle plate defect model |
| WO2016143030A1 (en) * | 2015-03-09 | 2016-09-15 | 株式会社島津製作所 | Parallel plate-type non-uniform electric field ion mobility spectrometry device |
| CN107544000A (en) * | 2016-06-29 | 2018-01-05 | 中国电力科学研究院 | A kind of plate electrode type standard capacitor and outside method for equalizing voltage |
| CN208125865U (en) * | 2018-04-28 | 2018-11-20 | 广东电网有限责任公司 | High-potting Anti-breakdown device and the anti-breakdown component of high-potting |
| CN209311600U (en) * | 2018-12-13 | 2019-08-27 | 国网福建省电力有限公司 | High voltage electric field environmental laboratory experimental rig |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658434A (en) * | 2019-11-14 | 2020-01-07 | 国网冀北电力有限公司电力科学研究院 | Fault suppression system for common-frequency and same-phase voltage withstand test of three-phase common-cylinder GIS equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109406914B (en) | 2024-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101793939B (en) | Partial discharge simulation experiment device of suspended metal particles in oil of transformer | |
| CN103616622B (en) | Device and method for testing partial discharging characteristic | |
| CN103823166B (en) | The fatigue test device of a kind of solid insulation deterioration process and method of testing | |
| CN105043971A (en) | Experiment device for research on corrosion behavior of metal substrate beneath peeling coating | |
| CN105277822B (en) | A kind of artificial accelerated aging test method for GIS disc insulators | |
| CN103901309B (en) | 220kV Zinc-Oxide Arrester non-dismantle high voltages fuse experimental rig test methods | |
| CN209311600U (en) | High voltage electric field environmental laboratory experimental rig | |
| Gorur et al. | Sudden flashover of nonceramic insulators in artificial contamination tests | |
| CN109406914A (en) | High voltage electric field environmental laboratory experimental rig and method | |
| CN104076258A (en) | Discharge generation device of discharge simulation experiment system for particles in transformer oil | |
| CN102866105A (en) | Testing device for researching metal electrochemical behaviors in magnetic field load | |
| CN109254233A (en) | A kind of transformer electric fault gas simulator | |
| CN103344547A (en) | Experiment device for simulation of stray current corrosion in soil | |
| CN209387482U (en) | The experimental rig of the high voltage electric field environmental corrosion of controllable temperature and humidity | |
| CN109297897A (en) | The experimental rig and method of the high voltage electric field environmental corrosion of controllable temperature and humidity | |
| CN204740320U (en) | A needle - plate electrode corona discharge assembly for handing over high voltage DC is experimental | |
| CN105203935A (en) | Simulation test device for bundled conductor corona discharge in laboratory | |
| CN212674710U (en) | Device for testing motion characteristics of conductive particles in GIL/GIS and cylinder unit thereof | |
| CN102437514A (en) | High-voltage electrode capable of generating stimulated ascending forerunner | |
| CN106391316A (en) | Electrical tar precipitator | |
| CN114660423A (en) | Device and method for simulation experiment of generation of oiled paper insulation bubbles in multiple physical fields | |
| CN205027869U (en) | Split conductor corona discharge laboratory simulation test device | |
| CN111829943B (en) | Working method for simulating soil corrosion test device of grounding grid | |
| Wu et al. | The generation and migration of bubbles in oil-pressboard insulation needle-plate system | |
| He et al. | Influence of flow-electric field on withstand characteristics of HV suspension insulators in sandstorm circumstance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |