BR8801683A - Dispositivo de medida de intensidade de uma corrente eletrica por efeito faraday utilizado no meio de um interferometro de sagnac - Google Patents

Dispositivo de medida de intensidade de uma corrente eletrica por efeito faraday utilizado no meio de um interferometro de sagnac

Info

Publication number
BR8801683A
BR8801683A BR8801683A BR8801683A BR8801683A BR 8801683 A BR8801683 A BR 8801683A BR 8801683 A BR8801683 A BR 8801683A BR 8801683 A BR8801683 A BR 8801683A BR 8801683 A BR8801683 A BR 8801683A
Authority
BR
Brazil
Prior art keywords
intensity
measuring
electric current
faraday effect
effect used
Prior art date
Application number
BR8801683A
Other languages
English (en)
Inventor
Jean-Pierre Dupraz
Original Assignee
Alsthom
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 filed Critical Alsthom
Publication of BR8801683A publication Critical patent/BR8801683A/pt

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)
  • Measurement Of Current Or Voltage (AREA)
BR8801683A 1987-04-10 1988-04-08 Dispositivo de medida de intensidade de uma corrente eletrica por efeito faraday utilizado no meio de um interferometro de sagnac BR8801683A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8705102A FR2613838B1 (fr) 1987-04-10 1987-04-10 Dispositif de mesure d'intensite d'un courant electrique par effet faraday mis en oeuvre au sein d'un interferometre de sagnac

Publications (1)

Publication Number Publication Date
BR8801683A true BR8801683A (pt) 1988-11-16

Family

ID=9349998

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8801683A BR8801683A (pt) 1987-04-10 1988-04-08 Dispositivo de medida de intensidade de uma corrente eletrica por efeito faraday utilizado no meio de um interferometro de sagnac

Country Status (5)

Country Link
EP (1) EP0290780A1 (pt)
JP (1) JPS63263469A (pt)
CN (1) CN88102068A (pt)
BR (1) BR8801683A (pt)
FR (1) FR2613838B1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2683912B1 (fr) * 1991-11-18 1993-12-31 Gec Alsthom Sa Dispositif optique de mesure du courant dans une installation a enveloppe metallique a la terre.
DE4311328A1 (de) * 1993-04-06 1994-10-13 Siemens Ag Optische Meßanordnung zum Messen eines elektrischen Stromes mit verflochtenen Übertragungsleitungen
DE4342410A1 (de) * 1993-12-13 1995-06-14 Abb Research Ltd Verfahren zur magnetooptischen Strommessung und magnetooptische Strommeßeinrichtung
AUPN329295A0 (en) * 1995-05-31 1995-06-22 University Of Sydney, The Fibre optic transducer
JP3488565B2 (ja) * 1996-01-22 2004-01-19 株式会社東芝 光応用測定装置とその製造方法
DE19621654A1 (de) * 1996-05-30 1997-12-04 Abb Research Ltd Magneto-optischer Stromsensor
DE19808517A1 (de) * 1998-02-27 1999-09-16 Litef Gmbh Einrichtung zur Strommessung
CN1300592C (zh) * 2004-08-23 2007-02-14 郑州电力高等专科学校 电子错位散斑干涉测电流的装置及方法
EP2510364B1 (en) * 2009-12-11 2015-02-11 ABB Research LTD Fiber-optic current sensing using a sensor with exchangeable sub-modules
EP2626711B1 (fr) * 2012-02-10 2015-03-11 Alstom Technology Ltd Dispositif de mesure de courant HVDC à large bande passante, très haute précision
CN102590577B (zh) * 2012-03-09 2014-12-10 南京大学 一种全光纤外差电流传感器

Family Cites Families (3)

* 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
FR2574943B1 (fr) * 1984-12-18 1987-05-22 Thomson Csf Systeme analyseur de transitoires

Also Published As

Publication number Publication date
FR2613838A1 (fr) 1988-10-14
FR2613838B1 (fr) 1990-11-16
CN88102068A (zh) 1988-10-26
EP0290780A1 (fr) 1988-11-17
JPS63263469A (ja) 1988-10-31

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: G01R 15/24 (2006.01)