JPS64890B2 - - Google Patents
Info
- Publication number
- JPS64890B2 JPS64890B2 JP58147347A JP14734783A JPS64890B2 JP S64890 B2 JPS64890 B2 JP S64890B2 JP 58147347 A JP58147347 A JP 58147347A JP 14734783 A JP14734783 A JP 14734783A JP S64890 B2 JPS64890 B2 JP S64890B2
- Authority
- JP
- Japan
- Prior art keywords
- time
- terminal
- data
- signal
- transmission
- 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
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)
Priority Applications (4)
| 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 |
| EP84109363A EP0135110B1 (en) | 1983-08-12 | 1984-08-07 | Protective relay system and sampling synchronizing method therefor |
| DE8484109363T DE3470822D1 (en) | 1983-08-12 | 1984-08-07 | Protective relay system and sampling synchronizing method therefor |
| US06/639,357 US4612594A (en) | 1983-08-12 | 1984-08-10 | Protective relay system and sampling synchronizing method therefor |
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 (2)
| Publication Number | Publication Date |
|---|---|
| JPS6039310A JPS6039310A (ja) | 1985-03-01 |
| JPS64890B2 true JPS64890B2 (enExample) | 1989-01-09 |
Family
ID=15428123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58147347A Granted JPS6039310A (ja) | 1983-08-12 | 1983-08-12 | サンプリング同期方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4612594A (enExample) |
| EP (1) | EP0135110B1 (enExample) |
| JP (1) | JPS6039310A (enExample) |
| DE (1) | DE3470822D1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8218278B2 (en) | 2006-02-28 | 2012-07-10 | Kabushiki Kaisha Toshiba | Current differential relay device, signal processing method thereof and power transmission line protection system |
Families Citing this family (27)
| 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 |
| 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 |
| 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 |
| 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 |
| US6678134B2 (en) | 2000-10-06 | 2004-01-13 | Kabushiki Kaisha Toshiba | Digital protective relay system |
| US6892145B2 (en) * | 2002-02-25 | 2005-05-10 | General Electric Company | Method and system for conditionally triggered system data capture |
| 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)
| 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 |
-
1983
- 1983-08-12 JP JP58147347A patent/JPS6039310A/ja active Granted
-
1984
- 1984-08-07 EP EP84109363A patent/EP0135110B1/en not_active Expired
- 1984-08-07 DE DE8484109363T patent/DE3470822D1/de not_active Expired
- 1984-08-10 US US06/639,357 patent/US4612594A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8218278B2 (en) | 2006-02-28 | 2012-07-10 | Kabushiki Kaisha Toshiba | Current differential relay device, signal processing method thereof and power transmission line protection system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0135110A2 (en) | 1985-03-27 |
| DE3470822D1 (en) | 1988-06-01 |
| JPS6039310A (ja) | 1985-03-01 |
| EP0135110B1 (en) | 1988-04-27 |
| EP0135110A3 (en) | 1986-03-05 |
| US4612594A (en) | 1986-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS64890B2 (enExample) | ||
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