GB1078514A - Improvements relating to electric cables - Google Patents
Improvements relating to electric cablesInfo
- Publication number
- GB1078514A GB1078514A GB1952463A GB1952463A GB1078514A GB 1078514 A GB1078514 A GB 1078514A GB 1952463 A GB1952463 A GB 1952463A GB 1952463 A GB1952463 A GB 1952463A GB 1078514 A GB1078514 A GB 1078514A
- Authority
- GB
- United Kingdom
- Prior art keywords
- insulation
- layer
- cable
- strip
- core
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—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
Landscapes
- Insulated Conductors (AREA)
Abstract
1,078,514. Cables. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. April 28, 1964 [May 16, 1963], No. 19524/63. Heading H1A. In a high voltage cable a resilient, conductive layer comprising a strip of cellular material (such as an expanded or foamed synthetic polymer) loaded with carbon black, metal powder or like conductive particles, is lapped on to or folded around the stranded core of the cable to prevent electrical discharge in and subsequent breakdown of the insulation due to surface irregularities in the core and stresses in the insulation. The resiliency of the layer evens out and cushions the radial stresses introduced in the insulation during the lapping of the paper or synthetic film tape comprising the insulation and makes the cable less susceptible to damage by bending. The use of a strip for the layer permits penetration of any oil or gas impregnant used. An extruded lead sheath encloses the insulation and has an external waterproof layer of serving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1952463A GB1078514A (en) | 1963-05-16 | 1963-05-16 | Improvements relating to electric cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1952463A GB1078514A (en) | 1963-05-16 | 1963-05-16 | Improvements relating to electric cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1078514A true GB1078514A (en) | 1967-08-09 |
Family
ID=10130835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1952463A Expired GB1078514A (en) | 1963-05-16 | 1963-05-16 | Improvements relating to electric cables |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1078514A (en) |
-
1963
- 1963-05-16 GB GB1952463A patent/GB1078514A/en not_active Expired
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