CA2239722A1 - Voltmetre electro-optique - Google Patents

Voltmetre electro-optique

Info

Publication number
CA2239722A1
CA2239722A1 CA002239722A CA2239722A CA2239722A1 CA 2239722 A1 CA2239722 A1 CA 2239722A1 CA 002239722 A CA002239722 A CA 002239722A CA 2239722 A CA2239722 A CA 2239722A CA 2239722 A1 CA2239722 A1 CA 2239722A1
Authority
CA
Canada
Prior art keywords
voltage
sensor
electro
signals
processor
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.)
Granted
Application number
CA002239722A
Other languages
English (en)
Other versions
CA2239722C (fr
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
Individual
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 Individual filed Critical Individual
Priority to CA002401771A priority Critical patent/CA2401771C/fr
Publication of CA2239722A1 publication Critical patent/CA2239722A1/fr
Application granted granted Critical
Publication of CA2239722C publication Critical patent/CA2239722C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
CA002239722A 1995-12-08 1996-12-05 Voltmetre electro-optique Expired - Lifetime CA2239722C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002401771A CA2401771C (fr) 1995-12-08 1996-12-05 Voltmetre electro-optique

Applications Claiming Priority (5)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002401771A Division CA2401771C (fr) 1995-12-08 1996-12-05 Voltmetre electro-optique

Publications (2)

Publication Number Publication Date
CA2239722A1 true CA2239722A1 (fr) 1997-06-19
CA2239722C CA2239722C (fr) 2003-04-29

Family

ID=27075040

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002239722A Expired - Lifetime CA2239722C (fr) 1995-12-08 1996-12-05 Voltmetre electro-optique

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5534653B2 (ja) * 2008-05-28 2014-07-02 株式会社東芝 光電圧センサ
CN109709408B (zh) * 2019-03-08 2024-05-10 广东省职业病防治院 空间直流电场测量设备
IT201900019262A1 (it) * 2019-10-18 2021-04-18 Prysmian Spa Electrical cable structure analysis method and apparatus
CN113917242A (zh) * 2021-09-28 2022-01-11 华中科技大学 一种导体电晕放电电场非介入测量系统及其应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1484684A (fr) * 1966-03-16 1967-06-16 Merlin Gerin Réducteurs de tension électro-optiques
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
DE3272713D1 (en) * 1981-06-12 1986-09-25 Meidensha Electric Mfg Co Ltd Electric field detector
US4908568A (en) * 1987-06-09 1990-03-13 Siemens Aktiengesellschaft Mechanical probe for 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
US5113331A (en) * 1991-08-09 1992-05-12 General Motors Corporation Vehicle headlamp assembly
FI915818A0 (fi) * 1991-12-11 1991-12-11 Imatran Voima Oy Optisk rf-givare foer maetning av spaenning och elfaelt.
JP2521395B2 (ja) * 1992-08-31 1996-08-07 日本碍子株式会社 光学式電圧・電界センサ

Also Published As

Publication number Publication date
AU1329197A (en) 1997-07-03
CA2239722C (fr) 2003-04-29
EP0866975A1 (fr) 1998-09-30
JP2001526770A (ja) 2001-12-18
WO1997022012A1 (fr) 1997-06-19
EP0866975A4 (fr) 1998-12-23
MY125659A (en) 2006-08-30

Similar Documents

Publication Publication Date Title
AU4466389A (en) Proximity detector
US6388434B1 (en) Electro-optic high voltage sensor
US5034679A (en) Polarization feedback control of polarization rotating sensor
CA2160472A1 (fr) Methode optique pour la mesure d'un courant alternatif avec compensation thermique; le dispositif correspondant
CA2257920A1 (fr) Capteurs tactiles differentiels et leur circuit de commande
AU2600397A (en) Using resin age factor to obtain measurements of improved accuracy of one or more polymer properties with an on-line nmr system
DK0937231T3 (da) Grænselag-niveaumåling
CA2295047A1 (fr) Detecteur de position
EP0343590A3 (en) Eddy current probe
US4489313A (en) Signal direction determining system and directional loop antenna array therefor
CA2113836A1 (fr) Methode et appareil pour identifier les objets en utilisant un signal combine et un detecteur employant la technique de couplage par electricite statique
JP4127413B2 (ja) 電圧を測定するための方法と装置
CA2239722A1 (fr) Voltmetre electro-optique
WO1997021108A3 (fr) Procede et dispositif de mesure optique pour mesurer un champ alternatif magnetique avec normalisation d'intensite
CA2401771A1 (fr) Voltmetre electro-optique
EP0675351A3 (fr) Procédé de détermination dans un fibre optique la longeur d'ondes pour laquelle il y n'a pas de dispersion.
NO930548D0 (no) Fremgangsmaate og anordning for aa overvaake tilstanden for en mottakerantenne
RU2070717C1 (ru) Базисный фотометр
SE8901466D0 (sv) Polarimeter
ES2091956T3 (es) Detector de blancos mejorado que elimina la sensibilidad a corta distancia.
JPS5520454A (en) Testing unit of light transmitting object dependent upon laser
WO1998041879A3 (fr) Systeme de mesure a antenne
WO2000037953A1 (fr) Sondes optiques
NO922547D0 (no) Bestemmelse av amplitude og fase i reflektometriske maaleoppstillinger
SE7711967L (sv) For elektromagnetisk stralning kenslig mottagare

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20161205