SG10201506265UA - Method for detection of leakage or fault currents from equipment in an electrical power system - Google Patents
Method for detection of leakage or fault currents from equipment in an electrical power systemInfo
- Publication number
- SG10201506265UA SG10201506265UA SG10201506265UA SG10201506265UA SG10201506265UA SG 10201506265U A SG10201506265U A SG 10201506265UA SG 10201506265U A SG10201506265U A SG 10201506265UA SG 10201506265U A SG10201506265U A SG 10201506265UA SG 10201506265U A SG10201506265U A SG 10201506265UA
- Authority
- SG
- Singapore
- Prior art keywords
- leakage
- detection
- equipment
- electrical power
- power system
- Prior art date
Links
Classifications
-
- 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
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
-
- 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
-
- 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
-
- 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
-
- 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
- H02H3/46—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 frequency deviations
-
- 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
- H02H3/50—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 the appearance of abnormal wave forms, e.g. ac in dc installations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2010902478A AU2010902478A0 (en) | 2010-06-07 | Method for Detection of Leakage or Fault Currents from Equipment in an Electrical Power System |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10201506265UA true SG10201506265UA (en) | 2015-10-29 |
Family
ID=45097396
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG2012090221A SG186227A1 (en) | 2010-06-07 | 2011-06-07 | Method for detection of leakage or fault currents from equipment in an electrical power system |
SG10201506265UA SG10201506265UA (en) | 2010-06-07 | 2011-06-07 | Method for detection of leakage or fault currents from equipment in an electrical power system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG2012090221A SG186227A1 (en) | 2010-06-07 | 2011-06-07 | Method for detection of leakage or fault currents from equipment in an electrical power system |
Country Status (9)
Country | Link |
---|---|
US (1) | US9322865B2 (en) |
EP (1) | EP2577329A4 (en) |
CN (1) | CN103168245B (en) |
AU (1) | AU2011264414B2 (en) |
CA (1) | CA2800584A1 (en) |
RU (1) | RU2581773C2 (en) |
SG (2) | SG186227A1 (en) |
WO (1) | WO2011153581A1 (en) |
ZA (1) | ZA201208850B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11329589B2 (en) | 2012-03-28 | 2022-05-10 | Joy Global Underground Mining Llc | Ground fault detection methods on variable frequency drive systems |
CN103743942B (en) * | 2013-12-19 | 2016-08-17 | 中国航天时代电子公司 | A kind of priming system creepage detection method of the distribution module containing solid-state relay |
KR20150081943A (en) * | 2014-01-07 | 2015-07-15 | 엘에스산전 주식회사 | Earth leakage circuit breaker |
EP3134789B1 (en) * | 2014-04-25 | 2023-08-09 | Bombardier Inc. | Monitor performance analysis |
CN104635044B (en) * | 2015-02-05 | 2017-05-24 | 广东电网有限责任公司电力科学研究院 | Power signal frequency detection method and system based on amplitude modulation |
EP3136526B8 (en) * | 2015-08-25 | 2022-12-21 | GE Energy Power Conversion Technology Ltd | Ground fault protection methods |
CN105372495B (en) * | 2015-12-10 | 2016-11-30 | 广东蓄能发电有限公司 | The frequency of a kind of Frequency sinusoidal wave form data and phasor extraction computational methods |
CN105510773B (en) * | 2016-01-28 | 2018-09-21 | 广州优维电子科技有限公司 | A kind of DC System Grounding Fault Detecting Device |
CN106125014A (en) * | 2016-07-27 | 2016-11-16 | 四川欧伦电气设备有限公司 | A kind of laboratory insulating power supply insulation fault location system |
RU169658U1 (en) * | 2016-10-18 | 2017-03-28 | Андрей Константинович Кутепов | Power cable harness |
RU2650844C1 (en) * | 2017-05-29 | 2018-04-17 | Виктор Владимирович Моршнев | Digital transducer of current of compensatory type |
US10761129B2 (en) * | 2018-04-03 | 2020-09-01 | Shimi Nakash | Electrical power supply panel with increased safety through monitoring and control |
US11175349B2 (en) | 2018-06-12 | 2021-11-16 | Eaton Intelligent Power Limited | Electrical system |
EP3582355B1 (en) * | 2018-06-12 | 2023-12-13 | Eaton Intelligent Power Limited | Electrical system with ground fault detection unit |
CN109541361A (en) * | 2018-12-28 | 2019-03-29 | 深圳供电局有限公司 | A kind of public affairs low pressure side branch's load heavy duty prior-warning device and method |
US11522361B2 (en) | 2019-02-19 | 2022-12-06 | Honeywell International Inc. | Single event latch-up protection for fault current residing inside the normal operating current range |
US11101644B2 (en) | 2019-02-19 | 2021-08-24 | Honeywell International Inc. | Single event latch-up protection for fault current residing inside the normal operating current range |
CN112630683A (en) * | 2020-12-10 | 2021-04-09 | 山东恒邦智能设备有限公司 | Checking and repairing point system for local electric leakage of high-voltage switch cabinet |
EP4247123A1 (en) * | 2022-03-17 | 2023-09-20 | Tridonic GmbH & Co KG | Led module with isolation fault detection |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4206398A (en) * | 1978-04-26 | 1980-06-03 | Esb Incorporated | Method of and apparatus for detecting ground faults in isolated power supply systems |
FR2622369B1 (en) | 1987-10-23 | 1990-02-09 | Serd Soc Et Realisa Disjonct | SELECTIVE DIFFERENTIAL SWITCH WITH FAULT CURRENT |
US5060166A (en) | 1989-12-06 | 1991-10-22 | Abb Power T&D Company Inc. | Method and apparatus for rapidly analyzing AC waveforms containing DC offsets |
GB2283890B (en) * | 1991-02-11 | 1995-07-26 | Hewlett Packard Co | Sampling signal analyzer |
US5648723A (en) * | 1994-05-09 | 1997-07-15 | Adb-Alnaco, Inc. | Method and apparatus for separating and analyzing composite AC/DC waveforms |
US5646512A (en) * | 1995-08-30 | 1997-07-08 | Beckwith; Robert W. | Multifunction adaptive controls for tapswitches and capacitors |
US5809045A (en) * | 1996-09-13 | 1998-09-15 | General Electric Company | Digital current differential system |
NL1006104C2 (en) | 1997-05-21 | 1998-11-25 | Holec Holland Nv | Earth leakage detection circuit. |
DE19819219C1 (en) * | 1998-04-29 | 1999-09-30 | Siemens Ag | Electrode line monitoring method for bipolar HV DC transmission installation |
WO2001013143A1 (en) * | 1999-08-11 | 2001-02-22 | Aegis Pty Ltd | Locating device and method |
GB0000067D0 (en) | 2000-01-06 | 2000-02-23 | Delta Electrical Limited | Current detector and current measurement apparatus including such detector with temparature compensation |
GB2412511B (en) | 2001-06-08 | 2005-11-30 | Eaton Electric Ltd | Measuring devices |
US6977518B2 (en) * | 2002-11-11 | 2005-12-20 | Matsushita Electric Works, Ltd. | Electrical leak detecting apparatus |
WO2006025870A2 (en) * | 2004-08-26 | 2006-03-09 | Springbok Incorporated | Method of precisely determining the location, and validity of a fault on an electrical transmission system |
EP1903651A4 (en) * | 2005-07-12 | 2017-04-19 | Komatsu Ltd. | Leakage detector of vehicle-mounted power supply system |
AU2007283998B2 (en) * | 2006-08-18 | 2010-12-02 | Aurora Energy Pty Ltd | Method and apparatus for detecting a fault in a supply line |
RU2328009C1 (en) * | 2006-12-25 | 2008-06-27 | Государственное унитарное предприятие "Всероссийский электротехнический институт им. В.И. Ленина" | Device for monitoring of high-voltage bushing and annunciation of their insulation condition |
JP4935455B2 (en) * | 2007-03-27 | 2012-05-23 | 富士電機機器制御株式会社 | Earth leakage detector |
KR100896091B1 (en) * | 2007-06-28 | 2009-05-14 | 주식회사 에렐 | Measuring instrument for a resistive electric leakage current |
WO2009028837A1 (en) * | 2007-08-29 | 2009-03-05 | Powertron Engineering Co., Ltd | Aging status diagnostic apparatus for power conversion system, and method their of |
US8908338B2 (en) * | 2009-06-03 | 2014-12-09 | Siemens Industry, Inc. | Methods and apparatus for multi-frequency ground fault circuit interrupt grounded neutral fault detection |
-
2011
- 2011-06-07 US US13/702,664 patent/US9322865B2/en active Active
- 2011-06-07 SG SG2012090221A patent/SG186227A1/en unknown
- 2011-06-07 EP EP11791744.3A patent/EP2577329A4/en not_active Withdrawn
- 2011-06-07 WO PCT/AU2011/000705 patent/WO2011153581A1/en active Application Filing
- 2011-06-07 CN CN201180036160.6A patent/CN103168245B/en not_active Expired - Fee Related
- 2011-06-07 RU RU2012155084/28A patent/RU2581773C2/en not_active IP Right Cessation
- 2011-06-07 CA CA2800584A patent/CA2800584A1/en active Pending
- 2011-06-07 SG SG10201506265UA patent/SG10201506265UA/en unknown
- 2011-06-07 AU AU2011264414A patent/AU2011264414B2/en active Active
-
2012
- 2012-11-22 ZA ZA2012/08850A patent/ZA201208850B/en unknown
Also Published As
Publication number | Publication date |
---|---|
RU2012155084A (en) | 2014-07-20 |
AU2011264414B2 (en) | 2016-09-15 |
CN103168245A (en) | 2013-06-19 |
RU2581773C2 (en) | 2016-04-20 |
CA2800584A1 (en) | 2011-12-15 |
EP2577329A1 (en) | 2013-04-10 |
AU2011264414A1 (en) | 2012-12-13 |
CN103168245B (en) | 2016-08-24 |
US20130258537A1 (en) | 2013-10-03 |
US9322865B2 (en) | 2016-04-26 |
WO2011153581A1 (en) | 2011-12-15 |
ZA201208850B (en) | 2014-01-29 |
EP2577329A4 (en) | 2018-01-10 |
SG186227A1 (en) | 2013-01-30 |
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