CN204789896U - GIS is uniform electric field's puncture characteristic research analogue means slightly not - Google Patents
GIS is uniform electric field's puncture characteristic research analogue means slightly not Download PDFInfo
- Publication number
- CN204789896U CN204789896U CN201520551683.XU CN201520551683U CN204789896U CN 204789896 U CN204789896 U CN 204789896U CN 201520551683 U CN201520551683 U CN 201520551683U CN 204789896 U CN204789896 U CN 204789896U
- Authority
- CN
- China
- Prior art keywords
- gis
- electric field
- electrode
- analogue means
- breakdown characteristics
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a GIS is uniform electric field's puncture characteristic research analogue means slightly not, high -pressure polar plate inserts applied voltage, adjusts the field distribution circumstances through the length of adjusting the high voltage electrode pole. Utilize the actual GIS's of high voltage electrode simulation high -pressure guide arm, utilize the face electrode to simulate actual GIS's shell, cooperate the slightly not uniform electric field distribution who forms the inside reality of simulation GIS with high voltage electrode to carry out slightly not uniform electric field's the puncture characteristic research of field distribution adjustable simulation GIS. Compare with traditional research mode, the few and convenient operation of cost has improved the research convenience.
Description
Technical field
The utility model relates to power electronic equipment research technical field of measurement and test, particularly relates to a kind of breakdown characteristics research analogue means of GIS slightly uneven electric field.
Background technology
GIS (GasInsulatedSwitchgear, gas insulated combined electrical equipment) has the advantages that floor area is little, reliable degree is high, obtains a large amount of application at present in electrical network.GIS adopts concentric cylinder structure usually, electric field structure is slightly uneven electric field, this electric field structure is carried out to the research of its breakdown characteristics, particularly at some special waveforms as non-standard High Voltage Impulse Waveform, breakdown characteristics under high-frequency alternating current corrugating is studied, to improving its insulation system, improve dielectric level, and then it is significant to carry out improvement to the structure of whole GIS.
Traditional research mode is on entity GIS, carry out this type of breakdown characteristics research, and by the research of insulation characterisitic, the actual manufacture that can be GIS provides basis insulation data, provides basic breakdown characteristics to Insulation Coordination.But traditional research mode cost is large, implements difficulty very big, there is the shortcoming of research convenience difference.
Utility model content
Based on this, be necessary for the problems referred to above, a kind of breakdown characteristics research analogue means improving the GIS slightly uneven electric field of research convenience is provided.
A kind of breakdown characteristics research analogue means of GIS slightly uneven electric field, comprise high-pressure polar plate, length-adjustable high-field electrode bar, high-field electrode, sealing bore, face electrode and ground pole plate, described high-pressure polar plate and ground pole plate are arranged at described sealing bore two ends respectively and form airtight host cavity; Described high-field electrode bar, high-field electrode and face electrode are all positioned at described host cavity, and described high-field electrode is fixedly connected with described high-pressure polar plate by described high-field electrode bar, and described electrode is arranged at described ground pole plate.
The breakdown characteristics research analogue means of above-mentioned GIS slightly uneven electric field, high-pressure polar plate access applied voltage, regulates Electric Field Distribution situation by regulating the length of high-field electrode bar.High-field electrode is utilized to simulate the high pressure guide rod of actual GIS, the face electrode of utilization simulates the shell of actual GIS, the slightly uneven electric field forming the inner reality of Simulated GlS is coordinated to distribute with high-field electrode, to carry out the breakdown characteristics research of the adjustable Simulated GlS slightly uneven electric field of Electric Field Distribution.Compared with traditional research mode, cost less and easy to operate, improves research convenience.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the breakdown characteristics research analogue means of GIS slightly uneven electric field in an embodiment.
Embodiment
A kind of breakdown characteristics research analogue means of GIS slightly uneven electric field, as shown in Figure 1, comprise high-pressure polar plate 110, length-adjustable high-field electrode bar 120, high-field electrode 130, sealing bore 140, face electrode 150 and ground pole plate 160, high-pressure polar plate 110 and ground pole plate 160 are arranged at sealing bore 140 two ends respectively and form airtight host cavity.High-field electrode bar 120, high-field electrode 130 and face electrode 150 are all positioned at host cavity, and high-field electrode 130 is connected with high-pressure polar plate 110 by high-field electrode bar 120, and face electrode 150 is arranged at ground pole plate 160.
High-pressure polar plate 110 can connect applied voltage, as power frequency high voltage or impulse high voltage.High-field electrode bar 120, high-field electrode 130 and face electrode 150 are placed in the host cavity of sealed environment, by the Electric Field Distribution situation regulating the length of high-field electrode bar 120 to regulate analogue means.Utilize high-field electrode 130 to simulate the high pressure guide rod of actual GIS, utilize face electrode 150 to simulate the shell of actual GIS, coordinate with high-field electrode 130 slightly uneven electric field forming the inner reality of Simulated GlS to distribute.Ground pole plate 160 is connected with ground lead, forms good ground connection.
Wherein in an embodiment, high-field electrode bar 120 is metal screw, and metal screw adjustable ground is bolted in high-pressure polar plate 110.Specifically can offer screw at high-pressure polar plate 110, metal screw one end is exposed to high-pressure polar plate 110 by screw, the other end arranges high-field electrode 130.Clamp metal screw by exterior insulation to rotate, to regulate the length of metal screw in host cavity, simple to operation.
Wherein in an embodiment, high-field electrode 130 is smash electrode.High-field electrode 130 is designed to spherical, make the high pressure guide rod of its shape and actual GIS closer to, improve simulation accuracy.Further, face electrode 150 is concave spherical surface electrode.Face electrode 150 is designed to concave spherical surface shape, the cylindrical outer casing of its shape and actual GIS can be made equally close, improve simulation accuracy further.
Wherein in an embodiment, in host cavity, be filled with the SF that air pressure is controlled
6gas.SF
6gas has good electrical insulation properties and the arc extinction performance of excellence, is specifically collecting interacvity air-filling by external air source and controls air pressure.Form host cavity by high-pressure polar plate 110, sealing bore 140 and ground pole plate 160, and be filled with SF in host cavity
6gas is as insulating medium, and compact conformation small in volume does not affect by atmospheric conditions, improves model accuracy and research reliability.
Wherein in an embodiment, sealing bore 140 is the organic glass infuser of sealing.Sealing bore 140 is designed to organic glass cylinder, there is the good transparency, chemical stability, mechanical property and weatherability, guarantee the stability of modeling effort, be convenient to observe experimental phenomena simultaneously.Be appreciated that in other embodiments, sealing bore 140 also can adopt other transparent materials to make.
In addition, the breakdown characteristics research analogue means of GIS slightly uneven electric field also comprises the power supply connecting high-pressure polar plate.Power supply is used for powering to carry out breakdown characteristics research to high-pressure polar plate.By controlling power supply, whether whether output voltage carrys out control simulation device work, and can improve operation ease equally.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It 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.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. the breakdown characteristics research analogue means of a GIS slightly uneven electric field, it is characterized in that, comprise high-pressure polar plate, length-adjustable high-field electrode bar, high-field electrode, sealing bore, face electrode and ground pole plate, described high-pressure polar plate and ground pole plate are arranged at described sealing bore two ends respectively and form airtight host cavity; Described high-field electrode bar, high-field electrode and face electrode are all positioned at described host cavity, and described high-field electrode is connected with described high-pressure polar plate by described high-field electrode bar, and described electrode is arranged at described ground pole plate.
2. the breakdown characteristics research analogue means of GIS slightly uneven electric field according to claim 1, it is characterized in that, described high-field electrode bar is metal screw, and described metal screw adjustable ground is bolted in described high-pressure polar plate.
3. the breakdown characteristics research analogue means of GIS slightly uneven electric field according to claim 1, it is characterized in that, described high-field electrode is smash electrode.
4. the breakdown characteristics research analogue means of GIS slightly uneven electric field according to claim 1, it is characterized in that, described electrode is concave spherical surface electrode.
5. the breakdown characteristics research analogue means of GIS slightly uneven electric field according to claim 1, is characterized in that, be filled with the SF that air pressure is controlled in described host cavity
6gas.
6. the breakdown characteristics research analogue means of GIS slightly uneven electric field according to claim 1, is characterized in that, described sealing bore is the organic glass infuser of sealing.
7. the breakdown characteristics research analogue means of GIS slightly uneven electric field according to claim 1, is characterized in that, also comprise the power supply connecting described high-pressure polar plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551683.XU CN204789896U (en) | 2015-07-27 | 2015-07-27 | GIS is uniform electric field's puncture characteristic research analogue means slightly not |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551683.XU CN204789896U (en) | 2015-07-27 | 2015-07-27 | GIS is uniform electric field's puncture characteristic research analogue means slightly not |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204789896U true CN204789896U (en) | 2015-11-18 |
Family
ID=54529913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520551683.XU Active CN204789896U (en) | 2015-07-27 | 2015-07-27 | GIS is uniform electric field's puncture characteristic research analogue means slightly not |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204789896U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696604A (en) * | 2017-10-23 | 2019-04-30 | 平高集团有限公司 | A kind of concentric cylinder SF6Breakdown voltage experimental provision |
| CN115291058A (en) * | 2022-08-04 | 2022-11-04 | 重庆大学 | Method for acquiring breakdown characteristic of short-gap air insulation under action of non-standard shock wave |
-
2015
- 2015-07-27 CN CN201520551683.XU patent/CN204789896U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696604A (en) * | 2017-10-23 | 2019-04-30 | 平高集团有限公司 | A kind of concentric cylinder SF6Breakdown voltage experimental provision |
| CN115291058A (en) * | 2022-08-04 | 2022-11-04 | 重庆大学 | Method for acquiring breakdown characteristic of short-gap air insulation under action of non-standard shock wave |
| CN115291058B (en) * | 2022-08-04 | 2024-01-23 | 重庆大学 | Method for acquiring breakdown characteristics of short-gap air insulation under action of nonstandard shock waves |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101865939B (en) | Generation device for very fast transient overvoltage | |
| CN104391233B (en) | A kind of the air gap breakdown test platform and the air gap breakdown test method | |
| CN103605051B (en) | The partial discharge test most advanced and sophisticated defect device of gas-insulated metal under surge voltage | |
| CN204789896U (en) | GIS is uniform electric field's puncture characteristic research analogue means slightly not | |
| CN204116460U (en) | A kind of measuring system being applicable to insulating material high field conduction characteristic | |
| CN101551436A (en) | Barometric pressure humidity controllable local discharge test device | |
| CN203136314U (en) | Plasma photonic crystal generator | |
| CN103176058A (en) | Device for measuring transformer oil paper insulation test piece | |
| CN109187653B (en) | The Horizontal Layer Soil dynamic electric resistor characteristic test method of meter and different temperatures | |
| CN104237758A (en) | Method for testing impulse withstand voltages of ultrahigh-voltage converter transformers on basis of scale models | |
| CN109188092B (en) | Soil dynamic resistance characteristic test method under a kind of different temperatures | |
| CN208140869U (en) | A kind of insulation defect simulation system | |
| CN203164308U (en) | Transformer oil paper insulation test sample measuring device | |
| CN204649859U (en) | A kind of transmission line of electricity over-voltage measurement analogue test platform | |
| CN201682300U (en) | Simulated cell jig | |
| CN109188088B (en) | A kind of vertical demixing electric resistance of soil nonlinear characteristic test method | |
| CN207249040U (en) | A kind of transformer adjustable clearance discharging model | |
| CN105260583A (en) | Method and system for calculating biological effect of extra-high-voltage power frequency electromagnetic field on human body | |
| CN208092135U (en) | Dielectric gas-solid interface flashover property measuring device under a kind of cryogenic conditions | |
| CN108872709B (en) | A kind of different moisture content lower leaf soil dynamic electric resistor characteristic test method | |
| CN204028282U (en) | A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge | |
| CN205176205U (en) | Polymorphic type partial discharge model device | |
| CN203405540U (en) | Short circuit discharge test device of high voltage DC support capacitor | |
| CN203858324U (en) | High-repeatability standard along surface discharge model device | |
| CN204359831U (en) | three-phase two waveform adjustable phase angle signal generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |