FI19992044A - Menetelmä keskijänniteverkon suuri-impedanssisten maasulkuvikojen ilmaisemiseksi - Google Patents

Menetelmä keskijänniteverkon suuri-impedanssisten maasulkuvikojen ilmaisemiseksi

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
English (en)
Swedish (sv)
Other versions
FI112283B (fi
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/fi
Priority to PCT/FI2000/000816 priority patent/WO2001022104A1/en
Priority to AU72942/00A priority patent/AU7294200A/en
Publication of FI19992044A publication Critical patent/FI19992044A/fi
Application granted granted Critical
Publication of FI112283B publication Critical patent/FI112283B/fi

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)
FI992044A 1999-09-23 1999-09-23 Menetelmä keskijänniteverkon suuri-impedanssisten maasulkuvikojen ilmaisemiseksi FI112283B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI992044A FI112283B (fi) 1999-09-23 1999-09-23 Menetelmä keskijänniteverkon suuri-impedanssisten maasulkuvikojen ilmaisemiseksi
PCT/FI2000/000816 WO2001022104A1 (en) 1999-09-23 2000-09-22 Method for detection of high-impedance ground faults in a medium-voltage network
AU72942/00A AU7294200A (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
FI992044 1999-09-23
FI992044A FI112283B (fi) 1999-09-23 1999-09-23 Menetelmä keskijänniteverkon suuri-impedanssisten maasulkuvikojen ilmaisemiseksi

Publications (2)

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

Family

ID=8555340

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992044A FI112283B (fi) 1999-09-23 1999-09-23 Menetelmä keskijänniteverkon suuri-impedanssisten maasulkuvikojen ilmaisemiseksi

Country Status (3)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106443131A (zh) * 2016-10-18 2017-02-22 珠海许继电气有限公司 一种户外型供电兼零序电压测量装置
CN112731054A (zh) * 2020-12-19 2021-04-30 国网河南省电力公司电力科学研究院 基于零序残压抑制的配电网单相接地故障选线方法

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
WO2011029464A1 (de) * 2009-09-09 2011-03-17 Siemens Aktiengesellschaft Fehlererkennung in energieversorgungsnetzen mit ungeerdetem oder gelöschtem sternpunkt
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 (pl) 2013-06-05 2019-07-31 Siemens Aktiengesellschaft Wykrywanie usterek uziemienia w sieciach elektroenergetycznych ze skompensowanym punktem neutralnym
CN104280663B (zh) * 2013-07-03 2017-07-25 刘宝稳 一种小电流接地系统单相接地故障在线监视与选线方法
US10161986B2 (en) 2016-10-17 2018-12-25 Schweitzer Engineering Laboratories, Inc. Electric power system monitoring using distributed conductor-mounted devices
CN108508314A (zh) * 2018-02-24 2018-09-07 安徽合凯电气科技股份有限公司 一种高精度选线跳闸装置
CN108709486A (zh) * 2018-06-13 2018-10-26 华电电力科学研究院有限公司 一种变压器中性点接地引下线截面积校核便携式装置及其校核方法
CN110146783B (zh) * 2019-05-15 2021-09-21 上海宏力达信息技术股份有限公司 一种故障区段定位方法
CN110208654A (zh) * 2019-06-28 2019-09-06 国网湖南省电力有限公司 一种配电网单相接地故障的定位方法及系统
CN111983509B (zh) * 2020-07-14 2023-09-15 国网上海市电力公司 一种分布式线路故障检测方法及装置
CN112485595B (zh) * 2020-11-30 2024-04-09 云南电网有限责任公司电力科学研究院 一种配电网接地故障选线保护方法及装置
CN113533904B (zh) * 2021-07-21 2023-04-21 南方电网科学研究院有限责任公司 一种配电网高阻接地故障检测方法、装置、设备和介质
CN113447763B (zh) * 2021-07-22 2022-10-25 苏州银蕨电力科技有限公司 复杂接地故障准确定位与溯源方法
CN114156906B (zh) * 2021-12-10 2023-07-18 福州大学 一种不对称配电网的多功能补偿方法
CN114353607B (zh) * 2022-01-19 2023-06-20 北京伊拜科技有限责任公司 无线雷管起爆网路的检测控制方法

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 (de) * 1995-02-28 1998-08-25 Haefely Trench Austria Gmbh Verfahren zur erkennung eines einpoligen erdschlusses in einem drehstromnetz

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106443131A (zh) * 2016-10-18 2017-02-22 珠海许继电气有限公司 一种户外型供电兼零序电压测量装置
CN112731054A (zh) * 2020-12-19 2021-04-30 国网河南省电力公司电力科学研究院 基于零序残压抑制的配电网单相接地故障选线方法

Also Published As

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

Similar Documents

Publication Publication Date Title
FI19992044A (fi) Menetelmä keskijänniteverkon suuri-impedanssisten maasulkuvikojen ilmaisemiseksi
AU2002226885A1 (en) Apparatus and method for detecting and calculating ground fault resistance
FI953970A0 (fi) Menetelmä yksivaiheisen maasulun paikantamiseksi sMenetelmä yksivaiheisen maasulun paikantamiseksi sähkönjakeluverkossa ähkönjakeluverkossa
NO20024762D0 (no) Fremgangsmåte for modellering av forkastninger og sprekker i en jordformasjon
NO20013843L (no) Kompletteringsutstyr med flere fluidbaner for bruk i en brönn
AU1338001A (en) Method and apparatus for detecting mpls network failures
NO20021415D0 (no) Fremgangsmåte og anordning for å bevege et rör i et borehull i grunnen
GB2369528B (en) Method and device for determining a synchronization fault in a network node
AU2808301A (en) Method for testing VDSL loops
NO331109B1 (no) Fremgangsmate for a utvide et rorformet element i en bronn
AU2002212129A1 (en) Method and device for identifying and localising high-ohm, single-pole earth faults
NO20014254D0 (no) Apparat for å opprettholde jevnt trykk i et ekspanderbart brönnverktöy
FI103217B (fi) Menetelmä sähkönjakeluverkon suuriresistanssisen maasulkuvian paikalli stamiseksi virtamittausten perusteella
DE59902796D1 (de) Verfahren zum erzeugen eines einen kurzschluss kennzeichnenden fehlersignals
FI20000965A0 (fi) Mittauslaitteistoissa olevien elektrodien puhdistustapa
FI19992056A (fi) Menetelmä tietoverkkoliikenteen ohjaamiseksi
NO20013657L (no) Fremgangsmåte og anordning for formasjonsisolasjon i en brönn
DE60042005D1 (de) Schutzvorrichtung gegen elektrische Fehler
NO20001054D0 (no) Fremgangsmõte og anordning for kompensering av nettspenningsforvrengninger som oppstõr i et nett
FI990936A (fi) Menetelmä datan tarkastamiseksi
ITTO990945A0 (it) Metodo di segnalazione di guasti in reti di telecomunicazioni.
AU2001281127A1 (en) Fault detection method and apparatus using multiple dimension measurements
AU2001255552A1 (en) Method and apparatus for detecting ground fault current
DE59707967D1 (de) Verfahren zum erfassen einer sprunghaften änderung einer elektrischen wechselgrösse
HUP0103675A3 (en) Device for analysing earth fault currents and switching device