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
Other languages
English (en)
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

    • 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
    • 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
    • H02H3/52—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 responsive to the appearance of harmonics
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits 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
    • 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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for ac systems
    • H02H3/165—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 fault current to earth, frame or mass for ac systems for three-phase systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency 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
    • H02H7/10—Emergency 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
    • H02H7/12—Emergency 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
    • H02H7/122—Emergency 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency 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
    • H02H7/10—Emergency 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
    • H02H7/12—Emergency 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
    • H02H7/122—Emergency 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
    • H02H7/1227—Emergency 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
IN9017DEN2014 2012-06-04 2014-10-28 IN2014DN09017A (pt)

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 (pt) 2015-05-22

Family

ID=48537022

Family Applications (1)

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

Country Status (9)

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

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US10439400B2 (en) * 2013-08-21 2019-10-08 General Electric Technology Gmbh Electric protection on AC side of HVDC
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US20150346266A1 (en) * 2014-05-30 2015-12-03 Eaton Corporation System and method for pulsed ground fault detection and localization
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CN105675998B (zh) * 2014-11-18 2019-05-17 台达电子工业股份有限公司 接地阻抗测量装置及其操作方法
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US10794945B2 (en) * 2015-09-09 2020-10-06 Beijing Inhand Networks Technology Co., Ltd. Method for detecting and locating single-phase ground fault on low current grounded power-distribution network
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CN105911434B (zh) * 2016-07-01 2018-10-19 清华大学 多谐波源干扰下的配电网高阻接地故障检测方法
CN106338675B (zh) * 2016-08-26 2019-01-22 北京丹华昊博电力科技有限公司 基于多支路电流幅值相位比较的直流故障定位方法及装置
CN106249108B (zh) * 2016-08-26 2019-01-22 北京丹华昊博电力科技有限公司 一种交流串入直流系统的故障定位方法和定位装置
CN106152980B (zh) * 2016-09-07 2019-02-12 广东电网有限责任公司电力科学研究院 一种变压器绕组变形检测方法及系统
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 (zh) * 2017-07-18 2021-07-16 东芝三菱电机产业系统株式会社 接地检测器以及功率调节器
CN108037402B (zh) * 2017-11-20 2019-04-09 华南理工大学 一种小电阻接地系统单相高阻接地故障检测方法
KR101956571B1 (ko) * 2017-12-01 2019-03-11 엘에스산전 주식회사 누전 차단 장치
CN110350483B (zh) 2018-04-04 2022-03-08 台达电子工业股份有限公司 具有接地故障检测功能的功率变流装置以及故障检测方法
US10848053B2 (en) 2018-07-13 2020-11-24 Kohler Co. Robust inverter topology
US10756532B2 (en) * 2018-07-13 2020-08-25 Kohler Co. Ground fault minimization
JP2020153743A (ja) * 2019-03-19 2020-09-24 株式会社戸上電機製作所 地絡要因推定装置、データ生成装置、地絡要因推定方法、データ生成方法及び地絡継電器
KR20200119641A (ko) 2019-04-10 2020-10-20 엘에스일렉트릭(주) 파워 디바이스 모니터링 시스템 및 모니터링 방법
CN110488136B (zh) * 2019-08-12 2021-11-30 河海大学 调相机励磁系统的转子一点接地故障检测方法
CN110350500B (zh) * 2019-08-13 2021-08-27 南京南瑞继保电气有限公司 伪双极直流配电网保护方法、装置、系统、设备及介质
ES2798348B2 (es) * 2020-06-15 2021-08-05 Univ Madrid Politecnica Metodo y sistema de deteccion de faltas a tierra en instalaciones electricas con conversion entre corriente continua y corriente alterna
EP3961836A1 (en) * 2020-09-01 2022-03-02 Hitachi Energy Switzerland AG Determining of a power line fault
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CN112803478B (zh) * 2021-01-05 2021-10-29 湖南大学 基于相位极性特征的微电网主动注入式单端保护方法
CN113777526B (zh) * 2021-08-30 2022-05-31 华中科技大学 基于三次谐波电势分布的定子接地故障定位方法及系统
US20230408601A1 (en) * 2022-06-17 2023-12-21 Honeywell Limited Fault detection in a power distribution system providing high voltage direct current through multiple channels with a floating ground
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Also Published As

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

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