BR102014013899A2 - sistema e circuito de monitoramento - Google Patents

sistema e circuito de monitoramento Download PDF

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Publication number
BR102014013899A2
BR102014013899A2 BR102014013899A BR102014013899A BR102014013899A2 BR 102014013899 A2 BR102014013899 A2 BR 102014013899A2 BR 102014013899 A BR102014013899 A BR 102014013899A BR 102014013899 A BR102014013899 A BR 102014013899A BR 102014013899 A2 BR102014013899 A2 BR 102014013899A2
Authority
BR
Brazil
Prior art keywords
fiber optic
optic current
component
light
monitoring circuit
Prior art date
Application number
BR102014013899A
Other languages
English (en)
Portuguese (pt)
Inventor
Daniel Robert Wallace
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BR102014013899A2 publication Critical patent/BR102014013899A2/pt

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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
    • G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
    • G01R15/246—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect
    • 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
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2829—Testing of circuits in sensor or actuator systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
BR102014013899A 2013-06-10 2014-06-09 sistema e circuito de monitoramento BR102014013899A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/913,832 US9465052B2 (en) 2013-06-10 2013-06-10 Systems and methods for monitoring fiber optic current sensing systems

Publications (1)

Publication Number Publication Date
BR102014013899A2 true BR102014013899A2 (pt) 2015-12-29

Family

ID=50846877

Family Applications (1)

Application Number Title Priority Date Filing Date
BR102014013899A BR102014013899A2 (pt) 2013-06-10 2014-06-09 sistema e circuito de monitoramento

Country Status (7)

Country Link
US (1) US9465052B2 (cg-RX-API-DMAC7.html)
EP (1) EP2813857B1 (cg-RX-API-DMAC7.html)
JP (1) JP2014238398A (cg-RX-API-DMAC7.html)
CN (1) CN104237834A (cg-RX-API-DMAC7.html)
AU (1) AU2014203111B2 (cg-RX-API-DMAC7.html)
BR (1) BR102014013899A2 (cg-RX-API-DMAC7.html)
CA (1) CA2853451A1 (cg-RX-API-DMAC7.html)

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* Cited by examiner, † Cited by third party
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US9377489B2 (en) * 2014-04-15 2016-06-28 General Electric Company Systems and methods for monitoring fiber optic current sensing systems
CN104198869A (zh) * 2014-09-25 2014-12-10 国家电网公司 基于rtds的全光纤电流互感器实时数字仿真模型
US10197603B2 (en) * 2015-04-01 2019-02-05 General Electric Company Optical current transducer with offset cancellation and current linearization
US9405074B1 (en) * 2015-07-13 2016-08-02 General Electric Company Optical current transducer alignment
CN108287057B (zh) * 2018-01-30 2024-04-05 绵阳精恒光通讯有限公司 一种手持式光纤检测仪
CN108680887A (zh) * 2018-06-11 2018-10-19 中国电力科学研究院有限公司 一种低温光强异常故障下全光纤电流互感器准确度的方法及系统
CN109164288A (zh) * 2018-07-10 2019-01-08 北京四方继保自动化股份有限公司 光纤电流互感器的状态监测方法
US11789043B2 (en) * 2019-09-25 2023-10-17 Lumiker Aplicaciones Tecnológicas S.L. Method and apparatus for measuring the current circulating through a conductor
CN116243231B (zh) * 2023-05-08 2023-09-12 国网江西省电力有限公司电力科学研究院 考虑光源功率变化的电流互感器异常告警方法及系统

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Also Published As

Publication number Publication date
US9465052B2 (en) 2016-10-11
CA2853451A1 (en) 2014-12-10
JP2014238398A (ja) 2014-12-18
AU2014203111B2 (en) 2017-09-07
AU2014203111A1 (en) 2015-01-15
US20140361762A1 (en) 2014-12-11
EP2813857A1 (en) 2014-12-17
CN104237834A (zh) 2014-12-24
EP2813857B1 (en) 2016-08-17

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Legal Events

Date Code Title Description
B03A Publication of an application: publication of a patent application or of a certificate of addition of invention
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements