FI19992044A - A method for detecting high impedance earth fault in a medium voltage network - Google Patents

A method for detecting high impedance earth fault in a medium voltage network

Info

Publication number
FI19992044A
FI19992044A FI992044A FI19992044A FI19992044A FI 19992044 A FI19992044 A FI 19992044A FI 992044 A FI992044 A FI 992044A FI 19992044 A FI19992044 A FI 19992044A FI 19992044 A FI19992044 A FI 19992044A
Authority
FI
Finland
Prior art keywords
high impedance
medium voltage
earth fault
voltage network
detecting high
Prior art date
Application number
FI992044A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI112283B (en
Inventor
Ari Nikander
Pertti Jaerventausta
Original Assignee
Abb Substation Automation Oy
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 Abb Substation Automation Oy filed Critical Abb Substation Automation Oy
Priority to FI992044A priority Critical patent/FI112283B/en
Priority to AU72942/00A priority patent/AU7294200A/en
Priority to PCT/FI2000/000816 priority patent/WO2001022104A1/en
Publication of FI19992044A publication Critical patent/FI19992044A/en
Application granted granted Critical
Publication of FI112283B publication Critical patent/FI112283B/en

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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground
FI992044A 1999-09-23 1999-09-23 Method for detecting large impedance ground fault in medium voltage grid FI112283B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI992044A FI112283B (en) 1999-09-23 1999-09-23 Method for detecting large impedance ground fault in medium voltage grid
AU72942/00A AU7294200A (en) 1999-09-23 2000-09-22 Method for detection of high-impedance ground faults in a medium-voltage network
PCT/FI2000/000816 WO2001022104A1 (en) 1999-09-23 2000-09-22 Method for detection of high-impedance ground faults in a medium-voltage network

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992044A FI112283B (en) 1999-09-23 1999-09-23 Method for detecting large impedance ground fault in medium voltage grid
FI992044 1999-09-23

Publications (2)

Publication Number Publication Date
FI19992044A true FI19992044A (en) 2001-03-23
FI112283B FI112283B (en) 2003-11-14

Family

ID=8555340

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992044A FI112283B (en) 1999-09-23 1999-09-23 Method for detecting large impedance ground fault in medium voltage grid

Country Status (3)

Country Link
AU (1) AU7294200A (en)
FI (1) FI112283B (en)
WO (1) WO2001022104A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106443131A (en) * 2016-10-18 2017-02-22 珠海许继电气有限公司 Outdoor power-supply and zero-sequence-voltage measuring device
CN112731054A (en) * 2020-12-19 2021-04-30 国网河南省电力公司电力科学研究院 Power distribution network single-phase earth fault line selection method based on zero sequence residual voltage suppression

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1870717B1 (en) 2006-06-20 2014-01-08 ABB Technology AG System and method for determining phase-to-earth admittances of a three-phase electric line
US7720619B2 (en) 2006-08-04 2010-05-18 Schweitzer Engineering Laboratories, Inc. Systems and methods for detecting high-impedance faults in a multi-grounded power distribution system
EP2476002B1 (en) * 2009-09-09 2015-05-27 Siemens Aktiengesellschaft Fault detection in energy supply networks having an unearthed or resonant-earthed star point
CN102668290A (en) 2009-09-30 2012-09-12 阿尔斯通电网英国有限公司 Method of high impedance groundfault detection for differential protection of overhead transmission lines
CA2885185A1 (en) 2012-10-12 2014-04-17 Schweitzer Engineering Laboratories, Inc. Coordinated high-impedance fault detection systems and methods
WO2014194941A1 (en) 2013-06-05 2014-12-11 Siemens Aktiengesellschaft Detection of ground faults in energy supply networks with a compensated star point
CN104280663B (en) * 2013-07-03 2017-07-25 刘宝稳 A kind of single-phase grounded malfunction in grounded system of low current in-service monitoring and selection method
US10161986B2 (en) 2016-10-17 2018-12-25 Schweitzer Engineering Laboratories, Inc. Electric power system monitoring using distributed conductor-mounted devices
CN108508314A (en) * 2018-02-24 2018-09-07 安徽合凯电气科技股份有限公司 A kind of high-precision route selection tripgear
CN108709486A (en) * 2018-06-13 2018-10-26 华电电力科学研究院有限公司 A kind of transformer neutral point down conductor sectional area checks mancarried device and its check method
CN110146783B (en) * 2019-05-15 2021-09-21 上海宏力达信息技术股份有限公司 Fault section positioning method
CN110208654A (en) * 2019-06-28 2019-09-06 国网湖南省电力有限公司 A kind of localization method and system of one-phase earthing failure in electric distribution network
CN111983509B (en) * 2020-07-14 2023-09-15 国网上海市电力公司 Distributed line fault detection method and device
CN112485595B (en) * 2020-11-30 2024-04-09 云南电网有限责任公司电力科学研究院 Power distribution network ground fault line selection protection method and device
CN113533904B (en) * 2021-07-21 2023-04-21 南方电网科学研究院有限责任公司 Method, device, equipment and medium for detecting high-resistance ground fault of power distribution network
CN113447763B (en) * 2021-07-22 2022-10-25 苏州银蕨电力科技有限公司 Accurate positioning and tracing method for complex earth fault
CN114156906B (en) * 2021-12-10 2023-07-18 福州大学 Multifunctional compensation method for asymmetric power distribution network
CN114353607B (en) * 2022-01-19 2023-06-20 北京伊拜科技有限责任公司 Detection control method for wireless detonator priming circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528497A (en) * 1982-08-23 1985-07-09 Isolation Systems Limited Method and apparatus for monitoring ground faults in isolated electrical systems
AT404072B (en) * 1995-02-28 1998-08-25 Haefely Trench Austria Gmbh METHOD FOR DETECTING A SINGLE-POLE EARTH FAULT IN A THREE-PHASE NETWORK

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106443131A (en) * 2016-10-18 2017-02-22 珠海许继电气有限公司 Outdoor power-supply and zero-sequence-voltage measuring device
CN112731054A (en) * 2020-12-19 2021-04-30 国网河南省电力公司电力科学研究院 Power distribution network single-phase earth fault line selection method based on zero sequence residual voltage suppression

Also Published As

Publication number Publication date
FI112283B (en) 2003-11-14
AU7294200A (en) 2001-04-24
WO2001022104A1 (en) 2001-03-29

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