AU2008338291B2 - Method and apparatus for detecting a fault in a neutral return line of an electrical network - Google Patents

Method and apparatus for detecting a fault in a neutral return line of an electrical network Download PDF

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Publication number
AU2008338291B2
AU2008338291B2 AU2008338291A AU2008338291A AU2008338291B2 AU 2008338291 B2 AU2008338291 B2 AU 2008338291B2 AU 2008338291 A AU2008338291 A AU 2008338291A AU 2008338291 A AU2008338291 A AU 2008338291A AU 2008338291 B2 AU2008338291 B2 AU 2008338291B2
Authority
AU
Australia
Prior art keywords
network
return line
neutral return
discontinuity
impedance
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
AU2008338291A
Other languages
English (en)
Other versions
AU2008338291A1 (en
Inventor
Bryan Douglas Holter
Erickson Bruce Myers
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.)
Aurora Energy Pty Ltd
Original Assignee
Aurora Energy Pty Ltd
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
Priority claimed from AU2007906977A external-priority patent/AU2007906977A0/en
Application filed by Aurora Energy Pty Ltd filed Critical Aurora Energy Pty Ltd
Priority to AU2008338291A priority Critical patent/AU2008338291B2/en
Publication of AU2008338291A1 publication Critical patent/AU2008338291A1/en
Application granted granted Critical
Publication of AU2008338291B2 publication Critical patent/AU2008338291B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity
    • 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
    • G01R31/58—Testing of lines, cables or conductors
    • 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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/17—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 fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
AU2008338291A 2007-12-19 2008-09-17 Method and apparatus for detecting a fault in a neutral return line of an electrical network Ceased AU2008338291B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2008338291A AU2008338291B2 (en) 2007-12-19 2008-09-17 Method and apparatus for detecting a fault in a neutral return line of an electrical network

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2007906977 2007-12-19
AU2007906977A AU2007906977A0 (en) 2007-12-19 Method and apparatus for detecting a fault in a neutral return line of an electrical network
AU2008338291A AU2008338291B2 (en) 2007-12-19 2008-09-17 Method and apparatus for detecting a fault in a neutral return line of an electrical network
PCT/AU2008/001372 WO2009076697A1 (en) 2007-12-19 2008-09-17 Method and apparatus for detecting a fault in a neutral return line of an electrical network

Publications (2)

Publication Number Publication Date
AU2008338291A1 AU2008338291A1 (en) 2009-06-25
AU2008338291B2 true AU2008338291B2 (en) 2012-10-04

Family

ID=40795097

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2008338291A Ceased AU2008338291B2 (en) 2007-12-19 2008-09-17 Method and apparatus for detecting a fault in a neutral return line of an electrical network

Country Status (18)

Country Link
US (1) US20100301883A1 (enExample)
EP (1) EP2232279A4 (enExample)
JP (1) JP2011506978A (enExample)
KR (1) KR20100105703A (enExample)
CN (1) CN101903782B (enExample)
AU (1) AU2008338291B2 (enExample)
BR (1) BRPI0821592A2 (enExample)
CA (1) CA2708067A1 (enExample)
CO (1) CO6300885A2 (enExample)
CR (1) CR11484A (enExample)
EG (1) EG25668A (enExample)
GT (1) GT201000183A (enExample)
MX (1) MX2010006362A (enExample)
NZ (1) NZ585914A (enExample)
RU (1) RU2488131C2 (enExample)
UA (1) UA100997C2 (enExample)
WO (1) WO2009076697A1 (enExample)
ZA (1) ZA201003943B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102135586B (zh) * 2010-01-22 2014-08-13 西门子公司 检测电网电压异常事件的方法、装置和电源监控设备
EP2628236B1 (en) 2010-10-14 2016-01-06 Koninklijke Philips N.V. Operational state determination apparatus
KR200460411Y1 (ko) * 2011-04-14 2012-05-24 김동균 누전 케이블 탐지기
FR2994275B1 (fr) * 2012-07-31 2014-08-29 Schneider Electric Ind Sas Systeme de detection d'une variation d'impedance d'un conducteur de neutre, poste de transformation comprenant un tel systeme et procede de detection d'une variation d'impedance d'un conducteur de neutre avec un tel systeme
US9577423B2 (en) * 2013-04-11 2017-02-21 Eaton Corporation Power system including a load panel protecting a facility from a broken or missing neutral of a split phase electrical distribution configuration
US9335363B2 (en) * 2013-04-11 2016-05-10 Eaton Corporation Missing or broken neutral monitoring circuit for split phase electrical distribution configurations
AU2015271654B2 (en) * 2014-06-05 2020-10-01 Kevin Stephen Davies System and method for detecting connector faults in power conversion system
US10473729B2 (en) * 2016-09-09 2019-11-12 Cisco Technology, Inc. Active AC power loss detection
CN108732425B (zh) * 2018-07-07 2020-10-13 国网福建省电力有限公司 一种低压配网供电线路电阻值实时监测方法
JP2021056172A (ja) * 2019-10-02 2021-04-08 三菱電機株式会社 診断装置、診断システム、及び診断方法
US11347193B2 (en) 2020-02-15 2022-05-31 International Business Machines Corporation Automating reactive impedance measurements
US11682904B2 (en) 2021-09-24 2023-06-20 Cisco Technology, Inc. Three-phase AC load unbalance detection and balancing method and circuit
FR3137178B1 (fr) * 2022-06-28 2024-05-10 Sagemcom Energy & Telecom Sas Détection de perte de neutre ou de phase

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999012048A1 (en) * 1997-08-28 1999-03-11 Electricity Supply Board Fault detection apparatus and method of detecting faults in an electrical distribution network

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
EP0075418B1 (en) * 1981-09-10 1986-02-26 Patented Devices (Proprietary) Limited Cable testing
CN1026194C (zh) * 1992-04-18 1994-10-12 南京建筑工程学院 多功能绝缘监视仪
IL109607A (en) * 1994-05-10 1997-04-15 Hayim Nevo Grounding fault detection system
US5650728A (en) * 1995-04-03 1997-07-22 Hubbell Incorporated Fault detection system including a capacitor for generating a pulse and a processor for determining admittance versus frequency of a reflected pulse
US6072317A (en) * 1998-03-27 2000-06-06 Eaton Corporation Plug-in multifunction tester for AC electrical distribution system
JP2000074972A (ja) * 1998-08-31 2000-03-14 Miwa Electric Co Ltd 単相三線方式配電線における中性線の欠相検出方法およびこれに使用する検出器
JP2000173414A (ja) * 1998-12-02 2000-06-23 Mitsubishi Electric Corp 単相三線式回路遮断器およびその試験方法
US6421618B1 (en) * 1998-12-28 2002-07-16 General Electric Company Incipient leakage current fault detection apparatus and method
US6888708B2 (en) * 2001-06-20 2005-05-03 Post Glover Resistors, Inc. Method and apparatus for control and detection in resistance grounded electrical systems
RU2230415C1 (ru) * 2002-10-17 2004-06-10 Южно-Уральский государственный университет Устройство контроля непрерывности нулевого проводника в воздушных линиях 0,4 кв
JP2004187435A (ja) * 2002-12-05 2004-07-02 Mitsubishi Electric Corp 三相四線式交流電源の逆相及び欠相検出装置
WO2008019446A1 (en) * 2006-08-18 2008-02-21 Aurora Energy Pty Ltd Method and apparatus for detecting a fault in a supply line
US7847562B2 (en) * 2006-11-29 2010-12-07 2D2C, Inc. Method and apparatus for detection of resistive fault conditions
WO2010031148A1 (en) * 2009-04-17 2010-03-25 Aurora Energy Pty Ltd Method and apparatus for detecting a fault in an active line, neutral return line or earth return path of an electrical network

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999012048A1 (en) * 1997-08-28 1999-03-11 Electricity Supply Board Fault detection apparatus and method of detecting faults in an electrical distribution network

Also Published As

Publication number Publication date
CO6300885A2 (es) 2011-07-21
CN101903782A (zh) 2010-12-01
ZA201003943B (en) 2011-03-30
AU2008338291A1 (en) 2009-06-25
RU2488131C2 (ru) 2013-07-20
CN101903782B (zh) 2013-09-04
WO2009076697A1 (en) 2009-06-25
EP2232279A4 (en) 2015-07-29
CA2708067A1 (en) 2009-06-25
EG25668A (en) 2012-05-13
EP2232279A1 (en) 2010-09-29
NZ585914A (en) 2013-03-28
BRPI0821592A2 (pt) 2015-06-23
UA100997C2 (ru) 2013-02-25
JP2011506978A (ja) 2011-03-03
CR11484A (es) 2010-09-03
KR20100105703A (ko) 2010-09-29
MX2010006362A (es) 2010-09-10
GT201000183A (es) 2012-03-30
US20100301883A1 (en) 2010-12-02
RU2010129448A (ru) 2012-01-27

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired