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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EP2897280B1 (en) * 2014-01-16 2018-11-14 ABB Schweiz AG Method and device for estimating power and/or current of inverter
US20150346266A1 (en) * 2014-05-30 2015-12-03 Eaton Corporation System and method for pulsed ground fault detection and localization
CN105675998B (en) * 2014-11-18 2019-05-17 台达电子工业股份有限公司 Footing impedance measuring apparatus and its operating method
TWI553318B (en) * 2014-11-18 2016-10-11 台達電子工業股份有限公司 Grounding resistance measurement apparatus and method of operating the same
JP6300254B2 (en) * 2015-02-16 2018-03-28 株式会社日立製作所 Control device for power conversion device, power conversion device, and motor drive system, compressor drive system, and gas turbine power generation system using them
US9915687B2 (en) * 2015-03-27 2018-03-13 Liebert Corporation Real current meter
CN104914352B (en) * 2015-05-07 2017-09-29 国家电网公司 A kind of NUGS method for locating single-phase ground fault differentiated based on harmonic wave difference
EP3118982B1 (en) * 2015-07-16 2020-09-02 GE Energy Power Conversion Technology Ltd Fault ride through in a marine power distribution system
US10598715B2 (en) 2015-08-25 2020-03-24 Eaton Intelligent Power Limited System and method for automatic high resistance ground pulse activation and detection
US20190137557A1 (en) * 2015-09-09 2019-05-09 Beijing Inhand Networks Technology Co., Ltd. Method and system for detecting and locating single-phase ground fault on low current grounded power-distribution network
WO2017061981A1 (en) 2015-10-05 2017-04-13 General Electric Company Method and system for locating ground faults in a network of drives
DE102016100671A1 (en) * 2016-01-15 2017-07-20 Phoenix Contact Gmbh & Co. Kg Method and device for short-circuit monitoring of a three-phase load
WO2017208197A1 (en) * 2016-06-01 2017-12-07 Universidad Pontificia Bolivariana Method and device for detecting faults in transmission and distribution systems
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CN106338675B (en) * 2016-08-26 2019-01-22 北京丹华昊博电力科技有限公司 DC Line Fault localization method and device based on multiple branch circuit current amplitude phase bit comparison
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 A kind of deformation of transformer winding detection method and system
US10186855B2 (en) 2016-10-04 2019-01-22 Abb Schweiz Ag Differential fault detection system
US10223906B2 (en) 2017-01-23 2019-03-05 Florida Power & Light Company Open neutral detection
CN110754034B (en) * 2017-07-18 2021-07-16 东芝三菱电机产业系统株式会社 Ground fault detector and power conditioner
CN108037402B (en) * 2017-11-20 2019-04-09 华南理工大学 A kind of small resistance grounding system single-phase high-impedance detection method
KR101956571B1 (en) * 2017-12-01 2019-03-11 엘에스산전 주식회사 Earth leakage circuit breaker
CN110350483B (en) 2018-04-04 2022-03-08 台达电子工业股份有限公司 Power converter device with ground fault detection function and fault detection method
US10756532B2 (en) 2018-07-13 2020-08-25 Kohler Co. Ground fault minimization
US10848053B2 (en) 2018-07-13 2020-11-24 Kohler Co. Robust inverter topology
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 fault 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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CN112803478B (en) * 2021-01-05 2021-10-29 湖南大学 Active injection type single-end protection method for micro-grid based on phase polarity characteristics
CN113777526B (en) * 2021-08-30 2022-05-31 华中科技大学 Stator ground fault positioning method and system based on third harmonic potential distribution
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Also Published As

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

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