HK1001350A1 - Method and device for measuring an electric current using two oppositely directed light signals and making use of the faraday effect - Google Patents

Method and device for measuring an electric current using two oppositely directed light signals and making use of the faraday effect

Info

Publication number
HK1001350A1
HK1001350A1 HK98100412A HK98100412A HK1001350A1 HK 1001350 A1 HK1001350 A1 HK 1001350A1 HK 98100412 A HK98100412 A HK 98100412A HK 98100412 A HK98100412 A HK 98100412A HK 1001350 A1 HK1001350 A1 HK 1001350A1
Authority
HK
Hong Kong
Prior art keywords
light signals
pct
measuring
electric current
making use
Prior art date
Application number
HK98100412A
Other languages
English (en)
Inventor
Thomas Bosselmann
Peter Menke
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of HK1001350A1 publication Critical patent/HK1001350A1/xx

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
    • 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)
  • Measurement Of Current Or Voltage (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
HK98100412A 1993-10-01 1998-01-19 Method and device for measuring an electric current using two oppositely directed light signals and making use of the faraday effect HK1001350A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4333538 1993-10-01
DE4423981 1994-07-07
PCT/DE1994/001100 WO1995010045A1 (de) 1993-10-01 1994-09-21 Verfahren und anordnung zum messen eines elektrischen stromes mit zwei gegenläufigen lichtsignalen unter ausnutzung des faraday-effekts

Publications (1)

Publication Number Publication Date
HK1001350A1 true HK1001350A1 (en) 1998-06-12

Family

ID=25930099

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100412A HK1001350A1 (en) 1993-10-01 1998-01-19 Method and device for measuring an electric current using two oppositely directed light signals and making use of the faraday effect

Country Status (12)

Country Link
US (1) US5844409A (xx)
EP (1) EP0721590B1 (xx)
JP (1) JP2818301B2 (xx)
KR (1) KR100310374B1 (xx)
AT (1) ATE160880T1 (xx)
CA (1) CA2173143C (xx)
DE (1) DE59404745D1 (xx)
ES (1) ES2110777T3 (xx)
HK (1) HK1001350A1 (xx)
NO (1) NO961309L (xx)
TW (1) TW247349B (xx)
WO (1) WO1995010045A1 (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545759A1 (de) * 1995-12-07 1997-06-12 Siemens Ag Optisches Meßverfahren und optische Meßvorrichtung zum Messen eines magnetischen Wechselfeldes mit Intensitätsnormierung
DE19601727C1 (de) * 1996-01-18 1997-04-30 Siemens Ag Optisches Meßverfahren und optische Meßanordnung zum Messen eines magnetischen Wechselfeldes mit erweitertem Meßbereich und guter Linearität
DE19624922A1 (de) * 1996-06-21 1998-01-08 Siemens Ag Optisches Meßverfahren und optische Meßanordnung zum Messen einer Wechselgröße mit Temperaturkompensation mit Hilfe von Gleichsignalanteilen
EP0991961A1 (de) * 1997-06-27 2000-04-12 Siemens Aktiengesellschaft Strahlteilerkörper zum aufspalten eines lichtstrahls und anordnung zur messung eines periodisch schwankenden magnetfeldes mit einem solchen strahlteilerkörper
EP1055127A1 (de) * 1998-02-12 2000-11-29 Siemens Aktiengesellschaft Verfahren und einrichtung zum messen eines magnetfeldes mit hilfe des faraday-effektes
IL126447A (en) * 1998-10-04 2004-09-27 Vascular Biogenics Ltd An immune preparation that confers tolerance in oral administration and its use in the prevention and / or treatment of atherosclerosis
US20050197283A1 (en) * 1998-10-04 2005-09-08 Vascular Biogenics Ltd. Compositions containing beta 2-glycoprotein I for the prevention and/or treatment of vascular disease
US6515467B1 (en) * 1998-12-22 2003-02-04 Siemens Aktiengesellschaft Method and system for optically detecting an electric current by means of light signals having different wavelengths
JP3718412B2 (ja) * 2000-06-01 2005-11-24 キャボットスーパーメタル株式会社 ニオブまたはタンタル粉末およびその製造方法
US6946827B2 (en) * 2001-11-13 2005-09-20 Nxtphase T & D Corporation Optical electric field or voltage sensing system
KR100452301B1 (ko) * 2002-08-30 2004-10-08 재단법인 포항산업과학연구원 광파이버를 이용한 전류 및 전압 동시측정장치 및 방법
JP4585740B2 (ja) * 2002-09-13 2010-11-24 株式会社日立グローバルストレージテクノロジーズ 磁気記録再生装置
CN101563618B (zh) * 2006-12-12 2011-12-14 Abb技术有限公司 用于磁光电流互感器的时分复用检测器
CA2699017A1 (en) * 2007-09-10 2009-03-19 The Tokyo Electric Power Company, Incorporated Optical fiber electric current measurement apparatus and electric current measurement method
RU2648020C1 (ru) * 2017-04-11 2018-03-21 Общество с ограниченной ответственностью "АЙ-ТОР" Устройство измерения переменного тока и напряжения с гальванической развязкой
DE102018216482A1 (de) * 2018-09-26 2020-03-26 Siemens Aktiengesellschaft Glasring und Verfahren für optische Strommessungen
RU205413U1 (ru) * 2020-11-01 2021-07-13 Алексей Витальевич Русскин Устройство измерения переменного тока

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3364239D1 (en) * 1982-03-08 1986-07-31 Hitachi Ltd Apparatus for optically measuring a current
US4698497A (en) * 1986-05-22 1987-10-06 Westinghouse Electric Corp. Direct current magneto-optic current transformer
DE3924369A1 (de) * 1989-07-22 1991-01-31 Asea Brown Boveri Verfahren zur messung eines elektrischen feldes oder einer elektrischen spannung und einrichtung zur durchfuehrung des verfahrens
US4973899A (en) * 1989-08-24 1990-11-27 Sundstrand Corporation Current sensor and method utilizing multiple layers of thin film magneto-optic material and signal processing to make the output independent of system losses
US5063290A (en) * 1990-09-14 1991-11-05 The United States Of America As Represented By The Secretary Of The Navy All-optical fiber faraday rotation current sensor with heterodyne detection technique
GB9100924D0 (en) * 1991-01-16 1991-02-27 Rogers Alan J Interference-free optical-fibre current measurement

Also Published As

Publication number Publication date
CA2173143C (en) 2000-11-14
NO961309D0 (no) 1996-03-29
JPH08510055A (ja) 1996-10-22
DE59404745D1 (de) 1998-01-15
NO961309L (no) 1996-06-03
CA2173143A1 (en) 1995-04-13
KR100310374B1 (ko) 2001-12-15
KR960705217A (ko) 1996-10-09
TW247349B (xx) 1995-05-11
JP2818301B2 (ja) 1998-10-30
WO1995010045A1 (de) 1995-04-13
ATE160880T1 (de) 1997-12-15
ES2110777T3 (es) 1998-02-16
EP0721590B1 (de) 1997-12-03
EP0721590A1 (de) 1996-07-17
US5844409A (en) 1998-12-01

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)