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GB8619821D0 - Detecting wear in electric cable - Google Patents

Detecting wear in electric cable

Info

Publication number
GB8619821D0
GB8619821D0 GB868619821A GB8619821A GB8619821D0 GB 8619821 D0 GB8619821 D0 GB 8619821D0 GB 868619821 A GB868619821 A GB 868619821A GB 8619821 A GB8619821 A GB 8619821A GB 8619821 D0 GB8619821 D0 GB 8619821D0
Authority
GB
United Kingdom
Prior art keywords
electric cable
detecting wear
wear
detecting
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.)
Granted
Application number
GB868619821A
Other versions
GB2180073B (en
GB2180073A (en
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.)
Societe National Elf Aquitaine
Societe Nationale Elf Aquitaine Production SA
Original Assignee
Societe National Elf Aquitaine
Societe Nationale Elf Aquitaine Production SA
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 Societe National Elf Aquitaine, Societe Nationale Elf Aquitaine Production SA filed Critical Societe National Elf Aquitaine
Publication of GB8619821D0 publication Critical patent/GB8619821D0/en
Publication of GB2180073A publication Critical patent/GB2180073A/en
Application granted granted Critical
Publication of GB2180073B publication Critical patent/GB2180073B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Insulated Conductors (AREA)
  • Communication Cables (AREA)
GB08619821A 1985-08-30 1986-08-14 A method of detecting wear in a submerged line in a conducting medium and containing a duct or an electric cable Expired GB2180073B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8512921A FR2586818B1 (en) 1985-08-30 1985-08-30 METHOD FOR DETECTING WEAR OF A SUBMERSIBLE LINE IN A CONDUCTIVE MEDIUM AND CONTAINING AN ELECTRICAL CONDUIT OR CABLE

Publications (3)

Publication Number Publication Date
GB8619821D0 true GB8619821D0 (en) 1986-09-24
GB2180073A GB2180073A (en) 1987-03-18
GB2180073B GB2180073B (en) 1989-01-25

Family

ID=9322494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08619821A Expired GB2180073B (en) 1985-08-30 1986-08-14 A method of detecting wear in a submerged line in a conducting medium and containing a duct or an electric cable

Country Status (5)

Country Link
BR (1) BR8604127A (en)
FR (1) FR2586818B1 (en)
GB (1) GB2180073B (en)
IT (1) IT1215186B (en)
NO (1) NO863232L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5699402A (en) * 1994-09-26 1997-12-16 Teradyne, Inc. Method and apparatus for fault segmentation in a telephone network
US6008654A (en) * 1994-12-15 1999-12-28 British Telecommunications Public Limited Company Method and apparatus for testing lines in a telecommunications network
NZ322111A (en) * 1995-11-20 1999-10-28 British Telecomm Fault management system for a telecommunications network, circuit testers at local switch
EP2272177B1 (en) * 2008-04-23 2012-09-12 Telefonaktiebolaget L M Ericsson (publ) Method for transmission line analysis
WO2011031199A1 (en) * 2009-09-11 2011-03-17 Telefonaktiebolaget L M Ericsson (Publ) A method for estimating transmission properties of a telecommunications transmission line

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792350A (en) * 1972-03-15 1974-02-12 Bell Telephone Labor Inc Detection of metalshield faults in buried cable
DE2247746C3 (en) * 1972-09-29 1975-11-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method of measuring a line impedance
US3991363A (en) * 1975-08-11 1976-11-09 Bell Telephone Laboratories, Incorporated Method and apparatus for detecting faults in buried insulated conductors
GB2082406B (en) * 1980-04-22 1984-06-13 Domenco Wayne David Monitoring electrical cables and joints for the ingress of moisture
SE433405B (en) * 1982-09-14 1984-05-21 Asea Ab PROCEDURE AND DEVICE FOR LOCATING A FAILURE ON A THREE-PHASE POWER CORD

Also Published As

Publication number Publication date
NO863232D0 (en) 1986-08-11
NO863232L (en) 1987-03-02
GB2180073B (en) 1989-01-25
GB2180073A (en) 1987-03-18
FR2586818B1 (en) 1987-11-27
IT1215186B (en) 1990-01-31
BR8604127A (en) 1987-04-22
IT8667680A0 (en) 1986-08-29
FR2586818A1 (en) 1987-03-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee