NZ780406A - Fault location system using voltage or current measurement from diverse locations on a distribution network - Google Patents

Fault location system using voltage or current measurement from diverse locations on a distribution network

Info

Publication number
NZ780406A
NZ780406A NZ780406A NZ78040620A NZ780406A NZ 780406 A NZ780406 A NZ 780406A NZ 780406 A NZ780406 A NZ 780406A NZ 78040620 A NZ78040620 A NZ 78040620A NZ 780406 A NZ780406 A NZ 780406A
Authority
NZ
New Zealand
Prior art keywords
fault
voltage
location
line
power
Prior art date
Application number
NZ780406A
Other languages
English (en)
Inventor
Yoav Sharon
Original Assignee
S & C Electric Co
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 S & C Electric Co filed Critical S & C Electric Co
Publication of NZ780406A publication Critical patent/NZ780406A/en

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
    • G01R31/086—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
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/62—Testing of transformers
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/64—Testing of capacitors
    • 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
    • H02H3/40—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 responsive to ratio of voltage and current
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/001—Measuring real or reactive component; Measuring apparent energy
    • G01R21/003—Measuring reactive component
    • 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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Locating Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
NZ780406A 2019-03-25 2020-03-23 Fault location system using voltage or current measurement from diverse locations on a distribution network NZ780406A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962823117P 2019-03-25 2019-03-25
PCT/US2020/024215 WO2020198141A1 (en) 2019-03-25 2020-03-23 Fault location system using voltage or current measurement from diverse locations on a distribution network

Publications (1)

Publication Number Publication Date
NZ780406A true NZ780406A (en) 2022-08-26

Family

ID=72605959

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ780406A NZ780406A (en) 2019-03-25 2020-03-23 Fault location system using voltage or current measurement from diverse locations on a distribution network

Country Status (7)

Country Link
US (3) US11378609B2 (https=)
AU (1) AU2020245373B2 (https=)
BR (1) BR112021018919B1 (https=)
CA (1) CA3133463C (https=)
GB (1) GB2596478B (https=)
NZ (1) NZ780406A (https=)
WO (1) WO2020198141A1 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10884049B2 (en) * 2018-08-31 2021-01-05 S&C Electric Company Distribution network coordination in the presence of intermittent faults
US20210102986A1 (en) * 2019-10-07 2021-04-08 G & W Electric Company Single phase fault isolation and restoration for loss of voltage fault in power distribution network
US11251606B2 (en) 2019-10-07 2022-02-15 G & W Electric Company Single phase fault isolation and restoration for power distribution network
US11588347B2 (en) 2020-07-20 2023-02-21 G & W Electric Company Single phase fault isolation and restoration with load estimation
US11626753B2 (en) 2020-07-20 2023-04-11 G & W Electric Company Single phase fault isolation and restoration with loop avoidance
US11646603B2 (en) 2020-07-20 2023-05-09 G & W Electric Company Single phase fault isolation and restoration with loop avoidance for multiple tie-in devices
US11719736B2 (en) * 2020-12-07 2023-08-08 S&C Electric Company Method for locating and isolating a fault in a power distribution network
US11616358B2 (en) 2020-12-07 2023-03-28 S&C Electric Company Fault isolation
US12087523B2 (en) 2020-12-07 2024-09-10 G & W Electric Company Solid dielectric insulated switchgear
CN115436840B (zh) * 2022-09-01 2025-08-15 广西电网有限责任公司南宁供电局 一种供电台区台户关系智能辨识方法
CN117031211B (zh) * 2023-09-25 2024-01-12 国网安徽省电力有限公司合肥供电公司 一种台区电网故障诊断方法
US12489288B2 (en) * 2023-10-24 2025-12-02 L3Harris Technologies, Inc. Multi-phase AC voltage fault detection based on virtual voltage
CN118226199B (zh) * 2024-05-21 2024-08-02 山东太平洋电力通信装备有限公司 一种用于电力输送的线缆故障检测系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198746A (en) * 1991-09-16 1993-03-30 Westinghouse Electric Corp. Transmission line dynamic impedance compensation system
WO2007103924A2 (en) * 2006-03-08 2007-09-13 Distribution Control Systems Intelligent fault detector system and method
US8525522B2 (en) * 2010-04-21 2013-09-03 Schweitzer Engineering Laboratories Inc Fault location in electric power delivery systems
US8538708B2 (en) * 2011-02-07 2013-09-17 Cisco Technology, Inc. Fast fault isolation and restoration for distribution networks
US8346207B2 (en) * 2011-05-25 2013-01-01 Ian Alexander Stewart Fault location and control system for distribution lines
CA2969546C (en) * 2014-12-01 2018-10-02 S&C Electric Company Fault detection and direction determination
US10436831B2 (en) * 2015-07-01 2019-10-08 Abb Schweiz Ag Fault location method for series-compensated double-circuit transmission lines

Also Published As

Publication number Publication date
US11378609B2 (en) 2022-07-05
AU2020245373A1 (en) 2021-10-14
US20250076364A1 (en) 2025-03-06
GB202113740D0 (en) 2021-11-10
GB2596478A (en) 2021-12-29
CA3133463A1 (en) 2020-10-01
BR112021018919B1 (pt) 2022-08-30
GB2596478B (en) 2022-07-27
CA3133463C (en) 2022-08-23
WO2020198141A1 (en) 2020-10-01
US20200309841A1 (en) 2020-10-01
BR112021018919A2 (https=) 2021-11-30
US20220308104A1 (en) 2022-09-29
AU2020245373B2 (en) 2023-03-16
US12146904B2 (en) 2024-11-19

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Effective date: 20240229

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Effective date: 20260301