JP5461347B2 - 電気機器用光変流器 - Google Patents

電気機器用光変流器 Download PDF

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Publication number
JP5461347B2
JP5461347B2 JP2010193653A JP2010193653A JP5461347B2 JP 5461347 B2 JP5461347 B2 JP 5461347B2 JP 2010193653 A JP2010193653 A JP 2010193653A JP 2010193653 A JP2010193653 A JP 2010193653A JP 5461347 B2 JP5461347 B2 JP 5461347B2
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JP
Japan
Prior art keywords
optical
current transformer
optical fiber
conductor
current
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.)
Active
Application number
JP2010193653A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012052837A (ja
Inventor
英昭 内山
偉 張
達史 山口
大五郎 塩澤
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.)
Hitachi Ltd
Toko Electric Corp
Original Assignee
Hitachi Ltd
Toko Electric Corp
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 Hitachi Ltd, Toko Electric Corp filed Critical Hitachi Ltd
Priority to JP2010193653A priority Critical patent/JP5461347B2/ja
Priority to KR1020137003308A priority patent/KR101366259B1/ko
Priority to PCT/JP2011/068337 priority patent/WO2012029524A1/ja
Priority to CN201180038831.2A priority patent/CN103109195B/zh
Priority to TW100128155A priority patent/TWI432739B/zh
Publication of JP2012052837A publication Critical patent/JP2012052837A/ja
Application granted granted Critical
Publication of JP5461347B2 publication Critical patent/JP5461347B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Gas-Insulated Switchgears (AREA)
JP2010193653A 2010-08-31 2010-08-31 電気機器用光変流器 Active JP5461347B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2010193653A JP5461347B2 (ja) 2010-08-31 2010-08-31 電気機器用光変流器
KR1020137003308A KR101366259B1 (ko) 2010-08-31 2011-08-04 전기기기용 광변류기
PCT/JP2011/068337 WO2012029524A1 (ja) 2010-08-31 2011-08-04 電気機器用光変流器
CN201180038831.2A CN103109195B (zh) 2010-08-31 2011-08-04 电气设备用光变流器
TW100128155A TWI432739B (zh) 2010-08-31 2011-08-08 Optical converter for electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010193653A JP5461347B2 (ja) 2010-08-31 2010-08-31 電気機器用光変流器

Publications (2)

Publication Number Publication Date
JP2012052837A JP2012052837A (ja) 2012-03-15
JP5461347B2 true JP5461347B2 (ja) 2014-04-02

Family

ID=45772629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010193653A Active JP5461347B2 (ja) 2010-08-31 2010-08-31 電気機器用光変流器

Country Status (5)

Country Link
JP (1) JP5461347B2 (ko)
KR (1) KR101366259B1 (ko)
CN (1) CN103109195B (ko)
TW (1) TWI432739B (ko)
WO (1) WO2012029524A1 (ko)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618567A (ja) * 1992-04-07 1994-01-25 Nissin Electric Co Ltd 光ファイバ電流センサ
JP3166987B2 (ja) * 1992-07-14 2001-05-14 マツダ株式会社 電流センサ
JP3219951B2 (ja) * 1994-12-21 2001-10-15 東京電力株式会社 電流測定装置
JP3488565B2 (ja) * 1996-01-22 2004-01-19 株式会社東芝 光応用測定装置とその製造方法
JPH09215135A (ja) * 1996-02-07 1997-08-15 Hitachi Ltd ガス絶縁機器及び絶縁スペーサ
JPH10142265A (ja) * 1996-11-13 1998-05-29 Mitsubishi Electric Corp 光変流器
JPH1175693A (ja) * 1997-09-04 1999-03-23 Duskin Co Ltd 冷温コーヒー飲料
JP2000314751A (ja) * 1999-03-04 2000-11-14 Mitsubishi Electric Corp 光変成器

Also Published As

Publication number Publication date
TWI432739B (zh) 2014-04-01
KR20130029812A (ko) 2013-03-25
WO2012029524A1 (ja) 2012-03-08
CN103109195B (zh) 2015-06-10
KR101366259B1 (ko) 2014-02-20
TW201209421A (en) 2012-03-01
JP2012052837A (ja) 2012-03-15
CN103109195A (zh) 2013-05-15

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