ZA200509158B - An electrical fault monitoring and control unit - Google Patents
An electrical fault monitoring and control unit Download PDFInfo
- 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
Links
- 238000012544 monitoring process Methods 0.000 title claims description 69
- 238000012360 testing method Methods 0.000 claims description 70
- 230000004044 response Effects 0.000 claims description 36
- 238000010616 electrical installation Methods 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 11
- 238000004422 calculation algorithm Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000013475 authorization Methods 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000012795 verification Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 claims description 3
- 230000036541 health Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- H02H3/02—Details
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/03—Application domotique, e.g. for house automation, bus connected switches, sensors, loads or intelligent wiring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
- H02H1/0053—Means for storing the measured quantities during a predetermined time
-
- 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
- H02H3/006—Calibration or setting of parameters
-
- 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
- H02H3/02—Details
- H02H3/027—Details with automatic disconnection after a predetermined time
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
-
- 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
- H02H3/08—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 excess current
- H02H3/093—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 excess current with timing means
- H02H3/0935—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 excess current with timing means the timing being determined by numerical means
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/14—Protecting 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)
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)
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)
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 |
-
2004
- 2004-04-05 WO PCT/IB2004/001034 patent/WO2004111665A1/fr active Application Filing
-
2005
- 2005-11-11 ZA ZA200509158A patent/ZA200509158B/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2004111665A1 (fr) | 2004-12-23 |
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