EP4732028A1 - Vorrichtung und verfahren zur fehlerpositionierung in stromnetzen - Google Patents

Vorrichtung und verfahren zur fehlerpositionierung in stromnetzen

Info

Publication number
EP4732028A1
EP4732028A1 EP24734022.7A EP24734022A EP4732028A1 EP 4732028 A1 EP4732028 A1 EP 4732028A1 EP 24734022 A EP24734022 A EP 24734022A EP 4732028 A1 EP4732028 A1 EP 4732028A1
Authority
EP
European Patent Office
Prior art keywords
fault
feeder line
fault location
traveling wave
faulty
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP24734022.7A
Other languages
English (en)
French (fr)
Inventor
Tapio MÄNTYSALO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safegrid Oy
Original Assignee
Safegrid Oy
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 Safegrid Oy filed Critical Safegrid Oy
Publication of EP4732028A1 publication Critical patent/EP4732028A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • 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
    • 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
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/66—Tracking systems using electromagnetic waves other than radio waves
    • 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
    • H02H7/265—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 making use of travelling wave theory
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J3/001—Arrangements for handling faults or abnormalities, e.g. emergencies or contingencies
    • H02J3/0012—Arrangements for handling faults or abnormalities, e.g. emergencies or contingencies characterised by the contingency detection means in AC networks, e.g. using phasor measurement units [PMU], synchrophasors or contingency analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Locating Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
EP24734022.7A 2023-06-26 2024-06-13 Vorrichtung und verfahren zur fehlerpositionierung in stromnetzen Pending EP4732028A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20235740A FI20235740A1 (en) 2023-06-26 2023-06-26 Device and procedure for locating faults in electrical networks
PCT/FI2024/050307 WO2025003558A1 (en) 2023-06-26 2024-06-13 Apparatus and method for fault positioning in electrical grids

Publications (1)

Publication Number Publication Date
EP4732028A1 true EP4732028A1 (de) 2026-04-29

Family

ID=91585834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24734022.7A Pending EP4732028A1 (de) 2023-06-26 2024-06-13 Vorrichtung und verfahren zur fehlerpositionierung in stromnetzen

Country Status (4)

Country Link
EP (1) EP4732028A1 (de)
AU (1) AU2024305676A1 (de)
FI (1) FI20235740A1 (de)
WO (1) WO2025003558A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3351949B1 (de) * 2017-01-18 2019-08-21 Siemens Aktiengesellschaft Verfahren und einrichtung zum ermitteln des fehlerortes eines erdschlusses bezüglich einer leitung eines dreiphasigen elektrischen energieversorgungsnetzes mit nicht geerdetem sternpunkt
US11680977B2 (en) * 2020-03-18 2023-06-20 Mitsubishi Electric Research Laboratories, Inc. Transient based fault location method for ungrounded power distribution systems
CN114689990B (zh) * 2022-03-02 2024-11-19 云南电网有限责任公司电力科学研究院 一种环形电力网络故障定位方法及相关设备

Also Published As

Publication number Publication date
WO2025003558A1 (en) 2025-01-02
AU2024305676A1 (en) 2025-12-04
FI20235740A1 (en) 2024-12-27

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