AU581017B2 - 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
AU581017B2
AU581017B2 AU46500/85A AU4650085A AU581017B2 AU 581017 B2 AU581017 B2 AU 581017B2 AU 46500/85 A AU46500/85 A AU 46500/85A AU 4650085 A AU4650085 A AU 4650085A AU 581017 B2 AU581017 B2 AU 581017B2
Authority
AU
Australia
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.)
Ceased
Application number
AU46500/85A
Other versions
AU4650085A (en
Inventor
Juris Andrejs Asars
Cheng-Lin Chen
Eugene G. 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 AU4650085A publication Critical patent/AU4650085A/en
Application granted granted Critical
Publication of AU581017B2 publication Critical patent/AU581017B2/en
Anticipated expiration legal-status Critical
Ceased 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)
AU46500/85A 1984-09-04 1985-08-21 Temperature compensated current sensor involving faraday effect and fiber optics Ceased AU581017B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64720284A 1984-09-04 1984-09-04
US647202 1984-09-04

Publications (2)

Publication Number Publication Date
AU4650085A AU4650085A (en) 1986-03-13
AU581017B2 true AU581017B2 (en) 1989-02-09

Family

ID=24596066

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46500/85A Ceased AU581017B2 (en) 1984-09-04 1985-08-21 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030876A1 (en) * 1979-12-14 1981-06-24 Thomson-Csf Measuring head for a magnetometer and its use in a magnetometer
EP0086387A1 (en) * 1982-02-15 1983-08-24 Hitachi, Ltd. Measuring instrument of magnetic field
GB2130365A (en) * 1982-11-01 1984-05-31 Hitachi Ltd Optical magnetic-field measuring apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030876A1 (en) * 1979-12-14 1981-06-24 Thomson-Csf Measuring head for a magnetometer and its use in a magnetometer
EP0086387A1 (en) * 1982-02-15 1983-08-24 Hitachi, Ltd. Measuring instrument of magnetic field
GB2130365A (en) * 1982-11-01 1984-05-31 Hitachi Ltd Optical magnetic-field measuring apparatus

Also Published As

Publication number Publication date
GB8520392D0 (en) 1985-09-18
JPS6166169A (en) 1986-04-04
GB2164145A (en) 1986-03-12
JPH0721510B2 (en) 1995-03-08
AU4650085A (en) 1986-03-13
GB2164145B (en) 1989-01-05

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired