NO995174L - Anordning og fremgangsmåte ved posisjonsbestemmelse av forstyrrelser i elektriske fordelernett - Google Patents

Anordning og fremgangsmåte ved posisjonsbestemmelse av forstyrrelser i elektriske fordelernett

Info

Publication number
NO995174L
NO995174L NO995174A NO995174A NO995174L NO 995174 L NO995174 L NO 995174L NO 995174 A NO995174 A NO 995174A NO 995174 A NO995174 A NO 995174A NO 995174 L NO995174 L NO 995174L
Authority
NO
Norway
Prior art keywords
position determination
electrical distribution
disturbances
interference
sources
Prior art date
Application number
NO995174A
Other languages
English (en)
Other versions
NO995174D0 (no
Inventor
Bruno Sabbattini
Josef Lehmann
Paul Rudolf
Original Assignee
Abb Research Ltd
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 Research Ltd filed Critical Abb Research Ltd
Publication of NO995174D0 publication Critical patent/NO995174D0/no
Publication of NO995174L publication Critical patent/NO995174L/no

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/01Arrangements for reducing harmonics or ripples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/086Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/088Aspects of digital computing
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/002Flicker reduction, e.g. compensation of flicker introduced by non-linear load
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00Arrangements for measuring electric power or power factor
    • G01R21/06Arrangements for measuring electric power or power factor by measuring current and voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00Arrangements for measuring electric power or power factor
    • G01R21/133Arrangements for measuring electric power or power factor by using digital technique
    • G01R21/1331Measuring real or reactive component, measuring apparent energy
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16Spectrum analysis; Fourier analysis
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52Outage or fault management, e.g. fault detection or location

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Locating Faults (AREA)

Abstract

For posisjonsbestemmelse av forstyrrelseskilder anordnes en sensor (1) på en fase (2, 3, 4) eller kabelskjermen (5) av ledningen av et elektrisk fordelernett, som måler spenningen (U(t)) og strømmen (I (t)). Disse to målesignaler føres i en bedømmelseskobling (6) hvor de filtreres, korrige- res i digitale signaler, Fourier-transformeres og multipliseres med hverandre for å bestemme effekt- spektret av begge frekvenser over grunnfrevkensen. Effektspektrets realdel tilsvarer nytteeffektfluk- sen og muliggjør å fastslå retningen som forstyr- relsessignalet kommer fra. Ved målinger på for- skjellige steder i et fordelernett kan forstyrrel- seskilder bestemmes ved hjelp av denne fremgangsmåte .
NO995174A 1998-10-23 1999-10-22 Anordning og fremgangsmåte ved posisjonsbestemmelse av forstyrrelser i elektriske fordelernett NO995174L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19849020A DE19849020A1 (de) 1998-10-23 1998-10-23 Vorrichtung und Verfahren zum Orten von Störstellen in elektrischen Verteilnetzen

Publications (2)

Publication Number Publication Date
NO995174D0 NO995174D0 (no) 1999-10-22
NO995174L true NO995174L (no) 2000-04-25

Family

ID=7885476

Family Applications (1)

Application Number Title Priority Date Filing Date
NO995174A NO995174L (no) 1998-10-23 1999-10-22 Anordning og fremgangsmåte ved posisjonsbestemmelse av forstyrrelser i elektriske fordelernett

Country Status (3)

Country Link
EP (1) EP0996244A2 (no)
DE (1) DE19849020A1 (no)
NO (1) NO995174L (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004037376B3 (de) 2004-08-02 2005-12-29 Siemens Audiologische Technik Gmbh Frei konfigurierbare Informationssignale bei Hörhilfegeräten
DE102004045990B4 (de) * 2004-09-22 2012-10-25 Siemens Ag Verfahren zum Prüfen eines geschirmten Kabels
GB201120477D0 (en) * 2011-11-28 2012-01-11 Univ Nottingham Fault location in power distribution systems
DE102013006199A1 (de) * 2012-10-31 2014-04-30 Abb Technology Ag Verfahren und Anordnung für die Lokalisierung von Kurzschlüssen in Energieversorgungsnetzen
CN103454495B (zh) * 2013-09-13 2016-01-20 电子科技大学 自适应高精度快速频谱分析方法
CN105865616B (zh) * 2016-03-31 2018-10-12 湖南科技大学 基于fft的调制谱快速细化方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4333259C1 (de) * 1993-09-27 1995-05-24 Siemens Ag Verfahren zum Erzeugen eines die Richtung eines Kurzschlußstromes angebenden Richtungssignals
DE19605022A1 (de) * 1996-01-31 1997-08-07 Siemens Ag Verfahren zum Erfassen eines Fehlers auf einem zu überwachenden Leitungsabschnitt einer elektrischen Übertragungsleitung nach dem Distanzschutzprinzip
DE19640821B4 (de) * 1996-10-02 2014-10-30 Lothar Fickert Verfahren und Einrichtung zur Erfassung von Erdschlüssen

Also Published As

Publication number Publication date
EP0996244A2 (de) 2000-04-26
NO995174D0 (no) 1999-10-22
DE19849020A1 (de) 2000-04-27

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