DD136080A5 - AGAINST "WATER-TREES" PROTECTED POWER CABLE AND METHOD FOR THE PRODUCTION THEREOF - Google Patents

AGAINST "WATER-TREES" PROTECTED POWER CABLE AND METHOD FOR THE PRODUCTION THEREOF

Info

Publication number
DD136080A5
DD136080A5 DD78205011A DD20501178A DD136080A5 DD 136080 A5 DD136080 A5 DD 136080A5 DD 78205011 A DD78205011 A DD 78205011A DD 20501178 A DD20501178 A DD 20501178A DD 136080 A5 DD136080 A5 DD 136080A5
Authority
DD
German Democratic Republic
Prior art keywords
trees
production
water
power cable
protected power
Prior art date
Application number
DD78205011A
Other languages
German (de)
Inventor
Jarle Sletbak
Arild Botne
Original Assignee
Elektrisitetsforsyning
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 Elektrisitetsforsyning filed Critical Elektrisitetsforsyning
Publication of DD136080A5 publication Critical patent/DD136080A5/en

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)
DD78205011A 1977-04-28 1978-04-26 AGAINST "WATER-TREES" PROTECTED POWER CABLE AND METHOD FOR THE PRODUCTION THEREOF DD136080A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO771479A NO140249C (en) 1977-04-28 1977-04-28 STRONG CURRENT CABLE WHICH IS RESISTANT TO THE FORMATION OF WATER TREES IN THE INSULATION AND PROCEDURE FOR THE MANUFACTURE OF SUCH CABLE

Publications (1)

Publication Number Publication Date
DD136080A5 true DD136080A5 (en) 1979-06-13

Family

ID=19883495

Family Applications (1)

Application Number Title Priority Date Filing Date
DD78205011A DD136080A5 (en) 1977-04-28 1978-04-26 AGAINST "WATER-TREES" PROTECTED POWER CABLE AND METHOD FOR THE PRODUCTION THEREOF

Country Status (21)

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

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 (en) * 1982-03-25 1985-01-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt High voltage cable with high polymer solid insulation
DE3629348C2 (en) * 1985-11-09 1994-10-20 Kabelmetal Electro Gmbh Plastic insulated electrical medium or high voltage cable
FR2634940A1 (en) * 1988-07-29 1990-02-02 Centre Nat Rech Scient PROCESS FOR INCREASING THE MOISTURE RESISTANCE OF A HIGH VOLTAGE ELECTRIC CABLE, MATERIAL FOR IMPLEMENTING THE PROCESS, CABLE OBTAINED THEREBY
SE468871B (en) * 1988-09-06 1993-03-29 Alcatel Iko Kabel Ab SMALL COMMUNICATION CABLE INTENDED FOR FREQUENCY UP TO AND WITH THE MHZ AREA

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907280B1 (en) * 1969-02-13 1970-10-22 Keller & Co C Device for the transfer of logs from one conveyor to another
JPS573164B2 (en) * 1974-03-02 1982-01-20

Also Published As

Publication number Publication date
AU3551578A (en) 1979-11-01
IT7822579A0 (en) 1978-04-21
FI64866C (en) 1984-01-10
ES235675U (en) 1978-08-01
ZA782266B (en) 1979-04-25
JPS5416690A (en) 1979-02-07
NO140249C (en) 1979-07-25
CA1116257A (en) 1982-01-12
IN147280B (en) 1980-01-19
SE7804694L (en) 1978-10-29
ES235675Y (en) 1979-01-16
NL7804447A (en) 1978-10-31
FR2389204A1 (en) 1978-11-24
IT1094114B (en) 1985-07-26
FI64866B (en) 1983-09-30
FI781186A (en) 1978-10-29
AU518380B2 (en) 1981-10-01
CH635700A5 (en) 1983-04-15
BR7802680A (en) 1978-12-12
FR2389204B1 (en) 1982-12-10
NO140249B (en) 1979-04-17
BE866377A (en) 1978-10-26
GB1584501A (en) 1981-02-11
NO771479L (en) 1978-10-31
DE2817804A1 (en) 1978-11-09
DK180478A (en) 1978-10-29
MX144377A (en) 1981-10-05
AR216791A1 (en) 1980-01-31

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