FR2188261A1 - Screening of high voltage cables - by helical wrapping with screening tape folded to ensure a potential balance along each tape interface - Google Patents

Screening of high voltage cables - by helical wrapping with screening tape folded to ensure a potential balance along each tape interface

Info

Publication number
FR2188261A1
FR2188261A1 FR7321478A FR7321478A FR2188261A1 FR 2188261 A1 FR2188261 A1 FR 2188261A1 FR 7321478 A FR7321478 A FR 7321478A FR 7321478 A FR7321478 A FR 7321478A FR 2188261 A1 FR2188261 A1 FR 2188261A1
Authority
FR
France
Prior art keywords
tape
screening
tapes
semi
edges
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.)
Granted
Application number
FR7321478A
Other languages
English (en)
French (fr)
Other versions
FR2188261B1 (enExample
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 FR2188261A1 publication Critical patent/FR2188261A1/fr
Application granted granted Critical
Publication of FR2188261B1 publication Critical patent/FR2188261B1/fr
Granted 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
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0216—Two layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—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
    • H01B9/0611—Oil-pressure cables

Landscapes

  • Testing Relating To Insulation (AREA)
FR7321478A 1972-06-13 1973-06-13 Screening of high voltage cables - by helical wrapping with screening tape folded to ensure a potential balance along each tape interface Granted FR2188261A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25589/72A IT956500B (it) 1972-06-13 1972-06-13 Nastratura schermante per cavi elettrici per alte tension

Publications (2)

Publication Number Publication Date
FR2188261A1 true FR2188261A1 (en) 1974-01-18
FR2188261B1 FR2188261B1 (enExample) 1975-08-22

Family

ID=11217186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7321478A Granted FR2188261A1 (en) 1972-06-13 1973-06-13 Screening of high voltage cables - by helical wrapping with screening tape folded to ensure a potential balance along each tape interface

Country Status (7)

Country Link
JP (1) JPS4950471A (enExample)
AU (1) AU5675273A (enExample)
BR (1) BR7304347D0 (enExample)
CA (1) CA977428A (enExample)
FR (1) FR2188261A1 (enExample)
IT (1) IT956500B (enExample)
ZA (1) ZA733938B (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2116392A1 (en) * 1970-11-11 1972-07-13 Pirelli General Cable Works Plastic shielding laminate - consisting of semiconducting plastic and insulating plastic layers for electrical cables

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2116392A1 (en) * 1970-11-11 1972-07-13 Pirelli General Cable Works Plastic shielding laminate - consisting of semiconducting plastic and insulating plastic layers for electrical cables

Also Published As

Publication number Publication date
CA977428A (en) 1975-11-04
FR2188261B1 (enExample) 1975-08-22
AU5675273A (en) 1974-12-12
JPS4950471A (enExample) 1974-05-16
ZA733938B (en) 1974-05-29
IT956500B (it) 1973-10-10
BR7304347D0 (pt) 1974-08-22

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Legal Events

Date Code Title Description
ST Notification of lapse