HK1167462A1 - Electric current measuring instrument - Google Patents
Electric current measuring instrumentInfo
- Publication number
- HK1167462A1 HK1167462A1 HK12107977.8A HK12107977A HK1167462A1 HK 1167462 A1 HK1167462 A1 HK 1167462A1 HK 12107977 A HK12107977 A HK 12107977A HK 1167462 A1 HK1167462 A1 HK 1167462A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- electric current
- measuring instrument
- current measuring
- instrument
- electric
- Prior art date
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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/32—Compensating for temperature change
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009139634A JP5756966B2 (ja) | 2009-05-21 | 2009-05-21 | 電流測定装置 |
PCT/JP2010/003348 WO2010134327A1 (ja) | 2009-05-21 | 2010-05-18 | 電流測定装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1167462A1 true HK1167462A1 (en) | 2012-11-30 |
Family
ID=43126020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK12107977.8A HK1167462A1 (en) | 2009-05-21 | 2012-08-15 | Electric current measuring instrument |
Country Status (8)
Country | Link |
---|---|
US (1) | US8957667B2 (xx) |
EP (1) | EP2434301B1 (xx) |
JP (1) | JP5756966B2 (xx) |
CN (1) | CN102422168B (xx) |
CA (1) | CA2762350C (xx) |
HK (1) | HK1167462A1 (xx) |
RU (1) | RU2536334C2 (xx) |
WO (1) | WO2010134327A1 (xx) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2650615C2 (ru) * | 2013-03-07 | 2018-04-16 | Адамант Ко., Лтд. | Устройство для измерения электрического тока |
US9746500B2 (en) * | 2013-12-11 | 2017-08-29 | Eaton Corporation | Electrical current sensing apparatus |
WO2015091972A1 (en) | 2013-12-20 | 2015-06-25 | Abb Technology Ag | Fiber-optic sensor and method |
CN104820295B (zh) * | 2014-01-30 | 2020-04-28 | 奥普林克通信公司 | 无热法拉第旋转器反射镜 |
CN104880763A (zh) * | 2014-02-28 | 2015-09-02 | 苏州福瑞互感器有限公司 | 测量大电流传感器的氧化铅掺杂石英光纤的制备方法 |
EP3104183A1 (en) * | 2015-06-10 | 2016-12-14 | Lumiker Aplicaciones Tecnologicas S.L. | Current measuring equipment based on optical fiber for measuring the current circulating through a conductor and the associated method |
CN107091950B (zh) * | 2016-02-16 | 2021-01-19 | 姚晓天 | 基于光学传感原理集成了温度传感的反射式电流和磁场传感器 |
JP6726033B2 (ja) * | 2016-06-01 | 2020-07-22 | 九電テクノシステムズ株式会社 | 電流検出装置 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129372A (ja) * | 1982-01-29 | 1983-08-02 | Sumitomo Electric Ind Ltd | 磁界−光変換器 |
JPS59107273A (ja) | 1982-12-10 | 1984-06-21 | Mitsubishi Electric Corp | 光電流・磁界センサ |
JPS62865A (ja) * | 1985-06-26 | 1987-01-06 | Hitachi Ltd | 光方式電流変成器 |
JPS6270776A (ja) * | 1985-09-25 | 1987-04-01 | Sumitomo Electric Ind Ltd | 磁界センサ |
JPH01121817A (ja) * | 1987-11-06 | 1989-05-15 | Hitachi Ltd | 光アイソレータ |
JPH0231171A (ja) * | 1988-07-20 | 1990-02-01 | Ngk Insulators Ltd | 光電流・磁界センサ |
ES2052135T3 (es) * | 1989-12-01 | 1994-07-01 | Asea Brown Boveri | Transformador de corriente de fibra optica. |
US5640516A (en) * | 1991-04-02 | 1997-06-17 | Tdk Corporation | Faraday rotator |
JPH062865A (ja) * | 1992-06-19 | 1994-01-11 | World Kogyo Kk | 電気レンジの施錠装置 |
US6055081A (en) * | 1995-03-15 | 2000-04-25 | Sumitomo Electric Industries, Ltd. | Chromatic dispersion compensator and chromatic dispersion compensating optical communication system |
JP3488576B2 (ja) * | 1996-08-30 | 2004-01-19 | 株式会社東芝 | 光変流器 |
RU2120128C1 (ru) * | 1997-06-26 | 1998-10-10 | Научно-исследовательский институт импульсной техники | Устройство для измерения сверхбольших токов |
US6188811B1 (en) * | 1998-10-31 | 2001-02-13 | The Texas A&M Universtiy System | Fiber optic current sensor |
JP2001051246A (ja) * | 1999-05-28 | 2001-02-23 | Shin Etsu Chem Co Ltd | ファラデー回転子とそれを使用した磁気光学素子 |
EP1055957A3 (en) | 1999-05-28 | 2004-03-10 | Shin-Etsu Chemical Company, Ltd. | Faraday rotator and magneto-optical element using the same |
DE10000306B4 (de) * | 2000-01-05 | 2012-05-24 | Abb Research Ltd. | Faseroptischer Stromsensor |
US7176671B2 (en) * | 2002-03-01 | 2007-02-13 | The Tokoyo Electric Power Company, Inc | Current measuring device |
JP4092142B2 (ja) * | 2002-06-14 | 2008-05-28 | 株式会社東芝 | 光電圧測定装置、電力又は電力量測定装置及び電気機器の保護システム |
EP1804066A4 (en) * | 2004-08-25 | 2008-12-31 | Tokyo Electric Power Co | METHOD OF REDUCING THE DEPENDENT ERROR OF TEMPERATURE IN A PHOTOCOURANT DETECTOR, AND A PHOTOCOURANT DETECTION DEVICE |
TWI278638B (en) * | 2005-09-20 | 2007-04-11 | Hermann Lin | Fiber-optics multiplexed interferometric current sensor |
CA2656420A1 (en) * | 2006-06-29 | 2008-01-03 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic sensor using a bragg fiber |
KR20080112770A (ko) * | 2007-06-22 | 2008-12-26 | 창원대학교 산학협력단 | 전력기기용 고안정성 광섬유전류센서의 광 신호처리기 |
CA2703344A1 (en) * | 2007-10-23 | 2009-04-30 | The Tokyo Electric Power Company, Incorporated | Optical fiber electric current sensor and electric current measurment method |
JP5904694B2 (ja) * | 2009-12-10 | 2016-04-20 | 株式会社東芝 | サニャック干渉型光電流センサ |
-
2009
- 2009-05-21 JP JP2009139634A patent/JP5756966B2/ja active Active
-
2010
- 2010-05-18 RU RU2011152197/28A patent/RU2536334C2/ru not_active IP Right Cessation
- 2010-05-18 WO PCT/JP2010/003348 patent/WO2010134327A1/ja active Application Filing
- 2010-05-18 EP EP10777565.2A patent/EP2434301B1/en active Active
- 2010-05-18 US US13/321,396 patent/US8957667B2/en active Active
- 2010-05-18 CN CN201080020512.4A patent/CN102422168B/zh active Active
- 2010-05-18 CA CA2762350A patent/CA2762350C/en active Active
-
2012
- 2012-08-15 HK HK12107977.8A patent/HK1167462A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2762350A1 (en) | 2010-11-25 |
RU2536334C2 (ru) | 2014-12-20 |
CN102422168B (zh) | 2014-11-12 |
JP2010271292A (ja) | 2010-12-02 |
CN102422168A (zh) | 2012-04-18 |
WO2010134327A1 (ja) | 2010-11-25 |
EP2434301A1 (en) | 2012-03-28 |
EP2434301A4 (en) | 2017-08-30 |
EP2434301B1 (en) | 2023-06-28 |
RU2011152197A (ru) | 2013-06-27 |
JP5756966B2 (ja) | 2015-07-29 |
US8957667B2 (en) | 2015-02-17 |
CA2762350C (en) | 2017-07-04 |
US20120091991A1 (en) | 2012-04-19 |
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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) |
Effective date: 20180518 |