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GB2164145B - Temperature compensated current sensor involving faraday effect and fiber optics - Google Patents

Temperature compensated current sensor involving faraday effect and fiber optics

Info

Publication number
GB2164145B
GB2164145B GB08520392A GB8520392A GB2164145B GB 2164145 B GB2164145 B GB 2164145B GB 08520392 A GB08520392 A GB 08520392A GB 8520392 A GB8520392 A GB 8520392A GB 2164145 B GB2164145 B GB 2164145B
Authority
GB
United Kingdom
Prior art keywords
current sensor
fiber optics
temperature compensated
faraday effect
compensated current
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
GB08520392A
Other versions
GB8520392D0 (en
GB2164145A (en
Inventor
Cheng-Lin Chen
Juris Andrejs Asars
Eugene Gerard Vaerewyck
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB8520392D0 publication Critical patent/GB8520392D0/en
Publication of GB2164145A publication Critical patent/GB2164145A/en
Application granted granted Critical
Publication of GB2164145B publication Critical patent/GB2164145B/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)
  • Measuring Magnetic Variables (AREA)
GB08520392A 1984-09-04 1985-08-14 Temperature compensated current sensor involving faraday effect and fiber optics Expired GB2164145B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64720284A 1984-09-04 1984-09-04

Publications (3)

Publication Number Publication Date
GB8520392D0 GB8520392D0 (en) 1985-09-18
GB2164145A GB2164145A (en) 1986-03-12
GB2164145B true GB2164145B (en) 1989-01-05

Family

ID=24596066

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08520392A Expired GB2164145B (en) 1984-09-04 1985-08-14 Temperature compensated current sensor involving faraday effect and fiber optics

Country Status (3)

Country Link
JP (1) JPH0721510B2 (en)
AU (1) AU581017B2 (en)
GB (1) GB2164145B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613811A (en) * 1984-09-04 1986-09-23 Westinghouse Electric Corp. Faraday current sensor with fiber optic compensated by temperature, degradation, and linearity
JPH0668508B2 (en) * 1988-03-03 1994-08-31 日本碍子株式会社 Photocurrent and magnetic field measurement method and device
JPH0670653B2 (en) * 1989-03-31 1994-09-07 日本碍子株式会社 Light temperature / electric quantity measuring device
GB9104780D0 (en) * 1991-03-07 1991-04-17 Tatam Ralph P Apparatus and methods for measuring magnetic fields and electric currents
DE4312183A1 (en) * 1993-04-14 1994-10-20 Siemens Ag Optical measuring method for measuring an electrical alternating current with temperature compensation and device for carrying out the method
JP2001050985A (en) 1999-05-31 2001-02-23 Ando Electric Co Ltd Electrooptical probe
US20110052115A1 (en) * 2009-08-27 2011-03-03 General Electric Company System and method for temperature control and compensation for fiber optic current sensing systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471608A1 (en) * 1979-12-14 1981-06-19 Thomson Csf MEASURING HEAD FOR MAGNETOMETER, AND MAGNETOMETER COMPRISING SUCH A HEAD
JPS58139082A (en) * 1982-02-15 1983-08-18 Hitachi Ltd Magnetic field measuring apparatus
JPS5981570A (en) * 1982-11-01 1984-05-11 Hitachi Ltd Optical magnetic field measuring device

Also Published As

Publication number Publication date
JPH0721510B2 (en) 1995-03-08
JPS6166169A (en) 1986-04-04
AU4650085A (en) 1986-03-13
AU581017B2 (en) 1989-02-09
GB8520392D0 (en) 1985-09-18
GB2164145A (en) 1986-03-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010814