SE8705183D0 - Releskydd med selektivt fasval for dubbelledningar - Google Patents
Releskydd med selektivt fasval for dubbelledningarInfo
- Publication number
- SE8705183D0 SE8705183D0 SE8705183A SE8705183A SE8705183D0 SE 8705183 D0 SE8705183 D0 SE 8705183D0 SE 8705183 A SE8705183 A SE 8705183A SE 8705183 A SE8705183 A SE 8705183A SE 8705183 D0 SE8705183 D0 SE 8705183D0
- Authority
- SE
- Sweden
- Prior art keywords
- stations
- phase
- station
- terminals
- fault
- Prior art date
Links
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
- H02H7/261—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
-
- 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
- H02H7/267—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 for parallel lines and wires
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Locating Faults (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8705183A SE459946B (sv) | 1987-12-29 | 1987-12-29 | Relaeskydd med selektivt fasval foer dubbelledningar |
US07/286,141 US4864453A (en) | 1987-12-29 | 1988-12-19 | Protective relay with selective phase selection for double lines |
DE88121660T DE3880471T2 (de) | 1987-12-29 | 1988-12-24 | Schutzrelais mit selektiver phasenwahl fuer doppelte energie-uebertragungsleitungen. |
EP88121660A EP0325786B1 (en) | 1987-12-29 | 1988-12-24 | Protective relay with selective phase selection for double power transmission lines |
CA000587074A CA1312941C (en) | 1987-12-29 | 1988-12-28 | Protective relay with selective phase selection for double lines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8705183A SE459946B (sv) | 1987-12-29 | 1987-12-29 | Relaeskydd med selektivt fasval foer dubbelledningar |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8705183D0 true SE8705183D0 (sv) | 1987-12-29 |
SE8705183L SE8705183L (sv) | 1989-06-30 |
SE459946B SE459946B (sv) | 1989-08-21 |
Family
ID=20370733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8705183A SE459946B (sv) | 1987-12-29 | 1987-12-29 | Relaeskydd med selektivt fasval foer dubbelledningar |
Country Status (5)
Country | Link |
---|---|
US (1) | US4864453A (sv) |
EP (1) | EP0325786B1 (sv) |
CA (1) | CA1312941C (sv) |
DE (1) | DE3880471T2 (sv) |
SE (1) | SE459946B (sv) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6567256B1 (en) * | 1993-08-06 | 2003-05-20 | Schweitzer Engineering Labs, Inc. | Dual protective relay for power systems |
US5600526A (en) * | 1993-10-15 | 1997-02-04 | The Texas A & M University System | Load analysis system for fault detection |
US5659453A (en) * | 1993-10-15 | 1997-08-19 | Texas A&M University | Arc burst pattern analysis fault detection system |
US5485093A (en) * | 1993-10-15 | 1996-01-16 | The Texas A & M University System | Randomness fault detection system |
US5550751A (en) * | 1993-10-15 | 1996-08-27 | The Texas A & M University System | Expert system for detecting high impedance faults |
US5506789A (en) * | 1993-10-15 | 1996-04-09 | The Texas A & M University System | Load extraction fault detection system |
US5578931A (en) * | 1993-10-15 | 1996-11-26 | The Texas A & M University System | ARC spectral analysis system |
US5512832A (en) * | 1993-10-15 | 1996-04-30 | The Texas A & M University System | Energy analysis fault detection system |
GB2288930B (en) * | 1994-04-25 | 1998-01-21 | Gec Alsthom Ltd | Methods and apparatus for identifying faulted phases on an electric power transmission line |
JP3456952B2 (ja) * | 2000-06-28 | 2003-10-14 | 株式会社東芝 | ディジタル形距離継電器 |
US20030002576A1 (en) * | 2001-06-29 | 2003-01-02 | Whitehead David E. | Apparatus and method for compression of data in protection and control communications between protective relays in a power system |
CN100424953C (zh) * | 2004-10-14 | 2008-10-08 | 南京南瑞继保电气有限公司 | 一种输电线路的重合闸方法 |
US7729098B2 (en) | 2006-03-24 | 2010-06-01 | Ics Triplex Technology Limited | Overload protection method |
US7613974B2 (en) | 2006-03-24 | 2009-11-03 | Ics Triplex Technology Limited | Fault detection method and apparatus |
US8166362B2 (en) | 2006-03-24 | 2012-04-24 | Rockwell Automation Limited | Fault detection method and apparatus for analog to digital converter circuits |
US7504975B2 (en) | 2006-03-24 | 2009-03-17 | Ics Triplex Technology Limited | Method and apparatus for output current control |
US7747405B2 (en) | 2006-03-24 | 2010-06-29 | Ics Triplex Technology Ltd. | Line frequency synchronization |
US7476891B2 (en) | 2006-03-24 | 2009-01-13 | Ics Triplex Technology, Ltd. | Fault detection method and apparatus |
EP1837971B1 (en) * | 2006-03-24 | 2010-03-31 | ICS Triplex Technology Limited | Overload protection method |
US7688560B2 (en) | 2006-03-24 | 2010-03-30 | Ics Triplex Technology Limited | Overload protection method |
US7483803B2 (en) * | 2006-08-11 | 2009-01-27 | Apple Inc. | Methods and apparatuses for calibrating sensors |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4148087A (en) * | 1977-04-20 | 1979-04-03 | Phadke Arun G | Distance relay for electric power transmission lines |
FR2418560A1 (fr) * | 1978-02-23 | 1979-09-21 | Enertec | Detection de la position d'un defaut sur une ligne electrique |
US4261038A (en) * | 1978-02-28 | 1981-04-07 | National Research Development Corporation | Protection of electrical power supply systems |
US4321681A (en) * | 1979-09-21 | 1982-03-23 | Westinghouse Electric Corp. | Protective relay apparatus |
US4319329A (en) * | 1980-02-21 | 1982-03-09 | Iowa State University Research Foundation, Inc. | Frequency measuring and monitoring apparatus, methods and systems |
US4466071A (en) * | 1981-09-28 | 1984-08-14 | Texas A&M University System | High impedance fault detection apparatus and method |
US4617636A (en) * | 1982-03-03 | 1986-10-14 | National Research Development Corporation | Protection of electrical power supply systems |
US4625283A (en) * | 1982-05-07 | 1986-11-25 | Cooper Industries, Inc. | Method and apparatus for digitally measuring alternating current |
JPS6039312A (ja) * | 1983-08-10 | 1985-03-01 | 株式会社東芝 | 保護継電装置 |
SE441138B (sv) * | 1984-02-01 | 1985-09-09 | Asea Ab | Digitalt impedansrele |
JPH0828934B2 (ja) * | 1984-07-31 | 1996-03-21 | 株式会社東芝 | 保護制御装置 |
FR2590992B1 (fr) * | 1985-12-04 | 1988-03-04 | Enertec | Procede et dispositif de discrimination d'un conducteur en defaut dans une ligne multiple |
US4795983A (en) * | 1988-03-07 | 1989-01-03 | Westinghouse Electric Corp. | Method and apparatus for identifying a faulted phase |
-
1987
- 1987-12-29 SE SE8705183A patent/SE459946B/sv not_active IP Right Cessation
-
1988
- 1988-12-19 US US07/286,141 patent/US4864453A/en not_active Expired - Fee Related
- 1988-12-24 EP EP88121660A patent/EP0325786B1/en not_active Expired - Lifetime
- 1988-12-24 DE DE88121660T patent/DE3880471T2/de not_active Expired - Fee Related
- 1988-12-28 CA CA000587074A patent/CA1312941C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0325786A1 (en) | 1989-08-02 |
US4864453A (en) | 1989-09-05 |
CA1312941C (en) | 1993-01-19 |
SE459946B (sv) | 1989-08-21 |
EP0325786B1 (en) | 1993-04-21 |
SE8705183L (sv) | 1989-06-30 |
DE3880471T2 (de) | 1993-11-04 |
DE3880471D1 (de) | 1993-05-27 |
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