DE3470822D1 - Protective relay system and sampling synchronizing method therefor - Google Patents

Protective relay system and sampling synchronizing method therefor

Info

Publication number
DE3470822D1
DE3470822D1 DE8484109363T DE3470822T DE3470822D1 DE 3470822 D1 DE3470822 D1 DE 3470822D1 DE 8484109363 T DE8484109363 T DE 8484109363T DE 3470822 T DE3470822 T DE 3470822T DE 3470822 D1 DE3470822 D1 DE 3470822D1
Authority
DE
Germany
Prior art keywords
method therefor
relay system
protective relay
synchronizing method
sampling synchronizing
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
Application number
DE8484109363T
Other languages
German (de)
English (en)
Inventor
Mitsuru Yamaura
Ituo Shuto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3470822D1 publication Critical patent/DE3470822D1/de
Expired legal-status Critical Current

Links

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
    • 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
    • H02J13/1317—
    • H02J13/36—

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE8484109363T 1983-08-12 1984-08-07 Protective relay system and sampling synchronizing method therefor Expired DE3470822D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58147347A JPS6039310A (ja) 1983-08-12 1983-08-12 サンプリング同期方法

Publications (1)

Publication Number Publication Date
DE3470822D1 true DE3470822D1 (en) 1988-06-01

Family

ID=15428123

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484109363T Expired DE3470822D1 (en) 1983-08-12 1984-08-07 Protective relay system and sampling synchronizing method therefor

Country Status (4)

Country Link
US (1) US4612594A (enExample)
EP (1) EP0135110B1 (enExample)
JP (1) JPS6039310A (enExample)
DE (1) DE3470822D1 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8509422D0 (en) * 1985-04-12 1985-05-15 Gen Electric Co Plc Relays
US4894843A (en) * 1985-10-07 1990-01-16 Canon Kabushiki Kaisha Data communication system
JPH0744526B2 (ja) * 1986-01-31 1995-05-15 日立電線株式会社 信号同期方式
JPH0793783B2 (ja) * 1986-05-07 1995-10-09 三菱電機株式会社 サンプリング信号同期方式
JPS62262615A (ja) * 1986-05-07 1987-11-14 三菱電機株式会社 サンプリング信号同期方式
US4716409A (en) * 1986-07-16 1987-12-29 Homestead Products, Inc. Electrical appliance control system
JP2694993B2 (ja) * 1989-02-22 1997-12-24 株式会社日立製作所 電力用信号処理システムおよびディジタル保護リレー装置
FR2646302B1 (fr) * 1989-04-25 1993-01-15 Matra Communication Procede de pseudo-synchronisation d'un reseau de communication a multiplexage dans le temps et applications
US4939617A (en) * 1989-05-05 1990-07-03 Dowty Rfl Industries Inc. Method and apparatus for monitoring an AC transmission line
US5054113A (en) * 1989-12-04 1991-10-01 Motorola, Inc. Communication system with bit sampling method in portable receiver for simulcast communication
US5201061A (en) * 1990-07-23 1993-04-06 Motorola, Inc. Method and apparatus for synchronizing simulcast systems
US5267231A (en) * 1991-07-03 1993-11-30 Abb Power T&D Company Inc. Digital communication channel interface
US5212808A (en) * 1991-11-08 1993-05-18 Teknekron Communications Systems, Inc. Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit
US5576625A (en) * 1994-02-07 1996-11-19 Kabushiki Kaisha Toshiba Test method and apparatus for testing a protective relay system
JPH0951578A (ja) * 1995-08-04 1997-02-18 Uniden Corp コードレス電話装置
JP3718977B2 (ja) * 1997-12-25 2005-11-24 株式会社明電舎 サンプリング同期方式
JP3827888B2 (ja) * 1999-06-07 2006-09-27 株式会社東芝 電流差動継電装置の伝送同期方式
DE60127916T2 (de) * 2000-10-06 2008-01-17 Kabushiki Kaisha Toshiba Digitales Schutzrelaissystem
US6999291B2 (en) * 2002-02-25 2006-02-14 General Electric Company Method and apparatus for node electronics unit architecture
JP4908018B2 (ja) 2006-02-28 2012-04-04 株式会社東芝 電流差動継電装置とその信号処理方法、および送電線保護システム
JP5172106B2 (ja) * 2006-05-12 2013-03-27 株式会社東芝 保護リレー装置
JP5249682B2 (ja) 2008-08-28 2013-07-31 株式会社東芝 保護継電装置用通過時間固定装置
US9118173B2 (en) * 2010-02-03 2015-08-25 Hitachi, Ltd. Digital Protection control system and digital protection control apparatus
JP5475551B2 (ja) 2010-05-28 2014-04-16 株式会社東芝 保護継電装置
US8963558B2 (en) * 2012-10-31 2015-02-24 General Electric Company Current differential protection
JP6220129B2 (ja) * 2013-01-15 2017-10-25 株式会社東芝 保護継電システムおよび保護継電装置
RU2538214C1 (ru) * 2013-06-19 2015-01-10 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский государственный политехнический университет" (ФГАОУ ВО "СПбПУ") Способ дифференциальной защиты электроустановки
JP6523058B2 (ja) * 2015-06-05 2019-05-29 株式会社東芝 通信システムおよび推定方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849763A (en) * 1973-08-29 1974-11-19 Westinghouse Electric Corp Channel delay checkback apparatus
JPS5951209B2 (ja) * 1973-09-04 1984-12-12 東京電力株式会社 信号同期方式
US4071873A (en) * 1976-06-21 1978-01-31 Tokyo Shibaura Denki Kabushiki Kaisha Apparatus for detecting abnormal conditions of transmitted signals
US4183072A (en) * 1976-12-29 1980-01-08 Mitsubishi Denki Kabushiki Kaisha Protective relaying system
JPS6046615B2 (ja) * 1977-06-13 1985-10-17 東京電力株式会社 保護制御装置
US4371908A (en) * 1979-09-17 1983-02-01 Tokyo Shibaura Denki Kabushiki Kaisha Digital protective relaying systems
JPS56136121A (en) * 1980-03-25 1981-10-24 Mitsubishi Electric Corp Multiterminal protecting relay
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

Also Published As

Publication number Publication date
JPS64890B2 (enExample) 1989-01-09
EP0135110A2 (en) 1985-03-27
EP0135110B1 (en) 1988-04-27
US4612594A (en) 1986-09-16
JPS6039310A (ja) 1985-03-01
EP0135110A3 (en) 1986-03-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee