ZA200509158B - An electrical fault monitoring and control unit - Google Patents

An electrical fault monitoring and control unit Download PDF

Info

Publication number
ZA200509158B
ZA200509158B ZA200509158A ZA200509158A ZA200509158B ZA 200509158 B ZA200509158 B ZA 200509158B ZA 200509158 A ZA200509158 A ZA 200509158A ZA 200509158 A ZA200509158 A ZA 200509158A ZA 200509158 B ZA200509158 B ZA 200509158B
Authority
ZA
South Africa
Prior art keywords
electrical
load
processor
input
current
Prior art date
Application number
ZA200509158A
Other languages
English (en)
Inventor
Campetti Gianfranco
Haussermann Erich Jakob
Original Assignee
Powertech Ind Proprietary 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 Powertech Ind Proprietary Ltd filed Critical Powertech Ind Proprietary Ltd
Priority to ZA200509158A priority Critical patent/ZA200509158B/en
Publication of ZA200509158B publication Critical patent/ZA200509158B/en

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/05Details with means for increasing reliability, e.g. redundancy arrangements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/03Application domotique, e.g. for house automation, bus connected switches, sensors, loads or intelligent wiring
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0038Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0053Means for storing the measured quantities during a predetermined time
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/006Calibration or setting of parameters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/027Details with automatic disconnection after a predetermined time
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/04Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044Checking correct functioning of protective arrangements, e.g. by simulating a fault
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency 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 excess current
    • H02H3/093Emergency 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 excess current with timing means
    • H02H3/0935Emergency 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 excess current with timing means the timing being determined by numerical means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/14Protecting elements, switches, relays or circuit breakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
ZA200509158A 2003-06-12 2005-11-11 An electrical fault monitoring and control unit ZA200509158B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA200509158A ZA200509158B (en) 2003-06-12 2005-11-11 An electrical fault monitoring and control unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200304598 2003-06-12
ZA200509158A ZA200509158B (en) 2003-06-12 2005-11-11 An electrical fault monitoring and control unit

Publications (1)

Publication Number Publication Date
ZA200509158B true ZA200509158B (en) 2007-04-25

Family

ID=33553161

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200509158A ZA200509158B (en) 2003-06-12 2005-11-11 An electrical fault monitoring and control unit

Country Status (2)

Country Link
WO (1) WO2004111665A1 (fr)
ZA (1) ZA200509158B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1855120B1 (fr) * 2006-05-12 2013-05-29 Balfour Beatty PLC Dispositif pour évaluer des essais de lignes électriques
DE102006025605A1 (de) 2006-05-24 2007-11-29 Friedrich Lütze Gmbh & Co. Kg Vorrichtung zum selbsttätigen Abschalten oder Schalten eines elektrischen Verbrauchers
SI22276A (sl) * 2007-07-27 2007-10-31 Mag. Bezjak Marjan, Univ.Dipl.Ing.El Naprava in metoda za indikacijo in javljanje sprememb v trifaznem sistemu elektriäśne napetosti elektroenergetskega voda, z namenom odkrivanja prekinjenih vodnikov
WO2012148774A2 (fr) 2011-04-25 2012-11-01 Volterra Semiconductor Corporation Dispositifs de protection intégrés avec contrôle des caractéristiques électriques
US10439733B2 (en) 2014-01-13 2019-10-08 The Johns Hopkins University Fiber optic circuit breaker
CN107005043B (zh) * 2014-11-27 2018-12-21 布蒂克诺公司 用于漏电断路器的测试电路
US20160225562A1 (en) * 2015-01-29 2016-08-04 Unilectric, Llc Enhanced circuit breakers and circuit breaker panels and systems and methods using the same
CN110088462A (zh) 2016-12-22 2019-08-02 维斯塔斯风力系统集团公司 风力涡轮发电机控制系统中的电气故障检测
CN109149771A (zh) * 2018-09-11 2019-01-04 国网江苏省电力有限公司泰州供电分公司 一种基于花瓣式电网的馈线自动化测试方法
CN112737103A (zh) * 2020-12-09 2021-04-30 国网江苏省电力有限公司连云港供电分公司 一种敏感用户用电状态的监测系统及监测方法
CN112542889A (zh) * 2020-12-10 2021-03-23 国网辽宁省电力有限公司抚顺供电公司 三相负荷不平衡监控系统
CN116073522B (zh) * 2023-03-10 2023-06-02 广东正超电气有限公司 一种具备信号自检的配电自动化终端

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292717B1 (en) * 1998-03-19 2001-09-18 Siemens Energy & Automation, Inc. Energy information device and graphical display for a circuit breaker
US6415244B1 (en) * 1998-03-31 2002-07-02 Mehta Tech, Inc. Power monitoring system and method

Also Published As

Publication number Publication date
WO2004111665A1 (fr) 2004-12-23

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