GB1108762A - Improvements relating to high voltage electric cables - Google Patents
Improvements relating to high voltage electric cablesInfo
- Publication number
- GB1108762A GB1108762A GB3268564A GB3268564A GB1108762A GB 1108762 A GB1108762 A GB 1108762A GB 3268564 A GB3268564 A GB 3268564A GB 3268564 A GB3268564 A GB 3268564A GB 1108762 A GB1108762 A GB 1108762A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tape
- conductive
- aluminium
- extrusion
- cores
- 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
Links
- 239000004411 aluminium Substances 0.000 abstract 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 4
- 229910052782 aluminium Inorganic materials 0.000 abstract 4
- 238000001125 extrusion Methods 0.000 abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011368 organic material Substances 0.000 abstract 1
- 229920000098 polyolefin Polymers 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 abstract 1
- 239000004753 textile Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/06—Gas-pressure cables; Oil-pressure cables; Cables for use in conduits under fluid pressure
- H01B9/0644—Features relating to the dielectric of gas-pressure cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/027—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of semi-conducting layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/06—Gas-pressure cables; Oil-pressure cables; Cables for use in conduits under fluid pressure
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Insulated Conductors (AREA)
Abstract
1,108,762. Extruding cable sheathings. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 28 July, 1965 [11 Aug., 1964], No. 32685/64. Heading B5A. [Also in Division H1] Using an extrusion nozzle as described in Specification 967,567, an electrical conductor is coated with multiple layers of polyolefin by simultaneous extrusion of an inner semiconductive layer, an intermediate insulating one and an outer semi-conductive one. Extrusion and subsequent controlled cooling conditions ensure that the layers become intimately bonded together. They are then subjected to a crosslinking process, suitably by irradiation with electrons, then a gas-permeable tape layer is applied to form a screen. This may be done by winding a copper tape helically over a conductive or semi-conductive textile bedding tape. One or more such cores may be enclosed in an aluminium sheath with space inside for a pressurized inert insulating gas. For example three cores may be bound together with tape and sheathed in an aluminium tube webbed about the core assembly from aluminium strip by highfrequency electric welding. The aluminium sheath may be externally protected against corrosion by an outer layer of organic material, such as extruded polyvinylchloride.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3268564A GB1108762A (en) | 1964-08-11 | 1964-08-11 | Improvements relating to high voltage electric cables |
| DE19651465203 DE1465203A1 (en) | 1964-08-11 | 1965-08-10 | High voltage gas pressure cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3268564A GB1108762A (en) | 1964-08-11 | 1964-08-11 | Improvements relating to high voltage electric cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1108762A true GB1108762A (en) | 1968-04-03 |
Family
ID=10342471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3268564A Expired GB1108762A (en) | 1964-08-11 | 1964-08-11 | Improvements relating to high voltage electric cables |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1465203A1 (en) |
| GB (1) | GB1108762A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4361606A (en) * | 1980-09-30 | 1982-11-30 | Monsanto Company | Method for irradiation of polymeric laminates and product |
| US4520230A (en) * | 1980-05-21 | 1985-05-28 | The Furukawa Electric Co., Ltd. | Cross-linked polyethylene insulated power cable with improved electric breakdown strength and method for manufacturing the same |
| CN102290136A (en) * | 2011-06-09 | 2011-12-21 | 湖南金杯电缆有限公司 | Power cable with outer conductor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3315588A1 (en) * | 1983-04-29 | 1984-10-31 | Herbert Prof. 8031 Gröbenzell Prenzlau | Heavy-duty cable |
| CN102266999A (en) * | 2011-08-01 | 2011-12-07 | 江苏亨通线缆科技有限公司 | Process for manufacturing railway signal cable |
-
1964
- 1964-08-11 GB GB3268564A patent/GB1108762A/en not_active Expired
-
1965
- 1965-08-10 DE DE19651465203 patent/DE1465203A1/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520230A (en) * | 1980-05-21 | 1985-05-28 | The Furukawa Electric Co., Ltd. | Cross-linked polyethylene insulated power cable with improved electric breakdown strength and method for manufacturing the same |
| US4361606A (en) * | 1980-09-30 | 1982-11-30 | Monsanto Company | Method for irradiation of polymeric laminates and product |
| CN102290136A (en) * | 2011-06-09 | 2011-12-21 | 湖南金杯电缆有限公司 | Power cable with outer conductor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1465203A1 (en) | 1969-01-16 |
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