AU7294200A - Method for detection of high-impedance ground faults in a medium-voltage network - Google Patents

Method for detection of high-impedance ground faults in a medium-voltage network

Info

Publication number
AU7294200A
AU7294200A AU72942/00A AU7294200A AU7294200A AU 7294200 A AU7294200 A AU 7294200A AU 72942/00 A AU72942/00 A AU 72942/00A AU 7294200 A AU7294200 A AU 7294200A AU 7294200 A AU7294200 A AU 7294200A
Authority
AU
Australia
Prior art keywords
detection
medium
voltage network
ground faults
impedance ground
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.)
Abandoned
Application number
AU72942/00A
Inventor
Pertti Jarventausta
Ari Nikander
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.)
ABB Substation Automation Oy
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
Publication of AU7294200A publication Critical patent/AU7294200A/en
Abandoned 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
    • G01R31/50—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
AU72942/00A 1999-09-23 2000-09-22 Method for detection of high-impedance ground faults in a medium-voltage network Abandoned AU7294200A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI19992044 1999-09-23
FI992044A FI112283B (en) 1999-09-23 1999-09-23 Method for detecting large impedance ground fault in medium voltage grid
PCT/FI2000/000816 WO2001022104A1 (en) 1999-09-23 2000-09-22 Method for detection of high-impedance ground faults in a medium-voltage network

Publications (1)

Publication Number Publication Date
AU7294200A true AU7294200A (en) 2001-04-24

Family

ID=8555340

Family Applications (1)

Application Number Title Priority Date Filing Date
AU72942/00A Abandoned AU7294200A (en) 1999-09-23 2000-09-22 Method for detection of high-impedance ground faults in a medium-voltage network

Country Status (3)

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

Families Citing this family (20)

* 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
WO2011029464A1 (en) * 2009-09-09 2011-03-17 Siemens Aktiengesellschaft Fault detection in energy supply networks having an unearthed or resonant-earthed star point
EP2483982A1 (en) 2009-09-30 2012-08-08 Alstom Grid UK Limited Method of high impedance groundfault detection for differential protection of overhead transmission lines
AU2013328964B2 (en) 2012-10-12 2016-02-18 Schweitzer Engineering Laboratories, Inc. Coordinated high-impedance fault detection systems and methods
PL2994765T3 (en) 2013-06-05 2019-07-31 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
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
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
CN112731054B (en) * 2020-12-19 2022-06-14 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
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

Also Published As

Publication number Publication date
FI19992044A (en) 2001-03-23
WO2001022104A1 (en) 2001-03-29
FI112283B (en) 2003-11-14

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase