CA2220053A1 - Method and apparatus for detecting arcing in ac power systems by monitoring high frequency noise - Google Patents

Method and apparatus for detecting arcing in ac power systems by monitoring high frequency noise

Info

Publication number
CA2220053A1
CA2220053A1 CA002220053A CA2220053A CA2220053A1 CA 2220053 A1 CA2220053 A1 CA 2220053A1 CA 002220053 A CA002220053 A CA 002220053A CA 2220053 A CA2220053 A CA 2220053A CA 2220053 A1 CA2220053 A1 CA 2220053A1
Authority
CA
Canada
Prior art keywords
arcing
frequency noise
high frequency
power systems
noise
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.)
Granted
Application number
CA002220053A
Other languages
French (fr)
Other versions
CA2220053C (en
Inventor
Frederick K. Blades
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.)
Siemens Industry Inc
Original Assignee
Siemens Energy & Automation, Inc.
Frederick K. Blades
Siemens Industry, Inc.
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 Siemens Energy & Automation, Inc., Frederick K. Blades, Siemens Industry, Inc. filed Critical Siemens Energy & Automation, Inc.
Publication of CA2220053A1 publication Critical patent/CA2220053A1/en
Application granted granted Critical
Publication of CA2220053C publication Critical patent/CA2220053C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G01R23/173—Wobbulating devices similar to swept panoramic receivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H2071/006—Provisions for user interfaces for electrical protection devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks

Abstract

Arcing in an AC power system is detected by monitoring the power waveform for wideband high-frequency noise, and examining the detected noise for patterns of variation in its amplitude synchronized to the power waveform. A narrowband, swept-frequency detector and synchronous averaging may be employed to improve discrimination of arc noise from background interference. An arcing fault interrupter for controlling a single circuit, and a whole house monitor, for detecting arcing anywhere in a house, are described.
CA002220053A 1995-05-02 1996-04-18 Method and apparatus for detecting arcing in ac power systems by monitoring high frequency noise Expired - Lifetime CA2220053C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/433,717 US5729145A (en) 1992-07-30 1995-05-02 Method and apparatus for detecting arcing in AC power systems by monitoring high frequency noise
US08/433,717 1995-05-02
PCT/US1996/005404 WO1996035250A1 (en) 1995-05-02 1996-04-18 Method and apparatus for detecting arcing in ac power systems by monitoring high frequency noise

Publications (2)

Publication Number Publication Date
CA2220053A1 true CA2220053A1 (en) 1996-11-07
CA2220053C CA2220053C (en) 2008-12-30

Family

ID=23721278

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002220053A Expired - Lifetime CA2220053C (en) 1995-05-02 1996-04-18 Method and apparatus for detecting arcing in ac power systems by monitoring high frequency noise

Country Status (8)

Country Link
US (1) US5729145A (en)
EP (1) EP0824776B1 (en)
KR (1) KR100378629B1 (en)
AU (1) AU5556196A (en)
CA (1) CA2220053C (en)
DE (1) DE69610420T2 (en)
ES (1) ES2151162T3 (en)
WO (1) WO1996035250A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10330713B2 (en) 2012-12-21 2019-06-25 Electro Industries/Gauge Tech Intelligent electronic device having a touch sensitive user interface

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