PL3726678T3 - Obsługa utraconej synchronizacji czasowej w sieci podstacji - Google Patents

Obsługa utraconej synchronizacji czasowej w sieci podstacji

Info

Publication number
PL3726678T3
PL3726678T3 PL19169478.5T PL19169478T PL3726678T3 PL 3726678 T3 PL3726678 T3 PL 3726678T3 PL 19169478 T PL19169478 T PL 19169478T PL 3726678 T3 PL3726678 T3 PL 3726678T3
Authority
PL
Poland
Prior art keywords
handling
time synchronization
lost time
substation network
substation
Prior art date
Application number
PL19169478.5T
Other languages
English (en)
Inventor
Carl Byman
Johan SÄLJ
Henrik Pind
Original Assignee
Hitachi Energy Switzerland Ag
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 Hitachi Energy Switzerland Ag filed Critical Hitachi Energy Switzerland Ag
Publication of PL3726678T3 publication Critical patent/PL3726678T3/pl

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for AC mains or AC distribution networks
    • H02J3/04Arrangements for connecting networks of the same frequency but supplied from different sources
    • H02J3/08Synchronisation of networks
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0061Details of emergency protective circuit arrangements concerning transmission of signals
    • 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
    • G01R31/001Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
    • G01R31/002Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing where the device under test is an electronic circuit
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for AC mains or AC distribution networks
    • H02J3/004Generation forecast, e.g. methods or systems for forecasting future energy generation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for AC mains or AC distribution networks
    • H02J3/17Demand-responsive operation of AC power transmission or distribution networks
    • 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
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • 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
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261Sectionalised 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225Demand response systems, e.g. load shedding, peak shaving
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/222Demand response systems, e.g. load shedding, peak shaving

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Electric Clocks (AREA)
PL19169478.5T 2019-04-16 2019-04-16 Obsługa utraconej synchronizacji czasowej w sieci podstacji PL3726678T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19169478.5A EP3726678B1 (en) 2019-04-16 2019-04-16 Handling of lost time synchronization in a substation network

Publications (1)

Publication Number Publication Date
PL3726678T3 true PL3726678T3 (pl) 2024-01-29

Family

ID=66217758

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19169478.5T PL3726678T3 (pl) 2019-04-16 2019-04-16 Obsługa utraconej synchronizacji czasowej w sieci podstacji

Country Status (6)

Country Link
US (1) US12166350B2 (pl)
EP (1) EP3726678B1 (pl)
JP (1) JP7361793B2 (pl)
CN (1) CN113692682B (pl)
PL (1) PL3726678T3 (pl)
WO (1) WO2020212300A1 (pl)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225960A (en) * 1979-03-01 1980-09-30 Westinghouse Electric Corp. Automatic synchronizing system for digital asynchronous communications
JPH1042448A (ja) * 1996-07-18 1998-02-13 Hitachi Ltd ディジタル形保護制御装置
US7630863B2 (en) * 2006-09-19 2009-12-08 Schweitzer Engineering Laboratories, Inc. Apparatus, method, and system for wide-area protection and control using power system data having a time component associated therewith
MX2010002163A (es) 2007-09-28 2010-06-02 Schweitzer Engineering Lab Inc Comparadores de amplitud y de fase para proteccion de linea.
US8401007B2 (en) 2009-04-06 2013-03-19 Avaya Inc. Network synchronization over IP networks
BR112012002904A2 (pt) 2009-08-10 2016-04-05 Scweitzer Engineering Lab Inc sistema e método para controlar um sistema de distribuição de energia elétrica, e, dispositivo eletrônico inteligente
US8154836B2 (en) * 2009-09-17 2012-04-10 Schweitzer Engineering Laboratories, Inc. Line current differential protection upon loss of an external time reference
JP5507025B1 (ja) 2012-06-26 2014-05-28 三菱電機株式会社 電流差動リレー
CN102801557B (zh) * 2012-07-27 2016-08-10 中国电力科学研究院 一种提高变电站网络采样可靠性的系统方法
BR112015008592A2 (pt) * 2012-10-19 2017-07-04 Schweitzer Engineering Lab Inc método, dispositivo de distribuição de tempo, e, mídia de armazenamento legível por computador não temporária
JP6186978B2 (ja) 2013-07-23 2017-08-30 富士電機株式会社 保護監視制御システム
WO2015063815A1 (ja) * 2013-10-31 2015-05-07 三菱電機株式会社 信号処理装置
EP3136528B1 (de) * 2015-08-31 2020-04-22 Siemens Aktiengesellschaft Differentialschutzverfahren, differentialschutzeinrichtung und differentialschutzsystem
US10637802B2 (en) * 2016-07-28 2020-04-28 General Electric Technology Gmbh Systems and methods for network failover in digital substations
US20180109369A1 (en) 2016-10-14 2018-04-19 General Electric Technology Gmbh Systems and methods for synchronizing time sources within a protection zone of a digital power substation
SE1651596A1 (sv) * 2016-12-05 2016-12-30 Abb Schweiz Ag Time synchronization of intelligent electronic devices
JP2018117227A (ja) 2017-01-18 2018-07-26 株式会社明電舎 時刻同期方法

Also Published As

Publication number Publication date
CN113692682A (zh) 2021-11-23
JP7361793B2 (ja) 2023-10-16
US20220181878A1 (en) 2022-06-09
JP2022529049A (ja) 2022-06-16
WO2020212300A1 (en) 2020-10-22
CN113692682B (zh) 2024-09-27
EP3726678A1 (en) 2020-10-21
EP3726678B1 (en) 2023-08-09
EP3726678C0 (en) 2023-08-09
US12166350B2 (en) 2024-12-10

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