JPH0245153B2 - - Google Patents

Info

Publication number
JPH0245153B2
JPH0245153B2 JP61113770A JP11377086A JPH0245153B2 JP H0245153 B2 JPH0245153 B2 JP H0245153B2 JP 61113770 A JP61113770 A JP 61113770A JP 11377086 A JP11377086 A JP 11377086A JP H0245153 B2 JPH0245153 B2 JP H0245153B2
Authority
JP
Japan
Prior art keywords
light
voltage
zero
current
detection device
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 - Lifetime
Application number
JP61113770A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62272158A (ja
Inventor
Masanori Abe
Shunzo Mase
Yoshinari Kozuka
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Priority to JP61113770A priority Critical patent/JPS62272158A/ja
Priority to US07/046,173 priority patent/US4814930A/en
Publication of JPS62272158A publication Critical patent/JPS62272158A/ja
Publication of JPH0245153B2 publication Critical patent/JPH0245153B2/ja
Granted 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP61113770A 1986-05-20 1986-05-20 検電装置 Granted JPS62272158A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP61113770A JPS62272158A (ja) 1986-05-20 1986-05-20 検電装置
US07/046,173 US4814930A (en) 1986-05-20 1987-05-05 Optical zero-phase current and zero phase voltage sensing arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61113770A JPS62272158A (ja) 1986-05-20 1986-05-20 検電装置

Publications (2)

Publication Number Publication Date
JPS62272158A JPS62272158A (ja) 1987-11-26
JPH0245153B2 true JPH0245153B2 (cg-RX-API-DMAC7.html) 1990-10-08

Family

ID=14620691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61113770A Granted JPS62272158A (ja) 1986-05-20 1986-05-20 検電装置

Country Status (2)

Country Link
US (1) US4814930A (cg-RX-API-DMAC7.html)
JP (1) JPS62272158A (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3175935B2 (ja) * 1987-09-30 2001-06-11 株式会社東芝 光ファイバ応用センサ
JPH0670653B2 (ja) * 1989-03-31 1994-09-07 日本碍子株式会社 光温度・電気量測定装置
US5365175A (en) * 1993-01-21 1994-11-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of locating ground faults
US6946827B2 (en) * 2001-11-13 2005-09-20 Nxtphase T & D Corporation Optical electric field or voltage sensing system
US7046867B2 (en) * 2003-02-14 2006-05-16 Abb Research Ltd Fiberoptic current sensor having a plurality of sensor heads
ATE365330T1 (de) * 2003-02-14 2007-07-15 Abb Research Ltd Faseroptischer stromsensor mit mehreren sensorköpfen
CN101449174B (zh) * 2006-04-04 2013-07-17 Abb研究有限公司 具有总和检测的光纤电流传感器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324393A (en) * 1963-07-26 1967-06-06 Gen Electric Magneto-optical electric current sensing arrangement
US3786311A (en) * 1973-01-02 1974-01-15 Gen Electric Circuit breaker and static trip circuit therefor
EP0067683B1 (en) * 1981-06-12 1986-08-20 Kabushiki Kaisha Meidensha Electric field detector
JPS59147274A (ja) * 1983-02-10 1984-08-23 Hitachi Ltd 光方式電界測定装置
US4578639A (en) * 1984-03-02 1986-03-25 Westinghouse Electric Corp. Metering system for measuring parameters of high AC electric energy flowing in an electric conductor
US4683421A (en) * 1985-03-29 1987-07-28 Westinghouse Electric Corp. Drift compensation technique for a magneto-optic current sensor
US4755665A (en) * 1987-07-22 1988-07-05 Square D Company Light detector and signal processing circuit

Also Published As

Publication number Publication date
US4814930A (en) 1989-03-21
JPS62272158A (ja) 1987-11-26

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