CN203491637U - Resin impregnated paper capacitive extra-high voltage AC-DC wall bushing - Google Patents
Resin impregnated paper capacitive extra-high voltage AC-DC wall bushing Download PDFInfo
- Publication number
- CN203491637U CN203491637U CN201320651540.7U CN201320651540U CN203491637U CN 203491637 U CN203491637 U CN 203491637U CN 201320651540 U CN201320651540 U CN 201320651540U CN 203491637 U CN203491637 U CN 203491637U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- conducting rod
- bushing
- electric capacity
- core body
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a resin impregnated paper capacitive extra-high voltage AC-DC wall bushing. The bushing is provided with a conducting rod (7) with a binding post plate (2). A capacitor core (6) having a resin impregnated paper structure is sleeved on the middle part of the conducting rod (7). A sleeve (11) is sleeved on the capacitor core (6). Insulation jackets (5) having a cross section in the shape of a multi-layer umbrella skirt are sleeved at two sides of the sleeve (11). The capacitor core (6) is connected with a test tap (9) and an SF6 gas pressure gauge (10) at the radial direction. The bushing is characterized by (1) being high in pollution flashover resistance capability, (2) reducing cost of civil engineering and reducing cold leakage in a phytotron, (3) helping to reduce heat influence of a contact tube of the bushing, (4) being convenient in assembly and maintenance, (5) enabling real-time monitoring of a bushing operation state, (6) being not easy in gas leakage, and (7) being high in design voltage class and having broad application prospects.
Description
Technical field
The utility model belongs to electrical engineering technical field, relates to a kind of glue and soaks paper capacitor formula extra-high voltage alternating current-direct current wall bushing, and this sleeve pipe is suitable to be arranged in ultra high voltage climate cell, for test specimen is carried out to applied voltage test.
Background technology
For the icing problem of research extra-high voltage electric transmission and transformation equipment, built in recent years ultra high voltage climate cell.And that its power-supply device is arranged on is conventionally outdoor, when laboratory test product are accepted pressurization, need an extra-high voltage alternating current-direct current wall bushing come joint test power supply and test specimen.But known wall bushing, the oil immersed type extra-high voltage wall feed-through sleeve that the patent documentation that for example application number is 201020684972.4 is introduced, exists following defect: 1) manufacture difficulty is very large, is unfavorable for large-scale production, is unfavorable for that spread is used; 2) in climatic chamber, design condition can not meet the tests such as ice-coating test and dirt, especially during ice-coating test, indoor/outdoor temperature-difference is excessive, usually over 30 degrees Celsius, if adopt oil immersed type wall bushing, the flow velocity of oil is fast, and heat conduction is violent, tend to cause indoor cooling gas leakage bigger than normal, affect heat-insulating property.In addition, wall bushing operates in the environment of temperature low temperature fluctuated, and its sealing ring aging speed is fast, also often causes the generation of oil seepage phenomena.
Utility model content
The technical problems to be solved in the utility model is, defect for prior art, provide a kind of glue to soak paper capacitor formula extra-high voltage alternating current-direct current wall bushing, this sleeve pipe should be that a kind of electric pressure is high, good airproof performance, can realize AC/DC, contribute to improve laboratory's heat insulating ability and wall bushing that ne-leakage phenomenon occurs.
The technical solution of the utility model is, referring to accompanying drawing 1, the glue providing soaks paper capacitor formula extra-high voltage alternating current-direct current wall bushing, has its axial two ends respectively with the conducting rod 7 of terminal board 2.The terminal board 2 of described conducting rod 7 is fixedly mounted on this conducting rod 7.These conducting rod 7 stage casing coaxial lines are set with the electric capacity core body 6 that a tubular epoxide-resin glue soaks paper structure.On this tubular electric capacity core body 6, be set with the sleeve 11 that its barrel dliameter size is mated with the diameter of section size of this electric capacity core body 6.These axial both sides of sleeve 11 are respectively installed with the insulating coating 5 that its cross section is multilayer full skirt shape.These two insulating coatings 5 are axially respectively installed with a flange 8 and by this flange 8, described insulating coating 5, sleeve 11, electric capacity core body 6 are fixed on described conducting rod 7 in inner side.
On described electric capacity core body 6, be radially connected with a test tap 9 and a SF6(sulphur hexafluoride) gas gauge 10, this test tap 9 and SF6 gas gauge 10 extend radially out respectively sleeve 11 and are fixedly mounted on the outer wall of this sleeve 11, and the conduit of wherein said SF6 gas gauge 10 connects and is connected with the inner chamber of described sleeve 11.The insulating coating 5 at described sleeve 11 two ends is respectively installed with cover plate 4 and gland 3, makes the termination, two ends of the conducting rod 7 in sleeve 11 and terminal board 2 pass successively respectively cover plate 4 and gland 3.This gland 3 and cover plate 4 are fixedly mounted on described insulating coating 5.In addition, be sleeved on and on the cover plate 4 at conducting rod 7 two ends, be also separately installed with for even terminal board 2 Analysis of End Electric Fields, prevent the grading ring 1 of corona discharge.
Operation principle of the present utility model is: referring to Fig. 1, be arranged on respectively grading ring 1 on conducting rod 7 two end cover plates 4 for even terminal board 2 Analysis of End Electric Fields, prevent corona discharge; Be located at respectively the terminal board 2 at sleeve pipe two ends for connecting test specimen and pressurized equipment; Cover plate 4 is separately fixed at indoor section of end and the outdoor section end of insulating coating 5, and its effect is sealed insulation overcoat 5 ends, prevents SF6 Leakage Gas; Gland 3 is fixed on the outside of cover plate 4, for strengthening the sealing property of cover plate 4; Conducting rod 7 generally has inside and outside two conduits, and electric capacity core body 6 is generally solidificated on the outer wall of outer catheter.Inner catheter is connected with the terminal board 2 at axial two ends, so that form electrical connection between test specimen and pressurized equipment; The main insulation body that electric capacity core body 6 is sleeve pipe, generally adopts epoxide-resin glue to soak paper structure, lightweight, and good insulation preformance, can be used for the electric field between homogeneous conductive bar 7 and the external world, and bears the most of voltage applying on conducting rod; SF6 gas is full of whole inside pipe casing, for the insulation between electric capacity core body 6 and conducting rod 7 and insulating coating 5; Insulating coating 5 by indoor and outdoor two sections form, be arranged on jacket exterior, be the external insulation of sleeve pipe, generally adopt organic composite silicon hollow rubber insulator, there is good anti-fouling flashover performance, prevent from occurring when sleeve pipe is charged external flashover; Flange 8 connects insulating coating 5 and sleeve 11 for transition, at sleeve 11 and flange 8 endoporus places, is generally processed with a plurality of apertures, can make SF6 gas uniform be full of whole cannula cavity; Test tap 9 is as dielectric loss, partial discharge quantity and the capacitance of measuring sleeve pipe; Real-Time Monitoring SF6 gas pressure when SF6 gas gauge 10 moves for this sleeve pipe, guarantees that electric property is reliable; Sleeve 11 is for linking together easily with open air indoor section of insulating coating 5.
The beneficial effects of the utility model are:
1), its external insulation adopts organic composite silicon hollow rubber insulator, its anti-pollution flashover ability is strong;
2), its internal capacitance fuse adopts epoxide-resin glue to soak paper insulation structure, between hollow combined insulator and capacitor core, fill SF6 gas, the weight of whole sleeve pipe is reduced greatly, requirement to ultra high voltage climate cell sleeve pipe load-carrying members reduces greatly, reduced civil engineering cost, in sleeve pipe, the heat conductivility of various materials is poor simultaneously, has greatly reduced thus the sealing cold draining of phjytotron;
3), adopt DLC structure, be conducive to reduce the impact of sleeve pipe contact tube heating on insulation core body performance;
4), between sleeve and electric capacity core body, adopt clamping structure, installation and repairing convenience;
5), SF6 gas gauge is housed, running status that can Real-Time Monitoring sleeve pipe;
6), be provided with twice axial seal between inner catheter and cover plate and gland, therefore good seal performance is not prone to Leakage Gas;
7), the integral insulation structural design electric pressure of this sleeve pipe is high, various performance parameters can meet the operation of extra-high-voltage alternating current 1100kV and direct current ± 800kV simultaneously and carry out the needs of necessary scientific research and testing, has a extensive future.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model glue soaks a specific embodiment of paper capacitor formula extra-high voltage alternating current-direct current wall bushing, in figure, is denoted as:
1-grading ring,
2-terminal board,
3-gland,
4-cover plate,
5-insulating coating,
6-electric capacity core body,
7-conducting rod,
8-flange,
9-test tap,
10-SF6 gas gauge,
11-sleeve.
Embodiment
Referring to accompanying drawing 1, the glue of this embodiment of the utility model shown in Fig. 1 soaks paper capacitor formula extra-high voltage alternating current-direct current wall bushing, has its axial two ends respectively with the conducting rod 7 of terminal board 2.It is that the copper pipe profile of common interlayer of Ф 50mm is tailored and formed that conducting rod 7 adopts commercially available caliber, long 28000mm, outer wall thickness 5mm, interior wall thickness 10mm.Terminal board 2 adopts the thick ordinary copper scutum of commercially available 20mm section bar to tailor, long 120mm, and wide 80mm, is bolted and is arranged on conducting rod 7.Conducting rod 7 stage casing coaxial line suit electric capacity core bodys 6, electric capacity core body 6 is tubular epoxide-resin glue and soaks paper structure, the DXT-1000 type epoxide-resin glue that system adopts commercially available Chinese Xi'an high voltage bushing Co., Ltd to produce soaks paper bushing electric capacity core body, long 10700mm, 115 grades of capacitance plates of tool.
On electric capacity core body 6, be set with a sleeve 11, sleeve 11 adopts the thick common stainless steel pipe profile of commercially available 80mm to tailor and forms, long 2000mm, and barrel dliameter Ф 880mm, barrel dliameter size is mated with the diameter of section size of electric capacity core body 6.The axial both sides of sleeve 11 are set with the insulating coating 5 that a cross section is multilayer full skirt shape.The XTW-1000 type high-tension insulating bushing overcoat that the insulating coating 5 Chinese Xi'an of employing high voltage bushing Co., Ltds produce, external diameter Ф 880 ㎜, the long 7545mm of indoor end, creepage distance is greater than 20000mm, the long 8680mm of outdoor end, creepage distance is greater than 28000mm.The axial inner side of two insulating coatings 5 is set with a flange 8.Flange 8 adopts commercially available common stainless steel section bar to make, external diameter Ф 1300mm, internal diameter Ф 880mm.Flange 8 is bolted to insulating coating 5, sleeve 11, electric capacity core body 6 on conducting rod 7.
On electric capacity core body 6, radially connect a test tap 9 and a SF6 gas gauge 10.The electric capacity core body tap that the model that test tap 9 adopts commercially available Chinese Xi'an high voltage bushing Co., Ltd to produce is CT-1000, its ac voltage withstanding is 3kV; The YX-100 type SF6 gas gauge that SF6 gas gauge 10 adopts instrument and meter for automation one factory in commercially available Chinese Xi'an to produce, its pressure measurement range is-0.1～0.9MPa, certainty of measurement is 2.5 grades.Test tap 9 and SF6 gas gauge 10 extend radially out respectively sleeve 11 and are fixedly mounted on the outer wall of sleeve 11, and wherein the conduit of SF6 gas gauge 10 connects and is connected with the inner chamber of sleeve 11.
The insulating coating 5 at sleeve 11 two ends is respectively installed with cover plate 4 and gland 3, makes the termination, two ends of the conducting rod 7 in sleeve 11 and terminal board 2 pass successively respectively cover plate 4 and gland 3.Gland 3 and cover plate 4 all adopt the thick ordinary epoxy resin profile material of commercially available 20mm to tailor and form, and wherein the external diameter of gland 3 is Ф 140mm, and internal diameter is Ф 50mm, and the external diameter of cover plate 4 is Ф 880mm, and internal diameter is Ф 120mm.Gland 3 and cover plate 4 are fixedly mounted on insulating coating 5 by screw.Be sleeved on the cover plate 4 at conducting rod 7 two ends aluminum alloy material grading ring 1 is housed respectively, ring footpath Ф 1.4m, grading ring 1 is also fixed on cover plate 4 by screw.
Claims (1)
1. a glue soaks paper capacitor formula extra-high voltage alternating current-direct current wall bushing, it is characterized in that, it has its axial two ends respectively with the conducting rod (7) of terminal board (2), the terminal board (2) of described conducting rod (7) is fixedly mounted on this conducting rod (7), this conducting rod (7) stage casing coaxial line is set with the electric capacity core body (6) that a tubular epoxide-resin glue soaks paper structure, on this tubular electric capacity core body (6), be set with the sleeve (11) that its barrel dliameter size is mated with the diameter of section size of this electric capacity core body (6), this sleeve (11) is axially respectively installed with the insulating coating (5) that its cross section is multilayer full skirt shape in both sides, these two insulating coatings (5) axially inner side are respectively installed with a flange (8) and pass through this flange (8) by described insulating coating (5), sleeve (11), electric capacity core body (6) is fixed on described conducting rod (7), on described electric capacity core body (6), be radially connected with a test tap (9) and a SF6 gas gauge (10), this test tap (9) and SF6 gas gauge (10) extend radially out respectively sleeve (11) and are fixedly mounted on the outer wall of this sleeve (11), the conduit of wherein said SF6 gas gauge (10) connects and is connected with the inner chamber of described sleeve (11), the insulating coating (5) at described sleeve (11) two ends is respectively installed with cover plate (4) and gland (3), make termination, two ends and the terminal board (2) of the conducting rod (7) in sleeve (11) pass successively respectively cover plate (4) and gland (3), this gland (3) and cover plate (4) are fixedly mounted on described insulating coating (5), in addition, be sleeved on and on the cover plate (4) at conducting rod (7) two ends, be also separately installed with for even terminal board (2) Analysis of End Electric Field, prevent the grading ring (1) of corona discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651540.7U CN203491637U (en) | 2013-10-22 | 2013-10-22 | Resin impregnated paper capacitive extra-high voltage AC-DC wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651540.7U CN203491637U (en) | 2013-10-22 | 2013-10-22 | Resin impregnated paper capacitive extra-high voltage AC-DC wall bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491637U true CN203491637U (en) | 2014-03-19 |
Family
ID=50262439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320651540.7U Expired - Fee Related CN203491637U (en) | 2013-10-22 | 2013-10-22 | Resin impregnated paper capacitive extra-high voltage AC-DC wall bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491637U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500967A (en) * | 2013-10-22 | 2014-01-08 | 国家电网公司 | Resin impregnated paper capacitance type extra-high-voltage alternating current-direct current wall bushing |
| CN105070428A (en) * | 2015-07-24 | 2015-11-18 | 南京电气高压套管有限公司 | AC/DC interchangeable type wall bushing made of glass fiber reinforced plastics and method for manufacturing wall bushing |
| CN105356392A (en) * | 2015-11-17 | 2016-02-24 | 国家电网公司 | Ultrahigh voltage DC through-wall bushing component |
| CN107039935A (en) * | 2017-04-19 | 2017-08-11 | 天津沃尔法电力设备有限公司 | A kind of super-pressure and extra-high voltage resistance-type direct-current wall bushing |
-
2013
- 2013-10-22 CN CN201320651540.7U patent/CN203491637U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500967A (en) * | 2013-10-22 | 2014-01-08 | 国家电网公司 | Resin impregnated paper capacitance type extra-high-voltage alternating current-direct current wall bushing |
| CN105070428A (en) * | 2015-07-24 | 2015-11-18 | 南京电气高压套管有限公司 | AC/DC interchangeable type wall bushing made of glass fiber reinforced plastics and method for manufacturing wall bushing |
| CN105356392A (en) * | 2015-11-17 | 2016-02-24 | 国家电网公司 | Ultrahigh voltage DC through-wall bushing component |
| CN107039935A (en) * | 2017-04-19 | 2017-08-11 | 天津沃尔法电力设备有限公司 | A kind of super-pressure and extra-high voltage resistance-type direct-current wall bushing |
| CN107039935B (en) * | 2017-04-19 | 2018-11-13 | 天津沃尔法电力设备有限公司 | A kind of super-pressure and extra-high voltage resistance-type direct-current wall bushing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103500967A (en) | Resin impregnated paper capacitance type extra-high-voltage alternating current-direct current wall bushing | |
| CN203491637U (en) | Resin impregnated paper capacitive extra-high voltage AC-DC wall bushing | |
| WO2017088307A1 (en) | High-voltage dc support insulator test apparatus, test system and test method | |
| CN108519545B (en) | High-voltage insulator surface flashover experimental device and method under extremely cold condition | |
| CN202794439U (en) | Test model simulating surface discharge | |
| CN101572141B (en) | Cascade high-voltage bushing | |
| CN204991304U (en) | Synthetic fiber reinforced resins high -tension bushing | |
| CN101183121A (en) | Extra-high voltage reference capacitor | |
| CN104698356A (en) | Test sleeve for GIS terminal test device | |
| CN207082801U (en) | A kind of high direct voltage wall bushing conducting rod attachment structure | |
| CN201260060Y (en) | Telescopic joint for gas insulation transmission line | |
| CN206610719U (en) | A kind of distribution transformer for simulating short circuit in winding state | |
| CN104134953B (en) | A kind of hyperconductive cable skeleton connection structure and method of attachment | |
| CN211528582U (en) | Device for simulating insulator surface discharge defect | |
| WO2018032716A1 (en) | Ultra-high voltage wall bushing with sf6 gas insulation | |
| CN201860065U (en) | Glue-impregnated capacitance type direct-current wall bushing | |
| CN209117796U (en) | A kind of cable intermediate joint electric performance test tooling | |
| CN201113334Y (en) | Oil-free capacitance type wall-through insulation sleeve | |
| CN106054044A (en) | Insulation test device for gas filled tank | |
| CN202042292U (en) | Composite jacket pillar insulator for 35kV and below voltage dropout fuse | |
| CN203552904U (en) | Transformer bushing with automatic guide tube temperature lowering function | |
| CN204633249U (en) | Dry-type capacitance type GIS outlet casing tube through walls | |
| CN204303479U (en) | One ± 800kV ultrahigh voltage direct current wall bushing | |
| CN202395399U (en) | Sulfur hexafluoride direct current wall feed-through casing pipe with metal sealing structure | |
| CN102237157A (en) | Dry-type all-insulating tubular bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: INSTITUTE OF ELECTRIC POWER SCIENCES OF STATE GRID Free format text: FORMER OWNER: INSTITUTE OF ELECTRIC POWER SCIENCES OF STATE GRID HUNAN ELECTRIC POWER COMPANY HU'NAN XIANGDIAN TRIAL RESEARCH TECHNOLOGY CO., LTD. Effective date: 20140623 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100033 XICHENG, BEIJING TO: 100031 XICHENG, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute Patentee after: XIANG-ELECTRIC EXPERIMENT AND RESEARCH TECHNOLOGY COMPANY OF HUNAN PROVINCE Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: SCIENCE RESEARCH INSTITUTE OF HUNAN ELECTRIC POWER Co.,Ltd. Patentee before: XIANG-ELECTRIC EXPERIMENT AND RESEARCH TECHNOLOGY COMPANY OF HUNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140623 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute Address before: 100033 West Chang'an Avenue, Beijing, No. 86, No. Patentee before: State Grid Corporation of China Patentee before: STATE GRID HUNAN ELECTRIC POWER COMPANY Research Institute Patentee before: XIANG-ELECTRIC EXPERIMENT AND RESEARCH TECHNOLOGY COMPANY OF HUNAN PROVINCE |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20181022 |