GB919529A - Improvements in or relating to high-tension electric cables of the fluid-pressure type - Google Patents

Improvements in or relating to high-tension electric cables of the fluid-pressure type

Info

Publication number
GB919529A
GB919529A GB2722861A GB2722861A GB919529A GB 919529 A GB919529 A GB 919529A GB 2722861 A GB2722861 A GB 2722861A GB 2722861 A GB2722861 A GB 2722861A GB 919529 A GB919529 A GB 919529A
Authority
GB
United Kingdom
Prior art keywords
tension electric
relating
fluid
pressure type
paper
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
Application number
GB2722861A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pirelli SpA filed Critical Pirelli SpA
Publication of GB919529A publication Critical patent/GB919529A/en
Expired legal-status Critical Current

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
    • H01B9/06—Gas-pressure cables; Oil-pressure cables; Cables for use in conduits under fluid pressure
    • H01B9/0611—Oil-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

Landscapes

  • Insulating Bodies (AREA)
  • Insulated Conductors (AREA)
  • Organic Insulating Materials (AREA)

Abstract

919,529. Fluid pressure cables; pipe cables. PIRELLI S.p.A. July 27, 1961 [Sept. 16, 1960], No. 27228/61. Drawings to Specification. Class 36. A high-tension electric cable of the fluidpressure type, with insulation formed by a wrapping of impregnated paper, has, between the surface of the conductor and the insulation, a semi-conductive taping of carbon black loaded paper having a thickness between 5 and 10%, of the radius of the conductor. This is stated to be the zone of greatest mechanical stress and hence any wrinkling or rupture of the paper occurring during bending occurs in a zone where there is no electrical stress.
GB2722861A 1960-09-16 1961-07-27 Improvements in or relating to high-tension electric cables of the fluid-pressure type Expired GB919529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1615260 1960-09-16

Publications (1)

Publication Number Publication Date
GB919529A true GB919529A (en) 1963-02-27

Family

ID=11148604

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2722861A Expired GB919529A (en) 1960-09-16 1961-07-27 Improvements in or relating to high-tension electric cables of the fluid-pressure type

Country Status (3)

Country Link
BE (1) BE606728A (en)
ES (1) ES271066A1 (en)
GB (1) GB919529A (en)

Also Published As

Publication number Publication date
ES271066A1 (en) 1962-03-01
BE606728A (en) 1961-11-16

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