NO995174L - Anordning og fremgangsmåte ved posisjonsbestemmelse av forstyrrelser i elektriske fordelernett - Google Patents
Anordning og fremgangsmåte ved posisjonsbestemmelse av forstyrrelser i elektriske fordelernettInfo
- 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
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 .
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)
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)
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 |
-
1998
- 1998-10-23 DE DE19849020A patent/DE19849020A1/de not_active Withdrawn
-
1999
- 1999-08-16 EP EP99810733A patent/EP0996244A2/de not_active Withdrawn
- 1999-10-22 NO NO995174A patent/NO995174L/no not_active Application Discontinuation
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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Legal Events
Date | Code | Title | Description |
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FC2A | Withdrawal, rejection or dismissal of laid open patent application |