CA2452377A1 - Relay-to-relay direct communication system in an electric power system - Google Patents

Relay-to-relay direct communication system in an electric power system Download PDF

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Publication number
CA2452377A1
CA2452377A1 CA002452377A CA2452377A CA2452377A1 CA 2452377 A1 CA2452377 A1 CA 2452377A1 CA 002452377 A CA002452377 A CA 002452377A CA 2452377 A CA2452377 A CA 2452377A CA 2452377 A1 CA2452377 A1 CA 2452377A1
Authority
CA
Canada
Prior art keywords
data
relay
electric power
power system
direct communication
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.)
Granted
Application number
CA002452377A
Other languages
French (fr)
Other versions
CA2452377C (en
Inventor
Tony J. Lee
David G. Bogut
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.)
Schweitzer Engineering Laboratories Inc
Original Assignee
Schweitzer Engineering Laboratories, Inc.
Tony J. Lee
David G. Bogut
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 Schweitzer Engineering Laboratories, Inc., Tony J. Lee, David G. Bogut filed Critical Schweitzer Engineering Laboratories, Inc.
Publication of CA2452377A1 publication Critical patent/CA2452377A1/en
Application granted granted Critical
Publication of CA2452377C publication Critical patent/CA2452377C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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

Abstract

The system provides communication of information between at least two protective relays (10, 12) serving a power system line (14). The communication comprises a series of successive data messages of four characters, each of which includes eight data bits, on eight data channels. The data bits include output function status bits from the transmitting relay (10) on user selected channels, and virtual terminal data bits on still other user selected channels. A synchronization channel (30) produces information to synchronize the transmission/receiving of the analog data and the virtual terminal data, on the basis of frames of data, each frame containing 18 messages.
CA002452377A 2001-07-06 2002-07-03 Relay-to-relay direct communication system in an electric power system Expired - Fee Related CA2452377C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/900,098 US6947269B2 (en) 2001-07-06 2001-07-06 Relay-to-relay direct communication system in an electric power system
US09/900,098 2001-07-06
PCT/US2002/021196 WO2003005647A1 (en) 2001-07-06 2002-07-03 Relay-to-relay direct communication system in an electric power system

Publications (2)

Publication Number Publication Date
CA2452377A1 true CA2452377A1 (en) 2003-01-16
CA2452377C CA2452377C (en) 2007-03-13

Family

ID=25411966

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002452377A Expired - Fee Related CA2452377C (en) 2001-07-06 2002-07-03 Relay-to-relay direct communication system in an electric power system

Country Status (5)

Country Link
US (1) US6947269B2 (en)
BR (1) BR0210884A (en)
CA (1) CA2452377C (en)
MX (1) MXPA03011871A (en)
WO (1) WO2003005647A1 (en)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8576527B2 (en) 2001-07-06 2013-11-05 Schweitzer Engineering Laboratoris Inc Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel
US8111492B2 (en) * 2001-07-06 2012-02-07 Schweitzer Engineering Laboratories, Inc. Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel
US20060224336A1 (en) * 2005-04-05 2006-10-05 Charles Petras System and method for transmitting power system data over a wide area network
US20060259255A1 (en) * 2005-04-05 2006-11-16 Anderson James C Method of visualizing power system quantities using a configurable software visualization tool
US7755872B2 (en) * 2006-09-14 2010-07-13 Schweitzer Engineering Laboratories, Inc. System, method and device to preserve protection communication active during a bypass operation
US7751166B2 (en) 2007-03-16 2010-07-06 Abb Technology Ag Advanced feeder architecture with automated power restoration
MX2010002162A (en) 2007-10-09 2010-06-02 Schweitzer Engineering Lab Inc Power angle monitor.
US9401839B2 (en) * 2008-04-04 2016-07-26 Schweitzer Engineering Laboratories, Inc. Generation and control of network events and conversion to SCADA protocol data types
US20090296583A1 (en) * 2008-05-29 2009-12-03 Dolezilek David J Systems, Methods, and Apparatus for Recording Network Events Associated with a Power Generation or Delivery System
US20090307233A1 (en) * 2008-06-02 2009-12-10 Guorui Zhang Efficient Handling of PMU Data for Wide Area Power System Monitoring and Visualization
US8437969B2 (en) * 2009-03-31 2013-05-07 Virginia Polytechnic Institute And State University Accurate magnetic field sensor and method for wireless phasor measurement unit
CA2757376A1 (en) * 2009-04-03 2010-10-07 Schweitzer Engineering Laboratories, Inc. Fault tolerant time synchronization
US8275485B2 (en) * 2009-08-10 2012-09-25 Schweitzer Engineering Laboratories, Inc. Electric power system automation using time coordinated instructions
US8351433B2 (en) * 2009-09-18 2013-01-08 Schweitzer Engineering Laboratories Inc Intelligent electronic device with segregated real-time ethernet
US8867345B2 (en) * 2009-09-18 2014-10-21 Schweitzer Engineering Laboratories, Inc. Intelligent electronic device with segregated real-time ethernet
US8565229B2 (en) 2010-06-18 2013-10-22 Schweitzer Engineering Laboratories Inc Systems and methods for data packet transmission
US8812256B2 (en) 2011-01-12 2014-08-19 Schweitzer Engineering Laboratories, Inc. System and apparatus for measuring the accuracy of a backup time source
US8912792B2 (en) 2012-08-24 2014-12-16 Schweitzer Engineering Laboratories, Inc. Systems and methods for rotor angle measurement in an electrical generator
US9383735B2 (en) 2012-10-04 2016-07-05 Schweitzer Engineering Laboratories, Inc. Distributed coordinated electric power delivery control system using component models
US9300591B2 (en) 2013-01-28 2016-03-29 Schweitzer Engineering Laboratories, Inc. Network device
US9065763B2 (en) 2013-03-15 2015-06-23 Schweitzer Engineering Laboratories, Inc. Transmission of data over a low-bandwidth communication channel
US9270109B2 (en) 2013-03-15 2016-02-23 Schweitzer Engineering Laboratories, Inc. Exchange of messages between devices in an electrical power system
US9620955B2 (en) 2013-03-15 2017-04-11 Schweitzer Engineering Laboratories, Inc. Systems and methods for communicating data state change information between devices in an electrical power system
US9985860B2 (en) 2013-09-23 2018-05-29 Schweitzer Engineering Laboratories, Inc. Selection and display of polled and streamed electric power system measurements
US10317467B2 (en) 2014-05-19 2019-06-11 Schweitzer Engineering Laboratories, Inc. Synchronous machine monitoring and determination of a loss-of-field event using time stamped electrical and mechanical data
US9568516B2 (en) 2014-09-23 2017-02-14 Schweitzer Engineering Laboratories, Inc. Determining status of electric power transmission lines in an electric power transmission system
US10063124B2 (en) 2015-12-10 2018-08-28 Schweitzer Engineering Laboratories, Inc. Shaft mounted monitor for rotating machinery
US9800055B2 (en) 2016-01-21 2017-10-24 Schweitzer Engineering Laboratories, Inc. Synchronization of generators using a common time reference
US9967135B2 (en) 2016-03-29 2018-05-08 Schweitzer Engineering Laboratories, Inc. Communication link monitoring and failover
US10523150B2 (en) 2016-09-15 2019-12-31 Schweitzer Engineering Laboratories, Inc. Systems and methods for motor slip calculation using shaft-mounted sensors
US10333301B2 (en) 2017-05-04 2019-06-25 Schweitzer Engineering Laboratories, Inc. Transient simulation modeling for dynamic remedial action schemes using real-time protection setting updates
US10664553B2 (en) 2017-10-06 2020-05-26 Schweitzer Engineering Laboratories, Inc. Generating a representation of high-frequency signal data from an electric power delivery system
US10819727B2 (en) 2018-10-15 2020-10-27 Schweitzer Engineering Laboratories, Inc. Detecting and deterring network attacks
US10992134B2 (en) 2019-05-10 2021-04-27 Schweitzer Engineering Laboratories, Inc. Load shedding system for both active and reactive power based on system perturbation
US11258249B2 (en) * 2019-10-12 2022-02-22 Schweitzer Engineering Laboratories, Inc. Primary and system protection for an electric power delivery system
US11522358B2 (en) 2020-05-18 2022-12-06 Schweitzer Engineering Laboratories, Inc. Isolation of protective functions in electrical power systems
GB202218277D0 (en) * 2020-05-22 2023-01-18 Governing Council Of The Univ Of Toronto System and method for protection of an electrical grid
US11677663B2 (en) 2021-08-12 2023-06-13 Schweitzer Engineering Laboratories, Inc. Software-defined network statistics extension
US20230068739A1 (en) 2021-08-26 2023-03-02 Schweitzer Engineering Laboratories, Inc. Event analysis and display
US11862958B2 (en) 2021-10-04 2024-01-02 Schweitzer Engineering Laboratories, Inc. Isolation of protection functions in electrical power systems during startup
US11882002B2 (en) 2022-06-22 2024-01-23 Schweitzer Engineering Laboratories, Inc. Offline test mode SDN validation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899383A (en) * 1987-09-08 1990-02-06 Westinghouse Electric Corp. Apparatus and method for secure digital communication
US5889474A (en) * 1992-05-18 1999-03-30 Aeris Communications, Inc. Method and apparatus for transmitting subject status information over a wireless communications network
US6160806A (en) * 1997-08-14 2000-12-12 Alcatel Usa Sourcing, L.P. High density unit shelf with network interface cards and method
JP3269792B2 (en) * 1997-08-20 2002-04-02 株式会社東芝 Asynchronous network type control system, process management method in this system, and recording medium recording process management program
JP3207388B2 (en) * 1998-04-17 2001-09-10 株式会社東芝 Power system protection control device, power system monitoring and control system, and storage medium storing program

Also Published As

Publication number Publication date
CA2452377C (en) 2007-03-13
BR0210884A (en) 2005-05-03
WO2003005647A1 (en) 2003-01-16
MXPA03011871A (en) 2004-06-03
US6947269B2 (en) 2005-09-20
US20030007514A1 (en) 2003-01-09

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Effective date: 20170704