GB2507894B - System and method for locating insulation faults - Google Patents
System and method for locating insulation faultsInfo
- Publication number
- GB2507894B GB2507894B GB1401826.1A GB201401826A GB2507894B GB 2507894 B GB2507894 B GB 2507894B GB 201401826 A GB201401826 A GB 201401826A GB 2507894 B GB2507894 B GB 2507894B
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0907085.5A GB0907085D0 (en) | 2009-04-24 | 2009-04-24 | System and method for locating earth faults |
GB1001420.7A GB2469706B (en) | 2009-04-24 | 2010-01-29 | System and method for locating insulation faults |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201401826D0 GB201401826D0 (en) | 2014-03-19 |
GB2507894A GB2507894A (en) | 2014-05-14 |
GB2507894B true GB2507894B (en) | 2014-07-09 |
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 |
GB1401826.1A Expired - Fee Related GB2507894B (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 |
Family Applications Before (2)
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 |
Family Applications After (1)
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 |
Country Status (1)
Country | Link |
---|---|
GB (4) | GB0907085D0 (en) |
Families Citing this family (3)
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 (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04334928A (en) * | 1991-05-10 | 1992-11-24 | Yaskawa Electric Corp | Detecting method for ground-fault position of power distribution line |
US5309109A (en) * | 1991-03-07 | 1994-05-03 | Hitachi, Ltd. | Forcible grounding generation equipment and grounding occurrence detection equipment using the same |
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 |
DE102004008994A1 (en) * | 2004-02-20 | 2005-10-13 | 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 |
EP1669767A1 (en) * | 2004-12-10 | 2006-06-14 | General Electric Company | System and method of locating ground fault in electrical power distribution system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2620828A1 (en) * | 1987-09-17 | 1989-03-24 | Iberduero Sa | FAULT LOCATOR ON AN ELECTRIC POWER TRANSMISSION SYSTEM |
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 |
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 |
JP2000333362A (en) * | 1999-05-19 | 2000-11-30 | Mitsubishi Electric Corp | Distribution controller |
SE526446C2 (en) * | 2003-03-05 | 2005-09-13 | Jan Berggren | Detection of earth faults in three-phase system |
US7301739B2 (en) * | 2005-10-12 | 2007-11-27 | Chevron U.S.A. Inc. | Ground-fault circuit-interrupter system for three-phase electrical power systems |
FR2902887B1 (en) * | 2006-06-23 | 2008-08-01 | Schneider Electric Ind Sas | DIRECTIONAL DETECTION METHOD FOR EARTH FAULT AND DEVICE FOR IMPLEMENTING SAME |
EP2102671B1 (en) * | 2006-12-11 | 2021-08-11 | Electrical Grid Monitoring Ltd. | Fault prediction in electric transmission networks |
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 |
CN101682185B (en) * | 2007-05-08 | 2014-03-19 | 西门子公司 | Method for determining an adjustment value indicating a ground impedance and measurement device |
EP2171488B1 (en) * | 2007-07-24 | 2010-11-24 | Siemens Aktiengesellschaft | Method for locating a ground fault according to the distance protection principle and electric distance protection device |
EP2313791B8 (en) * | 2008-07-18 | 2016-10-12 | ABB Schweiz AG | Method and device for fault location of series-compensated transmission line |
-
2009
- 2009-04-24 GB GBGB0907085.5A patent/GB0907085D0/en not_active Ceased
-
2010
- 2010-01-29 GB GB1001420.7A patent/GB2469706B/en not_active Expired - Fee Related
- 2010-01-29 GB GB1401826.1A patent/GB2507894B/en not_active Expired - Fee Related
- 2010-01-29 GB GB1401827.9A patent/GB2507895B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5309109A (en) * | 1991-03-07 | 1994-05-03 | Hitachi, Ltd. | Forcible grounding generation equipment and grounding occurrence detection equipment using the same |
JPH04334928A (en) * | 1991-05-10 | 1992-11-24 | Yaskawa Electric Corp | Detecting method for ground-fault position of power distribution line |
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 |
DE102004008994A1 (en) * | 2004-02-20 | 2005-10-13 | 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 |
EP1669767A1 (en) * | 2004-12-10 | 2006-06-14 | General Electric Company | System and method of locating ground fault in electrical power distribution system |
Also Published As
Publication number | Publication date |
---|---|
GB201401827D0 (en) | 2014-03-19 |
GB201401826D0 (en) | 2014-03-19 |
GB2469706A (en) | 2010-10-27 |
GB2507895A (en) | 2014-05-14 |
GB0907085D0 (en) | 2009-06-03 |
GB201001420D0 (en) | 2010-03-17 |
GB2507894A (en) | 2014-05-14 |
GB2469706B (en) | 2014-06-18 |
GB2507895B (en) | 2014-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20210129 |