EP0866975A4 - Electro-optic voltage sensor - Google Patents

Electro-optic voltage sensor

Info

Publication number
EP0866975A4
EP0866975A4 EP96944754A EP96944754A EP0866975A4 EP 0866975 A4 EP0866975 A4 EP 0866975A4 EP 96944754 A EP96944754 A EP 96944754A EP 96944754 A EP96944754 A EP 96944754A EP 0866975 A4 EP0866975 A4 EP 0866975A4
Authority
EP
European Patent Office
Prior art keywords
electro
voltage sensor
optic voltage
optic
sensor
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.)
Withdrawn
Application number
EP96944754A
Other languages
German (de)
French (fr)
Other versions
EP0866975A1 (en
Inventor
Gregory K Woods
Todd W Renak
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.)
Lockheed Idaho Technologies Co
Original Assignee
Lockheed Idaho Technologies Co
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
Priority claimed from US08/569,338 external-priority patent/US5892357A/en
Priority claimed from US08/570,152 external-priority patent/US5731579A/en
Application filed by Lockheed Idaho Technologies Co filed Critical Lockheed Idaho Technologies Co
Publication of EP0866975A1 publication Critical patent/EP0866975A1/en
Publication of EP0866975A4 publication Critical patent/EP0866975A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/07—Non contact-making probes
    • G01R1/071—Non contact-making probes containing electro-optic elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
EP96944754A 1995-12-08 1996-12-05 Electro-optic voltage sensor Withdrawn EP0866975A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US569338 1975-04-18
US08/569,338 US5892357A (en) 1995-12-08 1995-12-08 Electro-optic voltage sensor for sensing voltage in an E-field
US08/570,152 US5731579A (en) 1995-12-11 1995-12-11 Electro-optical voltage sensor head
US570152 1995-12-11
PCT/US1996/019346 WO1997022012A1 (en) 1995-12-08 1996-12-05 Electro-optic voltage sensor

Publications (2)

Publication Number Publication Date
EP0866975A1 EP0866975A1 (en) 1998-09-30
EP0866975A4 true EP0866975A4 (en) 1998-12-23

Family

ID=27075040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96944754A Withdrawn EP0866975A4 (en) 1995-12-08 1996-12-05 Electro-optic voltage sensor

Country Status (6)

Country Link
EP (1) EP0866975A4 (en)
JP (1) JP2001526770A (en)
AU (1) AU1329197A (en)
CA (1) CA2239722C (en)
MY (1) MY125659A (en)
WO (1) WO1997022012A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5534653B2 (en) * 2008-05-28 2014-07-02 株式会社東芝 Photovoltage sensor
CN109709408B (en) * 2019-03-08 2024-05-10 广东省职业病防治院 Space direct current electric field measuring equipment
IT201900019262A1 (en) * 2019-10-18 2021-04-18 Prysmian Spa Electrical cable structure analysis method and apparatus
CN113917242A (en) * 2021-09-28 2022-01-11 华中科技大学 Conductor corona discharge electric field non-intervention measurement system and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295413A1 (en) * 1987-06-09 1988-12-21 Siemens Aktiengesellschaft Mechanical probe for the optical measurement of electrical potentials
US5113131A (en) * 1990-02-16 1992-05-12 Southern California Edison Company Voltage measuring device having electro-optic sensor and compensator
WO1993012435A1 (en) * 1991-12-11 1993-06-24 Imatran Voima Oy Optical voltage and electric field sensor based on the pockels effect
EP0586226A2 (en) * 1992-08-31 1994-03-09 Ngk Insulators, Ltd. Optical voltage electric field sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1484684A (en) * 1966-03-16 1967-06-16 Merlin Gerin Electro-optical voltage reducers
US4147979A (en) * 1975-04-16 1979-04-03 Siemens Aktiengesellschaft Movable probe carrying optical waveguides with electro-optic or magneto-optic material for measuring electric or magnetic fields
US4412173A (en) * 1981-01-26 1983-10-25 The Oregon Graduate Center For Study And Research Apparatus using leakage current for measuring resistivity
EP0067683B1 (en) * 1981-06-12 1986-08-20 Kabushiki Kaisha Meidensha Electric field detector
US5113331A (en) * 1991-08-09 1992-05-12 General Motors Corporation Vehicle headlamp assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295413A1 (en) * 1987-06-09 1988-12-21 Siemens Aktiengesellschaft Mechanical probe for the optical measurement of electrical potentials
US5113131A (en) * 1990-02-16 1992-05-12 Southern California Edison Company Voltage measuring device having electro-optic sensor and compensator
WO1993012435A1 (en) * 1991-12-11 1993-06-24 Imatran Voima Oy Optical voltage and electric field sensor based on the pockels effect
EP0586226A2 (en) * 1992-08-31 1994-03-09 Ngk Insulators, Ltd. Optical voltage electric field sensor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO9722012A1 *
YAP MINYU ET AL.: "modifications of optical fiber voltage sensor", IEEE REGION 10 CONF. ON COMPUTER AND COMMUNICATION SYSTEMS, vol. 1, 24 September 1990 (1990-09-24) - 27 September 1990 (1990-09-27), hong kong, pages 109 - 110, XP000236011 *

Also Published As

Publication number Publication date
AU1329197A (en) 1997-07-03
WO1997022012A1 (en) 1997-06-19
CA2239722A1 (en) 1997-06-19
MY125659A (en) 2006-08-30
CA2239722C (en) 2003-04-29
EP0866975A1 (en) 1998-09-30
JP2001526770A (en) 2001-12-18

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Legal Events

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