TW228572B - - Google Patents

Info

Publication number
TW228572B
TW228572B TW081100329A TW81100329A TW228572B TW 228572 B TW228572 B TW 228572B TW 081100329 A TW081100329 A TW 081100329A TW 81100329 A TW81100329 A TW 81100329A TW 228572 B TW228572 B TW 228572B
Authority
TW
Taiwan
Application number
TW081100329A
Original Assignee
British Tech Group
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 British Tech Group filed Critical British Tech Group
Application granted granted Critical
Publication of TW228572B publication Critical patent/TW228572B/zh

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
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Magnetic Variables (AREA)
TW081100329A 1991-01-16 1992-01-16 TW228572B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919100924A GB9100924D0 (en) 1991-01-16 1991-01-16 Interference-free optical-fibre current measurement

Publications (1)

Publication Number Publication Date
TW228572B true TW228572B (zh) 1994-08-21

Family

ID=10688516

Family Applications (1)

Application Number Title Priority Date Filing Date
TW081100329A TW228572B (zh) 1991-01-16 1992-01-16

Country Status (7)

Country Link
US (1) US5475298A (zh)
EP (1) EP0567488A1 (zh)
JP (1) JPH06504372A (zh)
KR (1) KR930703615A (zh)
GB (2) GB9100924D0 (zh)
TW (1) TW228572B (zh)
WO (1) WO1992013280A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI395250B (zh) * 2004-02-10 2013-05-01 Panasonic Corp Beam measuring device, beam measuring method, beam control method and beam irradiation method

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE216084T1 (de) * 1991-12-24 2002-04-15 Univ Sydney Stromfühler
US5677622A (en) * 1991-12-24 1997-10-14 The University Of Sydney Current sensor using a Sagnac interferometer and spun, single mode birefringent optical fiber to detect current via the Faraday effect
WO1995010045A1 (de) * 1993-10-01 1995-04-13 Siemens Aktiengesellschaft Verfahren und anordnung zum messen eines elektrischen stromes mit zwei gegenläufigen lichtsignalen unter ausnutzung des faraday-effekts
US5587791A (en) * 1994-09-27 1996-12-24 Citeq Optical interferometric current sensor and method using a single mode birefringent waveguide and a pseudo-depolarizer for measuring electrical current
DE4436181A1 (de) * 1994-10-10 1996-04-11 Siemens Ag Verfahren und Vorrichtung zum Messen einer elektrischen Wechselgröße mit Temperaturkompensation durch Fitting
DE4443948A1 (de) * 1994-12-09 1996-06-13 Siemens Ag Verfahren und Anordnung zum Messen eines Magnetfeldes mit zwei gegenläufigen Lichtsignalen unter Ausnutzung des Faraday-Effekts mit Kompensation von Intensitätsänderungen
DE4446425A1 (de) * 1994-12-23 1996-06-27 Siemens Ag Verfahren und Anordnung zum Messen eines Magnetfeldes unter Ausnutzung des Faraday-Effekts mit Kompensation von Intensitätsänderungen und Temperatureinflüssen
JPH08226939A (ja) * 1995-02-21 1996-09-03 Hitachi Ltd 光応用電流変成器
DE19506169A1 (de) * 1995-02-22 1996-08-29 Siemens Ag Verfahren und Anordnung zum Messen eines Magnetfeldes unter Ausnutzung des Faraday-Effekts mit Kompensation von Intensitätsänderungen
AUPN329295A0 (en) * 1995-05-31 1995-06-22 University Of Sydney, The Fibre optic transducer
AU710660B2 (en) * 1995-05-31 1999-09-23 University Of Sydney, The Fibre optic transducer
DE19545759A1 (de) * 1995-12-07 1997-06-12 Siemens Ag Optisches Meßverfahren und optische Meßvorrichtung zum Messen eines magnetischen Wechselfeldes mit Intensitätsnormierung
AU2002366076A1 (en) 2001-11-15 2003-06-10 Airak, Inc. Sensor for optically measuring magnetic field
KR100452301B1 (ko) * 2002-08-30 2004-10-08 재단법인 포항산업과학연구원 광파이버를 이용한 전류 및 전압 동시측정장치 및 방법
WO2005086722A2 (en) * 2004-03-05 2005-09-22 Airak, Inc. Optical current sensor with flux concentrator and method of attachment for non-circular conductors
EP1776784A4 (en) * 2004-06-15 2007-10-17 Optellios Inc FIBER OPTIC SENSOR SENSITIVE TO PHASE
US7139476B2 (en) * 2004-06-15 2006-11-21 Optellios, Inc. Distributed fiber sensor with detection and signal processing using polarization state management
CN105353191A (zh) * 2015-10-13 2016-02-24 合肥乐然物联网技术有限公司 一种应于物联网的高精度光传感器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461956A1 (fr) * 1979-07-24 1981-02-06 Thomson Csf Dispositif interferometrique de mesure de courant electrique a fibre optique
FR2475230A1 (fr) * 1980-02-01 1981-08-07 Electricite De France Dispositif de mesure d'intensite electrique dans un conducteur par determination des variations de marche d'un faisceau polarise dans un milieu optique materiel soumis au champ magnetique cree par le courant
FR2485204A1 (fr) * 1980-06-19 1981-12-24 Commissariat Energie Atomique Amperemetre a effet faraday
DE3116149A1 (de) * 1981-04-23 1982-11-11 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Faseroptische anordnung zur messung der staerke eines elektrischen stromes i unter ausnutzung des faraday-effekts
GB2104213A (en) * 1981-08-12 1983-03-02 Giers Electric current measurement
DE3132414A1 (de) * 1981-08-17 1983-02-24 Ernst Dr. 5600 Wuppertal Brinkmeyer Anordnung zur abtrennung von rueckgestreutem licht in systemen mit optischen lichtwellenleitern
FR2515811A1 (fr) * 1981-11-03 1983-05-06 Thomson Csf Dispositif interferometrique de mesure de champ magnetique et capteur de courant electrique comportant un tel dispositif
EP0089275B1 (fr) * 1982-03-12 1986-05-28 Thomson-Csf Dispositif interferométrique de mesure de courant électrique à fibres optique
FR2524650A1 (fr) * 1982-04-06 1983-10-07 Thomson Csf Magnetometre optique
FR2535464A1 (fr) * 1982-10-28 1984-05-04 Commissariat Energie Atomique Dispositif de mesure de temperature et/ou d'intensite electrique a effet faraday
GB8432402D0 (en) * 1984-12-21 1985-02-06 Birch R D Optical fibres
GB8622609D0 (en) * 1986-09-19 1986-10-22 Rogers A J Optical fibres
US4796607A (en) * 1987-07-28 1989-01-10 Welch Allyn, Inc. Endoscope steering section
EP0356670B1 (de) * 1988-08-31 1993-10-06 Asea Brown Boveri Ag Faseroptischer Stromsensor
DE3923804A1 (de) * 1989-07-19 1991-01-31 Messwandler Bau Ag Faseroptische anordnung zum messen der staerke eines elektrischen stromes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI395250B (zh) * 2004-02-10 2013-05-01 Panasonic Corp Beam measuring device, beam measuring method, beam control method and beam irradiation method

Also Published As

Publication number Publication date
JPH06504372A (ja) 1994-05-19
KR930703615A (ko) 1993-11-30
GB9200830D0 (en) 1992-03-11
GB9100924D0 (en) 1991-02-27
WO1992013280A1 (en) 1992-08-06
US5475298A (en) 1995-12-12
GB2251940A (en) 1992-07-22
GB2251940B (en) 1994-11-16
EP0567488A1 (en) 1993-11-03

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