CN107607846A - A kind of insulator damage test platform - Google Patents
A kind of insulator damage test platform Download PDFInfo
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- CN107607846A CN107607846A CN201710964775.4A CN201710964775A CN107607846A CN 107607846 A CN107607846 A CN 107607846A CN 201710964775 A CN201710964775 A CN 201710964775A CN 107607846 A CN107607846 A CN 107607846A
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
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- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
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- 238000009413 insulation Methods 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 230000015556 catabolic process Effects 0.000 description 1
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- 239000003822 epoxy resin Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a kind of insulator damage test platform, for solve not have still at present one kind can Simulated GlS insulator actual working environment, the technical problem of the equipment of damage test research is carried out to GIS insulators.The present invention is by the way that experiment insulator is fixedly installed on inside GIS metallic cavities by high pressure guide rod, and produce surge voltage by impulse voltage generator to be applied on experiment insulator through high pressure guide rod, the true environment that experiment insulator is subjected to impact voltage is imitated, image acquisition device additionally is installed on the outside of GIS metallic cavities, the process for being subjected to impact voltage to experiment insulator and flashover occurring is acquired record, is easy to engineering operation maintenance personnel to testing the impact resistance of insulator, insulating capacity carries out analysis and evaluation.
Description
Technical field
The present invention relates to high voltage insulating materials performance test technical field, more particularly to a kind of insulator damage test to put down
Platform.
Background technology
Gas-insulated switch (Gas Insulated Switchgear, GIS) equipment has operational reliability height, occupation of land face
The features such as product is small, scalability is strong and repair and maintenance facilitates, it is the important component of power transmission network.Insulator is as GIS cores
Center portion part, play a part of insulating supporting and isolation air chamber, its insulating properties be GIS design, production and power network O＆M department most
The problem of to pay close attention to.
At present, still without one kind can Simulated GlS insulator actual working environment, to GIS insulators carry out damage test
The equipment of research so that live operation maintenance personnel can not carry out accurate evaluation to the insulating properties of GIS insulators.
The content of the invention
The embodiments of the invention provide a kind of insulator damage test platform, and solve does not have still one kind to simulate at present
GIS insulator actual working environments, the technical problem of the equipment of damage test research is carried out to GIS insulators.
A kind of insulator damage test platform provided in an embodiment of the present invention, including：
First GIS metallic cavities, experiment insulator, high pressure guide rod, sleeve pipe, impulse voltage generator and IMAQ
Device；
Experiment insulator is fixedly installed on the inside of the first GIS metallic cavities；
High pressure guide rod is fixedly installed on the inside of the first GIS metallic cavities through the center of experiment insulator；
Impulse voltage generator is connected by sleeve pipe with high pressure guide rod, for producing surge voltage and applying through high pressure guide rod
In on experiment insulator；
Image acquisition device is arranged at the outside of the first GIS metallic cavities, and the feelings of flashover occur for gathering experiment insulator
Condition.
Preferably, a kind of insulator damage test platform provided in an embodiment of the present invention also includes：2nd GIS wire chambers
Body；
2nd GIS metallic cavities connect with the first GIS metallic cavities, and high pressure guide rod is disposed through the 2nd GIS of connection
The inside of metallic cavity and the first GIS metallic cavities；
The withstanding voltage of 2nd GIS metallic cavities is more than the withstanding voltage of the first GIS metallic cavities.
Preferably, the first GIS metallic cavities connect with the 2nd GIS metallic cavities in the horizontal direction；
Or
First GIS metallic cavities in the vertical direction connects with the 2nd GIS metallic cavities；
Or
First GIS metallic cavities connect with vertical direction with the 2nd GIS metallic cavities in the horizontal direction simultaneously.
Preferably, the 2nd GIS metallic cavities are connected by adapter flange with the first GIS metallic cavities.
Preferably, air bound disc insulator is provided with high pressure guide rod, for the 2nd GIS metallic cavities to be divided into first
Air chamber and the second air chamber；
First air chamber and sleeve pipe connection, the second air chamber connect with the first GIS metallic cavities.
Preferably, observation window is provided with the outside of the first GIS metallic cavities, image acquisition device is arranged on observation window.
Preferably, image acquisition device uses battery powered, and image acquisition device is earth-free and electric potential floating.
Preferably, image acquisition device is wireless and passive image acquisition device, for the figure collected by transmission of wireless signals
As signal.
Preferably, valve and air gauge are installed in the first GIS metallic cavities, for being filled with SF6 gases and monitoring first
Air pressure inside GIS metallic cavities.
Preferably, the center for testing insulator is provided with metal insert, for high pressure guide rod to be fixedly mounted.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
By the way that experiment insulator is fixedly installed on inside GIS metallic cavities by high pressure guide rod, and by surge voltage
Generator produces surge voltage and is applied to through high pressure guide rod on experiment insulator, has imitated experiment insulator and has been subjected to impact voltage
True environment, image acquisition device additionally is installed on the outside of GIS metallic cavities, voltage is subjected to impact simultaneously to experiment insulator
The process that flashover occurs is acquired record, is easy to engineering operation maintenance personnel to testing the impact resistance of insulator, insulating capacity is carried out
Analysis and evaluation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation of insulator damage test platform provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of another embodiment of insulator damage test platform provided in an embodiment of the present invention
Figure.
Embodiment
The embodiments of the invention provide a kind of insulator damage test platform, for solving there is no still one kind being capable of mould at present
Intend GIS insulator actual working environments, the technical problem of the equipment of damage test research is carried out to GIS insulators.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Study and find through inventor, live GIS device will unavoidably meet with exfactory inspection and during one's term of military service
Be hit the effect of voltage, and surge voltage has destructiveness to GIS insulators.Therefore, in the exhausted of the GIS insulators to scene
Edge performance needs to consider the influence of its surge voltage suffered from when being assessed.At present, carry out there has been no researcher and overshoot
Hit experimental study of the voltage to GIS insulator accumulated damage characteristics.For the cumulative effect of accurate evaluation surge voltage, improve existing
The accuracy that field GIS Insulators Useds are assessed to GIS insulators, it is necessary to carry out the accumulated damage characteristic research under surge voltage.
Therefore, the present invention provides a kind of insulator damage test platform, carries out GIS insulator surge voltage accumulated damages based on the platform
Research, laid the foundation to assess the insulating properties of live GIS insulators.
Referring to Fig. 1, the figure is a kind of structural representation of insulator damage test platform provided in an embodiment of the present invention.
A kind of insulator damage test platform provided in an embodiment of the present invention includes：
First GIS metallic cavities 1, experiment insulator 2, high pressure guide rod 3, sleeve pipe 4, impulse voltage generator 5 and image
Collector 6.Wherein, experiment insulator 2 is fixedly installed on the inside of the first GIS metallic cavities 1；The both ends of experiment insulator 2 lead to
Flange is crossed to be fixedly mounted on the wall of the first GIS metallic cavities 1.High pressure guide rod 3 is fixed through the center of experiment insulator 2
It is arranged at the inside of the first GIS metallic cavities 1.Specifically, one end of high pressure guide rod 3 is connected with sleeve pipe 4, high pressure guide rod 3 it is another
One end is fixedly connected through the center of experiment insulator 2 with experiment insulator 2, is easy to surge voltage putting on experiment insulator
On 2.Impulse voltage generator 5 is connected by sleeve pipe 4 with high pressure guide rod 3, for producing surge voltage and applying through high pressure guide rod 3
In on experiment insulator 2.Image acquisition device 6 is arranged at the outside of the first GIS metallic cavities 1, for gathering experiment insulation in real time
The situation of flashover occurs for son 2.Wherein, the center for testing insulator 2 is provided with metal insert, for high pressure guide rod 3 to be fixedly mounted.
It should be noted that the experiment insulator 2 in the embodiment of the present invention is to be installed on the insulator inside GIS device,
Such as GIS disc insulators.It is understood that the inside of the first GIS metallic cavities 1 is full of SF6 gases, for simulating true environment
The working environment of lower GIS insulators,
By the way that experiment insulator 2 is fixedly installed in GIS metallic cavities by high pressure guide rod 3 in the embodiment of the present invention
Portion, and surge voltage is produced by impulse voltage generator 5 and is applied to through high pressure guide rod 3 on experiment insulator 2, imitate experiment
Insulator 2 is subjected to impact the true environment of voltage, and image acquisition device 6 is additionally provided with the outside of GIS metallic cavities, to examination
Test insulator 2 to be subjected to impact voltage and the process of flashover occurs being acquired record, be easy to engineering operation maintenance personnel to insulate experiment
The impact resistance of son 2, insulating capacity carry out analysis and evaluation.
Studied for the ease of preferably carrying out the damage to the accumulation of GIS insulators surge voltage in engineering site, the application
Additionally provide a kind of possible structure design of insulator damage test platform.
Referring to Fig. 2, the figure is a kind of another implementation of insulator damage test platform provided in an embodiment of the present invention
The structural representation of example.
Further, a kind of insulator damage test platform provided in an embodiment of the present invention also includes：2nd GIS wire chambers
Body 7；2nd GIS metallic cavities 7 connect with the first GIS metallic cavities 1, and high pressure guide rod 3 is disposed through the 2nd GIS gold of connection
Belong to the inside of the GIS metallic cavities 1 of cavity 7 and the first；The withstanding voltage of 2nd GIS metallic cavities 7 is more than the first GIS metallic cavities
1 withstanding voltage.It is understood that the 2nd GIS metallic cavities 7 are non-experiment cavity, 220kV GIS wire chambers can be used
Body, the first GIS metallic cavities 1 use 110kV GIS metallic cavities.220kV equipment is used to non-experiment cavity, it can be ensured that
Flashover will not occur under surge voltage, i.e. the 2nd GIS metallic cavities 7 are 220kV GIS metallic cavities, and ensure the 2nd GIS gold
Equipment inside category cavity 7 is the equipment that withstanding voltage is 220kV, then in the first GIS metallic cavities 1 in 110kV hyperbaric environments
Under when being tested, it is ensured that flashover and insulation fault do not occur for the equipment inside the 2nd GIS metallic cavities 7, it is ensured that experiment
Smoothly, it is reliable to carry out.
Further, the first GIS metallic cavities 1 connect with the 2nd GIS metallic cavities 7 in the horizontal direction；Or, first
The in the vertical direction of GIS metallic cavities 1 connects with the 2nd GIS metallic cavities 7；Or, the first GIS metallic cavities 1 simultaneously in level
Connected on direction and vertical direction with the 2nd GIS metallic cavities 7.Tried because test platform is typically deployed in engineering site
Test, and test platform volume is more huge, therefore, needs to account for the floor space of test platform under normal circumstances.
Scene is more spacious, can be by the first GIS metallic cavities 1 in the horizontal direction with the during to test platform floor space no requirement (NR)
Two GIS metallic cavities 7 connect, i.e., the first GIS metallic cavities 1 are horizontally disposed connects on ground and with the 2nd GIS metallic cavities 7
Logical, floor space is larger., can be by first in test platform when scene has higher requirements to the floor space of test platform
The in the vertical direction of GIS metallic cavities 1 connects with the 2nd GIS metallic cavities 7, i.e., the 2nd GIS metallic cavities 7 are horizontally disposed in ground
On face, the first GIS metallic cavities 1 are arranged in the top of the 2nd GIS metallic cavities 7 and connected with the 2nd GIS metallic cavities 7, account for
Ground area is smaller.However, to the floor space of test platform, test reliability and test the dismounting of insulator 2 just at the same time
When profit considers, a first GIS metallic cavity 1 can be set simultaneously in the horizontal direction and on vertical direction, and it is horizontal
The first GIS metallic cavities 1 on direction and vertical direction connect with the 2nd GIS metallic cavities 7.As shown in Fig. 2 in level
3 experiment insulators 2 are mounted with the first GIS metallic cavities 1 connected on direction with the 2nd GIS metallic cavities 7, in vertical side
Be mounted with the first GIS metallic cavities 1 connected upwards with the 2nd GIS metallic cavities 72 experiment insulators 2 so that test into
5 sample datas can be obtained by battery of tests during row, reduce influence of the properties of sample dispersiveness to result of the test, Er Qie
The first GIS metallic cavities 1 are provided with horizontal direction and vertical direction, accounting for for test platform can be reduced to the full extent
Ground area.If 5 experiment insulators 2 are horizontally mounted, (i.e. the first GIS metallic cavities 1 are gone up and the 2nd GIS only in horizontal direction
Metallic cavity 7 connects), occupation area of equipment is excessive.If 5 experiment vertically-mounted (i.e. the first GIS metallic cavities 1 of insulator 2
Only in the vertical direction connects with the 2nd GIS metallic cavities 7), device height is too high, is not easy to dismantle.It is understood that it is
Ensure the reliability connected between the 2nd GIS metallic cavities 7 and the 2nd GIS metallic cavities 7, the 2nd GIS metallic cavity 7 pass through
Adapter flange 8 connects with the first GIS metallic cavities 1.
Further, air bound disc insulator 9 is provided with high pressure guide rod 3, for the 2nd GIS metallic cavities 7 to be divided
It is divided into the first air chamber and the second air chamber；First air chamber is connected with sleeve pipe 4, and the second air chamber connects with the first GIS metallic cavities 1.Such as
Shown in Fig. 2, the air bound disc insulator 9 on high pressure guide rod 3, the 2nd GIS metallic cavities 7 are divided into two air chambers in left and right, its
Middle left side air chamber is connected by flange with outer sleeve 4.Right side air chamber passes through adapter flange 8 and the phase of the first GIS metallic cavities 1
Even.First GIS metallic cavities 1 of 220kV the 2nd GIS metallic cavities 7 and 110kV, which are separated, can ensure two air chambers
SF6 gases not UNICOM, once flashover occurs for the experiment insulator 2 in experiment in 110kV the first GIS metallic cavities 1, it is necessary to more
Individually the SF6 gases in the first GIS metallic cavities 1 can be released when changing, without by the SF6 in the 2nd GIS metallic cavities 7
Gas is released in the lump, avoids wasting.
Further, for the ease of being observed and recorded to the flashover situation inside the first GIS metallic cavities 1, first
The outside of GIS metallic cavities 1 is provided with observation window 10, and image acquisition device 6 is arranged on observation window 10.Using IMAQ
Device 6 is monitored to the discharge scenario in the first GIS metallic cavities 1, it is ensured that monitoring reliability and can fast positioning go out occur
The experiment insulator 2 of edge flashing, in order to which test product is dismantled, accelerate experiment progress.
Further, for prevent impulse flashover trigger Ground Electric Potential Rise may caused by image acquisition device 6 damage situation,
Image acquisition device 6 uses battery powered, and image acquisition device 6 is earth-free and electric potential floating.Image acquisition device 6 is wireless and passive image
Collector, for the picture signal collected by transmission of wireless signals, to realize the electric of high-tension apparatus and low-voltage equipment room
Isolation.
Further, valve and air gauge are installed in the first GIS metallic cavities 1, for being filled with SF6 gases and monitoring the
Air pressure inside one GIS metallic cavities 1.
In order to make it easy to understand, it can be entered below with reference to engineering site with a kind of insulator damage test platform of practical application
The detailed description of row.
The insulator damage test platform includes 220kV GIS metallic cavities (the 2nd GIS metallic cavities), 110kV is tested
Disc insulator, adapter flange, 110kV GIS metallic cavities (the first GIS metallic cavities), 220kV sleeve pipes, 220kV air bound basins
Formula insulator, impulse voltage generator, high-voltage ac power, high pressure guide rod, organic glass observation window and long distance wireless are passive
Image acquisition device.Wherein, 2 110kV experiment disc insulators erect after being connected by 110kV GIS metallic cavities through adapter flange
Directly it is fixedly installed in 220kV GIS metallic cavities, 3 110kV experiment disc insulators pass through 110kV GIS wire chamber body phases
It is fixedly installed in after even through adapter flange level in 220kV GIS metallic cavities.1 220kV air bound disc insulator is installed on
In the middle part of 220kV GIS metallic cavities, isolation left and right sides air chamber.1 220kV bushing is installed on 220kV GIS wire chambers
On body.High pressure guide rod is fixed on the center of metallic cavity by insulator.Impulse voltage generator and high-voltage ac power pass through
Sleeve pipe applies surge voltage to high pressure guide rod.Organic glass observation window is installed in 110kV GIS metallic cavities.Long distance wireless without
Source images collector is fixedly installed on organic glass observation window, and metallic cavity internal discharge situation is monitored in real time.
Alternatively, 220kV GIS metallic cavities are made of aluminium alloy, can tolerate up to 1MPa air pressure.The metallic cavity
Two air chambers are divided into by 220kV air bound disc insulators, wherein left side air chamber is connected by flange with outer sleeve, right side
Air chamber is connected by adapter flange with 110kV GIS metallic cavities.Adapter flange is made of aluminium alloy, is shaped as disc.
External diameter is 345mm, internal diameter 260mm, thickness 40mm.Both sides are respectively machined with 12 screwed holes.Wherein side screwed hole be used for
220kV GIS metallic cavities are connected, and opposite side screwed hole is used to be connected with 110kV GIS metallic cavities.It is provided with each air chamber
Valve and air gauge, 0.4MPa SF6 can be filled with into metallic cavity, simulate live GIS insulation conditions.
Alternatively, 110kV test disc insulator using doping Al2O3 epoxy resin be made, be shaped as it is discoid, directly
Footpath is 345mm, thickness as outside 35mm.The metal insert that external diameter is 88mm is installed in insulation subcenter, inserts material is
6063-T6 aluminium alloys, for high pressure guide rod to be fixedly mounted.Uniformly 12 screw threads are machined with the outside of 110kV experiment disc insulators
Hole, it is easy to 110kV experiment disc insulators to be fixedly mounted in 110kV GIS metallic cavities.
110kV GIS metallic cavities are made of 5052-H112 aluminium alloys, can tolerate up to 1MPa air pressure.The wire chamber
Body length is 500mm, internal diameter 260mm, cavity thickness 10mm.Cavity both sides are machined with flange, and flange outer diameter is
345mm, disc insulator can be tested with 110kV and docked.Valve and air gauge are installed on each chamber, can be filled into metallic cavity
Enter 0.4MPa SF6, simulate live GIS insulation conditions.
220kV sleeve pipes are installed on above the chamber on the left of 220kV GIS metallic cavities, for high voltage power supply to be safely introduced
On guide rod in metallic cavity.
Impulse voltage generator maximum output voltage 1100kV, for producing standard lightning impulse voltage and switching impulse electricity
Pressure, its output end are connected with bushing.
High-voltage ac power maximum output voltage 800kV, for producing power frequency ac voltage, carrying out ac voltage withstanding experiment
When its output end be connected with bushing.
High pressure guide rod is installed on metallic cavity center by being fixed on disc insulator.It is high that high pressure guide rod includes first
Guide rod and the second high pressure guide rod are pressed, the first high pressure guide rod is connected with sleeve pipe in 220kV GIS metallic cavity left chambers,
One end is connected with 220kV air bound disc insulators convex surface, in right chamber, the second high pressure guide rod and 220kV air bound basins
Formula insulator concave surface is connected, and the other end is divided into vertically and horizontally, is connected respectively with 110kV experiment disc insulators.
Organic glass observation window thickness is 15mm, diameter 100mm, and 110kV GIS wire chambers are fixedly installed in by flange
On body, up to more than 1MPa air pressure is can tolerate, metallic cavity inner case can effectively be observed by organic glass observation window.
Long distance wireless passive images collector size is only 30mm*20mm*15mm, and using battery powered, overall current potential hangs
It is floating, it is therefore prevented that the situation that image acquisition device caused by impulse flashover triggers Ground Electric Potential Rise possible damages, meanwhile, pass through wireless communication
The electrical isolation of high-tension apparatus and low-voltage equipment room is realized in number transmission.Long distance wireless passive images collector is fixedly installed in organic
On glass window, metallic cavity internal discharge situation can be monitored in real time.
The advantages of platform, is to use 220kV equipment to non-experiment cavity, it is ensured that will not be dodged under surge voltage
Network, and connected using multiple metallic cavity UNICOMs, conventional efficient greatly improved, and data dispersiveness statistics can be realized, adopt
With wireless and passive image acquisition device observe, it is ensured that monitoring reliability and easily positioning flashover insulator, accelerate test into
Degree, a platform can carry out impact and industrial frequency experiment simultaneously, it is not necessary to detaching equipment, time saving while improve examination
Test the confidence level of result.
It is the detailed description to the concrete structure of insulator damage test platform provided in an embodiment of the present invention above, below
It will be described in detail to how to operate insulator damage test platform provided in an embodiment of the present invention.
1st, under conditions of voltage is not applied, vavuum pump is respectively connected to 220kV GIS metallic cavities and 110kV GIS gold
On the valve for belonging to cavity, vacuum is evacuated to respectively to each air chamber and reaches -50Kpa.Then toward being filled with respectively in chamber
0.5Mpa SF6.
2nd, long distance wireless passive images collector is fixedly installed on organic glass observation window, and start long distance wireless without
Source images collector.
3rd, turn on the power switch, adjust the wave head and wave terminal resistance of impulse voltage generator, ensure impulse voltage generator
Can output -350kV standard lightning impulse voltage waveforms.
4th, impulse voltage generator and 220kV bushings are connected.
5th, impulse voltage generator is started, persistently 5 110kV experiment disc insulators are applied by high pressure guide rod-
350kV standard lightning impulse voltage.
6th, observe and record the insulation situation of 5 110kV experiment disc insulators 2.Once some experiment disc insulator
Generation flashover, then record flashover voltage and applied the number of surge voltage.The then lower disc insulator that flashover occurs of dismounting,
Standard lightning impulse voltage is continued to remaining disc insulator, until all 5 disc insulators occur flashover or reached
To maximum impact number 450 times.
7th, 5 brand-new 110kV experiment disc insulators, repeat step 1 and step 2. are ressembled
8th, turn on the power switch, adjust the wave head and wave terminal resistance of impulse voltage generator, ensure impulse voltage generator
Can output -219kV standard switching voltage impulse shapes.
9th, impulse voltage generator is started, persistently 5 110kV experiment disc insulators are applied by high pressure guide rod-
219kV standard switching impulse voltages.
10th, observe and record the insulation situation of 5 110kV experiment disc insulators.Once some experiment disc insulator
Generation flashover, then record flashover voltage and applied the number of surge voltage.The then lower disc insulator that flashover occurs of dismounting,
Standard lightning impulse voltage is continued to remaining disc insulator, until all 5 disc insulators occur flashover or reached
To maximum impact number 150 times.
11st, -450kV lightning impulse voltages are acted on after 450 times and -219kV operating impulse voltages act on 150 times still
The 110kV GIS disc insulators of flashover do not occur, ressemble, repeat step 1.
12nd, high-voltage ac power and 220kV bushings are connected.
13rd, start high-voltage ac power, apply power-frequency voltage, the breakdown voltage under power frequency is obtained using method of progressively boosting.
A kind of insulator damage test platform provided by the invention, design is easily achieved, simple to operate, by insulator
Surge voltage and working-frequency voltage test are carried out, is provided for research surge voltage for the accumulated damage characteristic of GIS disc insulators
Reliable, effective experimental data, be advantageous to engineering staff to testing the impact resistance of insulator, insulating capacity carries out analysis and commented
Estimate.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. insulator damage test platform, it is characterised in that including：First GIS metallic cavities, experiment insulator, high pressure guide rod, sleeve pipe, impulse voltage generator and image acquisition device；The experiment insulator is fixedly installed on the inside of the first GIS metallic cavities；The high pressure guide rod is fixedly installed on the interior of the first GIS metallic cavities through the center of the experiment insulator Portion；The impulse voltage generator is connected by described sleeve pipe with the high pressure guide rod, for producing described in surge voltage and warp High pressure guide rod is put on the experiment insulator；Described image collector is arranged at the outside of the first GIS metallic cavities, and described insulator is tested for gathering The situation of flashover.
- 2. insulator damage test platform according to claim 1, it is characterised in that also include：2nd GIS wire chambers Body；The 2nd GIS metallic cavities connect with the first GIS metallic cavities, and the high pressure guide rod is disposed through connection The inside of the 2nd GIS metallic cavities and the first GIS metallic cavities；The withstanding voltage of the 2nd GIS metallic cavities is more than the withstanding voltage of the first GIS metallic cavities.
- 3. insulator damage test platform according to claim 2, it is characterised in that the first GIS metallic cavities exist Connected in horizontal direction with the 2nd GIS metallic cavities；OrThe first GIS metallic cavities in the vertical direction connects with the 2nd GIS metallic cavities；OrThe first GIS metallic cavities connect with vertical direction with the 2nd GIS metallic cavities in the horizontal direction simultaneously.
- 4. insulator damage test platform according to claim 2, it is characterised in that the 2nd GIS metallic cavities are led to Adapter flange is crossed to connect with the first GIS metallic cavities.
- 5. insulator damage test platform according to claim 2, it is characterised in that be provided with gas on the high pressure guide rod Every disc insulator, for the 2nd GIS metallic cavities to be divided into the first air chamber and the second air chamber；First air chamber is connected with described sleeve pipe, and second air chamber connects with the first GIS metallic cavities.
- 6. insulator damage test platform according to claim 1, it is characterised in that the first GIS metallic cavities Outside is provided with observation window, and described image collector is arranged on the observation window.
- 7. the insulator damage test platform according to claim 1 or 6, it is characterised in that described image collector uses Battery powered, described image collector is earth-free and electric potential floating.
- 8. insulator damage test platform according to claim 7, it is characterised in that described image collector is wireless nothing Source images collector, for the picture signal collected by transmission of wireless signals.
- 9. insulator damage test platform according to claim 1, it is characterised in that in the first GIS metallic cavities Valve and air gauge are installed, for being filled with SF6 gases and monitoring the air pressure inside the first GIS metallic cavities.
- 10. insulator damage test platform according to claim 1, it is characterised in that the center of the experiment insulator Metal insert is installed, for the high pressure guide rod to be fixedly mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710964775.4A CN107607846A (en) | 2017-10-17 | 2017-10-17 | A kind of insulator damage test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710964775.4A CN107607846A (en) | 2017-10-17 | 2017-10-17 | A kind of insulator damage test platform |
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| Publication Number | Publication Date |
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| CN107607846A true CN107607846A (en) | 2018-01-19 |
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| CN201710964775.4A Pending CN107607846A (en) | 2017-10-17 | 2017-10-17 | A kind of insulator damage test platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114184913A (en) * | 2021-11-30 | 2022-03-15 | 国网重庆市电力公司电力科学研究院 | C5F10O-mixed gas electrical insulation characteristic test method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234074A (en) * | 1985-08-07 | 1987-02-14 | Hitachi Cable Ltd | Apparatus for testing ac dielectric breakdown of sheet like insulator |
| CN201196675Y (en) * | 2008-05-27 | 2009-02-18 | 中国电力科学研究院 | Experiment research apparatus used for DC gas insulation metal closed electric power line |
| CN101446617A (en) * | 2008-05-27 | 2009-06-03 | 中国电力科学研究院 | Test apparatus of DC gas insulated metal enclosed transmission line (GIL) |
| CN105466818A (en) * | 2015-12-25 | 2016-04-06 | 国家电网公司 | Experimental platform for simulating and monitoring movement condition of metal particles in GIS |
| CN105785145A (en) * | 2016-03-23 | 2016-07-20 | 华北电力大学 | DC GIL disc insulator surface charge density measurement and observation platform |
| CN207301252U (en) * | 2017-10-17 | 2018-05-01 | 广东电网有限责任公司电力科学研究院 | A kind of insulator damage test platform |
-
2017
- 2017-10-17 CN CN201710964775.4A patent/CN107607846A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234074A (en) * | 1985-08-07 | 1987-02-14 | Hitachi Cable Ltd | Apparatus for testing ac dielectric breakdown of sheet like insulator |
| CN201196675Y (en) * | 2008-05-27 | 2009-02-18 | 中国电力科学研究院 | Experiment research apparatus used for DC gas insulation metal closed electric power line |
| CN101446617A (en) * | 2008-05-27 | 2009-06-03 | 中国电力科学研究院 | Test apparatus of DC gas insulated metal enclosed transmission line (GIL) |
| CN105466818A (en) * | 2015-12-25 | 2016-04-06 | 国家电网公司 | Experimental platform for simulating and monitoring movement condition of metal particles in GIS |
| CN105785145A (en) * | 2016-03-23 | 2016-07-20 | 华北电力大学 | DC GIL disc insulator surface charge density measurement and observation platform |
| CN207301252U (en) * | 2017-10-17 | 2018-05-01 | 广东电网有限责任公司电力科学研究院 | A kind of insulator damage test platform |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109613406B (en) * | 2018-12-29 | 2023-10-27 | 沈阳工业大学 | Test device and method for observing surface flashover discharge of basin-type insulator |
| CN114184913A (en) * | 2021-11-30 | 2022-03-15 | 国网重庆市电力公司电力科学研究院 | C5F10O-mixed gas electrical insulation characteristic test method |
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Application publication date: 20180119 |