NZ253977A - High impedance fault detector; monitoring electrical signals to isolate frequency components whose magnitudes are scaled - Google Patents

High impedance fault detector; monitoring electrical signals to isolate frequency components whose magnitudes are scaled

Info

Publication number
NZ253977A
NZ253977A NZ253977A NZ25397793A NZ253977A NZ 253977 A NZ253977 A NZ 253977A NZ 253977 A NZ253977 A NZ 253977A NZ 25397793 A NZ25397793 A NZ 25397793A NZ 253977 A NZ253977 A NZ 253977A
Authority
NZ
New Zealand
Prior art keywords
data acquisition
frequency components
fault
electrical
pattern
Prior art date
Application number
NZ253977A
Other languages
English (en)
Inventor
Majid Al-Dabbagh
Original Assignee
Technisearch 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
Application filed by Technisearch Ltd filed Critical Technisearch Ltd
Publication of NZ253977A publication Critical patent/NZ253977A/en

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
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/0015—Using arc detectors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
NZ253977A 1992-07-10 1993-07-09 High impedance fault detector; monitoring electrical signals to isolate frequency components whose magnitudes are scaled NZ253977A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPL345192 1992-07-10

Publications (1)

Publication Number Publication Date
NZ253977A true NZ253977A (en) 1997-02-24

Family

ID=3776281

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ253977A NZ253977A (en) 1992-07-10 1993-07-09 High impedance fault detector; monitoring electrical signals to isolate frequency components whose magnitudes are scaled

Country Status (5)

Country Link
US (1) US5602709A (US06534493-20030318-C00130.png)
CA (1) CA2139755A1 (US06534493-20030318-C00130.png)
NZ (1) NZ253977A (US06534493-20030318-C00130.png)
TW (1) TW242663B (US06534493-20030318-C00130.png)
WO (1) WO1994001910A1 (US06534493-20030318-C00130.png)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452223A (en) * 1993-08-20 1995-09-19 Eaton Corporation Arc detection using current variation
US6242993B1 (en) 1995-03-13 2001-06-05 Square D Company Apparatus for use in arcing fault detection systems
US6452767B1 (en) 1995-03-13 2002-09-17 Square D Company Arcing fault detection system for a secondary line of a current transformer
US6532424B1 (en) 1995-03-13 2003-03-11 Square D Company Electrical fault detection circuit with dual-mode power supply
US6377427B1 (en) 1995-03-13 2002-04-23 Square D Company Arc fault protected electrical receptacle
US6313642B1 (en) 1995-03-13 2001-11-06 Square D Company Apparatus and method for testing an arcing fault detection system
US6034611A (en) 1997-02-04 2000-03-07 Square D Company Electrical isolation device
US5825598A (en) * 1997-02-11 1998-10-20 Square D Company Arcing fault detection system installed in a panelboard
US6246556B1 (en) 1995-03-13 2001-06-12 Square D Company Electrical fault detection system
US5682101A (en) 1995-03-13 1997-10-28 Square D Company Arcing fault detection system
US6259996B1 (en) 1998-02-19 2001-07-10 Square D Company Arc fault detection system
US6313641B1 (en) 1995-03-13 2001-11-06 Square D Company Method and system for detecting arcing faults and testing such system
US5835321A (en) * 1996-08-02 1998-11-10 Eaton Corporation Arc fault detection apparatus and circuit breaker incorporating same
US5834940A (en) * 1996-09-24 1998-11-10 Brooks; Stanley J. Arcing fault detector testing and demonstration system
JPH10170596A (ja) * 1996-12-09 1998-06-26 Hitachi Ltd 絶縁機器診断システム及び部分放電検出法
US5847913A (en) 1997-02-21 1998-12-08 Square D Company Trip indicators for circuit protection devices
US5839092A (en) 1997-03-26 1998-11-17 Square D Company Arcing fault detection system using fluctuations in current peaks and waveforms
US5946179A (en) 1997-03-25 1999-08-31 Square D Company Electronically controlled circuit breaker with integrated latch tripping
US6002561A (en) * 1998-01-14 1999-12-14 General Electric Company Arcing fault detection module
US5986860A (en) 1998-02-19 1999-11-16 Square D Company Zone arc fault detection
US6782329B2 (en) 1998-02-19 2004-08-24 Square D Company Detection of arcing faults using bifurcated wiring system
US6477021B1 (en) 1998-02-19 2002-11-05 Square D Company Blocking/inhibiting operation in an arc fault detection system
US6621669B1 (en) 1998-02-19 2003-09-16 Square D Company Arc fault receptacle with a feed-through connection
US6625550B1 (en) 1998-02-19 2003-09-23 Square D Company Arc fault detection for aircraft
US6243652B1 (en) 1998-06-10 2001-06-05 Hubbell Incorporated System for concurrent digital measurement of peak voltage and RMS voltage in high voltage system
US6242900B1 (en) 1998-06-10 2001-06-05 Hubble Incorporated System for measuring partial discharge using digital peak detection
US6239586B1 (en) 1998-06-10 2001-05-29 Hubbell Incorporated System for digital measurement of breakdown voltage of high voltage samples
US6275044B1 (en) 1998-07-15 2001-08-14 Square D Company Arcing fault detection system
US6198401B1 (en) * 1999-02-12 2001-03-06 Mcgraw Edison Company Detection of sub-cycle, self-clearing faults
US6292340B1 (en) 1999-04-09 2001-09-18 Electrical Materials Company Apparatus for isolation of high impedance faults
US6434715B1 (en) * 1999-06-14 2002-08-13 General Electric Company Method of detecting systemic fault conditions in an intelligent electronic device
US6459998B1 (en) * 1999-07-24 2002-10-01 Gary R. Hoffman Sensing downed power lines
ES2170677B1 (es) * 2000-06-29 2003-12-16 Fanox Electronic S L Sistema de proteccion para faltas de alta impedancia en lineas de distribucion electrica.
US6522509B1 (en) * 2000-07-21 2003-02-18 Eaton Corporation Arc fault detection in ac electric power systems
JP4250347B2 (ja) * 2000-08-21 2009-04-08 株式会社東芝 不良クラスタリング検索方法、不良クラスタリング検索装置、不良クラスタリング検索プログラムを格納した記録媒体、救済回路最適化方法、工程管理方法、クリーンルーム管理方法、半導体装置の製造方法、問題工程及び問題装置の抽出方法、問題工程及び問題装置の抽出プログラムを格納した記録媒体、問題工程及び問題装置の抽出装置、及び検索母体のスクラップ判断方法
US6751528B1 (en) * 2000-11-27 2004-06-15 General Electric Company Residential circuit arc detection
DE10120751A1 (de) * 2001-04-23 2002-11-21 Siemens Ag Überstromauslösevorrichtung mit Erfassung der Kurvenform eines zu überwachenden Stromes
US6741943B2 (en) * 2001-09-13 2004-05-25 Abb Power Automation Ltd. Crossover fault classification for power lines with parallel circuits
US6721670B2 (en) 2001-09-13 2004-04-13 Abb Power Automation Ltd. Crossover fault classification for power lines with parallel circuits
US6760670B2 (en) * 2001-09-13 2004-07-06 Abb Power Automation Ltd. Crossover fault classification for power lines with parallel circuits
US6738719B2 (en) * 2001-09-13 2004-05-18 Abb Power Automation Ltd. Crossover fault classification for power lines with parallel circuits
US7136265B2 (en) * 2001-10-17 2006-11-14 Square D Company Load recognition and series arc detection using bandpass filter signatures
US6717786B2 (en) 2001-10-30 2004-04-06 The Boeing Company Automatic voltage source selector for circuit breakers utilizing electronics
US7038897B2 (en) * 2003-02-12 2006-05-02 Honeywell International Inc. Arc fault detection system
US7627029B2 (en) * 2003-05-20 2009-12-01 Rambus Inc. Margin test methods and circuits
US7069116B2 (en) * 2004-02-02 2006-06-27 Abb Inc. High impedance fault detection
US7272515B2 (en) * 2004-03-16 2007-09-18 Abb Technology Ag Digital signal processor implementation of high impedance fault algorithms
US7062388B2 (en) * 2004-03-18 2006-06-13 General Electric Company Series arc detection
US7460346B2 (en) * 2005-03-24 2008-12-02 Honeywell International Inc. Arc fault detection and confirmation using voltage and current analysis
US7292011B2 (en) * 2005-08-23 2007-11-06 Hamilton Sundstrand Corporation Electrical protection of a generator controller
US20070218020A1 (en) * 2006-03-16 2007-09-20 Tomasi Nestor S Composition and method for providing protection from dermatitis, from urushiol and/or from sunlight
US7253634B1 (en) * 2006-03-31 2007-08-07 General Electric Company Generator protection methods and systems self-tuning to a plurality of characteristics of a machine
US7720619B2 (en) * 2006-08-04 2010-05-18 Schweitzer Engineering Laboratories, Inc. Systems and methods for detecting high-impedance faults in a multi-grounded power distribution system
US20080155293A1 (en) * 2006-09-29 2008-06-26 Schweitzer Engineering Laboratories, Inc. Apparatus, systems and methods for reliably detecting faults within a power distribution system
WO2008069988A2 (en) * 2006-12-01 2008-06-12 Abb Technology Ag Method and apparatus for detecting high impedance fault
US8041571B2 (en) * 2007-01-05 2011-10-18 International Business Machines Corporation Application of speech and speaker recognition tools to fault detection in electrical circuits
US8072715B2 (en) * 2008-07-16 2011-12-06 Huntington Ingalls Incorporated Method, apparatus and computer program product for fault protection
EP2204660B1 (de) 2008-12-30 2018-06-27 Omicron electronics GmbH Vorrichtung und verfahren zum bestimmen von teilentladungen an einer elektrischen komponente
US9232590B2 (en) 2009-08-14 2016-01-05 Once Innovations, Inc. Driving circuitry for LED lighting with reduced total harmonic distortion
CN102612862B (zh) * 2009-08-14 2015-06-03 万斯创新股份有限公司 可调光交流led照明的频谱偏移控制
US9433046B2 (en) 2011-01-21 2016-08-30 Once Innovations, Inc. Driving circuitry for LED lighting with reduced total harmonic distortion
US9380665B2 (en) 2009-08-14 2016-06-28 Once Innovations, Inc. Spectral shift control for dimmable AC LED lighting
US8373363B2 (en) 2009-08-14 2013-02-12 Once Innovations, Inc. Reduction of harmonic distortion for LED loads
US8336352B2 (en) * 2010-01-25 2012-12-25 Aclara Power-Line Systems, Inc. Transient detector and fault classifier for a power distribution system
US9482397B2 (en) 2010-03-17 2016-11-01 Once Innovations, Inc. Light sources adapted to spectral sensitivity of diurnal avians and humans
AU2010358396B2 (en) * 2010-07-26 2016-05-05 Prysmian S.P.A. Apparatus and method for monitoring an electric power transmission system through partial discharges analysis
US8441768B2 (en) 2010-09-08 2013-05-14 Schweitzer Engineering Laboratories Inc Systems and methods for independent self-monitoring
US8346207B2 (en) 2011-05-25 2013-01-01 Ian Alexander Stewart Fault location and control system for distribution lines
US9374985B2 (en) 2011-12-14 2016-06-28 Once Innovations, Inc. Method of manufacturing of a light emitting system with adjustable watt equivalence
US9007731B2 (en) 2012-03-26 2015-04-14 Schweitzer Engineering Laboratories, Inc. Leveraging inherent redundancy in a multifunction IED
US9274149B2 (en) 2012-04-16 2016-03-01 Hamilton Sundstrand Corporation Frequency phase detection three phase system
CN102707143B (zh) * 2012-05-31 2014-11-26 北京航空航天大学 采用灰色多周期模型提取电磁频谱中谐波分量的方法
AU2013295526B2 (en) 2012-07-27 2017-03-30 San Diego Gas & Electric Company System for detecting a falling electric power conductor and related methods
US20140058202A1 (en) * 2012-08-21 2014-02-27 Robert Rife Bronchoscope cleaning device and method
US8903324B1 (en) * 2012-09-24 2014-12-02 Anritsu Company Passive intermodulation (PIM) distance-to-fault analyzer and method to resolve distance-to-fault within a constrained receive band
US9255674B2 (en) 2012-10-04 2016-02-09 Once Innovations, Inc. Method of manufacturing a light emitting diode lighting assembly
AU2013328964B2 (en) 2012-10-12 2016-02-18 Schweitzer Engineering Laboratories, Inc. Coordinated high-impedance fault detection systems and methods
US9210598B1 (en) 2013-03-14 2015-12-08 Anritsu Company Systems and methods for measuring passive intermodulation (PIM) and return loss
US9331633B1 (en) 2013-03-15 2016-05-03 Anritsu Company System and method for eliminating intermodulation
US9136692B2 (en) 2013-06-11 2015-09-15 Electrical Materials Company Low fault current isolator system
FR3007529B1 (fr) * 2013-06-21 2015-07-24 Schneider Electric Ind Sas Procede et dispositif de detection d'arc electrique
US10237956B2 (en) 2013-08-02 2019-03-19 Once Innovations, Inc. System and method of illuminating livestock
US9588212B1 (en) 2013-09-10 2017-03-07 Anritsu Company Method of calibrating a measurement instrument for determining direction and distance to a source of passive intermodulation (PIM)
EP3091832A4 (en) 2014-01-07 2017-10-04 Once Innovations, Inc. System and method of enhancing swine reproduction
US9247603B2 (en) 2014-02-11 2016-01-26 Once Innovations, Inc. Shunt regulator for spectral shift controlled light source
US9455792B1 (en) 2015-01-21 2016-09-27 Anritsu Company System and method for measuring passive intermodulation (PIM) in a device under test (DUT)
US9768892B1 (en) 2015-03-30 2017-09-19 Anritsu Company Pulse modulated passive intermodulation (PIM) measuring instrument with reduced noise floor
US9977068B1 (en) 2015-07-22 2018-05-22 Anritsu Company Frequency multiplexer for use with instruments for measuring passive intermodulation (PIM)
CN105388396B (zh) * 2015-11-04 2018-10-26 中国矿业大学 一种用序有功增量电流方向追溯电压暂降源的方法
EP3437437B1 (en) 2016-03-29 2023-07-26 Signify North America Corporation System and method of illuminating livestock
DE102016208322B4 (de) * 2016-05-13 2020-11-26 Bender Gmbh & Co. Kg Verfahren und Vorrichtung zur Fehlerlichtbogen-Erkennung in einem ungeerdeten Stromversorgungssystem
CN105911434B (zh) * 2016-07-01 2018-10-19 清华大学 多谐波源干扰下的配电网高阻接地故障检测方法
US10161986B2 (en) 2016-10-17 2018-12-25 Schweitzer Engineering Laboratories, Inc. Electric power system monitoring using distributed conductor-mounted devices
CN106443352B (zh) * 2016-10-27 2019-06-07 山东科技大学 一种中性点不接地电网单相接地故障选线的方法
EP3577475A1 (en) * 2017-03-02 2019-12-11 Rosemount Inc. Trending functions for partial discharge
CN109217350A (zh) * 2017-06-30 2019-01-15 天津平高智能电气有限公司 一种光伏并网逆变器孤岛检测方法和光伏逆变控制系统
JP6897603B2 (ja) * 2018-02-28 2021-06-30 オムロン株式会社 ケーブル断線予兆検知装置
DK3757583T3 (da) * 2019-06-25 2023-01-16 Reactive Tech Limited System til bestemmelse af elektriske parametre af et elektrisk forsyningsnet
CN110376489B (zh) * 2019-08-13 2021-07-27 南京东博智慧能源研究院有限公司 一种智能配电网故障电弧检测系统
US11313895B2 (en) 2019-09-24 2022-04-26 Rosemount Inc. Antenna connectivity with shielded twisted pair cable
RU201026U1 (ru) * 2020-06-05 2020-11-24 Федеральное государственное бюджетное образовательное учреждение высшего образования Иркутский государственный университет путей сообщения (ФГБОУ ВО ИрГУПС) Устройство третьей ступени дистанционной защиты фидеров контактной сети
CN114646795B (zh) * 2022-03-28 2023-08-25 广东电网有限责任公司江门供电局 基于频域分析的配电终端热插拔模块监测装置

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
US4871971A (en) * 1987-01-15 1989-10-03 Jeerings Donald I High impedance fault analyzer in electric power distribution networks
US5185684A (en) * 1991-03-28 1993-02-09 Eaton Corporation Frequency selective arc detection
JPH06508974A (ja) * 1991-08-01 1994-10-06 シーメンス アクチエンゲゼルシヤフト 変換装置内の障害検出方法および装置
AU628270B1 (en) * 1992-03-12 1992-09-10 Togami Electric Mfg. Co., Ltd. Downed conductor automatic detecting device

Also Published As

Publication number Publication date
CA2139755A1 (en) 1994-01-20
US5602709A (en) 1997-02-11
WO1994001910A1 (en) 1994-01-20
TW242663B (US06534493-20030318-C00130.png) 1995-03-11

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