DE69502729T2 - Optische interferometrische stromfühler und strommessverfahren - Google Patents
Optische interferometrische stromfühler und strommessverfahrenInfo
- Publication number
- DE69502729T2 DE69502729T2 DE69502729T DE69502729T DE69502729T2 DE 69502729 T2 DE69502729 T2 DE 69502729T2 DE 69502729 T DE69502729 T DE 69502729T DE 69502729 T DE69502729 T DE 69502729T DE 69502729 T2 DE69502729 T2 DE 69502729T2
- Authority
- DE
- Germany
- Prior art keywords
- waveguide
- counter
- optically coupled
- current
- propagating light
- 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 - Fee Related
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/313,690 US5587791A (en) | 1994-09-27 | 1994-09-27 | Optical interferometric current sensor and method using a single mode birefringent waveguide and a pseudo-depolarizer for measuring electrical current |
PCT/CA1995/000523 WO1996010187A1 (en) | 1994-09-27 | 1995-09-14 | Optical interferometric current sensor and a method for measuring an electrical current |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69502729D1 DE69502729D1 (de) | 1998-07-02 |
DE69502729T2 true DE69502729T2 (de) | 1999-02-11 |
Family
ID=23216728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69502729T Expired - Fee Related DE69502729T2 (de) | 1994-09-27 | 1995-09-14 | Optische interferometrische stromfühler und strommessverfahren |
Country Status (7)
Country | Link |
---|---|
US (1) | US5587791A (de) |
EP (1) | EP0783701B1 (de) |
AT (1) | ATE166723T1 (de) |
AU (1) | AU3467695A (de) |
CA (1) | CA2197716C (de) |
DE (1) | DE69502729T2 (de) |
WO (1) | WO1996010187A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6211982B1 (en) | 1998-07-29 | 2001-04-03 | Litton Systems, Inc. | Remote sensor with waveguide optics telemetry |
US6229937B1 (en) | 1998-09-17 | 2001-05-08 | Corning Incorporated | Circularly polarized fiber in optical circuits |
AU6137899A (en) * | 1998-09-17 | 2000-04-03 | Corning Incorporated | Circularly polarized fiber in optical circuits |
US6188811B1 (en) * | 1998-10-31 | 2001-02-13 | The Texas A&M Universtiy System | Fiber optic current sensor |
US6535654B1 (en) * | 1998-12-29 | 2003-03-18 | Nxtphase Technologies, Srl | Method for fabrication of an all fiber polarization retardation device |
US6307632B1 (en) | 1999-03-24 | 2001-10-23 | The Texas A&M University System | Magnetic field integrated fiber optic sensor with improved sensitivity |
JP4234885B2 (ja) * | 2000-07-07 | 2009-03-04 | 日本航空電子工業株式会社 | サニヤック干渉計型電流センサ |
US7277179B2 (en) | 2004-12-13 | 2007-10-02 | General Electric Company | Magneto-optical sensors |
DE102006002301B4 (de) * | 2005-01-18 | 2007-11-15 | Hochschule Zittau/Görlitz (FH) | Schaltungsanordnung zur Messung elektrischer Ströme in elektrischen Leitern mit Lichtwellenleitern |
US20110116099A1 (en) * | 2008-01-17 | 2011-05-19 | Halliburton Energy Services, Inc. | Apparatus and method for detecting pressure signals |
JP2010025766A (ja) * | 2008-07-18 | 2010-02-04 | Tokyo Electric Power Co Inc:The | 光ファイバ電流センサ、電流測定方法、及び事故区間検出装置 |
CN102687025B (zh) * | 2009-12-11 | 2015-07-29 | Abb技术有限公司 | 具有改进断电性能的磁光电流换能器 |
DE112013006884T5 (de) * | 2013-03-28 | 2015-12-17 | Abb Research Ltd. | Faseroptischer Stromsensor mit gesponnener Faser und Temperaturkompensation |
EP3183585A1 (de) | 2014-08-19 | 2017-06-28 | ABB Schweiz AG | Optischer sensor mit gesponnener, doppelt brechender messfaser |
EP3772656A1 (de) * | 2019-08-08 | 2021-02-10 | ABB Schweiz AG | Faseroptischer sensor und system |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4372685A (en) * | 1979-01-15 | 1983-02-08 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. | Method and arrangement for the measurement of rotations |
FR2461956A1 (fr) * | 1979-07-24 | 1981-02-06 | Thomson Csf | Dispositif interferometrique de mesure de courant electrique a fibre optique |
GB2101762B (en) * | 1981-07-07 | 1984-11-28 | Central Electr Generat Board | Optic fibre |
EP0089275B1 (de) * | 1982-03-12 | 1986-05-28 | Thomson-Csf | Interferometrische Glasfiberstrommessschaltung |
US4634852A (en) * | 1982-04-14 | 1987-01-06 | The Board Of Trustees Of The Leland Stanford Junior University | Sensor using fiber optic interferometer |
US4545682A (en) * | 1983-08-11 | 1985-10-08 | The Singer Company | Optical gyroscope |
GB8432402D0 (en) * | 1984-12-21 | 1985-02-06 | Birch R D | Optical fibres |
US4828389A (en) * | 1987-04-21 | 1989-05-09 | Smiths Industries | Integrated triad optical rate sensor apparatus |
FR2616538B1 (fr) * | 1987-06-11 | 1989-09-01 | Alsthom | Systeme interferometrique a fibre optique de type sagnac |
US5321503A (en) * | 1990-06-04 | 1994-06-14 | The United States Of America As Represented By The Secretary Of The Navy | Closed loop, depolarized interferometric fiber optic (IFOG) gyroscope with self adjusting serrodyne phase nulling |
US5137360A (en) * | 1990-12-21 | 1992-08-11 | Honeywell Inc. | Fiber optic gyro with a source at a first wavelength and a fiber optic loop designed for single mode operation at a wavelength longer than the first wavelength |
GB9100924D0 (en) * | 1991-01-16 | 1991-02-27 | Rogers Alan J | Interference-free optical-fibre current measurement |
DE4120675A1 (de) * | 1991-06-22 | 1992-12-24 | Messerschmitt Boelkow Blohm | Optischer faserkreisel vom sagnac-typ |
ATE216084T1 (de) * | 1991-12-24 | 2002-04-15 | Univ Sydney | Stromfühler |
DE4223740A1 (de) * | 1992-07-18 | 1994-01-20 | Teldix Gmbh | Phasenmodulator und Depolarisator für einen Faserkreisel |
-
1994
- 1994-09-27 US US08/313,690 patent/US5587791A/en not_active Expired - Fee Related
-
1995
- 1995-09-14 AU AU34676/95A patent/AU3467695A/en not_active Abandoned
- 1995-09-14 WO PCT/CA1995/000523 patent/WO1996010187A1/en active IP Right Grant
- 1995-09-14 CA CA002197716A patent/CA2197716C/en not_active Expired - Fee Related
- 1995-09-14 AT AT95931104T patent/ATE166723T1/de not_active IP Right Cessation
- 1995-09-14 DE DE69502729T patent/DE69502729T2/de not_active Expired - Fee Related
- 1995-09-14 EP EP95931104A patent/EP0783701B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1996010187A1 (en) | 1996-04-04 |
CA2197716A1 (en) | 1996-04-04 |
US5587791A (en) | 1996-12-24 |
EP0783701B1 (de) | 1998-05-27 |
CA2197716C (en) | 2003-04-08 |
AU3467695A (en) | 1996-04-19 |
EP0783701A1 (de) | 1997-07-16 |
DE69502729D1 (de) | 1998-07-02 |
ATE166723T1 (de) | 1998-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |