NO20000587L - Reserveforbindelser i et beskyttelsesrelé - Google Patents

Reserveforbindelser i et beskyttelsesrelé

Info

Publication number
NO20000587L
NO20000587L NO20000587A NO20000587A NO20000587L NO 20000587 L NO20000587 L NO 20000587L NO 20000587 A NO20000587 A NO 20000587A NO 20000587 A NO20000587 A NO 20000587A NO 20000587 L NO20000587 L NO 20000587L
Authority
NO
Norway
Prior art keywords
protective relay
spare connections
spare
connections
relay
Prior art date
Application number
NO20000587A
Other languages
English (en)
Norwegian (no)
Other versions
NO20000587D0 (no
Inventor
Marzio Pozzuoli
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NO20000587D0 publication Critical patent/NO20000587D0/no
Publication of NO20000587L publication Critical patent/NO20000587L/no

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
    • H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays
    • 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
    • H02H3/02—Details
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Small-Scale Networks (AREA)
  • Communication Control (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Relay Systems (AREA)
NO20000587A 1998-06-05 2000-02-04 Reserveforbindelser i et beskyttelsesrelé NO20000587L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/092,030 US5982595A (en) 1998-06-05 1998-06-05 Redundant communications in a protective relay
PCT/US1999/012460 WO1999063635A1 (en) 1998-06-05 1999-06-04 Redundant communications in a protective relay

Publications (2)

Publication Number Publication Date
NO20000587D0 NO20000587D0 (no) 2000-02-04
NO20000587L true NO20000587L (no) 2000-03-20

Family

ID=22230985

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20000587A NO20000587L (no) 1998-06-05 2000-02-04 Reserveforbindelser i et beskyttelsesrelé

Country Status (12)

Country Link
US (1) US5982595A (pt)
EP (1) EP1027757A4 (pt)
JP (1) JP4340767B2 (pt)
KR (1) KR100593122B1 (pt)
CN (1) CN1201455C (pt)
AU (1) AU751148B2 (pt)
BR (1) BR9906486B1 (pt)
CA (1) CA2298610C (pt)
HU (1) HU224266B1 (pt)
NO (1) NO20000587L (pt)
PL (1) PL192340B1 (pt)
WO (1) WO1999063635A1 (pt)

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US6405104B1 (en) * 1999-03-24 2002-06-11 General Electric Corporation Fault data synchronization via peer-to-peer communications network
US6594775B1 (en) * 2000-05-26 2003-07-15 Robert Lawrence Fair Fault handling monitor transparently using multiple technologies for fault handling in a multiple hierarchal/peer domain file server with domain centered, cross domain cooperative fault handling mechanisms
US6865157B1 (en) * 2000-05-26 2005-03-08 Emc Corporation Fault tolerant shared system resource with communications passthrough providing high availability communications
US7085938B1 (en) 2000-06-27 2006-08-01 General Electric Company Protective relay with embedded web server
US6940935B2 (en) * 2001-04-05 2005-09-06 Schweitzer Engineering Laboratories, Inc. System and method for aligning data between local and remote sources thereof
US7463467B2 (en) * 2001-07-06 2008-12-09 Schweitzer Engineering Laboratories, Inc. Relay-to-relay direct communication system and method in an electric power system
US7460347B2 (en) * 2001-07-06 2008-12-02 Schweitzer Engineering Laboratories, Inc. Systems and methods for performing a redundancy check using intelligent electronic devices in an electric power system
US7701683B2 (en) * 2001-07-06 2010-04-20 Schweitzer Engineering Laboratories, Inc. Apparatus, system, and method for sharing output contacts across multiple relays
GB0120748D0 (en) 2001-08-25 2001-10-17 Lucas Aerospace Power Equip Generator
JP3822475B2 (ja) * 2001-09-14 2006-09-20 三菱電機株式会社 電力系統管理方法及び電力系統管理システム
AU2003248368A1 (en) 2002-02-25 2003-09-09 General Electric Company Method for power distribution system components identification, characterization and rating
US7747356B2 (en) 2002-02-25 2010-06-29 General Electric Company Integrated protection, monitoring, and control system
DE50213428D1 (de) * 2002-04-09 2009-05-20 Abb Schweiz Ag Redundante Übertragung von Schutzbefehlen zwischen Fernauslösegeräten
KR100905584B1 (ko) * 2002-09-18 2009-07-02 주식회사 포스코 보호계전기용 검사장치의 인터페이스 장치
DE60212155T2 (de) * 2002-12-12 2007-03-15 Alcatel Defektsignalisierung für Hardware unterstützte Ersatzschaltung in einem optischen Querverbindungssystem
JP4600158B2 (ja) * 2005-06-01 2010-12-15 トヨタ自動車株式会社 車両の電子制御装置
JP2007067528A (ja) * 2005-08-29 2007-03-15 Denso Corp ネットワーク中継装置，故障診断装置およびプログラム
US7460590B2 (en) * 2005-09-14 2008-12-02 Schweitzer Engineering Laboratories, Inc. Handheld communication tester and method for testing direct serial communication capability of an intelligent electronic device in a power system
US7498818B2 (en) * 2006-08-25 2009-03-03 Schweitzer Engineering Laboratories, Inc. Apparatus and method for detecting a brush liftoff in a synchronous generator rotor circuit
KR100771915B1 (ko) * 2006-08-25 2007-11-01 엘에스산전 주식회사 디지털 보호 계전기 및 통신 이중화 방법
US8295163B1 (en) * 2007-11-16 2012-10-23 Marvell International Ltd. Reassigning signals to cable channels
KR101004484B1 (ko) * 2008-12-31 2010-12-31 엘에스산전 주식회사 통신모듈의 데이터 중계장치
US9256232B2 (en) 2009-06-12 2016-02-09 Schweitzer Engineering Laboratories, Inc. Voltage regulation using multiple voltage regulator controllers
US8427131B2 (en) * 2009-06-12 2013-04-23 Schweitzer Engineering Laboratories Inc Voltage regulation at a remote location using measurements from a remote metering device
US8405940B2 (en) * 2009-10-13 2013-03-26 Schweitzer Engineering Laboratories Inc Systems and methods for generator ground fault protection
US8476874B2 (en) * 2009-10-13 2013-07-02 Schweitzer Engineering Laboratories, Inc Systems and methods for synchronized control of electrical power system voltage profiles
JP5429303B2 (ja) * 2009-11-18 2014-02-26 日本電気株式会社 中継装置、中継方法及びコンピュータプログラム並びに通信システム
US20120253481A1 (en) * 2011-03-29 2012-10-04 General Electric Company Hart channel interface component including redundancy
KR101324857B1 (ko) 2011-12-30 2013-11-01 엘에스산전 주식회사 디지털 보호 계전기의 통신을 위한 이더넷 통신 링크 방법 또는 이를 수행하는 디지털 보호 계전기
CN102684916B (zh) * 2012-04-26 2015-04-29 成都交大光芒科技股份有限公司 客运专线综合监控系统中冗余通信对象控制方法
JP5860338B2 (ja) * 2012-04-26 2016-02-16 株式会社サンコーシヤ 通信回線用アイソレータ
US10288688B2 (en) 2014-07-24 2019-05-14 Schweitzer Engineering Laboratories, Inc. Systems and methods for monitoring and protecting an electric power generator
US9496707B2 (en) 2014-12-22 2016-11-15 Schweitzer Engineering Laboratories, Inc. Generator protection element
EP3286858B1 (en) * 2015-04-24 2019-10-09 Oceaneering International Inc. Remotely operated vehicle control communication system and method of use
AU2016253603B2 (en) 2015-11-10 2018-12-06 Ge Global Sourcing Llc Vehicle communication system
US10333291B2 (en) 2017-09-25 2019-06-25 Schweitzer Engineering Laboratories, Inc. Multiple generator ground fault detection
US10931097B2 (en) 2017-09-25 2021-02-23 Schweitzer Engineering Laboratories, Inc. Generator stator ground protection using third harmonic
US10797632B2 (en) 2018-08-21 2020-10-06 Schweitzer Engineering Laboratories, Inc. Sensitive directional element for generator protection
US11316455B2 (en) 2019-08-28 2022-04-26 Schweitzer Engineering Laboratories, Inc. Generator rotor turn-to-turn fault detection using fractional harmonics
US10819261B1 (en) 2019-10-25 2020-10-27 Schweitzer Engineering Laboratories, Inc. Security improvements for electric power generator protection
US11631972B2 (en) 2020-12-16 2023-04-18 Schweitzer Engineering Laboratories, Inc. Accurate modeling of equipment overexcitation damage curves
WO2024056184A1 (en) * 2022-09-16 2024-03-21 Siliconally Gmbh Ethernet device with safety features at the physical layer and method for a bi-directional data transfer between two ethernet devices
US11946966B1 (en) 2023-02-20 2024-04-02 Schweitzer Engineering Laboratories, Inc. Selective stator ground fault protection using positive-sequence voltage reference

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US3725818A (en) * 1971-09-15 1973-04-03 Elliott Bros Voter circuits for three-channel redundant systems
US4030069A (en) * 1975-01-30 1977-06-14 Trw Inc. Redundant message metering network
US4528611A (en) * 1983-02-22 1985-07-09 Westinghouse Electric Corp. Relay for pilot protection of electrical power lines
US4689708A (en) * 1985-08-02 1987-08-25 Bbc Brown, Boveri & Co., Ltd. Zone protective directional relay scheme
US4899383A (en) * 1987-09-08 1990-02-06 Westinghouse Electric Corp. Apparatus and method for secure digital communication
US4972290A (en) * 1989-09-29 1990-11-20 Abb Power T & D Company Inc. Electric power system with remote monitoring and control of protective relays
JPH06197080A (ja) * 1992-12-25 1994-07-15 Fujitsu Ltd 光並列伝送制御方式
US5809045A (en) * 1996-09-13 1998-09-15 General Electric Company Digital current differential system
US5923643A (en) * 1997-02-27 1999-07-13 Excel, Inc. Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system
JP3037198B2 (ja) * 1997-05-13 2000-04-24 日本電気株式会社 自動回線切替装置

Also Published As

Publication number Publication date
EP1027757A1 (en) 2000-08-16
WO1999063635A1 (en) 1999-12-09
AU4417699A (en) 1999-12-20
PL192340B1 (pl) 2006-10-31
CN1272970A (zh) 2000-11-08
HUP0003588A2 (hu) 2001-02-28
EP1027757A4 (en) 2005-06-08
HU224266B1 (hu) 2005-07-28
NO20000587D0 (no) 2000-02-04
JP2002517969A (ja) 2002-06-18
JP4340767B2 (ja) 2009-10-07
KR20010022619A (ko) 2001-03-26
CN1201455C (zh) 2005-05-11
AU751148B2 (en) 2002-08-08
KR100593122B1 (ko) 2006-06-26
BR9906486B1 (pt) 2014-05-20
BR9906486A (pt) 2000-09-26
HUP0003588A3 (en) 2002-12-28
CA2298610C (en) 2009-12-22
CA2298610A1 (en) 1999-12-09
US5982595A (en) 1999-11-09
PL338520A1 (en) 2000-11-06

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application