FR2586818B1 - Procede de detection d'usure d'une ligne immergee dans un milieu conducteur et renfermant une conduite ou un cable electrique - Google Patents

Procede de detection d'usure d'une ligne immergee dans un milieu conducteur et renfermant une conduite ou un cable electrique

Info

Publication number
FR2586818B1
FR2586818B1 FR8512921A FR8512921A FR2586818B1 FR 2586818 B1 FR2586818 B1 FR 2586818B1 FR 8512921 A FR8512921 A FR 8512921A FR 8512921 A FR8512921 A FR 8512921A FR 2586818 B1 FR2586818 B1 FR 2586818B1
Authority
FR
France
Prior art keywords
cable
conductive medium
electrical conduit
detecting wear
submersible line
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
FR8512921A
Other languages
English (en)
Other versions
FR2586818A1 (fr
Inventor
Christian Babin
Francois Marie Robert
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
Original Assignee
Societe National Elf Aquitaine
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 filed Critical Societe National Elf Aquitaine
Priority to FR8512921A priority Critical patent/FR2586818B1/fr
Priority to NO863232A priority patent/NO863232L/no
Priority to GB08619821A priority patent/GB2180073B/en
Priority to IT8667680A priority patent/IT1215186B/it
Priority to BR8604127A priority patent/BR8604127A/pt
Publication of FR2586818A1 publication Critical patent/FR2586818A1/fr
Application granted granted Critical
Publication of FR2586818B1 publication Critical patent/FR2586818B1/fr
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)
FR8512921A 1985-08-30 1985-08-30 Procede de detection d'usure d'une ligne immergee dans un milieu conducteur et renfermant une conduite ou un cable electrique Expired FR2586818B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8512921A FR2586818B1 (fr) 1985-08-30 1985-08-30 Procede de detection d'usure d'une ligne immergee dans un milieu conducteur et renfermant une conduite ou un cable electrique
NO863232A NO863232L (no) 1985-08-30 1986-08-11 Fremgangsmaate for aa detektere slitasje paa en line som er neddykket i et ledende medium og omfatter en foering eller en elektrisk kabel.
GB08619821A 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
IT8667680A IT1215186B (it) 1985-08-30 1986-08-29 Procedimento di rilevazione del l usura di una linea immersa in un mezzo conduttore e racchiudente una condotta od un cavo elettrico
BR8604127A BR8604127A (pt) 1985-08-30 1986-08-29 Processo de deteccao de desgaste em uma linha,processo de localizacao de uma area de desgaste em uma linha e processo de deteccao e de localizacao de uma area de desgaste em uma linha que percorre em seu local de servico varios meios ambientes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8512921A FR2586818B1 (fr) 1985-08-30 1985-08-30 Procede de detection d'usure d'une ligne immergee dans un milieu conducteur et renfermant une conduite ou un cable electrique

Publications (2)

Publication Number Publication Date
FR2586818A1 FR2586818A1 (fr) 1987-03-06
FR2586818B1 true FR2586818B1 (fr) 1987-11-27

Family

ID=9322494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8512921A Expired FR2586818B1 (fr) 1985-08-30 1985-08-30 Procede de detection d'usure d'une ligne immergee dans un milieu conducteur et renfermant une conduite ou un cable electrique

Country Status (5)

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

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
AU686906B2 (en) * 1994-12-15 1998-02-12 British Telecommunications Public Limited Company A 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 (fr) * 2008-04-23 2012-09-12 Telefonaktiebolaget L M Ericsson (publ) Procédé d'analyse de ligne de transmission
EP2476211B1 (fr) 2009-09-11 2016-04-20 Telefonaktiebolaget LM Ericsson (publ) Procédé d'estimation des caractéristiques de transmission pour une ligne de transmission de télécommunications

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 (de) * 1972-09-29 1975-11-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zum Messen einer Leitungsimpedanz
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 (sv) * 1982-09-14 1984-05-21 Asea Ab Forfarande och anordning for lokalisering av ett felstelle pa en trefasig kraftledning

Also Published As

Publication number Publication date
GB8619821D0 (en) 1986-09-24
BR8604127A (pt) 1987-04-22
NO863232L (no) 1987-03-02
IT8667680A0 (it) 1986-08-29
FR2586818A1 (fr) 1987-03-06
IT1215186B (it) 1990-01-31
NO863232D0 (no) 1986-08-11
GB2180073A (en) 1987-03-18
GB2180073B (en) 1989-01-25

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Legal Events

Date Code Title Description
ST Notification of lapse