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WO2009034742A1 - 光ファイバ電流計測装置および電流計測方法 - Google Patents

光ファイバ電流計測装置および電流計測方法 Download PDF

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Publication number
WO2009034742A1
WO2009034742A1 PCT/JP2008/057967 JP2008057967W WO2009034742A1 WO 2009034742 A1 WO2009034742 A1 WO 2009034742A1 JP 2008057967 W JP2008057967 W JP 2008057967W WO 2009034742 A1 WO2009034742 A1 WO 2009034742A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical fiber
current measuring
fiber current
measuring device
partial transmission
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
PCT/JP2008/057967
Other languages
English (en)
French (fr)
Inventor
Kiyoshi Kurosawa
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.)
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
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 Tokyo Electric Power Co Inc filed Critical Tokyo Electric Power Co Inc
Priority to JP2009532085A priority Critical patent/JP5083321B2/ja
Priority to US12/677,489 priority patent/US20100194379A1/en
Priority to CA2699017A priority patent/CA2699017A1/en
Publication of WO2009034742A1 publication Critical patent/WO2009034742A1/ja
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)

Abstract

　反射型の光ファイバ電流測定装置において、センサファイバの一端に設けた反射部（１１１Ｂ）を一部透過ミラーとして、一部透過ミラーを透過した参照信号光の強度（Ｐｒ）によって定まる規格化参照信号（Ｘｒ）を、一部透過ミラーで反射した光から得られる検出信号光の強度（Ｐｓ）によって定まる規格化検出信号（Ｘｓ）から減算することで、光源の（Ａ）発光強度の変動に起因するノイズだけでなく（Ｂ）偏光状態の変動に起因するノイズの除去を可能とした。
PCT/JP2008/057967 2007-09-10 2008-04-24 光ファイバ電流計測装置および電流計測方法 Ceased WO2009034742A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009532085A JP5083321B2 (ja) 2007-09-10 2008-04-24 光ファイバ電流計測装置および電流計測方法
US12/677,489 US20100194379A1 (en) 2007-09-10 2008-04-24 Optical fiber electric current measurement apparatus and electric current measurement method
CA2699017A CA2699017A1 (en) 2007-09-10 2008-04-24 Optical fiber electric current measurement apparatus and electric current measurement method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-234542 2007-09-10
JP2007234542 2007-09-10

Publications (1)

Publication Number Publication Date
WO2009034742A1 true WO2009034742A1 (ja) 2009-03-19

Family

ID=40451754

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057967 Ceased WO2009034742A1 (ja) 2007-09-10 2008-04-24 光ファイバ電流計測装置および電流計測方法

Country Status (4)

Country Link
US (1) US20100194379A1 (ja)
JP (1) JP5083321B2 (ja)
CA (1) CA2699017A1 (ja)
WO (1) WO2009034742A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014238398A (ja) * 2013-06-10 2014-12-18 ゼネラル・エレクトリック・カンパニイ 光ファイバ電流検知システムを監視するシステム及び方法
JP2017150890A (ja) * 2016-02-23 2017-08-31 株式会社東光高岳 光電流センサ
CN109917169A (zh) * 2019-03-15 2019-06-21 上海大学 一种基于单缝检测的光涡旋光纤电流传感器

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2703344A1 (en) * 2007-10-23 2009-04-30 The Tokyo Electric Power Company, Incorporated Optical fiber electric current sensor and electric current measurment method
JP6134092B2 (ja) * 2011-10-18 2017-05-24 セイコーエプソン株式会社 磁場計測装置
JP6309200B2 (ja) * 2013-03-26 2018-04-11 三菱重工業株式会社 雷電流計測装置及び雷電流計測方法
KR102098626B1 (ko) * 2013-10-16 2020-04-08 한국전자통신연구원 광섬유 전류 센서
WO2015083242A1 (ja) * 2013-12-03 2015-06-11 株式会社日立製作所 光源装置及び磁場計測装置
US9377489B2 (en) 2014-04-15 2016-06-28 General Electric Company Systems and methods for monitoring fiber optic current sensing systems
RU2579541C1 (ru) * 2015-02-25 2016-04-10 Открытое акционерное общество "Федеральная сетевая компания Единой энергетической системы" Измеритель напряжения на основе эффекта поккельса
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
CN106646310A (zh) * 2016-11-21 2017-05-10 国家电网公司 一种光学传感器可靠性试验系统及试验方法
CN109387803B (zh) * 2018-10-10 2020-10-27 山东理工大学 提高小电流测量精度的电流互感器信号处理系统及方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07333257A (ja) * 1994-06-09 1995-12-22 Toshiba Corp 光変流器
WO2006095619A1 (ja) * 2005-03-08 2006-09-14 The Tokyo Electric Power Company, Incorporated 強度変調型光センサおよび光電流・電圧センサ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100310374B1 (ko) * 1993-10-01 2001-12-15 칼 하인쯔 호르닝어 패러데이 효과를 이용해서 2개의 반대방향 광신호로전류를측정하기위한방법및장치
US7106919B2 (en) * 2001-12-11 2006-09-12 Lake Shore Cryotronics, Inc. Magneto-optical sensing employing phase-shifted transmission bragg gratings

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07333257A (ja) * 1994-06-09 1995-12-22 Toshiba Corp 光変流器
WO2006095619A1 (ja) * 2005-03-08 2006-09-14 The Tokyo Electric Power Company, Incorporated 強度変調型光センサおよび光電流・電圧センサ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014238398A (ja) * 2013-06-10 2014-12-18 ゼネラル・エレクトリック・カンパニイ 光ファイバ電流検知システムを監視するシステム及び方法
JP2017150890A (ja) * 2016-02-23 2017-08-31 株式会社東光高岳 光電流センサ
CN109917169A (zh) * 2019-03-15 2019-06-21 上海大学 一种基于单缝检测的光涡旋光纤电流传感器

Also Published As

Publication number Publication date
JPWO2009034742A1 (ja) 2010-12-24
US20100194379A1 (en) 2010-08-05
JP5083321B2 (ja) 2012-11-28
CA2699017A1 (en) 2009-03-19

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