DE69019891T2 - Optischer Transformator. - Google Patents

Optischer Transformator.

Info

Publication number
DE69019891T2
DE69019891T2 DE69019891T DE69019891T DE69019891T2 DE 69019891 T2 DE69019891 T2 DE 69019891T2 DE 69019891 T DE69019891 T DE 69019891T DE 69019891 T DE69019891 T DE 69019891T DE 69019891 T2 DE69019891 T2 DE 69019891T2
Authority
DE
Germany
Prior art keywords
optical transformer
transformer
optical
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
DE69019891T
Other languages
English (en)
Other versions
DE69019891D1 (de
Inventor
Naoki Ochi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69019891D1 publication Critical patent/DE69019891D1/de
Application granted granted Critical
Publication of DE69019891T2 publication Critical patent/DE69019891T2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
DE69019891T 1989-08-25 1990-08-22 Optischer Transformator. Expired - Fee Related DE69019891T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1217474A JP2618049B2 (ja) 1989-08-25 1989-08-25 光計器用変圧器

Publications (2)

Publication Number Publication Date
DE69019891D1 DE69019891D1 (de) 1995-07-13
DE69019891T2 true DE69019891T2 (de) 1996-03-21

Family

ID=16704804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019891T Expired - Fee Related DE69019891T2 (de) 1989-08-25 1990-08-22 Optischer Transformator.

Country Status (4)

Country Link
US (1) US5059910A (de)
EP (1) EP0414236B1 (de)
JP (1) JP2618049B2 (de)
DE (1) DE69019891T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408127A1 (de) * 1994-03-10 1995-09-14 Siemens Ag Streckenneutraler optischer Spannungssensor
GB2400172B (en) * 2003-04-05 2006-03-15 Xuekang Shan A diffractive MEMS based optial AC current sensor
JP4968121B2 (ja) * 2008-03-10 2012-07-04 富士通セミコンダクター株式会社 容量センサー
CA2814526C (en) * 2012-05-03 2017-11-21 Institut National D'optique Optical sensor for non-contact voltage measurement
ES2634647T3 (es) * 2014-07-18 2017-09-28 Siemens Aktiengesellschaft Solución redundante de salidas en un divisor de tensión RC
WO2020174522A1 (ja) * 2019-02-25 2020-09-03 日新電機株式会社 中間電極構造体、それを用いた変成器及び部分放電検出装置
CN113474859A (zh) * 2019-02-25 2021-10-01 日新电机株式会社 电压变换器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1484686A (fr) * 1966-03-16 1967-06-16 Merlin Gerin Réducteur de tension magnéto-optique
GB1219268A (en) * 1968-01-26 1971-01-13 Mullard Ltd Electric current measurer
JPS485223U (de) * 1971-05-28 1973-01-22
DE2130046C3 (de) * 1971-06-11 1975-04-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Messung von Spannungen an Hochspannungsleitern
JPS4970183A (de) * 1972-11-10 1974-07-06
DE2341074B2 (de) * 1973-08-10 1976-10-21 Siemens AG, 1000 Berlin und 8000 München Messeinrichtung fuer die spannung zwischen einem innenleiter und dem aussenrohr einer gekapselten hochspannungsschaltanlage
JPS5236245B2 (de) * 1974-05-03 1977-09-14
FR2299757A1 (fr) * 1975-01-31 1976-08-27 Alsthom Cgee Controle automatique des thyristors en fonctionnement
US4384248A (en) * 1979-06-22 1983-05-17 Hitachi, Ltd. Method and apparatus for detecting shortcircuit in arm of GTO inverter
JPS56145360A (en) * 1980-04-14 1981-11-12 Takaoka Ind Ltd Transformer
JPS5934170A (ja) * 1982-08-20 1984-02-24 Hitachi Ltd 断路器の充電電流しや断時対地絶縁検証試験法

Also Published As

Publication number Publication date
JPH0382108A (ja) 1991-04-08
JP2618049B2 (ja) 1997-06-11
EP0414236B1 (de) 1995-06-07
DE69019891D1 (de) 1995-07-13
EP0414236A3 (en) 1992-03-04
US5059910A (en) 1991-10-22
EP0414236A2 (de) 1991-02-27

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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