BE758188A - Perfectionnement aux reducteurs de courant utilisant l'effet faraday - Google Patents

Perfectionnement aux reducteurs de courant utilisant l'effet faraday

Info

Publication number
BE758188A
BE758188A BE758188DA BE758188A BE 758188 A BE758188 A BE 758188A BE 758188D A BE758188D A BE 758188DA BE 758188 A BE758188 A BE 758188A
Authority
BE
Belgium
Prior art keywords
improvement
faraday effect
reducers
current
current reducers
Prior art date
Application number
Other languages
English (en)
Original Assignee
Alsthom Savoisienne
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 Alsthom Savoisienne filed Critical Alsthom Savoisienne
Publication of BE758188A publication Critical patent/BE758188A/fr

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)
BE758188D 1969-11-06 1970-10-29 Perfectionnement aux reducteurs de courant utilisant l'effet faraday BE758188A (fr)

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
BE758188A true BE758188A (fr) 1971-04-29

Family

ID=9042740

Family Applications (1)

Application Number Title Priority Date Filing Date
BE758188D BE758188A (fr) 1969-11-06 1970-10-29 Perfectionnement aux 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
CA920225A (en) 1973-01-30
FR2067547A5 (fr) 1971-08-20
ZA707545B (en) 1971-07-28

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