DE69131214T2 - Stromsonde mit Faraday-Effekt - Google Patents

Stromsonde mit Faraday-Effekt

Info

Publication number
DE69131214T2
DE69131214T2 DE69131214T DE69131214T DE69131214T2 DE 69131214 T2 DE69131214 T2 DE 69131214T2 DE 69131214 T DE69131214 T DE 69131214T DE 69131214 T DE69131214 T DE 69131214T DE 69131214 T2 DE69131214 T2 DE 69131214T2
Authority
DE
Germany
Prior art keywords
current probe
faraday effect
faraday
effect
probe
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 - Fee Related
Application number
DE69131214T
Other languages
English (en)
Other versions
DE69131214D1 (de
Inventor
Dale R C O Minnesota Mini Lutz
Grieg A C O Minnesota Mi Olson
Gary B C O Minnesota Forsberg
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69131214D1 publication Critical patent/DE69131214D1/de
Publication of DE69131214T2 publication Critical patent/DE69131214T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
    • G01R15/246—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
DE69131214T 1990-03-20 1991-03-19 Stromsonde mit Faraday-Effekt Expired - Fee Related DE69131214T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/496,291 US5051577A (en) 1990-03-20 1990-03-20 Faraday effect current sensor having two polarizing fibers at an acute angle

Publications (2)

Publication Number Publication Date
DE69131214D1 DE69131214D1 (de) 1999-06-17
DE69131214T2 true DE69131214T2 (de) 1999-12-09

Family

ID=23972005

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69131214T Expired - Fee Related DE69131214T2 (de) 1990-03-20 1991-03-19 Stromsonde mit Faraday-Effekt

Country Status (6)

Country Link
US (1) US5051577A (de)
EP (1) EP0448342B1 (de)
JP (1) JPH04221775A (de)
KR (1) KR910017196A (de)
CA (1) CA2038545C (de)
DE (1) DE69131214T2 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923803A1 (de) * 1989-07-19 1991-01-31 Messwandler Bau Ag Faseroptische anordnung zum messen der staerke eines elektrischen stromes
DE59004896D1 (de) * 1989-12-01 1994-04-14 Asea Brown Boveri Faseroptischer Stromwandler.
DE59010223D1 (de) * 1990-09-28 1996-04-25 Asea Brown Boveri Optischer Stromwandler
US5149962A (en) * 1991-06-03 1992-09-22 Simmonds Precision Products, Inc. Proximity detector using faraday effect and bidirectional transmission
DE4224190B4 (de) * 1992-07-22 2007-01-18 Abb Research Ltd. Faseroptischer Stromsensor
US5365175A (en) * 1993-01-21 1994-11-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of locating ground faults
DE4304762A1 (de) * 1993-02-17 1994-08-18 Abb Research Ltd Sensorkopf für eine faseroptische Strommessvorrichtung
US5408092A (en) * 1993-12-09 1995-04-18 Simmonds Precision Products, Inc. Multiple optic sensor system
DE4344856A1 (de) * 1993-12-29 1995-07-06 Abb Research Ltd Faseroptischer Transmissionssensor mit Modulator
US5463312A (en) * 1994-03-03 1995-10-31 Minnesota Mining And Manufacturing Company Faraday-effect sensing coil with stable birefringence
US5492552A (en) * 1994-03-03 1996-02-20 Minnesota Mining And Manufacturing Company Holder for annealing fiber optic coils
US5434501A (en) * 1994-04-29 1995-07-18 The United States Of America As Represented By The Secretary Of The Navy Polarization insensitive current and magnetic field optic sensor
US5502373A (en) * 1994-06-15 1996-03-26 Eaton Corporation Magneto-optical current measurement apparatus
US5598489A (en) * 1994-07-27 1997-01-28 Litton Systems, Inc. Depolarized fiber optic rotation sensor with low faraday effect drift
DE19580887D2 (de) * 1994-08-23 1997-05-28 Siemens Ag Verfahren und Anordnung zum Messen von elektrischen Strömen aus wenigstens zwei Meßbereichen
US5644397A (en) * 1994-10-07 1997-07-01 The Texas A&M University System Fiber optic interferometric circuit and magnetic field sensor
DE19517128A1 (de) * 1995-05-10 1996-11-14 Siemens Ag Verfahren und Anordnung zum Messen eines magnetischen Wechselfeldes mit Off-set-Faraday-Rotation zur Temperaturkompensation
EP0853765B1 (de) * 1995-10-04 2000-05-17 Minnesota Mining And Manufacturing Company Stromfühler mit kompensation für die temperaturabhängigkeit der verdet-konstante
FR2740899B1 (fr) * 1995-11-06 1997-12-05 Gec Alsthom T D Balteau Transformateur de mesure non conventionnel
US5736737A (en) * 1995-11-22 1998-04-07 Dawson; Jay W. Concatenated magneto-optic field sensors
US5939136A (en) * 1996-04-12 1999-08-17 Minnesota Mining And Manufacturing Company Process for preparation of optical fiber devices using optical fibers with thermally removable coatings
US5987195A (en) * 1996-08-01 1999-11-16 The Texas A&M University System Fiber optics apparatus and method for accurate current sensing
US5696858A (en) * 1996-08-01 1997-12-09 The Texas A&M University System Fiber Optics apparatus and method for accurate current sensing
US5935292A (en) * 1997-01-08 1999-08-10 3M Innovative Properties Company Annealing mold and retainer for making a fiber optic current sensor
US6023331A (en) * 1997-06-19 2000-02-08 The Texas A&M University System Fiber optic interferometric sensor and method by adding controlled amounts of circular birefringence in the sensing fiber
US5978084A (en) * 1997-08-26 1999-11-02 The Texas A&M University System Open loop signal processing circuit and method for a fiber optic interferometric sensor
US6188811B1 (en) 1998-10-31 2001-02-13 The Texas A&M Universtiy System Fiber optic current sensor
EP1133701B1 (de) * 1998-11-23 2005-06-22 Harry E. Orton Verfahren zur diagnose von isolationsverschlechterungen in unterirdischen kabeln
GB2345129A (en) * 1998-12-21 2000-06-28 Asea Brown Boveri Optical Sensor Using Polarised Light
EP1145020B1 (de) * 1998-12-22 2003-03-12 Siemens Aktiengesellschaft Verfahren und anordnung zur optischen erfassung eines elektrischen stroms über lichtsignale mit unterschiedlicher wellenlänge
US6307632B1 (en) 1999-03-24 2001-10-23 The Texas A&M University System Magnetic field integrated fiber optic sensor with improved sensitivity
US6259245B1 (en) * 1999-12-27 2001-07-10 Kohji Toda Electric-current sensing device
DE10021669A1 (de) 2000-05-05 2001-11-08 Abb Research Ltd Faseroptischer Stromsensor
KR100452301B1 (ko) * 2002-08-30 2004-10-08 재단법인 포항산업과학연구원 광파이버를 이용한 전류 및 전압 동시측정장치 및 방법
EP1491903A1 (de) 2003-05-12 2004-12-29 Kasmatic Innovation A/S Faseroptisches Faraday-Effekt-Sensor
US7068025B2 (en) * 2003-05-12 2006-06-27 Nesa A/S Compensation of simple fibre optic Faraday effect sensors
US7249338B2 (en) 2003-05-21 2007-07-24 Gateway Inc. High speed bus with radio frequency microstrip
EP1820034B1 (de) * 2004-11-18 2009-09-23 Powersense A/S Kompensation von einfachen faseroptischen faraday-effekt-sensoren
US8692539B2 (en) * 2006-11-30 2014-04-08 Powersense A/S Faraday effect current sensor
JP2010025766A (ja) * 2008-07-18 2010-02-04 Tokyo Electric Power Co Inc:The 光ファイバ電流センサ、電流測定方法、及び事故区間検出装置
KR102098626B1 (ko) * 2013-10-16 2020-04-08 한국전자통신연구원 광섬유 전류 센서
US9632113B2 (en) * 2014-03-13 2017-04-25 Ofs Fitel, Llc Few-moded fiber for sensing current
WO2016112993A1 (de) 2015-01-16 2016-07-21 Siemens Aktiengesellschaft Optoelektrische messvorrichtung und verfahren zum messen eines elektrischen stromes
KR102581771B1 (ko) * 2021-04-27 2023-09-22 옵토파워주식회사 편광유지광섬유와 자기광학소자 일체형 전류센서

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2541072C3 (de) * 1975-09-15 1979-08-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Magnetooptischer Meßwandler zur Herstellung von Hochspannungsströmen
DE2835794B2 (de) * 1978-08-16 1980-06-26 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen Faseroptische Anordnung zur Messung der Stärke eines elektrischen Stromes
DE2841162A1 (de) * 1978-09-21 1980-04-10 Siemens Ag Doppelbrechungsarmer lichtwellenleiter
US4531811A (en) * 1979-03-19 1985-07-30 Polaroid Corporation Fiber optics polarizer
GB2104213A (en) * 1981-08-12 1983-03-02 Giers Electric current measurement
US4615582A (en) * 1981-11-09 1986-10-07 The Board Of Trustees Of The Leland Stanford Junior University Magneto-optic rotator for providing additive Faraday rotations in a loop of optical fiber
US4589728A (en) * 1983-08-26 1986-05-20 Andrew Corporation Optical fiber polarizer
GB2202324B (en) * 1987-03-11 1991-01-23 Plessey Co Plc Improvements relating to optical fibre sensing system
US4894608A (en) * 1987-07-22 1990-01-16 Square D Company Electric current sensor using the faraday effect
JPH01175099A (ja) * 1987-12-28 1989-07-11 Brother Ind Ltd 光ファイバセンサ装置

Also Published As

Publication number Publication date
CA2038545C (en) 2000-05-16
US5051577A (en) 1991-09-24
KR910017196A (ko) 1991-11-05
CA2038545A1 (en) 1991-09-21
DE69131214D1 (de) 1999-06-17
JPH04221775A (ja) 1992-08-12
EP0448342B1 (de) 1999-05-12
EP0448342A3 (en) 1992-06-03
EP0448342A2 (de) 1991-09-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee