CN103151622B - High voltage device end portion treating method - Google Patents
High voltage device end portion treating method Download PDFInfo
- Publication number
- CN103151622B CN103151622B CN201310071205.4A CN201310071205A CN103151622B CN 103151622 B CN103151622 B CN 103151622B CN 201310071205 A CN201310071205 A CN 201310071205A CN 103151622 B CN103151622 B CN 103151622B
- Authority
- CN
- China
- Prior art keywords
- screen
- earthing
- high voltage
- voltage device
- shield
- 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
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000001939 inductive effect Effects 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 31
- 239000004020 conductor Substances 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 13
- 230000005684 electric field Effects 0.000 abstract description 13
- 238000004458 analytical method Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 239000004411 aluminium Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
- H02G15/064—Cable terminating boxes, frames or other structures with devices for relieving electrical stress
- H02G15/072—Cable terminating boxes, frames or other structures with devices for relieving electrical stress of the condenser type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
Landscapes
- Insulators (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
High voltage device end portion treating method of the present invention, the end of 6kV to 1000kV high voltage device adopts multi-screen multiple spot and earthing to respond to discharge Analysis of End Electric Field, 1 to 10000 screen is to end shield and earthing inductive grounding simultaneously, make high voltage device Analysis of End Electric Field very low, dirt is had at high voltage device end surface, after making moist, flashover does not explode, and high voltage device realizes non-maintaining operation.
Description
Technical field
High voltage device end portion treating method of the present invention is adapted at using in the high voltage device such as wall bushing, circuit breaker sleeve pipe, combined electrical apparatus sleeve pipe, bushing shell for transformer, current transformer sleeve pipe, U-shaped sleeve pipe, tag, cable mid head, bus of high pressure 6kV to 1000kV, be greater than in rating operating voltage and test voltage do not puncture, not flashover, realize non-maintaining operation.
Background technology
1, its defect of existing high-voltgae pothead: although cable end end surface is to the process having stress cone, due to cable end end and stress cone inductive grounding, that single-point local discharges Analysis of End Electric Field, but cable end end current potential is also very high, dirt is had on cable end surface, after making moist, flashover is easily caused to explode.Similar as follows: the patent No. 02289499.3 1 kinds of dry flexible cable termination ends; The patent No. 99225039.0 heat shrinking electric cable terminals; The patent No. 00255452.6 double-layer stress decentralized crosslinking cable terminal; The patent No. 01256795.7 normal temperature shrinkage type power cable terminal; The patent No. 200610124043.6 1 kinds of rigid dry high-voltage cable terminal ends; The patent No. 200910162807.4 1 kinds of dry-type cable terminals; The patent No. 03271395.9 1 kinds of rigid dry high-voltage cable terminal ends; The patent No. 200820070487.0 1 kinds of cable sockets; Patent No. 200820189411.X porcelain-sleeve-type dry medium voltage cable terminal; Patent No. 200820121622.X cable terminal.
2, existing bushing manufacturing technology is all adopt its defect of capacitor core structure: be induced to earthing inductive grounding by zero screen on conductor, 1 screen to end shield, just upper strata and lower floor's point-to-point local relief sleeve Analysis of End Electric Field, actual only have end shield and the direct inductive grounding of earthing, but cannula tip current potential is also very high, dirt is had at sleeve surface, after making moist, flashover is easily caused to explode.Similar as follows: the patent No. 93240259.3 New type through-wall sleeve; Application number 03100143.2 dry type high-voltage capacitor core and manufacture method thereof; Application number 200510035075.4 New insulated copper pipe bus.
3, its defect of manufacture method of existing another kind of cable end: 1 screen is to end shield to earthing inductive grounding, just point discharges cable end Analysis of End Electric Field with some local, actual only have end shield and the direct inductive grounding of earthing, but cable end end current potential is also very high, dirt is had on cable end surface, after making moist, flashover is easily caused to explode, similar as follows: the patent No. 98218242.2 1 kinds of high-tension cable terminal-ends; The patent No. 99248192.9 1 kinds of short dry-type cable terminals; The patent No. 00264710.9 dry-type cable terminal.
4, existing its defect of current transformer primary winding condenser type main insulation fuse: 1 screen is to end shield to earthing inductive grounding, just point discharges instrument transformer Analysis of End Electric Field with some local, actual only have end shield and the direct inductive grounding of earthing, but instrument transformer end current potential is also very high, dirt is had on instrument transformer surface, after making moist, flashover is easily caused to explode, similar as follows: application number 03100143.2 dry type high-voltage capacitor core and manufacture method thereof.
5, its defect of existing high-voltage end: 1 screen is to end shield to earthing inductive grounding, just point discharges high voltage Analysis of End Electric Field with some local, actual only have end shield and the direct inductive grounding of earthing, but end current potential is also very high, dirt is had at high voltage end head surface, after making moist, flashover is easily caused to explode, similar as follows: the patent No. 201010116122.9 high-voltage end.
Summary of the invention
The object of the invention is the shortcoming overcoming prior art, propose high voltage device end portion treating method, effectively can reduce the electric field of high voltage device end, high voltage device end not flashover.
Realize the technical scheme of the object of the invention: high voltage device end portion treating method of the present invention, the making of high voltage device: conductor adopts round conductor (to select copper or aluminium according to ampacity, sectional area) on conductor, making main insulation, (conductive surface is smooth can not do conductor screen process, insulating material adopts Plastic, as ethene, resin, silicon rubber, rubber, ethylene propylene diene rubber), do at beginning root the conductor two ends main insulation that insulate to be arranged 1 to 10000 screen to end shield to earthing (stage casing only has earthing), often there is insulation isolation between screen, 1 to 10000 screen is to end shield and earthing inductive grounding simultaneously, make high voltage device Analysis of End Electric Field very low.
The invention has the beneficial effects as follows: high voltage device end portion treating method of the present invention, the end of 6kV to 1000kV high voltage device adopts multi-screen multiple spot and earthing to respond to discharge Analysis of End Electric Field, 1 to 10000 screen is to end shield and earthing inductive grounding simultaneously, make high voltage device Analysis of End Electric Field very low, dirt is had at high voltage device end surface, after making moist, flashover does not explode, and high voltage device realizes non-maintaining operation.
Accompanying drawing explanation
Accompanying drawing 1 (high voltage device end), accompanying drawing 2 (high voltage device end), be structural representation of the present invention.
In accompanying drawing 1: 1. conductor, 2. main insulation, 3.1 screens, 4.2 screens, 5. end shield, 6. earthing, 7. direct induction zone, 8. dismisses edge.
In accompanying drawing 2: 1. conductor, 2. main insulation, 3.1 screens, 4.2 screens, 5. end shield, 6. earthing, 7. direct induction zone, 8. dismisses edge.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, high voltage device end portion treating method of the present invention, the making as 110kV/1250A wall bushing: conductor (1) adopts copper rod, diameter
long 2500mm,
2. " reserve 120mm at conductor two ends and make terminals;
2. in conductor (1), segment length 2260mm makes main insulation (2), (conductive surface is smooth can not do conductor screen process to insulation thickness 18mm, insulating material adopts Plastic, as ethene, resin, ethylene propylene diene rubber), make main insulation technique (as cast, wrapped, extrude);
3. 1 screen (3) is made at main insulation (2) both ends, 1 screen (3) and insulated end portions distance 50mm, the length 300mm of 1 screen (3), thickness 1mm, the material (as copper, aluminium, semiconductive material) of screen, 1 screen (3) adds insulation (8), covers 1 screen (3) length 400mm from main insulation (2) end, thickness 2mm, manufacture method and material the same;
4. shield (4) in the upper making 2 of 1 screen (3) of having insulated, 2 screens (4) and insulated end portions distance 70mm, the length 250mm of 2 screens (4), thickness 1mm, the material (as copper, aluminium, semiconductive material) of screen, 2 screens (4) add insulation (8), cover 2 screen (4) length 300mm from main insulation (2) end, thickness 2mm, manufacture method and material the same;
5. on 2 screens (4) insulated, end shield (5) is made, end shield (5) and insulated end portions distance 90mm, the length 200mm of end shield (5), thickness 1mm, the material (as copper, aluminium, semiconductive material) of screen, end shield (5) adds insulation (8), covers end shield (5) length 250mm from main insulation (2) end, thickness 2mm, manufacture method and material the same;
6. in the two ends end shield (5) insulated, earthing (6) is made, earthing (6) and insulated end portions distance 110mm, the length 2040mm of earthing (6) covers the end shield (5) at two ends, thickness 1mm, the material (as copper, aluminium, semiconductive material) of screen.
7. add on earthing (6) insulation (8) (from main insulation (2) both ends cover all shield 2260mm, thickness 2mm, manufacture method and material the same).
8. direct induction zone (7) is had between earthing (6) and end shield (5), direct induction zone (7) between 2 screens (4) and earthing (6), there is direct induction zone (7) 1 to shield (3), 2 between 1 screen (3) and earthing (6) and shield (4), end shield (5) and earthing (6) inductive grounding simultaneously, make 110kV/1250A wall bushing (high-tension electricity device) Analysis of End Electric Field very low.
As shown in Figure 2, high voltage device end portion treating method of the present invention: basic skills is the same, but only have 2 direct induction zones, direct induction zone (7) is had between earthing (6) and end shield (5), direct induction zone (7) is had between 1 screen (3) and earthing (6), 1 screen (3), end shield (5) and earthing (6) inductive grounding simultaneously, makes 110kV/1250A wall bushing (high-tension electricity device) Analysis of End Electric Field very low.
The high voltage device such as circuit breaker sleeve pipe, combined electrical apparatus sleeve pipe, bushing shell for transformer, current transformer sleeve pipe, U-shaped sleeve pipe, tag, cable mid head, bus of high pressure 6kV to 1000kV can be made by above method.
The conductor length of above-mentioned high-tension electricity device sets according to electric pressure, the sectional area of conductor sets according to ampacity, insulation thickness sets according to electric pressure, the quantity of screen, the length of screen set according to electric pressure, but the quantity of screen is no less than 3, screen sets according to electric pressure with the distance of end.Direct induction zone (7) is no less than 2.
The conductor of the high voltage device of high voltage device end portion treating method manufacture is round conductor (tubular, clavate, twisted wire shape); Insulation processing can adopt shrinkage, pyrocondensation, cast, the method such as wrapped; Insulating material adopts resinae, polyethylene, polyvinyl chloride, polypropylene, Plastic, rubber-like, ethylene propylene diene rubber, silicone rubber kinds, insulating paper, empire cloth, insulating oil, insulating varnish, porcelain bushing etc.; Each screen material adopts semiconductive resinae, polyethylene, polyvinyl chloride, polypropylene, Plastic, rubber-like, silicone rubber kinds or copper, aluminium, stainless steel etc.
Claims (3)
1. high voltage device end portion treating method, its feature: in high voltage device end, 1 screen (3), 2 screens (4) are to 10000 screens to end shield (5) and earthing (6) inductive grounding simultaneously; Specifically comprise the following steps:
Reserve 120mm at conductor (1) two ends and do terminals; In conductor (1), segment length 2260mm makes main insulation (2), insulation thickness 18mm;
Make 1 screen (3) at main insulation (2) both ends, 1 screen (3) and insulated end portions distance 50mm, the length 300mm of 1 screen (3), thickness 1mm, 1 screen (3) adds insulation (8), cover 1 screen (3) length 400mm, thickness 2mm from main insulation (2) end;
Shield (4) in the upper making 2 of 1 screen (3) of having insulated, 2 screens (4) and insulated end portions distance 70mm, the length 250mm of 2 screens (4), thickness 1mm, 2 screens (4) add insulation (8), covers 2 screen (4) length 300mm, thickness 2mm from main insulation (2) end;
2 screens (4) insulated make end shield (5), end shield (5) and insulated end portions distance 90mm, the length 200mm of end shield (5), thickness 1mm, end shield (5) adds insulation (8), covers end shield (5) length 250mm, thickness 2mm from main insulation (2) end;
The two ends end shield (5) insulated makes earthing (6), earthing (6) and insulated end portions distance 110mm, the length 2040mm of earthing (6) covers the end shield (5) at two ends, thickness 1mm, earthing (6) adds insulation (8), cover from main insulation (2) both ends and all shield 22600mm, thickness 2mm;
Direct induction zone (7) is had between earthing (6) and end shield (5), direct induction zone (7) is had between 2 screens (4) and earthing (6), direct induction zone (7) is had, 1 screen (3), 2 screens (4), end shield (5) and earthing (6) inductive grounding simultaneously between 1 screen (3) and earthing (6).
2. high voltage device end portion treating method according to claim 1, its feature: 1 screen (3) and end shield (5) and earthing (6) inductive grounding simultaneously in high voltage device end.
3. high voltage device end portion treating method according to claim 1, its feature: have 2 direct induction zones (7) in high voltage device end.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310071205.4A CN103151622B (en) | 2013-03-06 | 2013-03-06 | High voltage device end portion treating method |
| HK13112627.1A HK1185185A1 (en) | 2013-03-06 | 2013-11-11 | Method for processing ends of high-voltage device |
| PCT/CN2013/088781 WO2014134941A1 (en) | 2013-03-06 | 2013-12-06 | End processing method for high-voltage device |
| EA201591492A EA030723B1 (en) | 2013-03-06 | 2013-12-06 | End-processing method for high-voltage devices |
| TW102145987A TWI593205B (en) | 2013-03-06 | 2013-12-12 | High-voltage device end processing method and high-voltage device manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310071205.4A CN103151622B (en) | 2013-03-06 | 2013-03-06 | High voltage device end portion treating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103151622A CN103151622A (en) | 2013-06-12 |
| CN103151622B true CN103151622B (en) | 2015-08-26 |
Family
ID=48549565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310071205.4A Active CN103151622B (en) | 2013-03-06 | 2013-03-06 | High voltage device end portion treating method |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN103151622B (en) |
| EA (1) | EA030723B1 (en) |
| HK (1) | HK1185185A1 (en) |
| TW (1) | TWI593205B (en) |
| WO (1) | WO2014134941A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151622B (en) * | 2013-03-06 | 2015-08-26 | 罗志昭 | High voltage device end portion treating method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000312422A (en) * | 1999-04-27 | 2000-11-07 | Toshiba Corp | Insulation spacer |
| CN202034115U (en) * | 2011-05-10 | 2011-11-09 | 大连第一互感器有限责任公司 | Insulating bus with external sheath |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151622B (en) * | 2013-03-06 | 2015-08-26 | 罗志昭 | High voltage device end portion treating method |
-
2013
- 2013-03-06 CN CN201310071205.4A patent/CN103151622B/en active Active
- 2013-11-11 HK HK13112627.1A patent/HK1185185A1/en unknown
- 2013-12-06 WO PCT/CN2013/088781 patent/WO2014134941A1/en active Application Filing
- 2013-12-06 EA EA201591492A patent/EA030723B1/en unknown
- 2013-12-12 TW TW102145987A patent/TWI593205B/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000312422A (en) * | 1999-04-27 | 2000-11-07 | Toshiba Corp | Insulation spacer |
| CN202034115U (en) * | 2011-05-10 | 2011-11-09 | 大连第一互感器有限责任公司 | Insulating bus with external sheath |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI593205B (en) | 2017-07-21 |
| TW201436399A (en) | 2014-09-16 |
| HK1185185A1 (en) | 2014-02-07 |
| EA030723B1 (en) | 2018-09-28 |
| WO2014134941A1 (en) | 2014-09-12 |
| EA201591492A1 (en) | 2015-12-30 |
| CN103151622A (en) | 2013-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2681643C1 (en) | Cable fittings for connecting a high-voltage cable with a high-voltage component | |
| WO2017148159A1 (en) | Large-capacitance insulation core body, high-voltage electrical apparatus and multi-functional high-voltage bushing | |
| CN207719768U (en) | A kind of composite dry-type wall bushing | |
| CN101763923B (en) | High-voltage end | |
| CN103296620A (en) | Wall feed-through sleeve with high-low voltage shielding | |
| CN103366872A (en) | Circular shielding insulating bus and machining method thereof | |
| CN204167019U (en) | A kind of composite high-voltage bushing | |
| CN103151622B (en) | High voltage device end portion treating method | |
| CN106128659B (en) | A kind of extra-high voltage electroceramics external insulation outlet sleeve | |
| CN201237973Y (en) | Sulfur hexafluoride current mutual inductor with small-diameter casing tube | |
| CN114357837B (en) | 35KV shielding type separable connector and design method thereof | |
| CN105825914A (en) | Novel composite silicone rubber solid insulation bus | |
| CN202602234U (en) | Medium-pressure cross-linked polyethylene cable terminal with insulation stress cone | |
| CN204167022U (en) | A kind of high-voltage wall bushing | |
| CN202495281U (en) | Low skin effect extra-high voltage crosslinked cable | |
| CN104332258B (en) | The high-voltage wall bushing improved | |
| CN101340074B (en) | High voltage cable connector | |
| CN204167834U (en) | A kind of outdoor part of high-voltage wall bushing | |
| CN104931865B (en) | A kind of Voltage Cable Lines Construction pressure test insulating boot and test method | |
| CN103825233A (en) | High-voltage bus and method for improving current-carrying capability of high-voltage bus | |
| CN104319034A (en) | Simple composite high-voltage bushing | |
| CN204991305U (en) | High -tension bushing of synthetic fiber and carbon fiber coiling | |
| CN103474187A (en) | Anti-bending wall bushing | |
| CN105489361B (en) | GIS electronic current-voltage combination transformers | |
| CN103854798A (en) | Aluminum conductor electric shielding cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1185185 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1185185 Country of ref document: HK |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180416 Address after: 516157 Guangdong city of Huizhou province Boluo County Yang Qiaozhen East Industrial Park Patentee after: Guangdong Zhao Zhao Electrical Co., Ltd. Address before: Panyu District City, Guangzhou City, Guangdong Province town of dragon 511400 Yingbin Road section of the United States Jinlong Garden 4 Street No. 1 Patentee before: Luo Zhizhao |
|
| TR01 | Transfer of patent right |