EP3304105A4 - Method for earth fault protection for a three-phase electrical network - Google Patents

Method for earth fault protection for a three-phase electrical network Download PDF

Info

Publication number
EP3304105A4
EP3304105A4 EP16802629.2A EP16802629A EP3304105A4 EP 3304105 A4 EP3304105 A4 EP 3304105A4 EP 16802629 A EP16802629 A EP 16802629A EP 3304105 A4 EP3304105 A4 EP 3304105A4
Authority
EP
European Patent Office
Prior art keywords
electrical network
earth fault
fault protection
phase electrical
phase
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.)
Ceased
Application number
EP16802629.2A
Other languages
German (de)
French (fr)
Other versions
EP3304105A1 (en
Inventor
Sakari Kauppinen
Risto Pitkänen
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.)
ABB Schweiz AG
Original Assignee
ABB Schweiz AG
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 Schweiz AG filed Critical ABB Schweiz AG
Publication of EP3304105A1 publication Critical patent/EP3304105A1/en
Publication of EP3304105A4 publication Critical patent/EP3304105A4/en
Ceased 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
    • G01R31/088—Aspects of digital computing
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
    • H02H3/347—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using summation current 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
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
EP16802629.2A 2015-06-03 2016-03-14 Method for earth fault protection for a three-phase electrical network Ceased EP3304105A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20155423A FI126434B (en) 2015-06-03 2015-06-03 Procedure for earth-fault protection in a three-phase mains
PCT/FI2016/050158 WO2016193529A1 (en) 2015-06-03 2016-03-14 Method for earth fault protection for a three-phase electrical network

Publications (2)

Publication Number Publication Date
EP3304105A1 EP3304105A1 (en) 2018-04-11
EP3304105A4 true EP3304105A4 (en) 2019-07-10

Family

ID=57358719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16802629.2A Ceased EP3304105A4 (en) 2015-06-03 2016-03-14 Method for earth fault protection for a three-phase electrical network

Country Status (4)

Country Link
EP (1) EP3304105A4 (en)
CN (1) CN107735690B (en)
FI (1) FI126434B (en)
WO (1) WO2016193529A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2653510C1 (en) * 2016-12-26 2018-05-10 Федеральное государственное бюджетное образовательное учреждение высшего образования "Калининградский государственный технический университет" Method for compensation of single-phase short-circuit current
RU2673799C1 (en) * 2017-11-17 2018-11-30 Общество с ограниченной ответственностью "НПП Бреслер" (ООО "НПП Бреслер") Device for automatic compensation of current of single phase-to-earth fault
EP3570399B1 (en) 2018-05-18 2022-03-16 ABB Schweiz AG Method and apparatus for use in earth-fault protection
CN110514934B (en) * 2019-09-10 2021-07-30 苏州热工研究院有限公司 Power supply reliability analysis method and system for low-voltage distribution board
RU2742825C1 (en) * 2020-01-13 2021-02-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Калининградский государственный технический университет" Method of single-phase short-circuit current compensation in conditions of uncontrolled asymmetry of phase capacitances of insulation in relation to housing
CN113949033B (en) * 2020-12-17 2023-07-18 保定钰鑫电气科技有限公司 Method for processing interphase short circuit of three-phase power supply system
CN113949043B (en) * 2020-12-17 2023-07-18 保定钰鑫电气科技有限公司 Method for processing interphase short circuit of power supply system
CN113725824B (en) * 2020-12-28 2023-12-15 保定钰鑫电气科技有限公司 Device for processing interphase short circuit
CN113644622B (en) * 2021-01-18 2023-07-18 保定钰鑫电气科技有限公司 Device for assisting in processing interphase short circuit
CN113949044B (en) * 2021-02-02 2024-02-13 保定钰鑫电气科技有限公司 Three-phase non-effective grounding power supply system
CN113725825B (en) * 2021-04-19 2023-12-05 保定钰鑫电气科技有限公司 Method for processing interphase short circuit of power supply system
CN113949046B (en) * 2021-06-30 2023-12-15 保定钰鑫电气科技有限公司 Method for processing interphase short circuit of three-phase power system
CN113949045B (en) * 2021-06-30 2024-02-09 保定钰鑫电气科技有限公司 Method for eliminating interphase short circuit of three-phase power system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0999633A2 (en) * 1998-11-02 2000-05-10 ABB Substation Automation Oy Earth-fault protection for electricity network
WO2012171694A1 (en) * 2011-06-14 2012-12-20 Dlaboratory Sweden Ab A method for detecting earth faults

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI109246B (en) * 1998-06-02 2002-06-14 Abb Oy Method and apparatus for identifying a faulty wiring output in a power distribution network in an earth fault situation
US6525543B1 (en) * 2000-10-20 2003-02-25 Schweitzer Engineering Laboratories Fault type selection system for identifying faults in an electric power system
FI118492B (en) * 2005-05-17 2007-11-30 Abb Oy A system and method for determining the location of an earth fault
EP2192416B1 (en) * 2008-11-26 2018-01-03 ABB Schweiz AG Method and apparatus for detecting a phase-to-earth fault
JP2010187446A (en) * 2009-02-10 2010-08-26 Chugoku Electric Power Co Inc:The Power cable ground fault detecting apparatus and power cable ground fault protection device
EP2402774B1 (en) * 2010-06-29 2013-05-15 ABB Technology AG Method and apparatus for determining distance to phase-to-earth fault
CN103852688B (en) * 2012-11-30 2016-11-16 施耐德电器工业公司 For the method and apparatus determining the position of earth fault
CN104345197B (en) * 2013-07-24 2017-09-15 施耐德电器工业公司 The method and apparatus of the angle of residual voltage is estimated in singlephase earth fault

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0999633A2 (en) * 1998-11-02 2000-05-10 ABB Substation Automation Oy Earth-fault protection for electricity network
WO2012171694A1 (en) * 2011-06-14 2012-12-20 Dlaboratory Sweden Ab A method for detecting earth faults

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016193529A1 *

Also Published As

Publication number Publication date
EP3304105A1 (en) 2018-04-11
CN107735690B (en) 2021-06-11
FI20155423A (en) 2016-11-30
WO2016193529A1 (en) 2016-12-08
FI126434B (en) 2016-11-30
CN107735690A (en) 2018-02-23

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