AU743935B2 - Electrical cable having a semiconductive water-blocking expanded layer - Google Patents

Electrical cable having a semiconductive water-blocking expanded layer Download PDF

Info

Publication number
AU743935B2
AU743935B2 AU22741/99A AU2274199A AU743935B2 AU 743935 B2 AU743935 B2 AU 743935B2 AU 22741/99 A AU22741/99 A AU 22741/99A AU 2274199 A AU2274199 A AU 2274199A AU 743935 B2 AU743935 B2 AU 743935B2
Authority
AU
Australia
Prior art keywords
cable according
layer
expanded
polymer
cable
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.)
Ceased
Application number
AU22741/99A
Other languages
English (en)
Other versions
AU2274199A (en
Inventor
Luca Balconi
Alberto Bareggi
Sergio Belli
Luigi Caimi
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.)
Prysmian Cavi e Sistemi Energia SRL
Original Assignee
Pirelli Cavi e Sistemi 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 Cavi e Sistemi SpA filed Critical Pirelli Cavi e Sistemi SpA
Priority claimed from PCT/EP1998/008284 external-priority patent/WO1999033070A1/en
Publication of AU2274199A publication Critical patent/AU2274199A/en
Application granted granted Critical
Publication of AU743935B2 publication Critical patent/AU743935B2/en
Assigned to PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. reassignment PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. Alteration of Name(s) in Register under S187 Assignors: PIRELLI CAVI E SISTEMI S.P.A.
Anticipated expiration legal-status Critical
Ceased 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
    • H01B9/02—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
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Insulated Conductors (AREA)
  • Organic Insulating Materials (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Communication Cables (AREA)
AU22741/99A 1997-12-22 1998-12-17 Electrical cable having a semiconductive water-blocking expanded layer Ceased AU743935B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT97MI002839 IT1297001B1 (it) 1997-12-22 1997-12-22 Cavo elettrico avente uno strato semiconduttivo espanso
ITMI97A002839 1997-12-22
PCT/EP1998/008284 WO1999033070A1 (en) 1997-12-22 1998-12-17 Electrical cable having a semiconductive water-blocking expanded layer

Publications (2)

Publication Number Publication Date
AU2274199A AU2274199A (en) 1999-07-12
AU743935B2 true AU743935B2 (en) 2002-02-07

Family

ID=11378423

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22741/99A Ceased AU743935B2 (en) 1997-12-22 1998-12-17 Electrical cable having a semiconductive water-blocking expanded layer

Country Status (8)

Country Link
AR (1) AR017949A1 (it)
AU (1) AU743935B2 (it)
BR (1) BR9814391A (it)
IT (1) IT1297001B1 (it)
RU (1) RU2217826C2 (it)
SK (1) SK286682B6 (it)
TR (1) TR200001922T2 (it)
ZA (1) ZA9811632B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343183B1 (en) * 2010-01-07 2015-07-22 Armacell Enterprise GmbH & Co. KG Elastomeric low temperature insulation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145567A (en) * 1977-06-06 1979-03-20 General Cable Corporation Solid dielectric cable resistant to electrochemical trees
EP0116754A1 (en) * 1983-02-11 1984-08-29 Cable Technology Laboratories, Inc. High voltage electric power cable with thermal expansion accommodation
EP0577233A1 (de) * 1992-07-01 1994-01-05 Siemens Aktiengesellschaft Starkstromkabel mit längswasserdichtem Schirmbereich

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145567A (en) * 1977-06-06 1979-03-20 General Cable Corporation Solid dielectric cable resistant to electrochemical trees
EP0116754A1 (en) * 1983-02-11 1984-08-29 Cable Technology Laboratories, Inc. High voltage electric power cable with thermal expansion accommodation
EP0577233A1 (de) * 1992-07-01 1994-01-05 Siemens Aktiengesellschaft Starkstromkabel mit längswasserdichtem Schirmbereich

Also Published As

Publication number Publication date
IT1297001B1 (it) 1999-08-03
BR9814391A (pt) 2000-10-10
AR017949A1 (es) 2001-10-24
AU2274199A (en) 1999-07-12
ITMI972839A1 (it) 1999-06-22
RU2217826C2 (ru) 2003-11-27
ZA9811632B (en) 1999-10-06
SK286682B6 (sk) 2009-03-05
TR200001922T2 (tr) 2001-01-22
SK9352000A3 (en) 2001-06-11

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired