DE69942906D1 - Verbessertes Fehlerschutzverfahren - Google Patents
Verbessertes FehlerschutzverfahrenInfo
- Publication number
- DE69942906D1 DE69942906D1 DE69942906T DE69942906T DE69942906D1 DE 69942906 D1 DE69942906 D1 DE 69942906D1 DE 69942906 T DE69942906 T DE 69942906T DE 69942906 T DE69942906 T DE 69942906T DE 69942906 D1 DE69942906 D1 DE 69942906D1
- Authority
- DE
- Germany
- Prior art keywords
- fault
- output signal
- circuit breaker
- local
- line
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 5
- 238000005259 measurement Methods 0.000 abstract 3
- 238000012544 monitoring process Methods 0.000 abstract 3
Classifications
-
- 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
- H02H7/30—Staggered disconnection
-
- 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
- H02H3/08—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 excess current
- H02H3/093—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 excess current with timing means
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Heat Treatment Of Steel (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Optical Communication System (AREA)
- Liquid Crystal Substances (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9820141.1A GB9820141D0 (en) | 1998-09-17 | 1998-09-17 | Improved fault protection scheme |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69942906D1 true DE69942906D1 (de) | 2010-12-16 |
Family
ID=10838935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69942906T Expired - Lifetime DE69942906D1 (de) | 1998-09-17 | 1999-09-16 | Verbessertes Fehlerschutzverfahren |
Country Status (7)
Country | Link |
---|---|
US (1) | US6369996B1 (de) |
EP (1) | EP1011185B1 (de) |
CN (1) | CN100388585C (de) |
AT (1) | ATE487260T1 (de) |
CA (1) | CA2282625C (de) |
DE (1) | DE69942906D1 (de) |
GB (2) | GB9820141D0 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6469629B1 (en) * | 1999-02-12 | 2002-10-22 | General Electric Company | Distributed logic in multiple protective relays |
FR2791823B1 (fr) * | 1999-03-30 | 2001-05-11 | Electricite De France | Dispositif et procede de protection d'une ligne d'un reseau de lignes d'alimentation en energie electrique |
DE10014929C2 (de) * | 2000-03-20 | 2002-07-11 | Siemens Ag | Verfahren zum Durchführen einer automatischen Wiedereinschaltung und Wiedereinschalteinrichtung |
GB2375242A (en) * | 2001-05-03 | 2002-11-06 | Alstom | Protecting a section of an electrical power line |
GB0120748D0 (en) | 2001-08-25 | 2001-10-17 | Lucas Aerospace Power Equip | Generator |
JP2003070151A (ja) * | 2001-08-27 | 2003-03-07 | Toshiba Corp | 保護継電装置 |
GB0127745D0 (en) * | 2001-11-20 | 2002-01-09 | Alstom | Protection of double circuit power lines |
JP3830824B2 (ja) * | 2002-01-28 | 2006-10-11 | 株式会社東芝 | ディジタル形方向継電器 |
US7747356B2 (en) | 2002-02-25 | 2010-06-29 | General Electric Company | Integrated protection, monitoring, and control system |
EP1479145B1 (de) * | 2002-02-25 | 2014-11-05 | General Electric Company | Integriertes schutz-, überwachungs- und steuersystem |
US7111195B2 (en) * | 2002-02-25 | 2006-09-19 | General Electric Company | Method and system for external clock to obtain multiple synchronized redundant computers |
US7532955B2 (en) * | 2002-02-25 | 2009-05-12 | General Electric Company | Distributed protection system for power distribution systems |
GB2388482B (en) * | 2002-05-07 | 2005-06-15 | Alstom | Improved power line protection |
JP3857195B2 (ja) * | 2002-07-09 | 2006-12-13 | 株式会社東芝 | 距離継電装置 |
JP4020304B2 (ja) * | 2002-08-09 | 2007-12-12 | 株式会社東芝 | 地絡方向継電器および地絡方向継電装置 |
US7039822B2 (en) * | 2003-02-27 | 2006-05-02 | Promos Technologies Inc. | Integrated circuit memory architecture with selectively offset data and address delays to minimize skew and provide synchronization of signals at the input/output section |
GB2401467B (en) * | 2003-05-09 | 2006-01-25 | Autoliv Dev | Improvements in or relating to a movable or removable unit for a motor vehicle |
US6833711B1 (en) * | 2003-08-01 | 2004-12-21 | Schweitzer Engineering Laboratories, Inc. | Protective relay for powers systems having dependable out-of-step blocking capability |
JP2005168108A (ja) * | 2003-11-28 | 2005-06-23 | Tm T & D Kk | 保護継電装置 |
DE102007008191B4 (de) * | 2007-02-09 | 2009-02-05 | Drewag - Stadtwerke Dresden Gmbh | Verfahren und Datenverarbeitungssystem zur Ermittlung der Anregebedingungen eines ortsfernen Reserveschutzsystems für Mittel- und Hochspannungsleitungen |
EP2223403B1 (de) * | 2007-12-14 | 2017-08-23 | ABB Schweiz AG | Fehlerrichtungsbestimmung |
US9217775B2 (en) | 2010-06-07 | 2015-12-22 | Abb Research Ltd. | Systems and methods for characterizing fault clearing devices |
WO2014018909A1 (en) | 2012-07-27 | 2014-01-30 | San Diego Gas & Electric Company | System for detecting a falling electric power conductor and related methods |
CN103066578B (zh) * | 2013-01-09 | 2015-12-09 | 广东电网公司电力调度控制中心 | 站域零序电流保护方法与系统 |
US9379534B2 (en) * | 2013-03-13 | 2016-06-28 | Consolidated Edison Company Of New York, Inc. | Recloser device and method of operation |
CN103296652B (zh) * | 2013-05-19 | 2016-03-02 | 国家电网公司 | 输电线路单相接地故障零序电压保护方法 |
US11137436B2 (en) | 2017-09-22 | 2021-10-05 | Schweitzer Engineering Laboratories, Inc. | Secure traveling wave distance protection in an electric power delivery system |
US11038342B2 (en) | 2017-09-22 | 2021-06-15 | Schweitzer Engineering Laboratories, Inc. | Traveling wave identification using distortions for electric power system protection |
US10989752B2 (en) * | 2017-09-22 | 2021-04-27 | Schweitzer Engineering Laboratories, Inc. | Distance protection using traveling waves in an electric power delivery system |
CN110061474B (zh) * | 2019-04-16 | 2021-05-14 | 华南理工大学 | 一种识别并防止和应涌流导致变压器差动保护动作的方法 |
CN111810300B (zh) * | 2020-07-03 | 2021-08-06 | 东方电气自动控制工程有限公司 | 燃气轮机保护装置 |
CN112260220B (zh) * | 2020-09-21 | 2023-02-24 | 广东冠能电力科技发展有限公司 | 纵横式零序过流保护方法及系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1280739A (en) * | 1915-06-03 | 1918-10-08 | John B Jameson | Piston-ring. |
GB1084951A (en) * | 1964-01-01 | 1967-09-27 | English Electric Co Ltd | Electrical protective relay arrangement |
GB1090862A (en) | 1964-03-02 | 1967-11-15 | English Electric Co Ltd | Electrical protective relays |
CH493126A (de) * | 1969-11-21 | 1970-06-30 | Sprecher & Schuh Ag | Distanzschutzanordnung in einem vermaschten elektrischen Netz |
US4528611A (en) * | 1983-02-22 | 1985-07-09 | Westinghouse Electric Corp. | Relay for pilot protection of electrical power lines |
US4484245A (en) * | 1983-06-17 | 1984-11-20 | Westinghouse Electric Corp. | Directional comparison blocking protective relay system |
US4674002A (en) * | 1986-04-08 | 1987-06-16 | Westinghouse Electric Corp. | Directional comparison blocking system |
US4725914A (en) * | 1986-12-16 | 1988-02-16 | Westinghouse Electric Corp. | Protective relay system for performing selective-pole trip determination |
GB8727490D0 (en) | 1987-11-24 | 1987-12-23 | Nat Res Dev | Detecting faults in transmission circuits |
US4896241A (en) * | 1989-02-28 | 1990-01-23 | Westinghouse Electric Corp. | Directional comparison blocking protective relay system |
US5838525A (en) * | 1997-04-15 | 1998-11-17 | Abb Power T&D Company, Inc. | High speed single-pole trip logic for use in protective relaying |
-
1998
- 1998-09-17 GB GBGB9820141.1A patent/GB9820141D0/en not_active Ceased
-
1999
- 1999-09-16 CA CA2282625A patent/CA2282625C/en not_active Expired - Fee Related
- 1999-09-16 AT AT99307344T patent/ATE487260T1/de not_active IP Right Cessation
- 1999-09-16 DE DE69942906T patent/DE69942906D1/de not_active Expired - Lifetime
- 1999-09-16 US US09/397,544 patent/US6369996B1/en not_active Expired - Fee Related
- 1999-09-16 EP EP99307344A patent/EP1011185B1/de not_active Expired - Lifetime
- 1999-09-17 GB GB9921880A patent/GB2341738B/en not_active Expired - Fee Related
- 1999-09-17 CN CNB99122468XA patent/CN100388585C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1256540A (zh) | 2000-06-14 |
US6369996B1 (en) | 2002-04-09 |
EP1011185A2 (de) | 2000-06-21 |
GB2341738B (en) | 2002-08-14 |
CN100388585C (zh) | 2008-05-14 |
GB9820141D0 (en) | 1998-11-11 |
ATE487260T1 (de) | 2010-11-15 |
CA2282625C (en) | 2011-08-02 |
EP1011185A3 (de) | 2002-01-23 |
EP1011185B1 (de) | 2010-11-03 |
GB9921880D0 (en) | 1999-11-17 |
GB2341738A (en) | 2000-03-22 |
CA2282625A1 (en) | 2000-03-17 |
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