BR8503012A - Um sistema e dispositivo para a localizacao de falhas na ligacao a terra de equipamentos eletricos - Google Patents

Um sistema e dispositivo para a localizacao de falhas na ligacao a terra de equipamentos eletricos

Info

Publication number
BR8503012A
BR8503012A BR8503012A BR8503012A BR8503012A BR 8503012 A BR8503012 A BR 8503012A BR 8503012 A BR8503012 A BR 8503012A BR 8503012 A BR8503012 A BR 8503012A BR 8503012 A BR8503012 A BR 8503012A
Authority
BR
Brazil
Prior art keywords
electrical equipment
fault location
earth connection
earth
fault
Prior art date
Application number
BR8503012A
Other languages
English (en)
Inventor
Koshi Itaka
Keishi Fujieda
Takushi Hara
Kazashi Nakamura
Original Assignee
Sumitomo Electric Industries
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 Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of BR8503012A publication Critical patent/BR8503012A/pt

Links

Classifications

    • 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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
BR8503012A 1984-06-18 1985-06-18 Um sistema e dispositivo para a localizacao de falhas na ligacao a terra de equipamentos eletricos BR8503012A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59125790A JPS613075A (ja) 1984-06-18 1984-06-18 送電線用事故区間判別装置

Publications (1)

Publication Number Publication Date
BR8503012A true BR8503012A (pt) 1986-03-11

Family

ID=14918928

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8503012A BR8503012A (pt) 1984-06-18 1985-06-18 Um sistema e dispositivo para a localizacao de falhas na ligacao a terra de equipamentos eletricos

Country Status (4)

Country Link
EP (1) EP0165803A3 (pt)
JP (1) JPS613075A (pt)
AU (1) AU580603B2 (pt)
BR (1) BR8503012A (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2551564B2 (ja) * 1986-09-16 1996-11-06 住友電気工業株式会社 電力設備用事故区間検出装置
US5243293A (en) * 1989-05-29 1993-09-07 Ngk Insulators, Ltd. System utilizing optical current sensors for detecting fault location in substation
US5136248A (en) * 1990-01-29 1992-08-04 Niagara Mohawk Power Corporation Method and detector for identifying insulator flashover
JPH03295478A (ja) * 1990-04-13 1991-12-26 Mitsubishi Electric Corp 電力系統の故障点検出装置
US5178465A (en) * 1990-07-11 1993-01-12 Fujikura Ltd. Optical fiber laying structure for electric power cable line trouble occurrence location detecting system
US5194816A (en) * 1990-10-19 1993-03-16 Westinghouse Electric Corp. Method and apparatus for locating electrical shorts between concealed conductive objects
WO2000031556A1 (en) * 1998-11-23 2000-06-02 Orton Harry E Method for diagnosing insulation degradation in underground cable
CA2291939C (en) 1999-12-08 2008-12-30 Harry E. Orton Method for diagnosing degradation in aircraft wiring
EP2216868A1 (en) * 2009-02-05 2010-08-11 ABB Technology AG Measurement device adapted for detecting an arc discharge and method for detecting an arc discharge
US20120299603A1 (en) * 2011-05-25 2012-11-29 Electric Power Research Institute, Inc. On-line monitoring system of insulation losses for underground power cables
JP2013057581A (ja) * 2011-09-08 2013-03-28 Mitsubishi Electric Corp 評価基板
DE102014207376A1 (de) * 2014-04-17 2015-10-22 Siemens Aktiengesellschaft Elektrische Maschine mit Magnetfeldsensor zur Läuferkurzschlusserkennung
GB201505082D0 (en) * 2015-03-25 2015-05-06 Optasense Holdings Ltd Detecting failure locations in power cables
CN107884681B (zh) * 2017-11-14 2021-02-23 南京工程学院 Gil管道内部故障监测定位系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1440676A (en) * 1975-06-05 1977-12-01 Gen Electric Co Ltd Magneto-optical transducers
US4428017A (en) * 1980-06-10 1984-01-24 Westinghouse Electric Corp. Electric motor and transformer load sensing technique
US4363061A (en) * 1980-06-10 1982-12-07 Westinghouse Electric Corp. Electric motor and transformer load sensing technique
JPS5897669A (ja) * 1981-12-07 1983-06-10 Sumitomo Electric Ind Ltd 磁界−光変換器
JPS58143275A (ja) * 1982-02-19 1983-08-25 Nissin Electric Co Ltd 電流変成装置
AT374983B (de) * 1982-06-03 1984-06-25 Aeg Telefunken Oesterr Selektive erdschlusschutzschaltung fuer eine hochspannungskabelstrecke

Also Published As

Publication number Publication date
EP0165803A3 (en) 1987-04-15
JPS613075A (ja) 1986-01-09
AU580603B2 (en) 1989-01-19
EP0165803A2 (en) 1985-12-27
JPH0367231B2 (pt) 1991-10-22
AU4363985A (en) 1986-01-02

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 18/06/2000

B15K Others concerning applications: alteration of classification

Ipc: G01R 31/08 (2006.01), G01R 15/24 (2006.0