IN2014DN09017A - - Google Patents

Info

Publication number
IN2014DN09017A
IN2014DN09017A IN9017DEN2014A IN2014DN09017A IN 2014DN09017 A IN2014DN09017 A IN 2014DN09017A IN 9017DEN2014 A IN9017DEN2014 A IN 9017DEN2014A IN 2014DN09017 A IN2014DN09017 A IN 2014DN09017A
Authority
IN
India
Application number
Inventor
Huaqiang Li
Original Assignee
Eaton Corp
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 Eaton Corp filed Critical Eaton Corp
Publication of IN2014DN09017A publication Critical patent/IN2014DN09017A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • 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
    • H02H3/50Emergency 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
    • H02H3/52Emergency 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 responsive to the appearance of harmonics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52Testing for short-circuits, leakage current or ground faults
    • 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
    • H02H3/16Emergency 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 fault current to earth, frame or mass
    • H02H3/162Emergency 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 fault current to earth, frame or mass for AC systems
    • H02H3/165Emergency 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 fault current to earth, frame or mass for AC systems for three-phase systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
    • H02H7/1227Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters responsive to abnormalities in the output circuit, e.g. short circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Inverter Devices (AREA)
IN9017DEN2014 2012-06-04 2014-10-28 IN2014DN09017A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/487,322 US9046560B2 (en) 2012-06-04 2012-06-04 System and method for high resistance ground fault detection and protection in power distribution systems
PCT/US2013/041753 WO2013184332A1 (en) 2012-06-04 2013-05-20 System and method for high resistance ground fault detection and protection in power distribution systems

Publications (1)

Publication Number Publication Date
IN2014DN09017A true IN2014DN09017A (en) 2015-05-22

Family

ID=48537022

Family Applications (1)

Application Number Title Priority Date Filing Date
IN9017DEN2014 IN2014DN09017A (en) 2012-06-04 2014-10-28

Country Status (9)

Country Link
US (1) US9046560B2 (en)
EP (1) EP2856591B1 (en)
KR (1) KR20150023346A (en)
CN (1) CN104364989B (en)
AU (1) AU2013272157A1 (en)
BR (1) BR112014029699A2 (en)
CA (1) CA2871134A1 (en)
IN (1) IN2014DN09017A (en)
WO (1) WO2013184332A1 (en)

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CN106249108B (en) * 2016-08-26 2019-01-22 北京丹华昊博电力科技有限公司 A kind of Fault Locating Method and positioning device of the AC in the DC system
CN106152980B (en) * 2016-09-07 2019-02-12 广东电网有限责任公司电力科学研究院 Transformer winding deformation detection method and system
US10186855B2 (en) 2016-10-04 2019-01-22 Abb Schweiz Ag Differential fault detection system
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US10756532B2 (en) 2018-07-13 2020-08-25 Kohler Co. Ground fault minimization
JP2020153743A (en) * 2019-03-19 2020-09-24 株式会社戸上電機製作所 Ground fault factor estimation device, data generation device, ground fault factor estimation method, data generation method and ground relay
KR102722106B1 (en) * 2019-04-10 2024-10-28 엘에스일렉트릭(주) Power device monitoring system and and method for monitoring thereof
CN110488136B (en) * 2019-08-12 2021-11-30 河海大学 Rotor one-point grounding fault detection method of phase modulator excitation system
CN110350500B (en) * 2019-08-13 2021-08-27 南京南瑞继保电气有限公司 Method, device, system, equipment and medium for protecting pseudo bipolar direct current distribution network
ES2798348B2 (en) * 2020-06-15 2021-08-05 Univ Madrid Politecnica EARTH FAULT DETECTION METHOD AND SYSTEM IN ELECTRICAL INSTALLATIONS WITH CONVERSION BETWEEN DIRECT CURRENT AND ALTERNATING CURRENT
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Also Published As

Publication number Publication date
WO2013184332A1 (en) 2013-12-12
CN104364989B (en) 2017-11-21
KR20150023346A (en) 2015-03-05
US20130322133A1 (en) 2013-12-05
AU2013272157A1 (en) 2014-11-06
CN104364989A (en) 2015-02-18
EP2856591B1 (en) 2017-04-19
EP2856591A1 (en) 2015-04-08
BR112014029699A2 (en) 2017-06-27
CA2871134A1 (en) 2013-12-12
US9046560B2 (en) 2015-06-02

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