SE8900675L - Foerfarande och anordning foer bestaemning av tillstaandet hos isoleringen av ett foeremaal framstaellt av ett elektriskt ledande material belagt med en elektrisk isolering och anordnat i ett elektriskt ledande medium - Google Patents

Foerfarande och anordning foer bestaemning av tillstaandet hos isoleringen av ett foeremaal framstaellt av ett elektriskt ledande material belagt med en elektrisk isolering och anordnat i ett elektriskt ledande medium

Info

Publication number
SE8900675L
SE8900675L SE8900675A SE8900675A SE8900675L SE 8900675 L SE8900675 L SE 8900675L SE 8900675 A SE8900675 A SE 8900675A SE 8900675 A SE8900675 A SE 8900675A SE 8900675 L SE8900675 L SE 8900675L
Authority
SE
Sweden
Prior art keywords
insulation
condition
electric
determination
pct
Prior art date
Application number
SE8900675A
Other languages
English (en)
Other versions
SE462998B (sv
SE8900675D0 (sv
Inventor
M Viikari
Original Assignee
Aerius Oy
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 Aerius Oy filed Critical Aerius Oy
Publication of SE8900675L publication Critical patent/SE8900675L/sv
Publication of SE8900675D0 publication Critical patent/SE8900675D0/sv
Publication of SE462998B publication Critical patent/SE462998B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Testing Relating To Insulation (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
SE8900675A 1986-08-27 1989-02-27 Foerfarande och anordning foer bestaemning av tillstaandet hos isoleringen av ett foeremaal framstaellt av elektriskt ledande material,belagt med en elektrisk isolering och anordnat i ett elektriskt ledande medium SE462998B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI863487A FI863487A (fi) 1986-08-27 1986-08-27 Pao elektromagnetisk induktion baserande foerfarande och anordning foer kontroll av skicktet av elektrisk isolering hos ledningar i ett ledande medium.

Publications (3)

Publication Number Publication Date
SE8900675L true SE8900675L (sv) 1989-02-27
SE8900675D0 SE8900675D0 (sv) 1989-02-27
SE462998B SE462998B (sv) 1990-09-24

Family

ID=8523063

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8900675A SE462998B (sv) 1986-08-27 1989-02-27 Foerfarande och anordning foer bestaemning av tillstaandet hos isoleringen av ett foeremaal framstaellt av elektriskt ledande material,belagt med en elektrisk isolering och anordnat i ett elektriskt ledande medium

Country Status (9)

Country Link
US (1) US4982163A (sv)
DE (1) DE3790503T1 (sv)
DK (1) DK228188D0 (sv)
FI (1) FI863487A (sv)
GB (1) GB2219665B (sv)
NL (1) NL8720432A (sv)
NO (1) NO881757L (sv)
SE (1) SE462998B (sv)
WO (1) WO1988001748A1 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2008898C (en) * 1989-10-25 1998-11-24 Takeshi Endoh Method for detecting partial discharge in an insulation of an electric power apparatus
DE4100037C2 (de) * 1991-01-03 1995-03-30 Christian Kueck Verfahren, einen Mantelerdschluss in einem beidseitig geerdeten, mit einem Isoliermantel umgebenen elektrisch leitfähigem Medium mit einem induktiven Meßsystem während des Betriebes festzustellen
FI100828B (sv) * 1995-03-08 1998-02-27 Powex Oy Mätanordning för mätning av strömmen i luftledningar av en medelspänni ngslinje
CA2158916A1 (en) * 1995-09-22 1995-11-17 Don A. Lulham Method and apparatus for detecting faults in buried conductors
JPH10206390A (ja) * 1997-01-22 1998-08-07 Kawasaki Steel Corp 埋設鋼管被覆損傷探査方法
DE10117238A1 (de) * 2001-04-06 2002-10-17 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Detektion von Fehlerstellen in isolierten Leitungssystemen
US8310237B2 (en) * 2006-09-04 2012-11-13 Sense Marine Limited Apparatus for and method of detecting a conductive object
RU2540267C1 (ru) * 2013-08-27 2015-02-10 Общество с ограниченной ответственностью Научно-производственное предприятие "ЭКРА" Способ определения интервалов однородности электрической величины

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052559B (de) * 1956-05-07 1959-03-12 Christoph Mittelberger Verfahren zur Feststellung der Lage von Kurzschlussstellen und Kabelmuffen von in Erde verlegten Starkstromkabeln
US3526831A (en) * 1968-11-21 1970-09-01 North American Rockwell Method for tracking underwater pipelines and detecting flaws in the coating thereof
GB1299183A (en) * 1969-09-06 1972-12-06 Electrolocation Ltd Improvements relating to surveying instruments
US3745452A (en) * 1971-02-23 1973-07-10 J Osburn Magnetic field gradient apparatus and method for detecting pipe line corrosion
GB1512161A (en) * 1976-01-12 1978-05-24 Morgan Berkeley & Co Ltd Cathodic protection of structures
FR2353068A1 (fr) * 1976-05-24 1977-12-23 Intersub Dev Sa Appareil de reperage d'un objet metallique allonge
US4134061A (en) * 1977-02-02 1979-01-09 Gudgel Howard S Pipe current detector with plural magnetic flux detectors
US4228399A (en) * 1978-02-27 1980-10-14 Harco Corporation Offshore pipeline electrical survey method and apparatus
US4348639A (en) * 1979-05-18 1982-09-07 Triple Dee Electronics Inc. Transmitter-receiver loop buried metal object locator with switch controlled reference voltage
EP0024183A1 (en) * 1979-08-18 1981-02-25 Geodate Limited A method of detecting faults in the electrically conductive sheath of an electric cable
US4365191A (en) * 1980-02-29 1982-12-21 Harco Corporation Method and apparatus for electrical surveys of offshore metal structures with correction for distance
US4390836A (en) * 1980-08-11 1983-06-28 Marathon Oil Company Method and apparatus for the detection of pipeline holidays
EP0077757B1 (fr) * 1981-10-16 1985-04-24 Battelle Memorial Institute Procédé pour détecter les défauts d'un revêtement diélectrique à la surface d'un substrat électriquement conducteur
US4602212A (en) * 1982-06-14 1986-07-22 Sumitomo Metal Industries, Ltd. Method and apparatus including a flux leakage and eddy current sensor for detecting surface flaws in metal products
FR2541772B1 (fr) * 1983-02-24 1985-06-14 Aerospatiale Procede et dispositif pour l'examen non destructif de jonctions rivetees ou analogues au moyen d'une sonde a courants de foucault
FR2570501B1 (fr) * 1984-09-20 1987-12-18 Siderurgie Fse Inst Rech Procede de detection de defauts de surface par courants de foucault et dispositif mettant en oeuvre ce procede

Also Published As

Publication number Publication date
FI863487A (fi) 1988-02-28
GB8904218D0 (en) 1989-05-04
DK228188A (da) 1988-04-27
GB2219665A (en) 1989-12-13
NO881757D0 (no) 1988-04-22
NO881757L (no) 1988-06-27
FI863487A0 (fi) 1986-08-27
NL8720432A (nl) 1989-05-01
GB2219665B (en) 1991-01-30
DE3790503T1 (de) 1989-08-17
DK228188D0 (da) 1988-04-27
SE462998B (sv) 1990-09-24
SE8900675D0 (sv) 1989-02-27
US4982163A (en) 1991-01-01
WO1988001748A1 (en) 1988-03-10

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