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FI915818A0 - Optisk rf-givare foer maetning av spaenning och elfaelt. - Google Patents

Optisk rf-givare foer maetning av spaenning och elfaelt.

Info

Publication number
FI915818A0
FI915818A0 FI915818A FI915818A FI915818A0 FI 915818 A0 FI915818 A0 FI 915818A0 FI 915818 A FI915818 A FI 915818A FI 915818 A FI915818 A FI 915818A FI 915818 A0 FI915818 A0 FI 915818A0
Authority
FI
Finland
Prior art keywords
crystal
optical
electric field
spaenning
elfaelt
Prior art date
Application number
FI915818A
Other languages
English (en)
Inventor
Marja Englund
Original Assignee
Imatran Voima Oy
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 Imatran Voima Oy filed Critical Imatran Voima Oy
Priority to FI915818A priority Critical patent/FI915818A0/fi
Publication of FI915818A0 publication Critical patent/FI915818A0/fi
Priority to EP92924737A priority patent/EP0641444B1/en
Priority to AT92924737T priority patent/ATE166462T1/de
Priority to AU30877/92A priority patent/AU3087792A/en
Priority to CA002125395A priority patent/CA2125395C/en
Priority to JP5510647A priority patent/JPH07501888A/ja
Priority to DE69225611T priority patent/DE69225611T2/de
Priority to PCT/FI1992/000326 priority patent/WO1993012435A1/en
Priority to FI942740A priority patent/FI107472B/fi
Priority to US08/583,843 priority patent/US5635831A/en

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
    • G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
    • G01R15/242—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption based on the Pockels effect, i.e. linear electro-optic effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Materials For Photolithography (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
FI915818A 1991-12-11 1991-12-11 Optisk rf-givare foer maetning av spaenning och elfaelt. FI915818A0 (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI915818A FI915818A0 (fi) 1991-12-11 1991-12-11 Optisk rf-givare foer maetning av spaenning och elfaelt.
EP92924737A EP0641444B1 (en) 1991-12-11 1992-11-30 Optical voltage and electric field sensor based on the pockels effect
AT92924737T ATE166462T1 (de) 1991-12-11 1992-11-30 Optischer spannungs- und elektrischer feld-sensor nach pockels-effekt wirkend
AU30877/92A AU3087792A (en) 1991-12-11 1992-11-30 Optical voltage and electric field sensor based on the pockels effect
CA002125395A CA2125395C (en) 1991-12-11 1992-11-30 Optical voltage and electric field sensor based on the pockels effect
JP5510647A JPH07501888A (ja) 1991-12-11 1992-11-30 ポッケルス効果に基づく光電圧及び電界センサ
DE69225611T DE69225611T2 (de) 1991-12-11 1992-11-30 Optischer spannungs- und elektrischer feld-sensor nach pockels-effekt wirkend
PCT/FI1992/000326 WO1993012435A1 (en) 1991-12-11 1992-11-30 Optical voltage and electric field sensor based on the pockels effect
FI942740A FI107472B (fi) 1991-12-11 1994-06-10 Pockels-ilmiöön perustava optinen anturi jännitteen ja sähkökentän mittaamista varten
US08/583,843 US5635831A (en) 1991-12-11 1996-01-11 Optical voltage and electric field sensor based on the pockels effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI915818A FI915818A0 (fi) 1991-12-11 1991-12-11 Optisk rf-givare foer maetning av spaenning och elfaelt.

Publications (1)

Publication Number Publication Date
FI915818A0 true FI915818A0 (fi) 1991-12-11

Family

ID=8533646

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915818A FI915818A0 (fi) 1991-12-11 1991-12-11 Optisk rf-givare foer maetning av spaenning och elfaelt.

Country Status (8)

Country Link
EP (1) EP0641444B1 (fi)
JP (1) JPH07501888A (fi)
AT (1) ATE166462T1 (fi)
AU (1) AU3087792A (fi)
CA (1) CA2125395C (fi)
DE (1) DE69225611T2 (fi)
FI (1) FI915818A0 (fi)
WO (1) WO1993012435A1 (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2239722C (en) * 1995-12-08 2003-04-29 Lockheed Idaho Technologies Company Electro-optic voltage sensor
US5892357A (en) * 1995-12-08 1999-04-06 Lockheed Martin Idaho Technologies Company Electro-optic voltage sensor for sensing voltage in an E-field
US5939711A (en) * 1995-12-11 1999-08-17 Lockheed Martin Idaho Technologies Company Electro-optic voltage sensor head
DE19634251A1 (de) * 1996-08-26 1998-03-05 Abb Patent Gmbh Spannungswandler
DE19719970A1 (de) * 1997-05-13 1998-11-19 Siemens Ag Generator und Verfahren zur Messung einer Generatorspannung
US6388434B1 (en) 2000-01-17 2002-05-14 Bechtel Bwxt Idaho, Llc Electro-optic high voltage sensor
KR100448311B1 (ko) * 2002-04-11 2004-09-16 이규대 전류 측정 장치
EP1462811A1 (de) * 2003-03-28 2004-09-29 Abb Research Ltd. Elektrooptischer Spannungssensor für hohe Spannungen
US9093867B2 (en) 2011-09-23 2015-07-28 Eaton Corporation Power system including an electret for a power bus
US8791831B2 (en) 2011-09-23 2014-07-29 Eaton Corporation System including an indicator responsive to an electret for a power bus
JP6192890B2 (ja) * 2011-11-25 2017-09-06 東芝三菱電機産業システム株式会社 表面電位分布計測装置および表面電位分布計測方法
US10041980B2 (en) * 2014-06-06 2018-08-07 Toshiba Mitsubishi-Electric Industrial Systems Corporation Three-dimensional surface potential distribution measurement apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3740468A1 (de) * 1987-11-28 1989-06-08 Kernforschungsz Karlsruhe Vorrichtung zur beruehrungslosen messung statischer und/oder zeitlich veraenderlicher elektrischer felder

Also Published As

Publication number Publication date
DE69225611T2 (de) 1998-11-26
JPH07501888A (ja) 1995-02-23
WO1993012435A1 (en) 1993-06-24
CA2125395A1 (en) 1993-06-24
ATE166462T1 (de) 1998-06-15
EP0641444B1 (en) 1998-05-20
AU3087792A (en) 1993-07-19
CA2125395C (en) 1999-07-13
EP0641444A1 (en) 1995-03-08
DE69225611D1 (de) 1998-06-25

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