DE69424496T2 - Optischer Stromwandler - Google Patents

Optischer Stromwandler

Info

Publication number
DE69424496T2
DE69424496T2 DE69424496T DE69424496T DE69424496T2 DE 69424496 T2 DE69424496 T2 DE 69424496T2 DE 69424496 T DE69424496 T DE 69424496T DE 69424496 T DE69424496 T DE 69424496T DE 69424496 T2 DE69424496 T2 DE 69424496T2
Authority
DE
Germany
Prior art keywords
current transformer
optical current
optical
transformer
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.)
Expired - Fee Related
Application number
DE69424496T
Other languages
English (en)
Other versions
DE69424496D1 (de
Inventor
Hidenobu Koide
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of DE69424496D1 publication Critical patent/DE69424496D1/de
Application granted granted Critical
Publication of DE69424496T2 publication Critical patent/DE69424496T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
DE69424496T 1993-10-21 1994-10-19 Optischer Stromwandler Expired - Fee Related DE69424496T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26283393 1993-10-21
JP8612694 1994-04-25

Publications (2)

Publication Number Publication Date
DE69424496D1 DE69424496D1 (de) 2000-06-21
DE69424496T2 true DE69424496T2 (de) 2001-01-18

Family

ID=26427278

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424496T Expired - Fee Related DE69424496T2 (de) 1993-10-21 1994-10-19 Optischer Stromwandler

Country Status (3)

Country Link
US (1) US5488291A (de)
EP (1) EP0650066B1 (de)
DE (1) DE69424496T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007013634A1 (de) 2007-03-19 2008-09-25 Balfour Beatty Plc Vorrichtung zur Messung eines von einem Wechselstromanteil überlagerten Gleichstromanteils eines in Leitern von Wechselstrombahnen fließenden Stroms

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5780845A (en) * 1995-04-25 1998-07-14 Toshihiko Yoshino Optical current transformer
US5736737A (en) * 1995-11-22 1998-04-07 Dawson; Jay W. Concatenated magneto-optic field sensors
EP0831333A1 (de) * 1996-09-19 1998-03-25 Siemens Aktiengesellschaft Anordnung zur Erzeugung eines mehreckigen Lichtstrahls einer bestimmten Polarisation
US5935292A (en) * 1997-01-08 1999-08-10 3M Innovative Properties Company Annealing mold and retainer for making a fiber optic current sensor
US5973492A (en) * 1997-04-16 1999-10-26 Ma; Xianyun High accuracy optical current transducer thta eliminates birefringence
US7884598B2 (en) * 2007-08-30 2011-02-08 Fluke Corporation Clamp jaw assembly
EP3358359B1 (de) * 2017-02-01 2019-08-28 Siemens Aktiengesellschaft Leiterplatte mit implantiertem optischen stromsensor
DE102018216482A1 (de) * 2018-09-26 2020-03-26 Siemens Aktiengesellschaft Glasring und Verfahren für optische Strommessungen

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59659A (ja) * 1982-06-28 1984-01-05 Hitachi Ltd 磁気光学式電流測定方法及び装置
JPS58153174A (ja) * 1982-03-08 1983-09-12 Hitachi Ltd 光変流器
US4564754A (en) * 1982-03-08 1986-01-14 Hitachi, Ltd. Method and apparatus for optically measuring a current
JPS5935156A (ja) * 1982-08-23 1984-02-25 Hitachi Ltd 光変流器
JPH0619383B2 (ja) * 1984-12-21 1994-03-16 株式会社日立製作所 光方式電流測定装置
JPS6394167A (ja) * 1986-10-09 1988-04-25 Toshiba Corp 光変流器
US4745357A (en) * 1987-03-23 1988-05-17 Westinghouse Electric Corp. Optical interface for a magneto-optical current transducer
JPS6449973A (en) * 1987-08-20 1989-02-27 Tokyo Electric Power Co Optical current transformer
JPS6453169A (en) * 1987-08-24 1989-03-01 Tokyo Electric Power Co Optical current transformer
JPH0718889B2 (ja) * 1988-03-25 1995-03-06 日本碍子株式会社 光部品
JPH0225761A (ja) * 1988-07-14 1990-01-29 Toshiba Corp 光変流器
JPH0269674A (ja) * 1988-09-05 1990-03-08 Tokyo Electric Power Co Inc:The 光変流器
JPH0652273B2 (ja) * 1989-03-06 1994-07-06 東京電力株式会社 周回積分型光ｃｔ
JP2658542B2 (ja) * 1990-05-18 1997-09-30 富士電機株式会社 光変流器
EP0477415B1 (de) * 1990-09-28 1996-03-20 Asea Brown Boveri Ag Optischer Stromwandler
JPH079441B2 (ja) * 1991-03-20 1995-02-01 日本碍子株式会社 光応用センサおよびその製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007013634A1 (de) 2007-03-19 2008-09-25 Balfour Beatty Plc Vorrichtung zur Messung eines von einem Wechselstromanteil überlagerten Gleichstromanteils eines in Leitern von Wechselstrombahnen fließenden Stroms
DE202007019127U1 (de) 2007-03-19 2010-11-04 Balfour Beatty Plc Vorrichtung zur Messung eines von einem Wechselstromanteil überlagerten Gleichstromanteils eines in Leitern von Wechselstrombahnen fließenden Stroms

Also Published As

Publication number Publication date
EP0650066A1 (de) 1995-04-26
US5488291A (en) 1996-01-30
DE69424496D1 (de) 2000-06-21
EP0650066B1 (de) 2000-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee