[go: up one dir, main page]

Dzafic et al., 2011 - Google Patents

Impedance based fault location for weakly meshed distribution networks

Dzafic et al., 2011

Document ID
9643586600999539404
Author
Dzafic I
Mohapatra P
Publication year
Publication venue
ISGT 2011

External Links

Snippet

Accurate fault location is a challenge for most Distribution Management Systems (DMS). This paper analyses one possible method for Fault Location (FLOC) using impedance information available from Impedance Fault Relay (IFR). This method is applicable for …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
    • 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
    • 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
    • H02J3/005—Arrangements for selectively connecting the load to one among a plurality of power lines or power sources
    • H02J3/006—Arrangements for selectively connecting the load to one among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
    • 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
    • Y04S10/10—Systems characterised by the monitored, controlled or operated power network elements or equipment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection

Similar Documents

Publication Publication Date Title
CN100431232C (en) State Estimation of Power Transmission Network
Senger et al. Automated fault location system for primary distribution networks
Liao Fault location for single-circuit line based on bus-impedance matrix utilizing voltage measurements
Salim et al. Further improvements on impedance-based fault location for power distribution systems
Liao et al. Online optimal transmission line parameter estimation for relaying applications
CN103548228B (en) Systems and methods for protecting electrical networks
Das et al. Distribution fault-locating algorithms using current only
US7286963B2 (en) Method and device for fault location on three terminal power line
Chavez et al. PMU-voltage drop based fault locator for transmission backup protection
Dzafic et al. Impedance based fault location for weakly meshed distribution networks
CN106463945A (en) Systems and methods for identifying faulted segments in multiphase power networks
Liao A novel method for locating faults on distribution systems
CN111226363A (en) Method and device for identifying fault sections in a multi-terminal hybrid line
US20220229099A1 (en) Device, system, and method for performing an online-update of a two-port equivalent
CN106528968A (en) Intelligent substation automatic dynamic simulation test method based on SSD file
Azizi et al. A modified formula for distance relaying of tapped transmission lines with grounded neutrals
CN102969695B (en) Grounding forecasting method in neutral-point low-resistance grounding mode
Fan et al. Fault location for distribution systems with distributed generations without using source impedances
CN104020394A (en) A Method of Small Current Line Selection in Power Supply System Based on Network Technology
Le et al. Earth fault location based on a Modified Takagi Method for MV distribution networks
Momen et al. Sequence Parameters Estimation for Two Mutually Coupled Lines that Are Magnetically and Capacitively Coupled but Not Electrically Coupled
CN109327007B (en) Same-tower multi-circuit zero-sequence compensation coefficient setting device and method based on station domain information
Codino et al. Cross-country fault protection in ENEL Distribuzione's experimental MV loop lines
CN202330619U (en) Novel intelligent low-current grounded line selection device
Shalash et al. New reliability index for power system protection based on multi-agent technique