NO20015325D0 - Defect detection - Google Patents

Defect detection

Info

Publication number
NO20015325D0
NO20015325D0 NO20015325A NO20015325A NO20015325D0 NO 20015325 D0 NO20015325 D0 NO 20015325D0 NO 20015325 A NO20015325 A NO 20015325A NO 20015325 A NO20015325 A NO 20015325A NO 20015325 D0 NO20015325 D0 NO 20015325D0
Authority
NO
Norway
Prior art keywords
defect detection
defect
detection
Prior art date
Application number
NO20015325A
Other languages
Norwegian (no)
Other versions
NO20015325A (en
NO313848B1 (en
Inventor
Lars Lundgaard
Original Assignee
Sintef Energiforskning As
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 Sintef Energiforskning As filed Critical Sintef Energiforskning As
Priority to NO20015325A priority Critical patent/NO313848B1/en
Publication of NO20015325D0 publication Critical patent/NO20015325D0/en
Priority to PCT/NO2002/000357 priority patent/WO2003044516A1/en
Priority to AU2002335563A priority patent/AU2002335563A1/en
Publication of NO20015325A publication Critical patent/NO20015325A/en
Publication of NO313848B1 publication Critical patent/NO313848B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/106—Number of transducers one or more transducer arrays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NO20015325A 2001-10-31 2001-10-31 Method and apparatus for acoustic detection and localization of sound generating defects NO313848B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO20015325A NO313848B1 (en) 2001-10-31 2001-10-31 Method and apparatus for acoustic detection and localization of sound generating defects
PCT/NO2002/000357 WO2003044516A1 (en) 2001-10-31 2002-10-03 Device and method for acoustic detection and localization of defects
AU2002335563A AU2002335563A1 (en) 2001-10-31 2002-10-03 Device and method for acoustic detection and localization of defects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20015325A NO313848B1 (en) 2001-10-31 2001-10-31 Method and apparatus for acoustic detection and localization of sound generating defects

Publications (3)

Publication Number Publication Date
NO20015325D0 true NO20015325D0 (en) 2001-10-31
NO20015325A NO20015325A (en) 2002-12-09
NO313848B1 NO313848B1 (en) 2002-12-09

Family

ID=19912973

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20015325A NO313848B1 (en) 2001-10-31 2001-10-31 Method and apparatus for acoustic detection and localization of sound generating defects

Country Status (3)

Country Link
AU (1) AU2002335563A1 (en)
NO (1) NO313848B1 (en)
WO (1) WO2003044516A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2301406A1 (en) * 2006-12-01 2008-06-16 Universitat Politecnica De Catalunya On-line acoustic detector of partial discharges for accessories of medium and high voltage cables
AT510359B1 (en) * 2010-09-08 2015-05-15 Akg Acoustics Gmbh METHOD FOR ACOUSTIC SIGNAL TRACKING
DE102013104155B4 (en) * 2013-04-24 2015-09-10 Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung (Bam) High voltage device with a fiber optic sensor and method for testing an insulation of such a high voltage device
US9304111B2 (en) 2013-10-01 2016-04-05 Rockwell Automation Technologies, Inc. Systems and methods for detecting partial discharge in electrical components
KR102403994B1 (en) 2016-06-21 2022-05-31 몰렉스 엘엘씨 System and method for electrical spark detection
CN113075614A (en) * 2021-03-17 2021-07-06 武汉创现科技有限公司 Sound source direction-finding device for cruise device, cruise device and intelligent garbage can
CN114609493B (en) * 2022-05-09 2022-08-12 杭州兆华电子股份有限公司 Partial discharge signal identification method with enhanced signal data

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838593A (en) * 1972-11-06 1974-10-01 Exxon Research Engineering Co Acoustic leak location and detection system
US4095173A (en) * 1976-12-27 1978-06-13 General Electric Company Method and system for corona source location by acoustic signal detection
US4289019A (en) * 1979-10-30 1981-09-15 The United States Of America As Represented By The United States Department Of Energy Method and means of passive detection of leaks in buried pipes
US4571994A (en) * 1984-08-06 1986-02-25 The United States Of America As Represented By The Secretary Of The Navy Acoustical testing of hydraulic actuators
WO1997024742A1 (en) * 1995-12-27 1997-07-10 Quiet Power Systems, Inc Method and apparatus for locating partial discharge in electrical transformers

Also Published As

Publication number Publication date
NO20015325A (en) 2002-12-09
WO2003044516A1 (en) 2003-05-30
AU2002335563A1 (en) 2003-06-10
NO313848B1 (en) 2002-12-09

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