DK0494012T3 - Fremgangsmåde og apparat til kontrol af den elektriske isolerings tilstand ved en elektrisk ledende konstruktion - Google Patents

Fremgangsmåde og apparat til kontrol af den elektriske isolerings tilstand ved en elektrisk ledende konstruktion

Info

Publication number
DK0494012T3
DK0494012T3 DK91403503.5T DK91403503T DK0494012T3 DK 0494012 T3 DK0494012 T3 DK 0494012T3 DK 91403503 T DK91403503 T DK 91403503T DK 0494012 T3 DK0494012 T3 DK 0494012T3
Authority
DK
Denmark
Prior art keywords
current
construction
controlling
state
electrically conductive
Prior art date
Application number
DK91403503.5T
Other languages
Danish (da)
English (en)
Inventor
Dominique Dauzat
Philippe Antony
Patrick Jouan
Jean-Yves Lemarchand
Original Assignee
Gaz De France
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 Gaz De France filed Critical Gaz De France
Application granted granted Critical
Publication of DK0494012T3 publication Critical patent/DK0494012T3/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Ecology (AREA)
  • Biochemistry (AREA)
  • Environmental Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DK91403503.5T 1990-12-27 1991-12-20 Fremgangsmåde og apparat til kontrol af den elektriske isolerings tilstand ved en elektrisk ledende konstruktion DK0494012T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9016343A FR2671192A1 (fr) 1990-12-27 1990-12-27 Procede et appareil pour la verification de l'etat d'isolement electrique d'un ouvrage electriquement conducteur.

Publications (1)

Publication Number Publication Date
DK0494012T3 true DK0494012T3 (da) 1997-10-13

Family

ID=9403725

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91403503.5T DK0494012T3 (da) 1990-12-27 1991-12-20 Fremgangsmåde og apparat til kontrol af den elektriske isolerings tilstand ved en elektrisk ledende konstruktion

Country Status (7)

Country Link
EP (1) EP0494012B1 (enrdf_load_stackoverflow)
AT (1) ATE158412T1 (enrdf_load_stackoverflow)
CA (1) CA2058473A1 (enrdf_load_stackoverflow)
DE (1) DE69127685T2 (enrdf_load_stackoverflow)
DK (1) DK0494012T3 (enrdf_load_stackoverflow)
ES (1) ES2106067T3 (enrdf_load_stackoverflow)
FR (1) FR2671192A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2703458B1 (fr) * 1993-03-31 1995-05-24 Gaz De France Procédé et dispositif de mesure du potentiel électrochimique réel d'un élément de construction dans un électrolyte tel une conduite enfouie dans le sol, protégée cathodiquement contre la corrosion.
JP3058844B2 (ja) * 1997-06-03 2000-07-04 東京瓦斯株式会社 鋼製プローブを用いたカソード防食状況の判定方法及びその装置
DE19755417C2 (de) * 1997-12-12 1999-11-04 Fraunhofer Ges Forschung Auswerteschaltung zur Ermittlung komplexer Impedanzen, Vorrichtung zur Messung komplexer Impedanzen und Verwendung der Vorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099117A (en) * 1976-04-26 1978-07-04 Dick Gaut Method and apparatus for measuring the quality of insulation on a buried pipeline and the quantity of metal oxide present at breaks in the insulation
US4511844A (en) * 1982-12-10 1985-04-16 Panhandle Eastern Pipe Line Company E-Log I field computer
US4721957A (en) * 1984-06-06 1988-01-26 Trw Inc. Ground shift compensated parameter measurement system
US4755267A (en) * 1986-06-03 1988-07-05 Pennwalt Corporation Methods and apparatus for protecting metal structures
US4823072A (en) * 1986-09-04 1989-04-18 Walcott Kenneth J Measurement of the polarized potential of buried pipeline having impressed current cathodic protection
IT215064Z2 (it) * 1988-10-14 1990-07-30 Il Gas S P A Soc It Apparecchiatura per il controllo dell isolamento e o la protezione catodica di tubazioni metalliche interrate
IT1230366B (it) * 1989-08-01 1991-10-18 Eniricerche Spa Procedimento per il controllo in continuo dell'integrita' del rivestimento protettivo di strutture metalliche interrate e dispositivi per la sua realizzazione.

Also Published As

Publication number Publication date
CA2058473A1 (en) 1992-06-28
EP0494012A1 (fr) 1992-07-08
DE69127685D1 (de) 1997-10-23
FR2671192A1 (fr) 1992-07-03
DE69127685T2 (de) 1998-01-15
FR2671192B1 (enrdf_load_stackoverflow) 1993-02-26
EP0494012B1 (fr) 1997-09-17
ATE158412T1 (de) 1997-10-15
ES2106067T3 (es) 1997-11-01

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