CA1116257A - Water tree proof power cable and method for making such cable - Google Patents

Water tree proof power cable and method for making such cable

Info

Publication number
CA1116257A
CA1116257A CA302,137A CA302137A CA1116257A CA 1116257 A CA1116257 A CA 1116257A CA 302137 A CA302137 A CA 302137A CA 1116257 A CA1116257 A CA 1116257A
Authority
CA
Canada
Prior art keywords
layer
power cable
insulation
cable
water
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
CA302,137A
Other languages
English (en)
French (fr)
Inventor
Arild Botne
Jarle Sletbak
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.)
ELEKTRISITETSFORSYNINGENS FORSKNINGSINSTITUTT
Original Assignee
ELEKTRISITETSFORSYNINGENS FORSKNINGSINSTITUTT
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 ELEKTRISITETSFORSYNINGENS FORSKNINGSINSTITUTT filed Critical ELEKTRISITETSFORSYNINGENS FORSKNINGSINSTITUTT
Application granted granted Critical
Publication of CA1116257A publication Critical patent/CA1116257A/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
    • 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
    • H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • 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

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Organic Insulating Materials (AREA)
  • Insulated Conductors (AREA)
  • Manufacturing Of Electric Cables (AREA)
CA302,137A 1977-04-28 1978-04-27 Water tree proof power cable and method for making such cable Expired CA1116257A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO771479A NO140249C (no) 1977-04-28 1977-04-28 Sterkstroemkabel som er motstandsdyktig overfor dannelse av vanntraer i isolasjonen samt fremgangsmaate for fremstilling av slik kabel
NO771479 1977-04-28

Publications (1)

Publication Number Publication Date
CA1116257A true CA1116257A (en) 1982-01-12

Family

ID=19883495

Family Applications (1)

Application Number Title Priority Date Filing Date
CA302,137A Expired CA1116257A (en) 1977-04-28 1978-04-27 Water tree proof power cable and method for making such cable

Country Status (21)

Country Link
JP (1) JPS5416690A (no)
AR (1) AR216791A1 (no)
AU (1) AU518380B2 (no)
BE (1) BE866377A (no)
BR (1) BR7802680A (no)
CA (1) CA1116257A (no)
CH (1) CH635700A5 (no)
DD (1) DD136080A5 (no)
DE (1) DE2817804A1 (no)
DK (1) DK180478A (no)
ES (1) ES235675Y (no)
FI (1) FI64866C (no)
FR (1) FR2389204A1 (no)
GB (1) GB1584501A (no)
IN (1) IN147280B (no)
IT (1) IT1094114B (no)
MX (1) MX144377A (no)
NL (1) NL7804447A (no)
NO (1) NO140249C (no)
SE (1) SE7804694L (no)
ZA (1) ZA782266B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2032678B (en) * 1978-10-27 1983-04-27 Nordiske Kabel Traad Electric power conductive cable
DE3210934C2 (de) * 1982-03-25 1985-01-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Hochspannungskabel mit hochpolymerer Feststoffisolierung
DE3629348C2 (de) * 1985-11-09 1994-10-20 Kabelmetal Electro Gmbh Kunststoffisoliertes elektrisches Mittel- oder Hochspannungskabel
FR2634940A1 (fr) * 1988-07-29 1990-02-02 Centre Nat Rech Scient Procede pour augmenter la resistance a l'humidite d'un cable electrique a haute tension, materiau pour la mise en oeuvre du procede, cable ainsi obtenu
SE468871B (sv) * 1988-09-06 1993-03-29 Alcatel Iko Kabel Ab Klen kommunikationskabel avsedd foer frekvenser upp till och med mhz-omraadet

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907280B1 (de) * 1969-02-13 1970-10-22 Keller & Co C Vorrichtung fuer die UEberfuehrung von Stammholz von einer Transportbahn auf andere
JPS573164B2 (no) * 1974-03-02 1982-01-20

Also Published As

Publication number Publication date
DE2817804A1 (de) 1978-11-09
DK180478A (da) 1978-10-29
FI781186A (fi) 1978-10-29
BE866377A (nl) 1978-10-26
NO771479L (no) 1978-10-31
NO140249C (no) 1979-07-25
AU518380B2 (en) 1981-10-01
NL7804447A (nl) 1978-10-31
ES235675Y (es) 1979-01-16
BR7802680A (pt) 1978-12-12
FR2389204B1 (no) 1982-12-10
GB1584501A (en) 1981-02-11
NO140249B (no) 1979-04-17
ES235675U (es) 1978-08-01
DD136080A5 (de) 1979-06-13
FR2389204A1 (fr) 1978-11-24
ZA782266B (en) 1979-04-25
AU3551578A (en) 1979-11-01
JPS5416690A (en) 1979-02-07
MX144377A (es) 1981-10-05
AR216791A1 (es) 1980-01-31
SE7804694L (sv) 1978-10-29
IT7822579A0 (it) 1978-04-21
IN147280B (no) 1980-01-19
CH635700A5 (en) 1983-04-15
FI64866C (fi) 1984-01-10
IT1094114B (it) 1985-07-26
FI64866B (fi) 1983-09-30

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Legal Events

Date Code Title Description
MKEX Expiry