SE0002122D0 - Strömdifferentiell reläanordning - Google Patents
Strömdifferentiell reläanordningInfo
- Publication number
- SE0002122D0 SE0002122D0 SE0002122A SE0002122A SE0002122D0 SE 0002122 D0 SE0002122 D0 SE 0002122D0 SE 0002122 A SE0002122 A SE 0002122A SE 0002122 A SE0002122 A SE 0002122A SE 0002122 D0 SE0002122 D0 SE 0002122D0
- Authority
- SE
- Sweden
- Prior art keywords
- relay device
- current differential
- differential relay
- transmission
- terminal
- Prior art date
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
-
- 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
- H02H7/263—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 involving transmissions of measured values
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15914199A JP3827888B2 (ja) | 1999-06-07 | 1999-06-07 | 電流差動継電装置の伝送同期方式 |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0002122D0 true SE0002122D0 (sv) | 2000-06-07 |
SE0002122L SE0002122L (sv) | 2000-12-08 |
SE519714C2 SE519714C2 (sv) | 2003-04-01 |
Family
ID=15687156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0002122A SE519714C2 (sv) | 1999-06-07 | 2000-06-07 | Strömdifferentialreläanordning |
Country Status (6)
Country | Link |
---|---|
US (1) | US6731655B1 (sv) |
JP (1) | JP3827888B2 (sv) |
KR (1) | KR100385202B1 (sv) |
CN (1) | CN100364197C (sv) |
DE (1) | DE10028088A1 (sv) |
SE (1) | SE519714C2 (sv) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040090910A1 (en) * | 2002-11-12 | 2004-05-13 | Abb Inc. | Multi-terminal differential protection system |
JP4110964B2 (ja) * | 2002-12-25 | 2008-07-02 | 日本電気株式会社 | 伝送システムおよびデータ転送方法 |
US8213489B2 (en) * | 2005-06-23 | 2012-07-03 | Agere Systems Inc. | Serial protocol for agile sample rate switching |
US7773733B2 (en) * | 2005-06-23 | 2010-08-10 | Agere Systems Inc. | Single-transformer digital isolation barrier |
US20080309505A1 (en) * | 2007-06-18 | 2008-12-18 | Mitsubishi Electric Corporation | Current-differential relay device |
CN103124234A (zh) * | 2011-11-18 | 2013-05-29 | 北京旋极信息技术股份有限公司 | 专用网中以太网信号的传输*** |
CN105515706B (zh) * | 2015-10-13 | 2018-10-30 | 福州开发区慧聚通信技术有限公司 | 一种采用脉冲映射域实现同步的方法和*** |
KR102537804B1 (ko) * | 2018-06-06 | 2023-05-31 | 미쓰비시덴키 가부시키가이샤 | 프로세스 버스 적용 보호 시스템 및 인텔리전트 전자 디바이스 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5561156A (en) * | 1978-11-01 | 1980-05-08 | Meidensha Electric Mfg Co Ltd | Remote control unit |
JPS5917749A (ja) * | 1982-07-20 | 1984-01-30 | Nippon Telegr & Teleph Corp <Ntt> | デイジタル信号伝送方式 |
JPS6039310A (ja) * | 1983-08-12 | 1985-03-01 | 株式会社東芝 | サンプリング同期方法 |
GB8509422D0 (en) * | 1985-04-12 | 1985-05-15 | Gen Electric Co Plc | Relays |
JPS63258130A (ja) * | 1987-04-15 | 1988-10-25 | Kubota Ltd | デ−タ伝送方法 |
JPH01117535A (ja) * | 1987-10-30 | 1989-05-10 | Nec Corp | 多重伝送方式 |
JPH06338868A (ja) * | 1993-05-28 | 1994-12-06 | Oki Electric Ind Co Ltd | 遠隔制御用データ多重化方式 |
JPH07107054A (ja) * | 1993-10-08 | 1995-04-21 | Nec Corp | Dcme装置のプリアサイン情報入力方式 |
US5576625A (en) * | 1994-02-07 | 1996-11-19 | Kabushiki Kaisha Toshiba | Test method and apparatus for testing a protective relay system |
CA2214743C (en) * | 1996-09-20 | 2002-03-05 | Ntt Mobile Communications Network Inc. | A frame synchronization circuit and communications system |
-
1999
- 1999-06-07 JP JP15914199A patent/JP3827888B2/ja not_active Expired - Lifetime
-
2000
- 2000-06-01 KR KR10-2000-0029954A patent/KR100385202B1/ko active IP Right Grant
- 2000-06-06 US US09/588,200 patent/US6731655B1/en not_active Expired - Lifetime
- 2000-06-06 CN CNB001080512A patent/CN100364197C/zh not_active Expired - Lifetime
- 2000-06-07 SE SE0002122A patent/SE519714C2/sv not_active IP Right Cessation
- 2000-06-07 DE DE10028088A patent/DE10028088A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
SE519714C2 (sv) | 2003-04-01 |
CN1276639A (zh) | 2000-12-13 |
KR20010020936A (ko) | 2001-03-15 |
KR100385202B1 (ko) | 2003-05-27 |
DE10028088A1 (de) | 2001-03-22 |
US6731655B1 (en) | 2004-05-04 |
JP3827888B2 (ja) | 2006-09-27 |
SE0002122L (sv) | 2000-12-08 |
CN100364197C (zh) | 2008-01-23 |
JP2000350353A (ja) | 2000-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |