CA920225A - Reducteurs de courant utilisant l'effet faraday - Google Patents

Reducteurs de courant utilisant l'effet faraday

Info

Publication number
CA920225A
CA920225A CA097517A CA97517A CA920225A CA 920225 A CA920225 A CA 920225A CA 097517 A CA097517 A CA 097517A CA 97517 A CA97517 A CA 97517A CA 920225 A CA920225 A CA 920225A
Authority
CA
Canada
Prior art keywords
reducteurs
utilisant
courant
effet
faraday
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
Application number
CA097517A
Other languages
English (en)
Other versions
CA97517S (en
Inventor
Lesueur Gilbert
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.)
Alstom Savoisienne SA
Original Assignee
Alstom Savoisienne SA
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 Alstom Savoisienne SA filed Critical Alstom Savoisienne SA
Application granted granted Critical
Publication of CA920225A publication Critical patent/CA920225A/en
Expired 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
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA097517A 1969-11-06 1970-11-05 Reducteurs de courant utilisant l'effet faraday Expired CA920225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6938300A FR2067547A5 (fr) 1969-11-06 1969-11-06

Publications (1)

Publication Number Publication Date
CA920225A true CA920225A (en) 1973-01-30

Family

ID=9042740

Family Applications (1)

Application Number Title Priority Date Filing Date
CA097517A Expired CA920225A (en) 1969-11-06 1970-11-05 Reducteurs de courant utilisant l'effet faraday

Country Status (6)

Country Link
US (1) US3743929A (fr)
BE (1) BE758188A (fr)
CA (1) CA920225A (fr)
DE (1) DE2054754A1 (fr)
FR (1) FR2067547A5 (fr)
ZA (1) ZA707545B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE424773B (sv) * 1980-12-01 1982-08-09 Asea Ab Optiskt fibermetdon med reflexundertryckning
FR2501856A1 (fr) * 1981-03-10 1982-09-17 Moreau Marcel Capteurs a fibres optiques pour le declenchement de la protection d'un circuit electrique par disjoncteur
DE3364239D1 (en) * 1982-03-08 1986-07-31 Hitachi Ltd Apparatus for optically measuring a current
US4683421A (en) * 1985-03-29 1987-07-28 Westinghouse Electric Corp. Drift compensation technique for a magneto-optic current sensor
US4698497A (en) * 1986-05-22 1987-10-06 Westinghouse Electric Corp. Direct current magneto-optic current transformer
US4843232A (en) * 1987-12-28 1989-06-27 Allied-Signal Inc. Optic switch and speed sensor
US5008611A (en) * 1989-03-14 1991-04-16 Square D Company Method of eliminating the effects of birefringence from the detection of electric current using Faraday rotation
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer
DE3923803A1 (de) * 1989-07-19 1991-01-31 Messwandler Bau Ag Faseroptische anordnung zum messen der staerke eines elektrischen stromes
DE4416298A1 (de) * 1994-05-09 1995-11-16 Abb Research Ltd Verfahren und Vorrichtung zur optischen Ermittlung einer physikalischen Größe
US5617022A (en) * 1995-05-01 1997-04-01 Hydro-Aire Division Of Crane Company Fiberoptic velocity transducer including dielectric coating for filtering and velocity determination

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296921A (en) * 1961-10-30 1967-01-10 Perkin Elmer Corp Alignment autocollimator
US3283644A (en) * 1962-11-27 1966-11-08 Du Pont Apparatus for determining the concentration of dispersed particulate solids in liquids
US3324393A (en) * 1963-07-26 1967-06-06 Gen Electric Magneto-optical electric current sensing arrangement
CH442520A (fr) * 1965-04-10 1967-08-31 Merlin Gerin Dispositif de mesure électro-optique de courant
FR1541816A (fr) * 1967-09-01 1968-10-11 Merlin Gerin Perfectionnements aux dispositifs de mesure électro-optique d'une grandeur électrique
CH482200A (de) * 1968-04-23 1969-11-30 Bbc Brown Boveri & Cie Verfahren und Einrichtung zur Messung der zeitlichen Änderung der Feldstärke eines Magnetfeldes

Also Published As

Publication number Publication date
DE2054754A1 (de) 1971-05-13
US3743929A (en) 1973-07-03
FR2067547A5 (fr) 1971-08-20
BE758188A (fr) 1971-04-29
ZA707545B (en) 1971-07-28

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