GB2469706B - System and method for locating insulation faults - Google Patents

System and method for locating insulation faults

Info

Publication number
GB2469706B
GB2469706B GB1001420.7A GB201001420A GB2469706B GB 2469706 B GB2469706 B GB 2469706B GB 201001420 A GB201001420 A GB 201001420A GB 2469706 B GB2469706 B GB 2469706B
Authority
GB
United Kingdom
Prior art keywords
insulation faults
locating insulation
locating
faults
insulation
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 - Fee Related
Application number
GB1001420.7A
Other versions
GB2469706A (en
GB201001420D0 (en
Inventor
Christopher John Hodges
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.)
Schneider Electric Ltd
Original Assignee
Schneider Electric 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 Schneider Electric Ltd filed Critical Schneider Electric Ltd
Priority to GB1401827.9A priority Critical patent/GB2507895B/en
Priority to GB1401826.1A priority patent/GB2507894B/en
Publication of GB201001420D0 publication Critical patent/GB201001420D0/en
Publication of GB2469706A publication Critical patent/GB2469706A/en
Application granted granted Critical
Publication of GB2469706B publication Critical patent/GB2469706B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • 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
    • 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
GB1001420.7A 2009-04-24 2010-01-29 System and method for locating insulation faults Expired - Fee Related GB2469706B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1401827.9A GB2507895B (en) 2009-04-24 2010-01-29 System and method for locating insulation faults
GB1401826.1A GB2507894B (en) 2009-04-24 2010-01-29 System and method for locating insulation faults

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0907085.5A GB0907085D0 (en) 2009-04-24 2009-04-24 System and method for locating earth faults

Publications (3)

Publication Number Publication Date
GB201001420D0 GB201001420D0 (en) 2010-03-17
GB2469706A GB2469706A (en) 2010-10-27
GB2469706B true GB2469706B (en) 2014-06-18

Family

ID=40774928

Family Applications (4)

Application Number Title Priority Date Filing Date
GBGB0907085.5A Ceased GB0907085D0 (en) 2009-04-24 2009-04-24 System and method for locating earth faults
GB1001420.7A Expired - Fee Related GB2469706B (en) 2009-04-24 2010-01-29 System and method for locating insulation faults
GB1401827.9A Expired - Fee Related GB2507895B (en) 2009-04-24 2010-01-29 System and method for locating insulation faults
GB1401826.1A Expired - Fee Related GB2507894B (en) 2009-04-24 2010-01-29 System and method for locating insulation faults

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0907085.5A Ceased GB0907085D0 (en) 2009-04-24 2009-04-24 System and method for locating earth faults

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB1401827.9A Expired - Fee Related GB2507895B (en) 2009-04-24 2010-01-29 System and method for locating insulation faults
GB1401826.1A Expired - Fee Related GB2507894B (en) 2009-04-24 2010-01-29 System and method for locating insulation faults

Country Status (1)

Country Link
GB (4) GB0907085D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103376388A (en) * 2012-04-20 2013-10-30 北京维益埃电气股份有限公司 Device for testing cable
RU2645774C1 (en) * 2017-02-13 2018-02-28 Сергей Григорьевич Кузовников Device for diagnostics of overhead power lines
GB2600207B (en) * 2021-06-18 2023-05-10 Viper Innovations Ltd Remote calculation of earth connection impedance

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210218A (en) * 1987-09-17 1989-06-01 Iberduero Sa Fault locator in an electrical power transmission system
JP2000292475A (en) * 1999-03-31 2000-10-20 Miwa Electric Co Ltd Method and apparatus for detecting ground fault accident of underground branch transmission line nd apparatus
US6539287B1 (en) * 1999-05-19 2003-03-25 Mitsubishi Denki Kabushiki Kaisha Distribution control system capable of isolating fault section without using time limited sequential shift function
WO2004079378A1 (en) * 2003-03-05 2004-09-16 Jan Berggren Detection of earth faults in three phase systems
EP1669767A1 (en) * 2004-12-10 2006-06-14 General Electric Company System and method of locating ground fault in electrical power distribution system
US20070081281A1 (en) * 2005-10-12 2007-04-12 Chevron U.S.A. Inc. Ground-fault circuit-interrupter system for three-phase electrical power systems
EP1890165A2 (en) * 2006-06-23 2008-02-20 Schneider Electric Industries Sas Method of directional detection of a fault in the ground connection and device for implementing same
WO2008072226A2 (en) * 2006-12-11 2008-06-19 Electrical Grid Monitoring Ltd. Fault prediction in electric transmission networks
EP2313791A1 (en) * 2008-07-18 2011-04-27 ABB Technology AG Method and device for fault location of series-compensated transmission line

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2576299B2 (en) * 1991-03-07 1997-01-29 株式会社日立製作所 Distribution line micro-ground fault detector
JPH04334928A (en) * 1991-05-10 1992-11-24 Yaskawa Electric Corp Detecting method for ground-fault position of power distribution line
JPH05264637A (en) * 1992-03-17 1993-10-12 Ngk Insulators Ltd Device for detecting disconnection of strand of overhead earth-wire
US5644238A (en) * 1995-06-07 1997-07-01 Seifert; Gregory J. Method and apparatus for comparing load current in an electrical circuit with the capacity of its supply source
JPH11202017A (en) * 1998-01-19 1999-07-30 Furukawa Electric Co Ltd:The Operation confirming method of fault point orientating apparatus for power cable line
DE102004008994B4 (en) * 2004-02-20 2005-12-22 Becker, Wolf, Dipl.-Ing. Error diagnosis process in high voltage networks determines error affected phase then earths a non affected phase and finds distance to the fault by impedance measurement
CN201004074Y (en) * 2007-02-13 2008-01-09 武汉中原电子信息公司 Multi-functional power theft prevention real time measurement and recording device
DE112007003573A5 (en) * 2007-05-08 2010-04-15 Siemens Aktiengesellschaft A method for determining an earth impedance indicative setting value and measuring device
DE502007005807D1 (en) * 2007-07-24 2011-01-05 Siemens Ag PROCEDURE FOR LOCATING A ERD ERROR AFTER THE DISTANCE

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210218A (en) * 1987-09-17 1989-06-01 Iberduero Sa Fault locator in an electrical power transmission system
JP2000292475A (en) * 1999-03-31 2000-10-20 Miwa Electric Co Ltd Method and apparatus for detecting ground fault accident of underground branch transmission line nd apparatus
US6539287B1 (en) * 1999-05-19 2003-03-25 Mitsubishi Denki Kabushiki Kaisha Distribution control system capable of isolating fault section without using time limited sequential shift function
WO2004079378A1 (en) * 2003-03-05 2004-09-16 Jan Berggren Detection of earth faults in three phase systems
EP1669767A1 (en) * 2004-12-10 2006-06-14 General Electric Company System and method of locating ground fault in electrical power distribution system
US20070081281A1 (en) * 2005-10-12 2007-04-12 Chevron U.S.A. Inc. Ground-fault circuit-interrupter system for three-phase electrical power systems
EP1890165A2 (en) * 2006-06-23 2008-02-20 Schneider Electric Industries Sas Method of directional detection of a fault in the ground connection and device for implementing same
WO2008072226A2 (en) * 2006-12-11 2008-06-19 Electrical Grid Monitoring Ltd. Fault prediction in electric transmission networks
EP2313791A1 (en) * 2008-07-18 2011-04-27 ABB Technology AG Method and device for fault location of series-compensated transmission line

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
http://www.bowdenbros.com/product/sigma-modular/ *

Also Published As

Publication number Publication date
GB2507894B (en) 2014-07-09
GB2507895A (en) 2014-05-14
GB2469706A (en) 2010-10-27
GB2507894A (en) 2014-05-14
GB201001420D0 (en) 2010-03-17
GB0907085D0 (en) 2009-06-03
GB201401826D0 (en) 2014-03-19
GB2507895B (en) 2014-08-06
GB201401827D0 (en) 2014-03-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210129