WO2004092752A3 - Method for detecting fault arcs and arc monitoring device therefor - Google Patents

Method for detecting fault arcs and arc monitoring device therefor Download PDF

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Publication number
WO2004092752A3
WO2004092752A3 PCT/US2004/011352 US2004011352W WO2004092752A3 WO 2004092752 A3 WO2004092752 A3 WO 2004092752A3 US 2004011352 W US2004011352 W US 2004011352W WO 2004092752 A3 WO2004092752 A3 WO 2004092752A3
Authority
WO
WIPO (PCT)
Prior art keywords
version
arc
present
arc monitoring
monitoring
Prior art date
Application number
PCT/US2004/011352
Other languages
French (fr)
Other versions
WO2004092752A2 (en
Inventor
Michael T Parker
Original Assignee
Hendry Mechanical Works
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 Hendry Mechanical Works filed Critical Hendry Mechanical Works
Publication of WO2004092752A2 publication Critical patent/WO2004092752A2/en
Publication of WO2004092752A3 publication Critical patent/WO2004092752A3/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
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
    • 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
    • G01R31/58—Testing of lines, cables or conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/0015—Using arc detectors

Abstract

Methods and systems for reliable arc detecting in systems having power signals that experience decay or increase in amplitude. One embodiment of a system for detecting electrical arcs by monitoring an alternating current power supply comprises a sampling circuit which samples electrical signals. It further comprises a delay circuit which receives the sampling circuit output and stores a time history of the output over an interval including a past, present and future versions of the history. Causal/non-causal logic compares the present version with the past and future versions to determine which will be used as an arc monitoring version to compare the present version to for arc monitoring. A dynamic processing module compensates for any amplitude differences between the present version and the arc monitoring version. An arc monitoring circuit analyzes the present version and adjusted arc monitoring version to determine if an arc signal is present.
PCT/US2004/011352 2003-04-11 2004-04-12 Method for detecting fault arcs and arc monitoring device therefor WO2004092752A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46225003P 2003-04-11 2003-04-11
US60/462,250 2003-04-11

Publications (2)

Publication Number Publication Date
WO2004092752A2 WO2004092752A2 (en) 2004-10-28
WO2004092752A3 true WO2004092752A3 (en) 2005-01-27

Family

ID=33299924

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/011352 WO2004092752A2 (en) 2003-04-11 2004-04-12 Method for detecting fault arcs and arc monitoring device therefor

Country Status (2)

Country Link
US (1) US7187181B2 (en)
WO (1) WO2004092752A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8023235B2 (en) * 2006-10-31 2011-09-20 Siemens Industry, Inc. Multifunctional residential circuit breaker
US8421473B2 (en) * 2010-05-10 2013-04-16 Eaton Corporation Apparatus and method to detect a series arc fault of an electrical circuit
CN103336225A (en) * 2013-04-09 2013-10-02 许继集团有限公司 Insulating property online monitoring device for electronic transformer
CN104166056B (en) * 2014-07-17 2018-12-28 公安部四川消防研究所 A kind of electrical fire risk device of DC power supply electricity consumption route and implementation method
US10680427B2 (en) 2017-08-25 2020-06-09 Ford Global Technologies, Llc Hurst exponent based adaptive detection of DC arc faults in a vehicle high voltage system
WO2019183251A1 (en) * 2018-03-20 2019-09-26 Whisker Labs, Inc. Detection of electric discharges that precede fires in electrical wiring
CN112511162B (en) * 2020-11-11 2023-05-02 许继集团有限公司 Analog quantity acquisition dynamic compensation method and system
US20220319304A1 (en) * 2021-03-31 2022-10-06 Schneider Electric USA, Inc. Systems and methods for reducing alarm nuisance behaviors in an electrical system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561605A (en) * 1993-08-20 1996-10-01 Eaton Corporation Arc detection using current variation
EP1126572A2 (en) * 2000-02-14 2001-08-22 Eaton Corporation Arc fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same
US20030030448A1 (en) * 2000-03-16 2003-02-13 Michael Sapir Apparatus for the detection and early warning of electrical arcing fault

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466071A (en) * 1981-09-28 1984-08-14 Texas A&M University System High impedance fault detection apparatus and method
US5729145A (en) * 1992-07-30 1998-03-17 Siemens Energy & Automation, Inc. Method and apparatus for detecting arcing in AC power systems by monitoring high frequency noise
US5485093A (en) * 1993-10-15 1996-01-16 The Texas A & M University System Randomness fault detection system
US6522509B1 (en) * 2000-07-21 2003-02-18 Eaton Corporation Arc fault detection in ac electric power systems
US6859042B2 (en) * 2002-06-07 2005-02-22 Hendry Mechanical Works Arc detection by non-causal signal correlation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561605A (en) * 1993-08-20 1996-10-01 Eaton Corporation Arc detection using current variation
EP1126572A2 (en) * 2000-02-14 2001-08-22 Eaton Corporation Arc fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same
US20030030448A1 (en) * 2000-03-16 2003-02-13 Michael Sapir Apparatus for the detection and early warning of electrical arcing fault

Also Published As

Publication number Publication date
US7187181B2 (en) 2007-03-06
US20040263182A1 (en) 2004-12-30
WO2004092752A2 (en) 2004-10-28

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