CN103795143B - 电流差动保护 - Google Patents

电流差动保护 Download PDF

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Publication number
CN103795143B
CN103795143B CN201310526508.0A CN201310526508A CN103795143B CN 103795143 B CN103795143 B CN 103795143B CN 201310526508 A CN201310526508 A CN 201310526508A CN 103795143 B CN103795143 B CN 103795143B
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CN
China
Prior art keywords
terminal
current
clock
time
local terminal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201310526508.0A
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English (en)
Chinese (zh)
Other versions
CN103795143A (zh
Inventor
潘艳
W.J.普雷默拉尼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Company PLC
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CN103795143A publication Critical patent/CN103795143A/zh
Application granted granted Critical
Publication of CN103795143B publication Critical patent/CN103795143B/zh
Expired - Fee Related legal-status Critical Current
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Classifications

    • 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
    • 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
    • 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

Landscapes

  • 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)
CN201310526508.0A 2012-10-31 2013-10-31 电流差动保护 Expired - Fee Related CN103795143B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/665479 2012-10-31
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
CN103795143A CN103795143A (zh) 2014-05-14
CN103795143B true CN103795143B (zh) 2017-10-27

Family

ID=49674127

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310526508.0A Expired - Fee Related CN103795143B (zh) 2012-10-31 2013-10-31 电流差动保护

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

Citations (4)

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US4760487A (en) * 1985-04-12 1988-07-26 The General Electric Company P.L.C. Differential relay for protecting an electrical power transmission system
US7126800B2 (en) * 2003-07-11 2006-10-24 General Electric Company Method and system for communications channel delay asymmetry compensation using global positioning systems
US7444248B2 (en) * 2005-04-29 2008-10-28 General Electric Company System and method for synchronized phasor measurement
CN101394077A (zh) * 2000-10-06 2009-03-25 株式会社东芝 数字式继电保护装置

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US3786419A (en) 1972-12-26 1974-01-15 Ibm Synchronizing clock system for a multi-terminal communication apparatus
JPS57135623A (en) * 1981-02-16 1982-08-21 Tokyo Shibaura Electric Co Current differential protection relay system
JPS5875419A (ja) 1981-10-29 1983-05-07 株式会社東芝 サンプリング時刻同期装置
JPS6039310A (ja) * 1983-08-12 1985-03-01 株式会社東芝 サンプリング同期方法
US5809045A (en) 1996-09-13 1998-09-15 General Electric Company Digital current differential system
US6148267A (en) 1998-01-02 2000-11-14 General Electric Company Method and apparatus for transmission line phase angle comparisons
US5958060A (en) 1998-01-02 1999-09-28 General Electric Company Method and apparatus for clock control and synchronization
JP3994502B2 (ja) * 1998-02-04 2007-10-24 株式会社明電舎 Ｐｃｍリレーにおけるサンプリング同期方式とサンプリングデータ同期方式および異常通知方式
JP3700386B2 (ja) 1998-04-15 2005-09-28 株式会社日立製作所 エネルギー・電力融通システム
JP2004088919A (ja) * 2002-08-27 2004-03-18 Kansai Electric Power Co Inc:The 電流差動保護継電装置
US6915219B2 (en) 2003-08-29 2005-07-05 General Electric Company Method for canceling transient errors in unsynchronized digital current differential transmission line protection systems
EP1780858A1 (en) 2005-10-31 2007-05-02 ABB Technology AG Arrangement and method for protecting an electric power system
JP5172106B2 (ja) * 2006-05-12 2013-03-27 株式会社東芝 保護リレー装置
US7472026B2 (en) 2006-12-22 2008-12-30 General Electric Company Multi-ended fault location system
US7567881B2 (en) 2007-03-30 2009-07-28 General Electric Company Self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers
US8154836B2 (en) 2009-09-17 2012-04-10 Schweitzer Engineering Laboratories, Inc. Line current differential protection upon loss of an external time reference

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760487A (en) * 1985-04-12 1988-07-26 The General Electric Company P.L.C. Differential relay for protecting an electrical power transmission system
CN101394077A (zh) * 2000-10-06 2009-03-25 株式会社东芝 数字式继电保护装置
US7126800B2 (en) * 2003-07-11 2006-10-24 General Electric Company Method and system for communications channel delay asymmetry compensation using global positioning systems
US7444248B2 (en) * 2005-04-29 2008-10-28 General Electric Company System and method for synchronized phasor measurement

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
CN103795143A (zh) 2014-05-14
US8963558B2 (en) 2015-02-24
MX347959B (es) 2017-05-19
CA2831115C (en) 2020-01-28
KR102114772B1 (ko) 2020-05-26
EP2728693B1 (en) 2016-04-06
EP2728693A1 (en) 2014-05-07
CA2831115A1 (en) 2014-04-30

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EXSB Decision made by sipo to initiate substantive examination
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Effective date of registration: 20240104

Address after: Swiss Baden

Patentee after: GENERAL ELECTRIC CO. LTD.

Address before: New York State, USA

Patentee before: General Electric Co.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171027