CA1022234A - Method and apparatus for detecting a defect location at an electrical conductor - Google Patents

Method and apparatus for detecting a defect location at an electrical conductor

Info

Publication number
CA1022234A
CA1022234A CA230,809A CA230809A CA1022234A CA 1022234 A CA1022234 A CA 1022234A CA 230809 A CA230809 A CA 230809A CA 1022234 A CA1022234 A CA 1022234A
Authority
CA
Canada
Prior art keywords
detecting
electrical conductor
defect location
defect
location
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
Application number
CA230,809A
Other languages
French (fr)
Inventor
Michael Vitins
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Application granted granted Critical
Publication of CA1022234A publication Critical patent/CA1022234A/en
Expired legal-status Critical Current

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
    • G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
CA230,809A 1974-07-08 1975-07-04 Method and apparatus for detecting a defect location at an electrical conductor Expired CA1022234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH936174A CH574181A5 (en) 1974-07-08 1974-07-08

Publications (1)

Publication Number Publication Date
CA1022234A true CA1022234A (en) 1977-12-06

Family

ID=4351173

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230,809A Expired CA1022234A (en) 1974-07-08 1975-07-04 Method and apparatus for detecting a defect location at an electrical conductor

Country Status (9)

Country Link
US (1) US3983377A (en)
JP (1) JPS592867B2 (en)
CA (1) CA1022234A (en)
CH (1) CH574181A5 (en)
FR (1) FR2278078A1 (en)
GB (2) GB1520294A (en)
IT (1) IT1039721B (en)
NL (1) NL7508050A (en)
SE (1) SE399131B (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH610154A5 (en) * 1975-04-28 1979-03-30 Bbc Brown Boveri & Cie
CH608916A5 (en) * 1975-04-28 1979-01-31 Bbc Brown Boveri & Cie
CH608917A5 (en) * 1975-06-05 1979-01-31 Bbc Brown Boveri & Cie
CH609180A5 (en) * 1975-06-06 1979-02-15 Bbc Brown Boveri & Cie
JPS52100149A (en) * 1976-02-18 1977-08-22 Tokyo Electric Power Co Inc:The Digital failure point evaluating unit
CH613570A5 (en) * 1976-03-25 1979-09-28 Bbc Brown Boveri & Cie
JPS5920109B2 (en) * 1978-04-03 1984-05-10 東京電力株式会社 Fault point location method
JPS592353B2 (en) * 1978-08-15 1984-01-18 東京電力株式会社 Fault point location method
JPS5830554B2 (en) * 1978-11-13 1983-06-29 東京電力株式会社 Fault point location method for power line fault detection and power line protection
US4321681A (en) * 1979-09-21 1982-03-23 Westinghouse Electric Corp. Protective relay apparatus
IN157698B (en) * 1981-04-03 1986-05-17 Gen Electric
US4398255A (en) * 1981-06-26 1983-08-09 General Electric Company Polyphase angle estimator
FR2527781A1 (en) * 1982-05-26 1983-12-02 Enertec METHOD FOR MEASURING THE DISTANCE OF A DEFECT ON A LINE WITH ACCOUNTANCE OF DISTRIBUTED CAPABILITIES
EP0098624B1 (en) * 1982-06-23 1986-01-22 BBC Aktiengesellschaft Brown, Boveri & Cie. Process for detecting faults or fault direction in electrical lines and means for carrying it out
US4578761A (en) * 1983-03-25 1986-03-25 At&T Bell Laboratories Separating an equivalent circuit into components to detect terminating networks
DE3519262A1 (en) * 1985-05-24 1986-11-27 Siemens AG, 1000 Berlin und 8000 München METHOD FOR GENERATING A TRIGGER SIGNAL DEPENDING ON THE SIZE AND DURATION OF AN OVERCURRENT
AU603871B2 (en) * 1987-03-03 1990-11-29 Mitsubishi Denki Kabushiki Kaisha Digital locator
US4931684A (en) * 1988-12-23 1990-06-05 Westinghouse Electric Corp. Digitally scanned extended electron source in vacuum
US6691051B2 (en) * 2001-08-14 2004-02-10 Tektronix, Inc. Transient distance to fault measurement
US6879917B2 (en) 2002-06-14 2005-04-12 Progress Energy Carolinas Inc. Double-ended distance-to-fault location system using time-synchronized positive-or negative-sequence quantities
US7400150B2 (en) * 2004-08-05 2008-07-15 Cannon Technologies, Inc. Remote fault monitoring in power lines
US7355412B1 (en) 2004-08-05 2008-04-08 Cannon Technologies, Inc. Remote fault monitoring system
US20070108986A1 (en) * 2005-11-17 2007-05-17 Moore Robert E Systems and methods for performing differential measurements in an electrical system
WO2008011435A2 (en) * 2006-07-17 2008-01-24 Babb Burton A High fidelity loudspeaker
BRPI0901107A2 (en) * 2009-03-05 2010-01-19 Reason Tecnologia S A Method and mechanism for identification, registration and storage of traveling wavefronts in electrical energy systems
CN102967803B (en) * 2012-12-13 2015-05-06 山东理工大学 Fault positioning method of power distribution network based on D type traveling wave principle
CN103364691B (en) * 2013-07-09 2015-09-23 上海交通大学 A kind of overhead lines combined with cable distributed fault distance-finding method
CN107607825A (en) * 2017-08-16 2018-01-19 杭州零尔电力科技有限公司 A kind of fault line selection method for single-phase-to-ground fault based on multi-frequency zero sequence electric signal
CN107807308B (en) * 2017-10-10 2020-01-10 南京南瑞继保电气有限公司 Transmission line traveling wave speed self-learning method and traveling wave distance measuring device
CN110082636B (en) * 2019-05-07 2021-02-26 哈尔滨理工大学 Power cable fault positioning method and system
CN110470946A (en) * 2019-07-22 2019-11-19 国网山西省电力公司 A kind of method for positioning failure point of power grid based on the measurement of route traveling wave
CN111679153A (en) * 2020-06-16 2020-09-18 南京南瑞继保电气有限公司 Power distribution network fault location method and system and integrated traveling wave location device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735248A (en) * 1970-03-31 1973-05-22 R Reese Apparatus having automatic re-set means for detecting a fault current
US3777129A (en) * 1972-05-22 1973-12-04 Gte Automatic Electric Lab Inc Fault detection and localization in digital systems
US3812420A (en) * 1972-12-21 1974-05-21 Gen Ind Inc Bridge circuit changing fault location method and device
US3831160A (en) * 1973-10-01 1974-08-20 Gen Electric Voltage and current monitoring system

Also Published As

Publication number Publication date
IT1039721B (en) 1979-12-10
DE2440234B2 (en) 1976-10-14
GB1520294A (en) 1978-08-02
FR2278078A1 (en) 1976-02-06
JPS592867B2 (en) 1984-01-20
US3983377A (en) 1976-09-28
DE2440234A1 (en) 1976-01-22
SE7507714L (en) 1976-01-09
GB1520629A (en) 1978-08-09
SE399131B (en) 1978-01-30
NL7508050A (en) 1976-01-12
FR2278078B1 (en) 1978-12-08
CH574181A5 (en) 1976-03-31
JPS5130944A (en) 1976-03-16

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