CN105004970B - High voltage partial discharge model switching device under hyperbar - Google Patents
High voltage partial discharge model switching device under hyperbar Download PDFInfo
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- CN105004970B CN105004970B CN201510111798.1A CN201510111798A CN105004970B CN 105004970 B CN105004970 B CN 105004970B CN 201510111798 A CN201510111798 A CN 201510111798A CN 105004970 B CN105004970 B CN 105004970B
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- partial discharge
- push rod
- discharge model
- cavity
- hyperbar
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Abstract
It is used for high voltage Partial Discharge Sources models switching device under the hyperbar of Cubicle Gas-Insulated Switchgear (GIS) cavity partial discharge test the invention provides a kind of.The switching device is made up of partial discharge model, scalable push rod, hyperbar seal cavity, cavity high-field electrode and controller.Each scalable push rod can stretch out or retract under the control of the controller, it is contacted cavity high-field electrode so as to which partial discharge model be released, or partial discharge model is recalled and makes it away from cavity high-field electrode.The length of partial discharge model and the telescopic extensions of push rod calculate by insulation distance so that the partial discharge model of retraction does not influence the discharge performance for the partial discharge model stretched out.The present invention can improve the efficiency and accuracy of GIS equipment partial discharge experiment, while also reduce potential personal safety risk during experiment.
Description
Technical field
The invention belongs to Cubicle Gas-Insulated Switchgear (GIS) High-Voltage Insulation to test field, in particular to one
Kind can realize the device that GIS inside cavities partial discharge model automatically switches during GIS partial discharge experiment.
Background technology
Gas insulating enclosed switch equipment (GIS) uses the sulfur hexafluoride (SF of 3~6 atmospheric pressure6) gas conduct insulation
Medium, the electric insulation between high-pressure conductor and metal shell is realized, high-pressure conductor is then by disc insulator, supporting insulator
Supported Deng solid dielectric insulation.GIS is small with its floor space, is not affected by atmospheric effects, and the premium properties such as reliability height is in electric power
Use in system is increasingly extensive.However, the shelf depreciation caused by insulation defect occurs in inside, development for a long time can be led
Insulation infringement is caused, detection is carried out to it and is particularly important.
It is more using from actual field with placing different shelf depreciation moulds among the consistent cavity of GIS sizes in laboratory
Type is studied GIS shelf depreciation, and partial discharge model species is a lot, is lacked for the different insulative in Simulated GlS equipment
Fall into, such as corona discharge model, creeping discharge model, bubble electric discharge model, suspended discharge model, particle discharging model etc..
Traditional experiment mode is to place single part between the designed high-field electrode of GIS inside cavities and plate electrode
The mould source type that discharges carries out correlation test, and other kind of class model is changed again after the completion of a kind of model test.Due to inside GIS filled with height
SF6 gases are pressed, therefore, when studying the local discharge characteristic of different partial discharge models, it is very very long to change the process of model,
Need the SF having a power failure in recovery GIS cavitys6Gas, then open GIS cavitys and change model, and the lightweight packages such as cavity cover plate
It is considerable, thus the efficiency of experiment is greatly reduced, unnecessary time delays is caused, and change shelf depreciation mould every time
Type so that the correlated condition of experiment generates a certain amount of difference in a way, experiment it is comparative on also can discount.
Therefore a kind of pilot system that can be realized and partial discharge model automatic switchover is carried out without opening GIS cavitys is designed, for carrying
The efficiency of high GIS local discharge tests and for improving the accuracy of test data, there is very positive meaning and very necessary.
The mechanical structure of still further aspect remote control realizes people and high-tension apparatus electrically completely isolated, reduces experiment process
In risk in terms of potential personal safety.
The content of the invention
It is an object of the invention to provide a kind of partial discharge model switching device being installed under hyperbar, realizes high electricity
Press the automatic switchover of grade GIS device inside cavity difference partial discharge model.
The present invention particular content be：
Partial discharge model switching device is by partial discharge model [1], scalable push rod [2], hyperbar seal cavity
[3], cavity high-field electrode [4] and controller [5] composition, it is characterized in that：Scalable push rod [2] can be in the control of controller [5]
System is lower to stretch out or retracts, and it is contacted cavity high-field electrode [4] so as to which partial discharge model [1] be released, or will be local
Discharging model [1], which is recalled, makes it away from cavity high-field electrode [4]；Partial discharge model [1], scalable push rod [2] and cavity are high
It is internal that piezoelectricity pole [4] is in hyperbar seal cavity [3]；It is outside that controller [5] is in hyperbar seal cavity [3]；It is local
Discharging model [1] is fixed on scalable push rod [2], so as to partial discharge model [1] can with scalable push rod [2] stretching or
Retract and move；Scalable push rod [2] can be only in stretching state or retracted mode；Wherein when scalable push rod [2] is in
During stretching state, the high-voltage contact [11] of partial discharge model [1] just contacts cavity high-field electrode [4]；When scalable push rod
When [2] being in retracted mode, high-voltage contact [11] and the cavity high-field electrode [4] of partial discharge model [1] disengage；When can
When stretches push rod [2] is in retracted mode, between the high-voltage contact [11] and cavity high-field electrode [4] of partial discharge model [1]
Distance be more than partial discharge model [1] length.Scalable push rod [2] is fixed on the cover plate [7] of hyperbar seal cavity [3]
On, and it is relative with cavity high-field electrode [4]；Space between hyperbar seal cavity [3] and cavity high-field electrode [4] is office
The mobile space of portion's discharging model [1]；Electrical connection between scalable push rod [2] and controller [5] passes through positioned at cover plate [7]
On the metal guide rod [21] of through device [8] realize；Hyperbar seal cavity [3] and cover plate [7] are made by metal material, and
And it is grounded；Partial discharge model [1] is by high-voltage contact [11], ground electrode [12], discharging gap [13] and insulating support [14] structure
Into wherein high-voltage contact [11] and ground electrode [12] is made by metal material；Led between ground electrode [12] and cover plate [7] with metal
Line is electrically connected；Through device [8] is made up of metal guide rod [21], nut [22], sealing ring [23] and felt pad [24]；It is wherein golden
There is a boss [25] among category guide rod [21], there is screw thread at both ends；Metal guide rod [21] makes through the hole on cover plate [7] during installation
Sealing ring [23] is placed between boss [25] and cover plate [7] by boss [25] in hyperbar seal cavity [3]；Nut
[22] it is screwed in that side that metal guide rod [21] stretches out cover plate [7]；Felt pad [24] is placed between nut [22] and cover plate [7]；
One end that metal guide rod [21] is located in hyperbar seal cavity [3] connects the electrical wiring of scalable push rod [2], metal guide rod
[21] electrical wiring of one end connection controller [5] positioned at hyperbar seal cavity [3] outside.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall vertical section schematic diagram of present system, only show two scalable push rods in figure, exists in practice
Two identical push rods also be present with the vertical section vertical direction, through device also only draws two to illustrate its mounting means, Fig. 1
(a) design sketch when being stretched out for scalable push rod, design sketch when Fig. 1 (b) is scalable pusher retracted.
Fig. 2 is the vertical section detail view in GIS inside cavities of present system.
Fig. 3 is the installation profile of through device.
Embodiment
The present embodiment provides high voltage shelf depreciation under a kind of hyperbar being installed on 110kV voltage class GIS cavitys
Models switching device, wherein changeable partial discharge model quantity is four.
(1) hyperbar seal cavity
Hyperbar seal cavity is that its main function is for partial discharge model on one section of cavity in 110kVGIS equipment
Placement space is provided.The hermetic seal cavity is made up of the metallic aluminium sealing flange cover plate at metallic aluminium cylindrical cavity and top, and
And isolated by disc insulator with remaining cavity in GIS device.Hyperbar seal cavity and top flange cover plate according to
The gas-insulated metal-enclosed equipment cavities of 110kV require design, wherein the flange plate at top is partial discharge model, electronic pushed away
Bar and through device provide mechanical erection and support.
(2) partial discharge model
Partial discharge model species is a lot, is divided into spine, suspension, metallic particles, crackle etc., in Simulated GlS equipment
The a variety of insulation defects in portion.It is made up of high-voltage contact, ground electrode, discharging gap and insulating support.Between being discharged by change
The concrete structure of gap, spine, suspension, metallic particles, crackle electric discharge can be simulated respectively.The concrete structure of discharging gap can join
According to existing common structure type.
Partial discharge model is installed on the cylindrical insulating support that material is epoxy resin, and model bottom is enclosed with aluminum
High-voltage contact, fully contacted with high-field electrode during ensureing partial discharge test；The insulating support other end and scalable push rod phase
Even, so as to realize contact of the partial discharge model with high-field electrode with separating using the scalable Telescopic for moving back bar；Office
Portion's discharging model is at the discharging gap between ground electrode and high-field electrode；Ground electrode is copper, is installed on insulating support,
It is interelectrode apart from adjustable with bottom high-pressure, for controlling the clearance distance of shelf depreciation, ground electrode and hyperbar seal cavity
Flange plate between be connected by copper wires, realize the connection of ground electrode and the earth.
(3) scalable push rod
Scalable push rod is commercially available electric pushrod, and material is stainless steel, and Telescopic is realized by DC motor Driver push rod.
The scalable push rod number of high pressure sealing inside cavity installation is four, and scalable push rod is screwed in high-pressure sealing chamber
On body flange plate, vertically downward, push rod end is exhausted with fixed partial discharge model for the direction of motion of push rod telescopable portion
Edge support is connected.Simultaneously because the size limitations of the high-field electrode and electric pushrod of high-voltage conductive rod composition in itself, electronic
Push rod slopes inwardly 4 ° to ensure that partial discharge model can contact with high-field electrode.Scalable push rod is with being located at high pressure sealing cavity
Outside controller realizes that wiring electrically connects by steel through device, to realize the control for behavior of being stretched to it.
(4) cavity high-field electrode
Cavity high-field electrode is the disc-shaped structure of a diameter 88mm, with being insulated through hyperbar seal cavity bottom benzvalene form
The metal conducting bar of son is connected, and so as to which the high-field electrode with GIS device connects, experiment electricity is provided for partial discharge model
Pressure.
(5) controller
Controller be located at outside hyperbar seal cavity, in particular to the scalable push rod inside hyperbar seal cavity
The DC power supplier and its supporting remote control for launching infra-red command being connected, it is connected with 220V AC power,
Its main function is that the dc source that 220V alternating current is converted to 24V exports, to be placed in inside hyperbar seal cavity
The direct-drive motors of four scalable push rods power supply is provided, while the DC power supplier is also assembled with infra-red remote control and connect
Road is withdrawn, the instruction of provisioned remote control can be received, be furnished with four groups of buttons on remote control, respectively can to four to realize
The independent control of the stretching retract action of stretches push rod.
As shown in figure 1, hyperbar seal cavity [3] is vertically arranged on the GIS device platform of 110kV voltage class,
Cavity [3] is designed fully according to the GIS device size under actual motion condition, and it is installed perpendicular to ground, and internal diameter is
248mm, cavity [3] are 462.5mm from the bottom surface of upper flange cover plate [7] to the vertical range of bottom high-pressure guide rod electrode.
Flange plate [7] material requirement at the top of cavity [3] is 5A02 aluminium sheets, cover sheet thickness 20mm, is shaped as circle,
Cover plate diameter 345mm, flange plate [7] are provided with the fastening through-hole 12, a diameter of 14mm being engaged with cavity flange, fastener hole
The center of circle is located on 12 Along ents of diameter 314mm circle.Cover plate roughness requirements are 6.3 μm, cavity [3] flange and flange plate
[7] sealing is ensured with ethylene-propylene-diene monomer glue gasket between.
8 through holes, aperture 16mm are opened for through device on cover plate [7], wherein 4 holes center of circle is positioned at and cover plate [7] circle
The heart is overlapped in the fourth class branch of diameter 180mm circle, and the positioning in the four additional hole center of circle overlaps diameter 50mm with cover plate [7] center of circle
Circle fourth class branch on；Cavity side is that the firm banking of scalable push rod [2] opens 16 M6 screw thread to cover plate [7] close to the inner portion
Blind hole, hole depth 10mm；Cover plate [7] vacant position in inside cavities face is also provided with 1 M8 depths 10mm tapped blind hole, for ground electrode
[5] installation of ground wire and the grounding nut of cage connection；Cover plate [7] cavity lateral surface is provided with two stainless steel handles, with
It is easy to test and flange plate is dismantled in installation process.
The DC power supplier of the outside controller [5] of cavity [3] is connected and is converted into 220kV AC powers
24V DC voltages used in the driving direct current generator of scalable push rod [2], so as to be carried for the motor of scalable push rod [2]
For 24V dc sources, DC power supplier is respectively that four scalable push rods [2] separately provide direct current equipped with four jacks
Source, while receive the life from remote control equipped with infrared remote-controlled signal receiving module inside the DC power supplier of controller [5]
Order, the conversion of the positive-negative polarity for controlling four supply hub power supplys, testing crew are distant by pressing beyond safe distance
Control device on corresponding operation button come control dc source export polarity, by export direct current polarity upset realize can stretch
The change of the rotation direction of contracting push rod [2] motor, so as to the independent remote control control to realizing scalable push rod [2] Telescopic
System.
Because scalable push rod [2] is located inside hyperbar seal cavity, in order to realize scalable push rod [2] with being located at height
Electrical connection between the controller [5] of pressurized seal containment portion, the present invention devise corresponding through device [8] to reach this
One purpose, the overall number of through device [8] is 8, and each scalable push rod 2 need to assemble 2, for through flange plate, making
The wiring for obtaining controller [5] and the scalable push rod [2] of GIS inside cavities is connected, and power supply is provided for scalable push rod [2]
And the control to its Telescopic is realized, while to ensure that good sealing prevents SF6The leakage of gas.
As shown in figure 3, through device [8] overall material is stainless steel, and to ensure good electric conductivity and mechanical strength, insertion
Device [8] through flange plate [7] be partly metal guide rods [21] of the long 50mm with the M12 screw threads having；Metal guide rod [21] is located at
Inside cavity side is used for the boss [25] for compressing sealing ring [23] with thick 15mm diameters 30mm, so as to realize sealing function；It is close
Seal [23] material is ethylene propylene diene rubber, for the sealing between the sealing surface and flange plate of boss [25], sealing ring
[23] internal diameter is 12mm, and sealing contact surface width is 9mm, and sealing ring thickness is 2mm；Through device [8] passes through on flange plate [7]
Through-hole diameter be 16mm；Metal guide rod [21] stretches out the hexagonal flange that flange plate [7] cavity outboard side portion is equipped with M12
Face nut 22 and its M12 screw thread matches；Felt pad [24] is arranged between nut [22] and cover plate [7], felt pad [24]
Material be polytetrafluoroethylene (PTFE), internal diameter matches with M12 screw threads, external diameter 28mm, and felt pad [24] inner ring side carries high 10mm thickness 2mm
Perpendicular to the tubular construction of pad, it is therefore an objective to be dielectrically separated from, prevent metal guide rod [21] and matched somebody with somebody nut [22] with it is same
It is in contact for the flange plate [7] of metal material and causes short circuit；Through device [8] both ends are long 30mm, nominal diameter M6 spiral shell
Rasp bar, for coordinating with corresponding wiring nut with link.
As shown in Fig. 24 scalable push rods [2] are screwed leans on hyperbar seal cavity in flange plate [7]
[3] in the plane on the inside of, due to the direct current generator that scalable push rod [2] bottom carries, its bottom occupied area is larger, it is single can
Erection space shared by stretches push rod [2] is about the square area that four edge lengths are all 75mm, through measuring and calculating, 4 scalable push rods
[2] being exactly perpendicularly to cover plate [7] fixation can not make the high-voltage contact [11] of partial discharge model [1] touch a diameter of 88mm's
Cavity high-field electrode [4], in order to ensure the contact of partial discharge model [1] and cavity high-field electrode [4], it is necessary to be pushed away scalable
Bar [2] oblique placement, incline direction are to tilt 4 ° to hyperbar seal cavity internal axis line perpendicular to cover plate [7] bottom surface.Can
Stretches push rod [2] natural length in the case where moving lever is retracted is 130mm+ push rod strokes, and push rod stroke can stretches push rod
Can [4] motion parts metal pushrod length, when scalable push rod [2] will ensure that push rod stretches out wherein, peace
The high-voltage contact [11] of partial discharge model [1] on remaining scalable push rod [2] is located at the part tested and put
Above the ground electrode [12] of electric model, in order to avoid unnecessary interference is caused, therefore push rod stroke is greater than partial discharge model [1]
The total length of bar [6] is insulated from, final to determine push rod stroke 110mm, flexible speed is 2.5mm/s.
Scalable push rod [2] end is connected with the insulating support 11 of partial discharge model [1], and its connected mode is as follows：
Scalable push rod [2] end structure is the stainless steel cylinder of a diameter 20mm, perpendicular to the circle at push rod [1] end 9mm
Curved surface of column has the through hole of a diameter 6.5mm, and its size is matched in push rod [1] end and installs an aluminum metal cap, metal cap suit
Pass through the fastened by screw of above-mentioned through hole to get up in push rod [1] end and with one, a nominal diameter is provided with metal cap bottom centre
M16 screwed hole, the insulating support [14] of partial discharge model [1] pass through the screw thread by ground electrode side position M16 threaded rod
Hole is tightened on the metal cap, so as to realize the connection and fixation of partial discharge model [1] and scalable push rod [2].
Insulating support [13] material of partial discharge model is epoxy resin, is the cylinder of a diameter 18mm length 110mm,
Insulating support top is the screw thread that M16 length 65mm is carried by scalable push rod [2] end side, bottom and cavity high-field electrode
[4] contact side studs with aluminum high-voltage contact, the 15mm accounted in insulating support total length.
The insulating support [13] of partial discharge model [1] is equipped with ground electrode [12], ground electrode by scalable push rod [2] side
Material is copper, circular, diameter 70mm, thickness 10mm, and edge does the processing of R5 rounded corners, M16 screwed holes opened at center, with office
The M16 of the insulating support [13] of portion's discharging model [1] screw thread is engaged, and itself and cavity height can be adjusted by way of rotation
The distance of piezoelectricity pole [4], while ground electrode [12] carries tubular construction facing away from cavity high-field electrode [4] side, and it is tight to install one thereon
Gu screw prevents from loosening to fix ground electrode, cut on insulating support [13] on screw thread perpendicular to its bottom cylindrical face cut it is one flat
Face, for the fixation contact surface as fastening screw, ground electrode [12] is facing away from the spiral shell that M6 is provided with the face of cavity high-field electrode [4]
Line blind hole, hole depth 6mm, and fastening screw is equipped with, for installing the ground wire being connected with shell cavity；Ground electrode [12] activity away from
Edge flashing can not occur from when ensureing nearest from cavity high-field electrode [4], while can also ensure having part on model
The generation of electric discharge, through consulting related data, SF of the epoxy resin in 0.4MPa6Gaseous environment high-low pressure interelectrode distance is 20mm
When, its flashover voltage is up to 400kV or so, therefore, this experiment system design ground electrode [12] and cavity high-voltage contact
[11] the minimum 30mm of distance is the influence that can avoid edge flashing between.
The discharging gap of partial discharge model [1] be located at insulating support [13] ground electrode [12] and high-voltage contact [11] it
Between, it is the specific partial discharge model for simulating various insulation defects therebetween.
When carrying out partial discharge model correlation test, after connecting associated connections, testing crew is surprisingly grasped in safe distance
Making the infrared remote controller in hand controls one in multiple scalable push rods [2] to release so that shelf depreciation electric model [1]
High-voltage contact, it is in contact close to cavity high-field electrode [4] and therewith, then starts correlation test, after the completion of experiment, by distant
Control device controls scalable pusher retracted belonging to the partial discharge model [1]；After the partial discharge model is withdrawn completely, then control
Another scalable push rod extends downwardly from, it is achieved thereby that the automatic switchover of partial discharge model, need not release halfway
SF6, open cavity artificial replacement's discharging model, and then the purpose for improving test efficiency, ensuring personal safety.
Claims (1)
1. high voltage partial discharge model switching device under a kind of hyperbar, it is characterized in that：The device is by partial discharge model
[1], scalable push rod [2], hyperbar seal cavity [3], cavity high-field electrode [4] and controller [5] composition；It is scalable to push away
Bar [2] can stretch out or retract under the control of controller [5], it is contacted chamber so as to which partial discharge model [1] be released
Body high-field electrode [4], or partial discharge model [1] is recalled and makes it away from cavity high-field electrode [4]；Partial discharge model
[1], it is internal to be in hyperbar seal cavity [3] for scalable push rod [2] and cavity high-field electrode [4]；Controller [5] is in height
Pressurized seal cavity [3] is outside；Partial discharge model [1] is fixed on scalable push rod [2], so as to partial discharge model [1]
It can be moved with the stretching or retraction of scalable push rod [2]；Scalable push rod [2] can be only in stretching state or retraction shape
State；Wherein when scalable push rod [2] is in stretching state, the high-voltage contact [11] of partial discharge model [1] just contacts chamber
Body high-field electrode [4]；When scalable push rod [2] is in retracted mode, the high-voltage contact [11] and chamber of partial discharge model [1]
Body high-field electrode [4] disengages；When scalable push rod [2] is in retracted mode, the high-voltage contact of partial discharge model [1]
[11] it is more than the length of partial discharge model [1] with the distance between cavity high-field electrode [4]；Scalable push rod [2] is fixed on
On the cover plate [7] of hyperbar seal cavity [3], and it is relative with cavity high-field electrode [4]；Hyperbar seal cavity [3] and chamber
Space between body high-field electrode [4] is the mobile space of partial discharge model [1]；Scalable push rod [2] and controller [5] it
Between electrical connection realized by the metal guide rod [21] of the through device [8] on cover plate [7]；Hyperbar seal cavity
[3] made, and be grounded by metal material with cover plate [7]；Partial discharge model [1] by high-voltage contact [11], ground electrode [12],
Discharging gap [13] and insulating support [14] are formed, and wherein high-voltage contact [11] and ground electrode [12] is made by metal material；Ground
It is electrically connected between electrode [12] and cover plate [7] with plain conductor；Through device [8] is by metal guide rod [21], nut [22], sealing
Enclose [23] and felt pad [24] is formed；Wherein there is a boss [25] among metal guide rod [21], there is screw thread at both ends；Metal during installation
Guide rod [21] makes boss [25] in hyperbar seal cavity [3], and sealing ring [23] is put through the hole on cover plate [7]
Between boss [25] and cover plate [7]；Nut [22] is screwed in that side that metal guide rod [21] stretches out cover plate [7]；Felt pad
[24] it is placed between nut [22] and cover plate [7]；One end connection that metal guide rod [21] is located in hyperbar seal cavity [3] can
The electrical wiring of stretches push rod [2], metal guide rod [21] are located at one end connection controller [5] of hyperbar seal cavity [3] outside
Electrical wiring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111798.1A CN105004970B (en) | 2015-03-16 | 2015-03-16 | High voltage partial discharge model switching device under hyperbar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111798.1A CN105004970B (en) | 2015-03-16 | 2015-03-16 | High voltage partial discharge model switching device under hyperbar |
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| CN105004970A CN105004970A (en) | 2015-10-28 |
| CN105004970B true CN105004970B (en) | 2018-04-06 |
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| CN110865285A (en) * | 2019-11-19 | 2020-03-06 | 国网浙江平湖市供电有限公司 | Switch cabinet partial discharge test model device |
| CN110850245A (en) * | 2019-11-19 | 2020-02-28 | 国网浙江平湖市供电有限公司 | Cubical switchboard partial discharge analogue means based on automatic control |
| CN113721118B (en) * | 2021-09-26 | 2023-05-30 | 华北电力大学 | Ultraviolet imaging simulation experiment device for surface burr type defect discharge of wire |
| CN117538712B (en) * | 2024-01-09 | 2024-03-29 | 保定天威新域科技发展有限公司 | Discharge type and position switching device and discharge model |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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) |
| CN102707207A (en) * | 2012-06-12 | 2012-10-03 | 杭州西湖电子研究所 | Simulating device for various discharges inside GIS (Gas Insulated Switchgear) |
| CN203981831U (en) * | 2014-05-29 | 2014-12-03 | 国网山西省电力公司电力科学研究院 | A kind of local discharge of gas-insulator switchgear simulation test device |
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| JP3243752B2 (en) * | 1998-06-15 | 2002-01-07 | 三菱電機株式会社 | Partial discharge detection device for gas insulated equipment and its calibration method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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) |
| CN102707207A (en) * | 2012-06-12 | 2012-10-03 | 杭州西湖电子研究所 | Simulating device for various discharges inside GIS (Gas Insulated Switchgear) |
| CN203981831U (en) * | 2014-05-29 | 2014-12-03 | 国网山西省电力公司电力科学研究院 | A kind of local discharge of gas-insulator switchgear simulation test device |
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