CN202770954U - Test model for simulating point discharge - Google Patents
Test model for simulating point discharge Download PDFInfo
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- CN202770954U CN202770954U CN201220412584.XU CN201220412584U CN202770954U CN 202770954 U CN202770954 U CN 202770954U CN 201220412584 U CN201220412584 U CN 201220412584U CN 202770954 U CN202770954 U CN 202770954U
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Abstract
The utility model discloses a test model for simulating point discharge, belonging to the technical field of high voltage and insulation in electric power systems. The test model comprises an upper cover plate, a needle electrode, a lower cover plate, and an insulating cylinder, which are arranged sequentially from top to bottom. One end of the needle electrode is detachably or fixedly connected with the upper cover plate while the other end of the needle electrode is opposite to the lower cover plate. The test model further comprises an insulation fastening mechanism. The insulating cylinder is a cylindrical structure having two open ends. The insulation fastening mechanism is respectively detachably connected with the upper cover plate and the lower cover plate, and makes the upper cover plate and the lower cover plate clamp the insulating cylinder tightly. The upper cover plate, the lower cover plate, and the insulating cylinder form a seal cavity and the needle electrode is located inside the seal cavity. The insulating cylinder is detachable so that when tests of point discharge in insulating gas or insulating liquid are switched, all the components of the test model can be cleaned completely in an easy manner simply by disassembling the insulating cylinder, and the high requirements on gas purity of an insulating gas test can be met.
Description
Technical field
The utility model relates to electric system high voltage appearance and insulation technology field, specifically, particularly relates to a kind of test model of simulating point discharge.
Background technology
Point discharge is under the highfield effect, a kind of electric discharge phenomena that the object sharp parts occurs.Point discharge in insulating gas and the insulating oil is a kind of typical insulation fault in the electric system, for the research of its flash-over characteristic, helps it is detected and locates, and avoids it to further develop the formation insulation breakdown, and electric system is brought about great losses.
And the simulation test of local point discharge can be simulated the point discharge in the various situations, by the research to its flash-over characteristic, helps avoiding and solving of problem in the actual production.
Use " pin-plate " discharging model to simulate to the study general of point discharge in insulating gas and the insulating oil at present, the Electric Power Equipment Insulation medium in the electric system is divided into solid insulation, gas-insulated and the fluid insulation.Gas and fluid insulation, particularly gas isolated pressure has different designing requirements according to practical operation situation.Be vacuum such as vacuum switch, gas-insulated switch GIS(Gas Insulated Switch) pressure of the SF6 in the cavity is between 0.4 MPa to 0.6 MPa.For the simulation test of shelf depreciation, can simulate the shelf depreciation in the various situations, particularly needle point discharge, to shelf depreciation, particularly partial discharge test research has positive effect.
But, mostly adopt the method and apparatus of testing respectively in the different situations for the point discharge analogue means at present.How in same device, both can realize the simulation of the point discharge in the insulating gas, can realize again the simulation of the point discharge in the iknsulating liquid, also not report.
Summary of the invention
Based on this, the utility model is to overcome the defective of prior art, a kind of test model of simulating point discharge is provided, this test model is detachable connection, the convenient cleaning, thereby both can realize the simulation of the point discharge in the insulating gas, can realize again the simulation of the point discharge in the iknsulating liquid.
Its technical scheme is as follows: comprise the upper cover plate, pin electrode, the lower cover that from top to bottom set gradually, and insulating cylinder; The detachable connection of described pin electrode one end or be fixedly connected with upper cover plate, the other end is relative with lower cover; Also comprise the insulation retention mechanism; Described insulating cylinder is the tubular structure of both ends open, described insulation retention mechanism is connected with lower cover with upper cover plate respectively and is connected, and make upper cover plate and lower cover clamp insulating cylinder, and forming annular seal space between upper cover plate, lower cover and the insulating cylinder, described pin electrode is arranged in described annular seal space.
When testing, by the insulation retention mechanism upper cover plate and lower cover are pressed on the insulating cylinder, make the inner airtight cavity that forms of insulating cylinder, warranty test condition stable.
And because insulating cylinder is dismountable, in carrying out insulating gas or iknsulating liquid during the conversion of point discharge test, with insulating cylinder dismounting, what just can be easy to make things convenient for each parts cleaning of test model is very clean, satisfies insulating gas and tests high request to the gas degree of purity.Realize the conversion of point discharge test in insulating gas and the iknsulating liquid.
The below describes further technical scheme:
In certain embodiments, described insulation retention mechanism comprises insulation anchorage bar and securing member; The part in the corresponding insulating cylinder of described upper cover plate and the lower cover outside is respectively equipped with corresponding through hole one and through hole two, and insert respectively in the through hole one and through hole two of upper cover plate and lower cover at described insulation anchorage bar two ends, and fixed by securing member.
In certain embodiments, described upper cover plate and lower cover are provided with the mounting groove that cooperates with the insulating cylinder two ends, are provided with O-ring seal in the described mounting groove.Guarantee the sealing of the inner airtight cavity that forms of insulating cylinder.
In certain embodiments, this test model also comprises binding post, and described binding post is two, and the one end is connected or is fixedly connected with upper cover plate or lower cover are detachable respectively, and the other end has connecting hole.Wire inserts in the connecting hole and is connected with binding post, thereby electric current is imported in this test model by a binding post, and finally by the wire ground connection of another binding post electric current is drawn.
In certain embodiments, described connecting hole perforate direction is that binding post is axial, and described binding post radially also is provided with the reinforcing threaded hole, and this is reinforced threaded hole and is communicated with connecting hole.During conducting wire, reinforce threaded hole by this and screw in bolt, be fixed wire.
In certain embodiments, also comprise sealing threaded pipe; Described lower cover is provided with the sealing thread hole, and described sealing threaded pipe one end cooperates with the sealing threaded hole, the sealed tube of other end tape splicing seal ball-valve.Charging and discharging insulating gas and iknsulating liquid when being used for test.So that easy to operate, easy.
In certain embodiments, also comprise intermediate head and receiving electrode bolt between upper cover plate and pin electrode; The first end of described indirect and upper cover plate be detachable to be connected or to be fixedly connected with, and the other end and receiving electrode bolt thread are connected and fixed, and the reach of described intermediate head is greater than the reach of receiving electrode bolt; Described pin electrode is connected the detachable connection of cooperation or be fixedly connected on the described upper cover plate by this intermediate head with the receiving electrode bolt.By the use of intermediate head and receiving electrode bolt, can adjust as required flexibly receiving electrode bolt height, and then adjust the distance between the electrode, satisfy the demand of different tests condition.
In certain embodiments, also comprise plate electrode and the support bar that is positioned on the lower cover; The detachable connection of described support bar one end or be fixedly connected on lower cover, the detachable connection of the other end or be fixedly connected with plate electrode.Described plate electrode is disc electrode.By the utilization of plate electrode and support bar, electric current there is certain guide effect, can carry out more accurately test simulation.
In certain embodiments, described insulating cylinder is made by organic glass.Make things convenient for the experimenter to carry out real-time observation.
In certain embodiments, described insulation anchorage bar is bolt or screw rod, and described securing member is nut.Simple in structure, reliable, and have advantages of be easy to get, cost is low.
The below describes the advantage of aforementioned techniques scheme:
The test model of simulation point discharge provided by the utility model, because insulating cylinder is dismountable, in carrying out insulating gas or iknsulating liquid during the conversion of point discharge test, insulating cylinder is dismantled, what just can be easy to make things convenient for the cleaning of each parts of test model is very clean, satisfies the insulating gas test to the high request of gas degree of purity.Realize the conversion of point discharge test in insulating gas and the iknsulating liquid.And the design by the sealing thread hole, so that easy to operate, easy to charging and discharging of insulating gas and iknsulating liquid during test.Can also adjust flexibly receiving electrode bolt height according to the demand of different tests condition, and then adjust the distance between the electrode.And each parts of this test model all can adopt the detachable assembled mode, by different component combinations and adjusting, and the point discharge in the various situations in energy analog gas and the oil.Also owing to dismounting, the installation of this test model are very convenient, especially easily realize the cleaning to each parts.
Description of drawings
Fig. 1 is the utility model embodiment 2 described test model assembling schematic diagram;
Fig. 2 is the binding post structure schematic diagram;
Fig. 3 is the upper cover plate structural representation;
Fig. 4 is the lower cover structural representation;
Fig. 5 is the intermediate head structural representation;
Fig. 6 is receiving electrode bolt arrangement schematic diagram;
Fig. 7 is the disc electrode structural representation;
Fig. 8 is the supporting bar structure schematic diagram.
Description of reference numerals: 1. upper cover plate; 2. pin electrode; 4. lower cover; 5. insulating cylinder; 6. insulated bolt; 7. nut; 8. through hole one; 9. through hole two; 10. mounting groove; 11. binding post; 12. connecting hole; 13. reinforcing threaded hole; 14. sealing thread hole; 15. intermediate head; 16. receiving electrode bolt; 17. disc electrode; 18. support bar.
Embodiment
The below is elaborated to 7 embodiment of the present utility model:
A kind of test model of simulating point discharge comprises the upper cover plate, pin electrode, the lower cover that from top to bottom set gradually, and insulating cylinder; The detachable connection of described pin electrode one end or be fixedly connected with upper cover plate, the other end is relative with lower cover; Also comprise the insulation retention mechanism; Described insulating cylinder is the tubular structure of both ends open, described insulation retention mechanism is connected with lower cover with upper cover plate respectively and is connected, and make upper cover plate and lower cover clamp insulating cylinder, and forming annular seal space between upper cover plate, lower cover and the insulating cylinder, described pin electrode is arranged in described annular seal space.
Described insulation retention mechanism comprises insulation anchorage bar and securing member; The part in the corresponding insulating cylinder of described upper cover plate and the lower cover outside is respectively equipped with corresponding through hole one and through hole two, and insert respectively in the through hole one and through hole two of upper cover plate and lower cover at described insulation anchorage bar two ends, and fixed by securing member.
Described insulation anchorage bar is bolt or screw rod, and described securing member is nut.
The test model mode of operation of the present embodiment is as follows:
1) in air, simulates point discharge.
Insulating cylinder is placed between upper cover plate and the lower cover, and the through hole one of upper cover plate and lower cover periphery and through hole two are aligned; The anchorage bar that will insulate at last inserts the through hole of upper and lower cover plates, and is fixed by securing member in the outside of upper and lower cover plates, until fully sealing; Namely finish the installation of model.After installing according to the step of above-mentioned assembling mode, upper cover plate is connected high-voltage conducting wires, lower cover connects ground wire and is the model that can simulate point discharge in air.Also can upper cover plate be connected ground wire according to the test needs, lower cover connects high-voltage conducting wires, simulates different discharge scenario.
2) be filled with iknsulating liquid simulation point discharge.
When oil-filled, then put first insulating cylinder, then iknsulating liquid is filled with in the cavity between lower cover and the insulating cylinder, cover again upper cover plate, use insulation anchorage bar fixing seal, finish the installation of model.And upper cover plate connected high-voltage conducting wires, lower cover connects ground wire.Also can upper cover plate be connected ground wire according to the test needs, lower cover connects high-voltage conducting wires, simulates different discharge scenario.
When upper cover plate connected high-voltage conducting wires and tests, electric current was introduced by high-voltage conducting wires, and the upper cover plate of flowing through, pin electrode, and then pin electrode tip portion discharge imports the earth by lower cover, ground wire at last.
As shown in Figure 1, a kind of test model of simulating point discharge comprises the upper cover plate 1, pin electrode 2, the lower cover 4 that from top to bottom set gradually, and insulating cylinder 5; Described pin electrode 2 threaded one ends connect upper cover plate 1, and the other end is relative with lower cover 4; Described insulating cylinder 5 is the tubular structure of both ends open, and its upper end contacts with upper cover plate 1 lower surface, and the lower end contacts with lower cover 4 upper surfaces; Also comprise the insulation retention mechanism, described insulation retention mechanism is connected detachable the connection with lower cover with upper cover plate 1 respectively, and make upper cover plate 1 and lower cover 4 clamp insulating cylinder 5, and forming annular seal space between upper cover plate 1, lower cover 4 and the insulating cylinder 5, described pin electrode is arranged in described annular seal space.
2 one of described pin electrodes are the right cylinder of φ 1, make as requested a needle point for other one, and round and smooth processing is done at the needle point tip, and diameter is being adjusted between 0.05mm to 1mm according to testing requirements and processing technology level.
Described insulation retention mechanism comprises insulation anchorage bar and securing member; Described insulation anchorage bar is the insulated bolt 6 that six nylon are made, and described securing member is nut 7.Simple in structure, reliable, and have advantages of be easy to get, cost is low.The part in described upper cover plate 1 and lower cover 4 corresponding insulating cylinders 5 outsides is respectively equipped with corresponding through hole 1 and through hole 29, such as Fig. 3, shown in Figure 4, insert respectively in the through hole 1 and through hole 29 of upper cover plate 1 and lower cover 4 at described six insulated bolt 6 two ends, and fixing by nut 7.Described six insulated bolts 6 are distributed in around the insulating cylinder, ensure the impermeability of annular seal space.
Such as Fig. 3, shown in Figure 4, described upper cover plate 1 and lower cover 4 are provided with the mounting groove 10 that cooperates with insulating cylinder 5 two ends, are provided with O-ring seal in the described mounting groove 10.Guarantee the sealing of the insulating cylinder 5 inner airtight cavities that form.
This test model also comprises binding post 11, and described binding post 11 is two, and the one end is threaded with upper cover plate 1 or lower cover 4 respectively, and the other end has connecting hole 12.Wire inserts in the connecting hole 12 and is connected with binding post 11, thereby electric current is imported in this test model by a binding post 11, and finally by the wire ground connection of another binding post 11 electric current is drawn.
As shown in Figure 2, described connecting hole 12 perforate directions are that binding post 11 is axial, and described binding post 11 radially also is provided with reinforces threaded hole 13, and this is reinforced threaded hole 13 and is communicated with connecting hole 12.During conducting wire, reinforce threaded hole 13 by this and screw in bolt, be fixed wire.
This test model also comprises two sealing threaded pipes; Described lower cover 4 is provided with two sealing thread holes 14, and described sealing threaded pipe one end cooperates with sealing threaded hole 14, and the other end is the sealed tube of tape splicing seal ball-valve respectively.The sealing threaded line pipe is the connecting pipe with sealing thread, is used for connecting lower cover and outside appurtenances, has both guaranteed the impermeability of this test model annular seal space, the sealing chamber can be communicated with charging and discharging insulating gas and iknsulating liquid when being used for test with outside again.So that easy to operate, easy.During inflation, by a sealed tube inflation, and bleed by another sealed tube simultaneously, reaching the gas displacement in the annular seal space is the purpose of required insulating gas.When oil-filled, a sealed tube is inserted in the oil, and bleed by another sealed tube, making in the annular seal space is negative pressure, can make in the oily suction seal chamber.
Also comprise intermediate head 15 and receiving electrode bolt 16 between upper cover plate 1 and pin electrode 2; Such as Fig. 5, shown in Figure 6, described intermediate head 15 1 ends are threaded with upper cover plate 1, and the other end is threaded fixing with receiving electrode bolt 16, and the reach of described intermediate head 15 is greater than the reach of receiving electrode bolt 16; In the deep hole on the detachable insertion receiving electrode bolt 16 of described pin electrode 2.By the use of intermediate head 15 and receiving electrode bolt 16, can adjust as required flexibly receiving electrode bolt 16 height, and then adjust the distance between the electrode, satisfy the demand of different tests condition.
Also comprise the plate electrode and the support bar 18 that are positioned on the lower cover 4; Such as Fig. 7, shown in Figure 8, described support bar 18 threaded one ends are connected on lower cover 4, the other end plate electrode that is threaded.Described plate electrode is disc electrode 17.Utilization by plate electrode and support bar 18 has certain guide effect to electric current, can carry out more accurately test simulation.
Described insulating cylinder 5 is made by organic glass.Transparent material makes things convenient for testing crew to monitoring, the observation of whole process of the test.
The assembling mode of the test model of the present embodiment is:
1) two binding posts 11 is passed through respectively screw thread precession upper cover plate 1 and lower cover 4;
2) screw thread precession upper cover plate 1 is passed through in intermediate head 15;
3) pin electrode 2 barrel portions are inserted in receiving electrode bolt 16 deep holes;
4) receiving electrode bolt 16 is by screw thread precession intermediate head 15 and adjust the position;
5) support bar 18 is passed through screw thread precession disc electrode 17;
6) the support bar 18 precession lower covers 4 of disc electrode 17 will be installed;
7) adjust pin electrode 2 height;
8) gasket seal is encased inside upper cover plate 1 and lower cover 4 in the mounting groove of opening 10;
9) insulating cylinder 5 of organic glass being made snap in upper cover plate 1 and lower cover 4 in the mounting groove of opening 10, and through hole 1 and the through hole 29 of upper cover plate 1 and lower cover 4 peripheries are aligned;
10) insulated bolt 6 is inserted the through hole of upper and lower cover platess, and screw on nut 7 in the outside of upper and lower cover plates.Screw respectively each nut 7 according to the diagonal angle order, until fully sealing; Namely finish the installation of model.
The test model mode of operation of the present embodiment is as follows:
1) in air, simulates point discharge.
After installing according to the step of above-mentioned assembling mode, will connect high-voltage conducting wires on upper cover plate 1 binding post 11, connect ground wire on lower cover 4 binding posts 11 and be the model that in air, to simulate point discharge.Also can upper cover plate 1 binding post 11 be connected ground wire according to the test needs, lower cover 4 binding posts 11 connect high-voltage conducting wires, simulate different discharge scenario.
2) be filled with insulating gas simulation point discharge.
After installing according to the step of above-mentioned assembling mode, in model, be filled with SF by sealed tube
6Etc. insulating gas of different nature, and vacuumize and compressor adjustments of gas pressure by another sealed tube, can simulate the point discharge in the different pressures situation in the gas with various insulating medium.After gaseous tension set, the ball valve by sealed tube sealed pressurize.And will connect high-voltage conducting wires on upper cover plate 1 binding post 11, connect ground wire on lower cover 4 binding posts 11.Also can upper cover plate 1 binding post 11 be connected ground wire according to the test needs, lower cover 4 binding posts 11 connect high-voltage conducting wires, simulate different discharge scenario.
3) be filled with iknsulating liquid simulation point discharge.
After installing according to the step of above-mentioned assembling mode, when oil-filled, a sealed tube is inserted in the iknsulating liquid, and bleed by another sealed tube, make to be negative pressure in the annular seal space, can make in the iknsulating liquid suction seal chamber.And will connect high-voltage conducting wires on upper cover plate 1 binding post 11, connect ground wire on lower cover 4 binding posts 11.Also can upper cover plate 1 binding post 11 be connected ground wire according to the test needs, lower cover 4 binding posts 11 connect high-voltage conducting wires, simulate different discharge scenario.
When upper cover plate 1 binding post 11 connection high-voltage conducting wires are tested, electric current is introduced by high-voltage conducting wires, and upper cover plate 1 binding post 11 of flowing through, upper cover plate 1, intermediate head 15, receiving electrode bolt 16, then along pin electrode 2 point discharges, import the earth by disc electrode 17, support bar 18, lower cover 4, lower cover 4 binding posts 11, ground wire at last.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (2)
1. a test model of simulating point discharge comprises the upper cover plate, pin electrode, the lower cover that from top to bottom set gradually, and insulating cylinder; The detachable connection of described pin electrode one end or be fixedly connected with upper cover plate, the other end is relative with lower cover; It is characterized in that, also comprise the insulation retention mechanism; Described insulating cylinder is the tubular structure of both ends open, described insulation retention mechanism is connected with lower cover with upper cover plate respectively and is connected, and make upper cover plate and lower cover clamp insulating cylinder, and forming annular seal space between upper cover plate, lower cover and the insulating cylinder, described pin electrode is arranged in described annular seal space.
2. the test model of simulation point discharge according to claim 1 is characterized in that, described insulation retention mechanism comprises insulation anchorage bar and securing member; The part in the corresponding insulating cylinder of described upper cover plate and the lower cover outside is respectively equipped with corresponding through hole one and through hole two, and insert respectively in the through hole one and through hole two of upper cover plate and lower cover at described insulation anchorage bar two ends, and fixed by securing member.
3. the test model of simulation point discharge according to claim 2 is characterized in that, described insulation anchorage bar is bolt or screw rod, and described securing member is nut.
4. the test model of simulation point discharge according to claim 1 is characterized in that, described upper cover plate and lower cover are provided with the mounting groove that cooperates with the insulating cylinder two ends, is provided with O-ring seal in the described mounting groove.
5. the test model of simulation point discharge according to claim 1 is characterized in that, also comprises binding post, and described binding post is two, and the one end is connected or is fixedly connected with upper cover plate or lower cover are detachable respectively, and the other end has connecting hole.
6. the test model of simulation point discharge according to claim 5 is characterized in that, described connecting hole perforate direction is that binding post is axial, and described binding post radially also is provided with the reinforcing threaded hole, and this is reinforced threaded hole and is communicated with connecting hole.
7. the test model of simulation point discharge according to claim 1 is characterized in that, also comprises sealing threaded pipe; Described lower cover is provided with the sealing thread hole, and described sealing threaded pipe one end cooperates with the sealing threaded hole, the sealed tube of other end tape splicing seal ball-valve.
8. the test model of simulation point discharge according to claim 1 is characterized in that, also comprises intermediate head and receiving electrode bolt between upper cover plate and pin electrode; The first end of described indirect and upper cover plate be detachable to be connected or to be fixedly connected with, and the other end and receiving electrode bolt thread are connected and fixed, and the reach of described intermediate head is greater than the reach of receiving electrode bolt; Described pin electrode is connected the detachable connection of cooperation or be fixedly connected on the described upper cover plate by this intermediate head with the receiving electrode bolt.
9. the test model of simulation point discharge according to claim 1 is characterized in that, also comprises the plate electrode and the support bar that are positioned on the lower cover; The detachable connection of described support bar one end or be fixedly connected on lower cover, the detachable connection of the other end or be fixedly connected with plate electrode.
10. the test model of simulation point discharge according to claim 1 is characterized in that, described insulating cylinder is made by organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201220412584.XU CN202770954U (en) | 2012-08-20 | 2012-08-20 | Test model for simulating point discharge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220412584.XU CN202770954U (en) | 2012-08-20 | 2012-08-20 | Test model for simulating point discharge |
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| CN103760478A (en) * | 2014-01-07 | 2014-04-30 | 广东电网公司电力科学研究院 | High-repeatability standard creeping discharge model device |
| CN104346981A (en) * | 2013-07-24 | 2015-02-11 | 国家电网公司 | Tip discharge showcase |
| CN106918766A (en) * | 2017-04-06 | 2017-07-04 | 中国南方电网有限责任公司电网技术研究中心 | A kind of device of Simulated GlS inner housing spine |
| CN106990335A (en) * | 2017-03-23 | 2017-07-28 | 国家电网公司 | The test model of the sophisticated shelf depreciations of GIS under simulation slightly non-uniform field background |
| CN107132461A (en) * | 2017-05-12 | 2017-09-05 | 合肥工业大学 | Multiple gases monitor discharge test device in real time |
| CN107390103A (en) * | 2017-09-04 | 2017-11-24 | 南方电网科学研究院有限责任公司 | Measure the experimental provision of iknsulating liquid dc breakdown voltage and pre-breakdown current |
| CN107576898A (en) * | 2017-09-04 | 2018-01-12 | 南方电网科学研究院有限责任公司 | Measure the experimental provision of iknsulating liquid lightning impulse voltage endurance |
| CN109669107A (en) * | 2018-11-23 | 2019-04-23 | 内蒙古电力（集团）有限责任公司内蒙古超高压供电局 | Simulate the device and its analogy method of shelf depreciation |
| CN110013915A (en) * | 2019-03-29 | 2019-07-16 | 华中科技大学 | A kind of replaceable discharge electrode |
| CN113092953A (en) * | 2021-03-09 | 2021-07-09 | 广东电网有限责任公司电力科学研究院 | GIS inner shell spike simulation device and method |
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- 2012-08-20 CN CN201220412584.XU patent/CN202770954U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104346981A (en) * | 2013-07-24 | 2015-02-11 | 国家电网公司 | Tip discharge showcase |
| CN103760478A (en) * | 2014-01-07 | 2014-04-30 | 广东电网公司电力科学研究院 | High-repeatability standard creeping discharge model device |
| CN106990335A (en) * | 2017-03-23 | 2017-07-28 | 国家电网公司 | The test model of the sophisticated shelf depreciations of GIS under simulation slightly non-uniform field background |
| CN106918766A (en) * | 2017-04-06 | 2017-07-04 | 中国南方电网有限责任公司电网技术研究中心 | A kind of device of Simulated GlS inner housing spine |
| CN106918766B (en) * | 2017-04-06 | 2023-09-15 | 南方电网科学研究院有限责任公司 | Device for simulating spines of GIS inner shell |
| CN107132461A (en) * | 2017-05-12 | 2017-09-05 | 合肥工业大学 | Multiple gases monitor discharge test device in real time |
| CN107576898A (en) * | 2017-09-04 | 2018-01-12 | 南方电网科学研究院有限责任公司 | Measure the experimental provision of iknsulating liquid lightning impulse voltage endurance |
| CN107390103B (en) * | 2017-09-04 | 2021-07-02 | 南方电网科学研究院有限责任公司 | Experimental device for measuring direct-current breakdown voltage and current before breakdown of insulating liquid |
| CN107390103A (en) * | 2017-09-04 | 2017-11-24 | 南方电网科学研究院有限责任公司 | Measure the experimental provision of iknsulating liquid dc breakdown voltage and pre-breakdown current |
| CN109669107A (en) * | 2018-11-23 | 2019-04-23 | 内蒙古电力（集团）有限责任公司内蒙古超高压供电局 | Simulate the device and its analogy method of shelf depreciation |
| CN110013915A (en) * | 2019-03-29 | 2019-07-16 | 华中科技大学 | A kind of replaceable discharge electrode |
| CN113092953A (en) * | 2021-03-09 | 2021-07-09 | 广东电网有限责任公司电力科学研究院 | GIS inner shell spike simulation device and method |
| CN116223567A (en) * | 2023-01-17 | 2023-06-06 | 国网江苏省电力有限公司苏州供电分公司 | Multi-tip electrode discharge SF 6 Gas detection device and method |
| CN116223567B (en) * | 2023-01-17 | 2024-01-30 | 国网江苏省电力有限公司苏州供电分公司 | Multi-tip electrode discharge SF 6 Gas detection device and method |
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Granted publication date: 20130306 |