KR102114772B1 - 전류 차동 보호 - Google Patents

전류 차동 보호 Download PDF

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Publication number
KR102114772B1
KR102114772B1 KR1020130129895A KR20130129895A KR102114772B1 KR 102114772 B1 KR102114772 B1 KR 102114772B1 KR 1020130129895 A KR1020130129895 A KR 1020130129895A KR 20130129895 A KR20130129895 A KR 20130129895A KR 102114772 B1 KR102114772 B1 KR 102114772B1
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KR
South Korea
Prior art keywords
time
current
clock
terminal
terminals
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Expired - Fee Related
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KR1020130129895A
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English (en)
Korean (ko)
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KR20140056077A (ko
Inventor
얀 판
윌리엄 제임스 프리멜라니
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제너럴 일렉트릭 캄파니
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Assigned to 제네럴 일렉트릭 테크놀러지 게엠베하 reassignment 제네럴 일렉트릭 테크놀러지 게엠베하 권리의 전부이전등록 Assignors: 제너럴 일렉트릭 캄파니
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    • 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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
    • H02H3/305—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving current comparison
    • 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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
KR1020130129895A 2012-10-31 2013-10-30 전류 차동 보호 Expired - Fee Related KR102114772B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/665,479 US8963558B2 (en) 2012-10-31 2012-10-31 Current differential protection
US13/665,479 2012-10-31

Publications (2)

Publication Number Publication Date
KR20140056077A KR20140056077A (ko) 2014-05-09
KR102114772B1 true KR102114772B1 (ko) 2020-05-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130129895A Expired - Fee Related KR102114772B1 (ko) 2012-10-31 2013-10-30 전류 차동 보호

Country Status (8)

Country Link
US (1) US8963558B2 (https=)
EP (1) EP2728693B1 (https=)
JP (1) JP6247894B2 (https=)
KR (1) KR102114772B1 (https=)
CN (1) CN103795143B (https=)
BR (1) BR102013027968A2 (https=)
CA (1) CA2831115C (https=)
MX (1) MX347959B (https=)

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US9037891B2 (en) * 2013-02-28 2015-05-19 Hamilton Sundstrand Corporation Multi-processor synchronization using time base counters
US20140310553A1 (en) * 2013-04-10 2014-10-16 Xun Chen Hardware and software for synchronized data acquisition from multiple devices
US10135247B2 (en) 2013-10-17 2018-11-20 General Electric Company Methods and systems for integrated Volt/VAr control in electric network
GB2524055B (en) * 2014-03-13 2017-11-15 Cresatech Ltd Improvements in or relating to power service monitoring
DE102014218764A1 (de) * 2014-09-18 2016-03-24 Siemens Aktiengesellschaft Stromübertragungssystem und Verfahren zum Betreiben eines Stromübertragungssystems
US9609653B2 (en) * 2014-10-15 2017-03-28 National Instruments Corporation Spectral stitching method to increase instantaneous bandwidth in vector signal generators
EP3107168B1 (en) * 2015-06-19 2017-08-09 General Electric Technology GmbH Determining a communication delay in a communication network within an electrical power network
CN105158640B (zh) * 2015-09-15 2018-07-20 江苏金智科技股份有限公司 多电源供电系统及基于gps与电流波形的故障定位方法
EP3159990B1 (en) * 2015-10-22 2018-01-31 General Electric Technology GmbH Improvements in or relating to electrical power systems
CN105785144B (zh) * 2016-05-23 2018-11-06 国网江苏省电力公司电力科学研究院 一种无线分布式变电站电气量整站检测系统及方法
CN105954627B (zh) * 2016-06-22 2019-08-06 国网上海市电力公司 一种用于电缆和架空线混合线路的故障判断系统及方法
GB2584279B (en) * 2019-05-23 2021-10-20 Synaptec Ltd Methods and apparatus for time-stamping a signal
US11099238B2 (en) 2019-03-27 2021-08-24 General Electric Company Distributed control modules with built-in tests and control-preserving fault responses
CN110661237B (zh) * 2019-07-03 2021-10-29 天津大学 适用于配电网自同步条件下的电流差动保护方法
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
EP3863199A1 (en) * 2020-02-07 2021-08-11 Renesas Electronics Corporation Time synchronisation
CN111900704A (zh) * 2020-08-04 2020-11-06 国网山东省电力公司聊城供电公司 无需数据严格同步的有源配电网电流差动保护方法及装置
CN114137274B (zh) * 2020-09-03 2024-08-20 施耐德电器工业公司 一种电流记录方法、电流记录装置和电流记录系统
CN112303680B (zh) * 2020-09-28 2023-02-17 华帝股份有限公司 用于点火器的节电定时器的控制方法
CN112448373B (zh) * 2020-10-30 2023-05-16 中国南方电网有限责任公司超高压输电公司 一种并联多端直流输电系统金属横差保护的实现方法
CN112993949B (zh) * 2021-02-26 2023-11-14 许继集团有限公司 一种用于输电线路纵联差动保护采样的同步方法及装置
KR102807573B1 (ko) * 2021-05-28 2025-05-19 한국전력공사 비동기 역상전류 비율차동 기반 초고압 송전선로의 중앙집중식 보호 방법 및 장치
CN114137334B (zh) * 2021-11-11 2024-12-13 广东名门锁业有限公司 电子元器件测试方法、测试设备和智能锁
CN115190576B (zh) * 2022-02-22 2023-10-31 南京国电南自电网自动化有限公司 一种自适应缓存深度的无线差动同步系统及方法
CN117805466B (zh) * 2023-12-27 2024-05-17 珠海多创科技有限公司 一种微弱电流信号的检测方法、检测装置、拓扑识别装置及台区识别系统

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US20110063766A1 (en) 2009-09-17 2011-03-17 Kasztenny Bogdan Z Line current differential protection upon loss of an external time reference

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Also Published As

Publication number Publication date
MX2013012748A (es) 2016-05-04
US20140118000A1 (en) 2014-05-01
JP2014093942A (ja) 2014-05-19
JP6247894B2 (ja) 2017-12-13
KR20140056077A (ko) 2014-05-09
BR102013027968A2 (pt) 2015-09-15
CN103795143B (zh) 2017-10-27
CN103795143A (zh) 2014-05-14
US8963558B2 (en) 2015-02-24
MX347959B (es) 2017-05-19
CA2831115C (en) 2020-01-28
EP2728693B1 (en) 2016-04-06
EP2728693A1 (en) 2014-05-07
CA2831115A1 (en) 2014-04-30

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