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NO995174L - Apparatus and method for position determination of disturbances in electrical distribution networks - Google Patents

Apparatus and method for position determination of disturbances in electrical distribution networks

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
Norwegian (no)
Other versions
NO995174D0 (en
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/en
Publication of NO995174L publication Critical patent/NO995174L/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/01—Arrangements for reducing harmonics or ripples
    • 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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • 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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/088—Aspects of digital computing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/002—Flicker reduction, e.g. compensation of flicker introduced by non-linear load
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • G01R21/1331—Measuring real or reactive component, measuring apparent energy
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40—Arrangements for reducing harmonics
    • Y—GENERAL 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage 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 .For position determination of sources of interference, a sensor (1) is provided on a phase (2, 3, 4) or cable shield (5) of the wire of an electrical distribution network, which measures the voltage (U (t)) and the current (I (t)). These two measurement signals are fed into a rating circuit (6) where they are filtered, corrected in digital signals, Fourier transformed and multiplied to each other to determine the power spectrum of both frequencies above the fundamental frequency. The real part of the power spectrum corresponds to the utility power flux and allows to determine the direction from which the disturbance signal comes. For measurements at various locations in a distribution network, sources of interference can be determined by this method.

NO995174A 1998-10-23 1999-10-22 Apparatus and method for position determination of disturbances in electrical distribution networks NO995174L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19849020A DE19849020A1 (en) 1998-10-23 1998-10-23 Device and method for locating faults in electrical distribution networks

Publications (2)

Publication Number Publication Date
NO995174D0 NO995174D0 (en) 1999-10-22
NO995174L true NO995174L (en) 2000-04-25

Family

ID=7885476

Family Applications (1)

Application Number Title Priority Date Filing Date
NO995174A NO995174L (en) 1998-10-23 1999-10-22 Apparatus and method for position determination of disturbances in electrical distribution networks

Country Status (3)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004037376B3 (en) 2004-08-02 2005-12-29 Siemens Audiologische Technik Gmbh Freely configurable information signals for hearing aids
DE102004045990B4 (en) * 2004-09-22 2012-10-25 Siemens Ag Method of testing a shielded cable
GB201120477D0 (en) * 2011-11-28 2012-01-11 Univ Nottingham Fault location in power distribution systems
DE102013006199A1 (en) * 2012-10-31 2014-04-30 Abb Technology Ag Method and arrangement for the localization of short circuits in power supply networks
CN103454495B (en) * 2013-09-13 2016-01-20 电子科技大学 Self-adaptation high-precision fast spectral analytical approach
CN105865616B (en) * 2016-03-31 2018-10-12 湖南科技大学 Modulation spectrum rapid refinement method based on FFT

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4333259C1 (en) * 1993-09-27 1995-05-24 Siemens Ag Method for generating a direction signal indicating the direction of a short-circuit current
DE19605022A1 (en) * 1996-01-31 1997-08-07 Siemens Ag Method for detecting an error on a line section to be monitored of an electrical transmission line according to the distance protection principle
DE19640821B4 (en) * 1996-10-02 2014-10-30 Lothar Fickert Method and device for detecting earth faults

Also Published As

Publication number Publication date
DE19849020A1 (en) 2000-04-27
NO995174D0 (en) 1999-10-22
EP0996244A2 (en) 2000-04-26

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