SE8803343L - Elektrodlinjeskydd - Google Patents

Elektrodlinjeskydd

Info

Publication number
SE8803343L
SE8803343L SE8803343A SE8803343A SE8803343L SE 8803343 L SE8803343 L SE 8803343L SE 8803343 A SE8803343 A SE 8803343A SE 8803343 A SE8803343 A SE 8803343A SE 8803343 L SE8803343 L SE 8803343L
Authority
SE
Sweden
Prior art keywords
electrode line
impedance
relation
feeding point
measuring
Prior art date
Application number
SE8803343A
Other languages
Unknown language ( )
English (en)
Other versions
SE462244B (sv
SE8803343D0 (sv
Inventor
G Asplund
Original Assignee
Asea Brown Boveri
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20373404&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE8803343(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE8803343A priority Critical patent/SE462244B/sv
Publication of SE8803343D0 publication Critical patent/SE8803343D0/sv
Priority to EP89116715A priority patent/EP0360109B1/en
Priority to DE68915663T priority patent/DE68915663T2/de
Priority to US07/408,967 priority patent/US5117323A/en
Priority to CA000611853A priority patent/CA1321619C/en
Publication of SE8803343L publication Critical patent/SE8803343L/sv
Publication of SE462244B publication Critical patent/SE462244B/sv

Links

Classifications

    • 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
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
    • H02H3/17—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Emergency Protection Circuit Devices (AREA)
SE8803343A 1988-09-21 1988-09-21 Elektrodlinjeskydd foer detektering av jordfel SE462244B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8803343A SE462244B (sv) 1988-09-21 1988-09-21 Elektrodlinjeskydd foer detektering av jordfel
EP89116715A EP0360109B1 (en) 1988-09-21 1989-09-09 Electrode line protective device
DE68915663T DE68915663T2 (de) 1988-09-21 1989-09-09 Schutzvorrichtung einer Elektrodenlinie.
US07/408,967 US5117323A (en) 1988-09-21 1989-09-13 Electrode line protection
CA000611853A CA1321619C (en) 1988-09-21 1989-09-19 Electrode line protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8803343A SE462244B (sv) 1988-09-21 1988-09-21 Elektrodlinjeskydd foer detektering av jordfel

Publications (3)

Publication Number Publication Date
SE8803343D0 SE8803343D0 (sv) 1988-09-21
SE8803343L true SE8803343L (sv) 1990-03-22
SE462244B SE462244B (sv) 1990-05-21

Family

ID=20373404

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8803343A SE462244B (sv) 1988-09-21 1988-09-21 Elektrodlinjeskydd foer detektering av jordfel

Country Status (5)

Country Link
US (1) US5117323A (sv)
EP (1) EP0360109B1 (sv)
CA (1) CA1321619C (sv)
DE (1) DE68915663T2 (sv)
SE (1) SE462244B (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04355628A (ja) * 1991-05-31 1992-12-09 Toshiba Corp 直流送電線路短絡検出装置
CA2097601C (en) * 1991-11-04 1999-02-23 Asea Brown Boveri Ab Control of power network
DE19650974A1 (de) * 1996-12-09 1998-06-18 Siemens Ag Verfahren und Anordnung zur Erfassung eines Zustandes einer elektrischen Leitung
DE19819219C1 (de) * 1998-04-29 1999-09-30 Siemens Ag Verfahren und Vorrichtung zur Überwachung einer Elektrodenleitung einer bipolaren Hochstpannungs-Gleichstrom-Übertragungs-Anlage
US6707171B1 (en) * 1999-07-16 2004-03-16 Siemens Aktiengesellschaft Short-circuiting device
US6459269B1 (en) * 2001-04-02 2002-10-01 Msx, Inc. Capacitance rejecting ground fault protecting apparatus and method
ATE349730T1 (de) * 2001-11-21 2007-01-15 Magtech As Einrichtung mit steuerbarer impedanz
ES2296462B1 (es) * 2005-07-14 2008-12-16 Juan Jose Zamora Belver Sistema para detectar faltas de baja intensidad en la red electrica de distribucion, superponiendo tonos de tension sin necesidad de filtros de red.
EP2706364A1 (en) * 2012-09-06 2014-03-12 Alstom Technology Ltd Electrode line monitoring unit
CN105388398B (zh) * 2015-12-25 2018-11-13 国网四川省电力公司电力科学研究院 一种特高压直流输电系统接地极引线故障监测方法
CN105717394B (zh) * 2016-02-22 2018-06-29 国网四川省电力公司电力科学研究院 基于高频电流注入的接地极引线故障监视方法
US10596984B2 (en) * 2016-10-13 2020-03-24 Ford Global Technologies, Llc Tuned resonance HV interlock
CN107391810B (zh) * 2017-06-30 2020-06-30 中国西电电气股份有限公司 一种计算接地极引线监视装置元件暂态额定值的方法
US11539200B2 (en) * 2018-03-16 2022-12-27 Littelfuse, Inc. Monitor device, ground fault protection circuit and techniques
US11108222B2 (en) 2018-03-16 2021-08-31 Littelfuse, Inc. Monitor device, ground fault protection circuit and techniques
WO2020227045A1 (en) 2019-05-03 2020-11-12 Panduit Corp. Method of detecting a fault in a pulsed power distribution system
EP3767314B1 (en) 2019-07-18 2023-08-30 Hitachi Energy Switzerland AG Fault location in an hvdc system
CN114498583B (zh) * 2022-01-20 2023-01-17 北京交通大学 一种基于保控协同的直流线路阻抗相位保护方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188574A (en) * 1978-03-27 1980-02-12 Instrumentation Specialties Company AC Detector for DC ground faults and high capacitance in high-voltage DC power supplies
CA1219634A (en) * 1984-09-27 1987-03-24 Federal Pioneer Limited Detection of ground faults in ungrounded dc power supply systems
SE500399C2 (sv) * 1988-01-04 1994-06-20 Asea Ab Filterutrustning för en kraftlinje med ett dubbelavstämt shuntfilter

Also Published As

Publication number Publication date
CA1321619C (en) 1993-08-24
SE462244B (sv) 1990-05-21
EP0360109B1 (en) 1994-06-01
DE68915663T2 (de) 1995-01-12
EP0360109A1 (en) 1990-03-28
SE8803343D0 (sv) 1988-09-21
US5117323A (en) 1992-05-26
DE68915663D1 (de) 1994-07-07

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