DE69608461D1 - Stromfühler mit kompensation für die temperaturabhängigkeit der verdet-konstante - Google Patents
Stromfühler mit kompensation für die temperaturabhängigkeit der verdet-konstanteInfo
- Publication number
- DE69608461D1 DE69608461D1 DE69608461T DE69608461T DE69608461D1 DE 69608461 D1 DE69608461 D1 DE 69608461D1 DE 69608461 T DE69608461 T DE 69608461T DE 69608461 T DE69608461 T DE 69608461T DE 69608461 D1 DE69608461 D1 DE 69608461D1
- Authority
- DE
- Germany
- Prior art keywords
- compensation
- temperature dependency
- current probe
- verdet constant
- verdet
- 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 |
---|---|---|---|
US53905995A | 1995-10-04 | 1995-10-04 | |
PCT/US1996/012079 WO1997013155A1 (en) | 1995-10-04 | 1996-07-22 | Verdet constant temperature-compensated current sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69608461D1 true DE69608461D1 (de) | 2000-06-21 |
DE69608461T2 DE69608461T2 (de) | 2001-01-18 |
Family
ID=24149583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69608461T Expired - Fee Related DE69608461T2 (de) | 1995-10-04 | 1996-07-22 | Stromfühler mit kompensation für die temperaturabhängigkeit der verdet-konstante |
Country Status (6)
Country | Link |
---|---|
US (1) | US5780847A (de) |
EP (1) | EP0853765B1 (de) |
JP (1) | JP3898760B2 (de) |
CA (1) | CA2233880C (de) |
DE (1) | DE69608461T2 (de) |
WO (1) | WO1997013155A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0947862A3 (de) * | 1998-03-31 | 2004-03-17 | Ntt Advanced Technology Corporation | Verfahren und Vorrichtung zur Aufrechterhaltung eines optischen Signals mit niedrigem Polarizationsgrad in einem spezifischen Polarisationszustand |
US6188811B1 (en) * | 1998-10-31 | 2001-02-13 | The Texas A&M Universtiy System | Fiber optic current sensor |
GB2345129A (en) * | 1998-12-21 | 2000-06-28 | Asea Brown Boveri | Optical Sensor Using Polarised Light |
US6307632B1 (en) | 1999-03-24 | 2001-10-23 | The Texas A&M University System | Magnetic field integrated fiber optic sensor with improved sensitivity |
DE10000306B4 (de) * | 2000-01-05 | 2012-05-24 | Abb Research Ltd. | Faseroptischer Stromsensor |
SE522957C2 (sv) * | 2000-09-11 | 2004-03-16 | Ericsson Telefon Ab L M | En anordning för att åstadkomma polariserat ljus |
US6630819B2 (en) | 2001-02-22 | 2003-10-07 | The University Of Chicago | Magneto-optic current sensor |
KR100395659B1 (ko) * | 2001-09-05 | 2003-08-25 | 도남시스템주식회사 | 편광모드 분산 발생기 |
EP1804066A4 (de) * | 2004-08-25 | 2008-12-31 | Tokyo Electric Power Co | Verfahren zur verringerung des temperaturabhängigen fehlers in einem fotostromsensor und fotostrom-sensoreinrichtung |
JP2007252475A (ja) * | 2006-03-22 | 2007-10-04 | Fujifilm Corp | 光断層画像化装置および光断層画像の画質調整方法 |
US7713196B2 (en) | 2007-03-09 | 2010-05-11 | Nellcor Puritan Bennett Llc | Method for evaluating skin hydration and fluid compartmentalization |
US8560059B2 (en) * | 2007-03-09 | 2013-10-15 | Covidien Lp | System and methods for optical sensing and drug delivery using microneedles |
CN100575889C (zh) * | 2007-03-22 | 2009-12-30 | 武汉光迅科技股份有限公司 | 光纤光栅温度电流传感器及其测量装置 |
CN100575959C (zh) * | 2008-04-01 | 2009-12-30 | 北京航空航天大学 | 用于光纤电流互感器的控制处理方法及装置 |
ATE532076T1 (de) * | 2009-09-30 | 2011-11-15 | Abb Research Ltd | Temperaturausgleichender glasfaserstromsensor oder glasfasermagnetfeldsensor mit unempfindlichkeit für die veränderungen von sensorparametern |
ATE554400T1 (de) | 2009-09-30 | 2012-05-15 | Abb Research Ltd | Verfahren zur herstellung eines glasfaserstromsensors mit inhärentem temperaturausgleich des faraday-effekts |
CN101995379B (zh) * | 2010-10-12 | 2012-06-27 | 南京邮电大学 | 透明溶液浓度磁光检测装置 |
RU2451941C1 (ru) * | 2010-12-27 | 2012-05-27 | Открытое акционерное общество "Научно-исследовательский институт оптико-электронного приборостроения" (ОАО "НИИ ОЭП") | Волоконно-оптический измерительный преобразователь тока |
DE112013006884T5 (de) * | 2013-03-28 | 2015-12-17 | Abb Research Ltd. | Faseroptischer Stromsensor mit gesponnener Faser und Temperaturkompensation |
US9465052B2 (en) * | 2013-06-10 | 2016-10-11 | General Electric Company | Systems and methods for monitoring fiber optic current sensing systems |
CN103792410B (zh) * | 2014-01-17 | 2016-05-04 | 北京航天时代光电科技有限公司 | 一种提高光纤电流传感器测量精度的方法 |
CN104459267B (zh) * | 2014-11-27 | 2017-05-24 | 哈尔滨理工大学 | 具有温度补偿的薄膜型全光纤电流互感器 |
CN105403763A (zh) * | 2015-11-02 | 2016-03-16 | 国家电网公司 | 一种光纤电流传感器费尔德常数温度补偿方法及装置 |
CN107101805B (zh) * | 2017-04-21 | 2019-03-12 | 北京航空航天大学 | 空芯保偏光子晶体光纤Verdet常数测量装置及方法 |
CN108845174B (zh) * | 2018-04-08 | 2021-03-30 | 哈尔滨工业大学 | 一种差分式全光纤电流互感器 |
CN111220141B (zh) * | 2020-02-25 | 2021-06-25 | 北京航空航天大学 | 一种保偏光纤环端子与集成光学芯片直接耦合的对轴方法 |
CN111812379B (zh) * | 2020-06-19 | 2021-10-15 | 华中科技大学 | 一种自补偿型光纤电流传感系统 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612500A (en) * | 1984-09-04 | 1986-09-16 | Westinghouse Electric Corp. | Temperature stabilized Faraday rotator current sensor by thermal mechanical means |
US4675522A (en) * | 1985-10-09 | 1987-06-23 | Spectron Development Laboratories, Inc. | Fiber optic magnetic field sensor |
US4988212A (en) * | 1985-10-25 | 1991-01-29 | Luxtron Corporation | Fiberoptic sensing of temperature and/or other physical parameters |
JP3175935B2 (ja) * | 1987-09-30 | 2001-06-11 | 株式会社東芝 | 光ファイバ応用センサ |
US5008611A (en) * | 1989-03-14 | 1991-04-16 | Square D Company | Method of eliminating the effects of birefringence from the detection of electric current using Faraday rotation |
US5051577A (en) * | 1990-03-20 | 1991-09-24 | Minnesota Mining And Manufacturing Company | Faraday effect current sensor having two polarizing fibers at an acute angle |
GB9104780D0 (en) * | 1991-03-07 | 1991-04-17 | Tatam Ralph P | Apparatus and methods for measuring magnetic fields and electric currents |
AU2240392A (en) * | 1991-06-20 | 1993-01-25 | Lynn B. Hales | Field of view underwater dive computer system |
JPH0778526B2 (ja) * | 1991-08-29 | 1995-08-23 | 日本碍子株式会社 | 光磁界センサ |
GB9201896D0 (en) * | 1992-01-29 | 1992-03-18 | Instr Transformers Ltd | Electric current measurement |
DE4342410A1 (de) * | 1993-12-13 | 1995-06-14 | Abb Research Ltd | Verfahren zur magnetooptischen Strommessung und magnetooptische Strommeßeinrichtung |
US5463312A (en) * | 1994-03-03 | 1995-10-31 | Minnesota Mining And Manufacturing Company | Faraday-effect sensing coil with stable birefringence |
US5416860A (en) * | 1994-08-29 | 1995-05-16 | Industrial Technology Research Institute | Method and apparatus for optically measuring electric current and/or magnetic field with temperature compensation |
-
1996
- 1996-07-22 JP JP51423697A patent/JP3898760B2/ja not_active Expired - Fee Related
- 1996-07-22 DE DE69608461T patent/DE69608461T2/de not_active Expired - Fee Related
- 1996-07-22 EP EP96927242A patent/EP0853765B1/de not_active Expired - Lifetime
- 1996-07-22 CA CA002233880A patent/CA2233880C/en not_active Expired - Fee Related
- 1996-07-22 WO PCT/US1996/012079 patent/WO1997013155A1/en active IP Right Grant
-
1997
- 1997-03-24 US US08/822,894 patent/US5780847A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69608461T2 (de) | 2001-01-18 |
EP0853765A1 (de) | 1998-07-22 |
CA2233880C (en) | 2005-04-12 |
JPH11512826A (ja) | 1999-11-02 |
WO1997013155A1 (en) | 1997-04-10 |
EP0853765B1 (de) | 2000-05-17 |
US5780847A (en) | 1998-07-14 |
JP3898760B2 (ja) | 2007-03-28 |
CA2233880A1 (en) | 1997-04-10 |
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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 |