CN106841963A - A kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup - Google Patents

A kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup Download PDF

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Publication number
CN106841963A
CN106841963A CN201710227397.1A CN201710227397A CN106841963A CN 106841963 A CN106841963 A CN 106841963A CN 201710227397 A CN201710227397 A CN 201710227397A CN 106841963 A CN106841963 A CN 106841963A
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CN
China
Prior art keywords
vacuum
discharge room
vacuum discharge
electrode
sealing
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Pending
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CN201710227397.1A
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Chinese (zh)
Inventor
邱睿
付仲愈
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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Priority to CN201710227397.1A priority Critical patent/CN106841963A/en
Publication of CN106841963A publication Critical patent/CN106841963A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing 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
    • G01R31/1227Testing 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 of components, parts or materials
    • G01R31/1263Testing 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 of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1281Testing 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 of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of liquids or gases
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing 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
    • G01R31/16Construction of testing vessels; Electrodes therefor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The present invention relates to gas discharge and the research field of gas-insulated performance,A kind of especially vacuum experiment device for measuring the inferior discharge parameter of gas soup,Present invention solves the technical problem that being the measurement request for meeting the inferior discharge parameter of soup,Technical solution of the present invention includes that photoelectricity binary channel high pressure sealing sleeve pipe passes through to be covered on arc chamber and is connected with discharging gap,Sieve can Paderewski Top electrode be provided with and excite electronic portal,Optical mirror slip is replaceable design,With vacuum system be connected arc chamber by connecting air flue by vacuum flapper valve,Sealing transmission bag is installed on arc chamber lower cover both sides,Discharging gap is connected by bottom electrode connecting line with vacuum electrode,Clearance distance is changed by screw rod lifting,Auxiliary port is provided with each locking space,Vacuum degree regulator is by sample introduction air flue for arc chamber is inflated,Vacuum discharge room offers extension observation window,Main observation window,Extension connector,Each opening contact surface is sealed using fluorine glue O-ring seal.

Description

A kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup
Technical field
It is especially a kind of for measuring gas the present invention relates to gas discharge mechanism and the research field of gas insulating properties The vacuum experiment device of the inferior discharge parameter of soup.
Background technology
The inferior discharge parameter of soup of gas is that can be used to characterize ability and insulating properties that gas suppresses electric discharge development, also may be used For the development mechanism of learning gas electric discharge, the parameter is particularly significant in terms of plasma physics and gas insulation applications 's.The discharge current to the effect that to gas under different air pressure, spacing and electric-field intensity of the experiment is measured.In reality During testing, amount of samples is less, and operating air pressure is relatively low, and there is reciprocal mechanical movement, and traditional dynamic sealing is difficult completely Sufficient requirement of experiment, this brings larger difficulty to the sealing design of experimental provision., it is necessary to experimental provision before experiment starts Offer vacuumizes the sample introduction gas circuit of gas circuit and under test gas, when the circuit design of experimental provision is carried out, it is necessary to be thought of as gas Ionization is also contemplated that while providing highfield and is driven and control for stepper motor provides light current, further, since initiating electron Transition needs strong laser irradiation, and these requirements cause to be further comprises in experimental provision set gas, electricity, Guang Sanlu, and circuit Forceful electric power and light current, have to consider space isolation and the assignment problem of each system when each functional area is arranged.
To sum up, when being measured to the inferior discharge parameter of gas soup, it is necessary to what a kind of accurate complicated and coincidence measurement was required Vacuum experiment device.
The content of the invention
Requirement of experiment during discharge parameter inferior for measurement gas soup, the present invention devises a kind of inferior for measuring gas soup The vacuum experiment device of discharge parameter, the apparatus structure is compact, and air-tightness is good, extended capability is strong, meets the inferior electric discharge ginseng of gas soup Several measurement requests.
The unresolved problem above of the present invention is adopted the technical scheme that:It is a kind of for measuring the true of the inferior discharge parameter of gas soup Empty real experiment device, it is characterised in that:Put including lid, vacuum discharge room, vacuum on photoelectricity binary channel high pressure sealing sleeve pipe, arc chamber Seat under electric room extension observation window, pumped vacuum systems adpting flange, vacuum flapper valve, vacuum system connection air flue, vacuum discharge room Circle, vacuum discharge room lower cover, vacuum discharge room platform fixing threaded hole, lower cover sealing bolt, vacuum electrode, bottom electrode connecting line, Sealing transmission bag, bottom electrode screw rod, discharging gap, the main observation window in vacuum discharge room, vacuum discharge room extension connector, vacuum Adjuster, vacuum discharge room sample introduction air flue;
The photoelectricity binary channel high pressure sealing sleeve pipe through lid on vacuum discharge room, into vacuum discharge room, put by the vacuum Lid is installed on vacuum discharge room upper end by upper lid sealing bolt on electric room, and the expansion of vacuum discharge room is connected to outside the vacuum discharge room Exhibition connector and vacuum discharge room extension observation window, the vacuum flapper valve is connected at pumped vacuum systems connection air flue, described Pumped vacuum systems adpting flange is installed on vacuum flapper valve lower section, and vacuum discharge room lower cover seals spiral shell by by lower cover Bolt is rigidly connected with vacuum discharge room bottom race, and the vacuum discharge room lower cover outer rim offers vacuum discharge room platform and fixes spiral shell Hole, the sealing transmission bag is installed on vacuum discharge room lower cover both sides, and the power for realizing vacuum discharge indoor and outdoor is transmitted, institute State discharging gap to be suspended in the middle of vacuum discharge room by photoelectricity binary channel high pressure sealing sleeve pipe and bottom electrode screw rod, the electric discharge Gap is connected by bottom electrode connecting line with vacuum electrode, and the vacuum degree regulator is installed on vacuum discharge room and enters by flange At sample air flue, the main observation window in vacuum discharge room is welded in vacuum discharge room(5)Outside, level, institute are kept with discharge air-gap Vacuum degree regulator is stated to be installed at the sample introduction air flue of vacuum discharge room.
Further, upper lid fluorine glue O-ring seal is used on lid and vacuum discharge room contact surface on the vacuum discharge room Hermetic seal is realized, on the lower vacuum discharge room lower cover and vacuum discharge room bottom race contact surface, the lower cover O-shaped sealing of fluorine glue is used Circle realizes hermetic seal.
Further, the sealing transmission bag(18)By device for sealing magnetic fluid(17)And travelling gear(19)Composition;Institute State device for sealing magnetic fluid and be installed on outer side of lid under vacuum discharge room, the travelling gear is installed in vacuum discharge room Side.
Further, the discharging gap is by Top electrode optical lens frame, sieve can Paderewski Top electrode, excite electronics to enter Mouthful, sieve can Paderewski bottom electrode, bottom electrode insulation, light path auxiliary lens, sealing fused silica glass composition;The Top electrode optical frames Horse top by screw thread be installed on photoelectricity binary channel high pressure sealing sleeve pipe lower section, bottom be provided with sieve can Paderewski Top electrode, Electrode optical lens frame lower section is inlaid with light path auxiliary lens, is used to provide and excites electronics, and the light path auxiliary lens are not Be rigidly connected with electrode optical lens frame, can be replaced by Top electrode auxiliary port, it is described excite in the middle of electronic portal by Nickel wire netting is constituted, by outer wall thread be installed on sieve can Paderewski Top electrode center, sieve can be under Paderewski bottom electrode Side is connected with bottom electrode insulation, and to prevent discharge signal from leaking, the bottom electrode insulation is connected with bottom electrode screw rod, is used to adjust The distance of discharging gap, the sealing fused silica glass is adhered to photoelectricity binary channel high pressure sealing sleeve pipe lower end by sealing glue, It is used to realize light-path and hermetic seal.
Further, in the discharging gap by Top electrode optical lens frame and bottom electrode insulation, to offer Top electrode auxiliary Air flue and bottom electrode auxiliary port are helped, is used to accelerate the vacuum in locking space, prevent residue gas.
The beneficial effects of the invention are as follows:
First, this experimental provision compact conformation, reduces gas usage, has saved experimental cost;
2nd, this experimental provision employs device for sealing magnetic fluid, and this experimental provision number of aperture is less, and is used in many places contact surface Fluorine glue O-ring seal, improves the air-tightness of device, it is ensured that the degree of accuracy of parameter measurement;
3rd, this experimental provision provides detachable mirror holder and replaceable eyeglass, reduces the maintenance difficulties of experimental facilities;
4th, this experimental provision employs high and low pressure isolation power supply, prevents from measuring the leakage and interference of electric current;
5th, this experimental provision internally increased bleed passage in each closing space, improve gas circulation, prevent residual gas Influence to gas componant;
6th, this experimental provision is externally provided with expansion interface, can provide hardware supported for later Function Extension, improves the logical of device With property and service life.
Brief description of the drawings
Fig. 1 is the overall structure figure of experimental provision
Fig. 2 is the structure chart of discharging gap.
Specific embodiment
Below with reference to accompanying drawing, the present invention is described in detail.
With reference to shown in Fig. 1 and Fig. 2, a kind of vacuum experiment for measuring the inferior discharge parameter of gas soup disclosed by the invention is filled Put, it is characterised in that:Including lid 2, vacuum discharge room 5, vacuum discharge room on photoelectricity binary channel high pressure sealing sleeve pipe 1, arc chamber Seat under extension observation window 6, pumped vacuum systems adpting flange 7, vacuum flapper valve 8, vacuum system connection air flue 9, vacuum discharge room Circle 10, vacuum discharge room lower cover 11, vacuum discharge room platform fixing threaded hole 12, lower cover sealing bolt 13, vacuum electrode 15, lower electricity Pole connecting line 16, sealing transmission bag 18, bottom electrode screw rod 20, discharging gap 21, the main observation window 22, vacuum discharge in vacuum discharge room Room extension connector 23, vacuum degree regulator 24, vacuum discharge room sample introduction air flue 25;
The photoelectricity binary channel high pressure sealing sleeve pipe 1 passes through lid 2 on vacuum discharge room, into vacuum discharge room 5, the vacuum Lid 2 is installed on the upper end of vacuum discharge room 5 by upper lid sealing bolt 4 on arc chamber, and the vacuum discharge room 5 is circumscribed with vacuum and puts Electric room extension observation window 6 and vacuum discharge room extension connector 23, the vacuum flapper valve 8 are connected to pumped vacuum systems connection gas At road 9, the pumped vacuum systems adpting flange 7 is installed on the lower section of vacuum flapper valve 8, and vacuum discharge room lower cover 11 passes through It is rigidly connected with vacuum discharge room bottom race 10 by lower cover sealing bolt 13, the outer rim of vacuum discharge room lower cover 11 is offered Vacuum discharge room platform fixing threaded hole 12, the sealing transmission bag 18 is installed on the both sides of vacuum discharge room lower cover 11, for realizing Power transmission inside and outside vacuum discharge room 5, the discharging gap 21 passes through photoelectricity binary channel high pressure sealing sleeve pipe 1 and bottom electrode spiral shell Bar 20 is suspended in the middle of vacuum discharge room 5, and the discharging gap 21 is connected by bottom electrode connecting line 16 with vacuum electrode 15, institute State vacuum degree regulator 24 to be installed at vacuum discharge room sample introduction air flue 9 by flange, the main observation window 22 in vacuum discharge room The outside of vacuum discharge room 5 is welded in, level is kept with discharge air-gap 21, the vacuum degree regulator 24 is installed on vacuum discharge room At sample introduction air flue 25.
High vacuum system is connect under the pumped vacuum systems adpting flange 7, is that vacuum discharge room 5 carries out high vacuum.
The vacuum degree regulator 24 is surveyed gas tank and is connected with band, after evacuation is finished, by setting atmospheric pressure value To inflation in vacuum discharge room 5
On the vacuum discharge room on lid 2 and the contact surface of vacuum discharge room 5, realized using upper lid fluorine glue O-ring seal 3 airtight On envelope, the lower vacuum discharge room lower cover 11 and the contact surface of vacuum discharge room bottom race 10, lower cover fluorine glue O-ring seal 14 is used Realize hermetic seal.
The sealing transmission bag 18 is made up of device for sealing magnetic fluid 17 and travelling gear 19;The device for sealing magnetic fluid 17 are installed on the outside of vacuum discharge room lower cover 11, and the travelling gear 19 is installed on the inner side of vacuum discharge room 5.
The discharging gap 21 by Top electrode optical lens frame 2-1, sieve can Paderewski Top electrode 2-2, excite electronic portal 2-3, sieve can Paderewski bottom electrode 2-4, bottom electrode insulation 2-5, light path auxiliary lens 2-6, sealing fused silica glass 2-9 compositions;Institute State Top electrode optical lens frame 2-1 tops and the lower section of photoelectricity binary channel high pressure sealing sleeve pipe 1 is installed on by screw thread, bottom is provided with Sieve can Paderewski Top electrode 2-2, the electrode optical lens frame 2-1 lower sections are inlaid with light path auxiliary lens 2-6, described to excite electricity Sub- entrance 2-3 is made up of nickel wire netting, by outer wall thread be installed on sieve can Paderewski Top electrode 2-2 centers, sieve can Paderewski bottom electrode 2-4 downsides are connected with bottom electrode insulation 2-5, to prevent discharge signal from leaking, bottom electrode insulation 2-5 with Bottom electrode screw rod 20 is connected, and is used to adjust the distance of discharging gap 21, and the sealing fused silica glass 2-9 is bonded by sealing glue In the lower end of photoelectricity binary channel high pressure sealing sleeve pipe 1, it is used to realize light-path and hermetic seal.
Preferably, light path auxiliary lens are replaceable design, are focused using optical lens, and surface is coated with gold Film, to provide initiating electron.
Preferably, Top electrode optical lens frame upper end inner side and lower end outside process screw thread, for can be on Paderewski by sieve Electrode and itself it is fixed on photoelectricity binary channel bushing.
Preferably, arc chamber number of aperture, further improve the air-tightness are reduced.
In the discharging gap 21 by Top electrode optical lens frame 2-1 and bottom electrode insulation 2-5, to offer Top electrode auxiliary Air flue 2-8 and bottom electrode auxiliary port 2-6 is helped, is used to accelerate the vacuum in locking space, prevent residue gas.
Above example is the exemplary illustration to this patent, does not limit its protection domain, people in the art Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.

Claims (5)

1. a kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup, it is characterised in that:It is high including photoelectricity binary channel Means of press seals sleeve pipe(1), cover on arc chamber(2), vacuum discharge room(5), vacuum discharge room extension observation window(6), pumped vacuum systems Adpting flange(7), vacuum flapper valve(8), vacuum system connection air flue(9), vacuum discharge room bottom race(10), vacuum discharge room Lower cover(11), vacuum discharge room platform fixing threaded hole(12), lower cover sealing bolt(13), vacuum electrode(15), bottom electrode connection Line(16), sealing transmission bag(18), bottom electrode screw rod(20), discharging gap(21), the main observation window in vacuum discharge room(22), vacuum Arc chamber extends connector(23), vacuum degree regulator(24), vacuum discharge room sample introduction air flue(25);
The photoelectricity binary channel high pressure sealing sleeve pipe(1)Covered on through vacuum discharge room(2), into vacuum discharge room(5)In, institute State and covered on vacuum discharge room(2)By upper lid sealing bolt(4)It is installed on vacuum discharge room(5)Upper end, the vacuum discharge room (5)It is circumscribed with vacuum discharge room extension observation window(6)Connector is extended with vacuum discharge room(23), the vacuum flapper valve(8) It is connected to pumped vacuum systems connection air flue(9)Place, the pumped vacuum systems adpting flange(7)It is installed on vacuum flapper valve(8)Under Side, vacuum discharge room lower cover(11), by lower cover sealing bolt(13)With vacuum discharge room bottom race(10)It is rigidly connected, Vacuum discharge room lower cover(11)Outer rim offers vacuum discharge room platform fixing threaded hole(12), the sealing transmission bag(18) It is installed on vacuum discharge room lower cover(11)Both sides, for realizing vacuum discharge room(5)Inside and outside power transmission, the discharging gap (21)By photoelectricity binary channel high pressure sealing sleeve pipe(1)With bottom electrode screw rod(20)It is suspended to vacuum discharge room(5)Centre, it is described Discharging gap(21)By bottom electrode connecting line(16)With vacuum electrode(15)It is connected, the vacuum degree regulator(24)By method Orchid is installed on vacuum discharge room sample introduction air flue(9)Place, the main observation window in vacuum discharge room(22)It is welded in vacuum discharge room(5) Outside, with discharge air-gap(21)Holding level, the vacuum degree regulator(24)It is installed on vacuum discharge room sample introduction air flue(25) Place.
2. a kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup according to claim 1, its feature exists In lid on the vacuum discharge room(2)With vacuum discharge room(5)On contact surface, upper lid fluorine glue O-ring seal is used(3)Realize Hermetic seal, the lower vacuum discharge room lower cover(11)With vacuum discharge room bottom race(10)It is O-shaped using lower cover fluorine glue on contact surface Sealing ring(14)Realize hermetic seal.
3. a kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup according to claim 1, its feature exists In the sealing transmission bag(18)By device for sealing magnetic fluid(17)And travelling gear(19)Composition;
The device for sealing magnetic fluid(17)It is installed on vacuum discharge room lower cover(11)Outside, the travelling gear(19)Peace Loaded on vacuum discharge room(5)Inner side.
4. a kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup according to claim 1, its feature exists In the discharging gap(21)By Top electrode optical lens frame(2-1), sieve can Paderewski Top electrode(2-2), excite electronic portal (2-3), sieve can Paderewski bottom electrode(2-4), bottom electrode insulation(2-5), light path auxiliary lens(2-6), seal fused silica glass(2- 9)Composition;
The Top electrode optical lens frame(2-1)Top is installed on photoelectricity binary channel high pressure sealing sleeve pipe by screw thread(1)Lower section, Bottom is provided with sieve can Paderewski Top electrode(2-2), the electrode optical lens frame(2-1)Lower section is inlaid with light path auxiliary lens (2-6), it is used to provide and excites electronics, the light path auxiliary lens(2-6)It is not rigidly connected with electrode optical lens frame, can be passed through Top electrode auxiliary port(2-8)It is replaced, it is described to excite electronic portal(2-3)It is made up of nickel wire netting, by outer wall thread Being installed on sieve can Paderewski Top electrode(2-2)Center, sieve can Paderewski bottom electrode(2-4)It is exhausted that downside is connected with bottom electrode Edge(2-5), to prevent discharge signal from leaking, the bottom electrode insulation(2-5)With bottom electrode screw rod(20)It is connected, is used to adjust and puts Electric gap(21)Distance, the sealing fused silica glass(2-9)Photoelectricity binary channel high-pressure sealing sleeve is adhered to by sealing glue Pipe(1)Lower end, is used to realize light-path and hermetic seal.
5. a kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup according to claim 1, its feature exists In the discharging gap(21)In by Top electrode optical lens frame(2-1)Insulated with bottom electrode(2-5)Offer Top electrode auxiliary Help air flue(2-8)With bottom electrode auxiliary port(2-6), it is used to accelerate the vacuum in locking space, prevent residue gas.
CN201710227397.1A 2017-04-07 2017-04-07 A kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup Pending CN106841963A (en)

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CN201710227397.1A CN106841963A (en) 2017-04-07 2017-04-07 A kind of vacuum experiment device for measuring the inferior discharge parameter of gas soup

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108346554A (en) * 2018-04-24 2018-07-31 西南林业大学 A kind of plasma etching and depositing device and method
CN109499683A (en) * 2018-10-16 2019-03-22 崔道坦 A kind of mine selection dry ball
CN109799433A (en) * 2019-03-01 2019-05-24 江苏神马电力股份有限公司 A kind of electrical performance test device and method of insulating materials
CN112083295A (en) * 2020-08-11 2020-12-15 西安交通大学 Experimental device and method based on pulse Thomson method
CN112505455A (en) * 2020-11-26 2021-03-16 国网冀北电力有限公司电力科学研究院 Temperature-based field intensity detection device and method
CN113805013A (en) * 2021-04-29 2021-12-17 湖南大学 Flashover test device and method under temperature gradient working condition in gas insulated power equipment
CN114609450A (en) * 2020-11-25 2022-06-10 核工业理化工程研究院 Single-pipeline vacuum high-pressure sparking test system and test method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108346554A (en) * 2018-04-24 2018-07-31 西南林业大学 A kind of plasma etching and depositing device and method
CN109499683A (en) * 2018-10-16 2019-03-22 崔道坦 A kind of mine selection dry ball
CN109799433A (en) * 2019-03-01 2019-05-24 江苏神马电力股份有限公司 A kind of electrical performance test device and method of insulating materials
CN109799433B (en) * 2019-03-01 2021-01-15 江苏神马电力股份有限公司 Device and method for testing electrical performance of insulating material
CN112083295A (en) * 2020-08-11 2020-12-15 西安交通大学 Experimental device and method based on pulse Thomson method
CN114609450A (en) * 2020-11-25 2022-06-10 核工业理化工程研究院 Single-pipeline vacuum high-pressure sparking test system and test method thereof
CN112505455A (en) * 2020-11-26 2021-03-16 国网冀北电力有限公司电力科学研究院 Temperature-based field intensity detection device and method
CN112505455B (en) * 2020-11-26 2023-08-04 国网冀北电力有限公司电力科学研究院 Temperature-based field intensity detection device and method
CN113805013A (en) * 2021-04-29 2021-12-17 湖南大学 Flashover test device and method under temperature gradient working condition in gas insulated power equipment

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