SE9201972L - Förfarande och anordning för att bestämma den felström som uppstår vid ett fel på kraftlinjer vid kortslutning mellan fas/faser till jord - Google Patents
Förfarande och anordning för att bestämma den felström som uppstår vid ett fel på kraftlinjer vid kortslutning mellan fas/faser till jordInfo
- Publication number
- SE9201972L SE9201972L SE9201972A SE9201972A SE9201972L SE 9201972 L SE9201972 L SE 9201972L SE 9201972 A SE9201972 A SE 9201972A SE 9201972 A SE9201972 A SE 9201972A SE 9201972 L SE9201972 L SE 9201972L
- Authority
- SE
- Sweden
- Prior art keywords
- fault
- phase
- phases
- ground
- determining
- 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
-
- 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
- H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
- H02H3/385—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 both voltage and current; responsive to phase angle between voltage and current using at least one homopolar quantity
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9201972A SE9201972L (sv) | 1992-06-26 | 1992-06-26 | Förfarande och anordning för att bestämma den felström som uppstår vid ett fel på kraftlinjer vid kortslutning mellan fas/faser till jord |
| US08/075,895 US5399974A (en) | 1992-06-26 | 1993-06-14 | Fault current filter |
| DE69304160T DE69304160T2 (de) | 1992-06-26 | 1993-06-23 | Verfahren zur Bestimmung von Fehlerströmen in Übertragungsleitungen und Fehlerstromfilter zur Durchführung des Verfahrens |
| EP93110000A EP0581015B1 (en) | 1992-06-26 | 1993-06-23 | Method for determining fault currents on transmission lines and a fault current filter for carrying out the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9201972A SE9201972L (sv) | 1992-06-26 | 1992-06-26 | Förfarande och anordning för att bestämma den felström som uppstår vid ett fel på kraftlinjer vid kortslutning mellan fas/faser till jord |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9201972D0 SE9201972D0 (sv) | 1992-06-26 |
| SE470197B SE470197B (sv) | 1993-11-29 |
| SE9201972L true SE9201972L (sv) | 1993-11-29 |
Family
ID=20386617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9201972A SE9201972L (sv) | 1992-06-26 | 1992-06-26 | Förfarande och anordning för att bestämma den felström som uppstår vid ett fel på kraftlinjer vid kortslutning mellan fas/faser till jord |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5399974A (en:Method) |
| EP (1) | EP0581015B1 (en:Method) |
| DE (1) | DE69304160T2 (en:Method) |
| SE (1) | SE9201972L (en:Method) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06225448A (ja) * | 1992-12-04 | 1994-08-12 | Fuji Electric Co Ltd | 母線保護方法 |
| SE501934C2 (sv) * | 1993-09-30 | 1995-06-26 | Asea Brown Boveri | Förfarande och anordning för att identifiera enkla jordfel |
| GB2286088B (en) * | 1994-01-26 | 1997-09-24 | Gec Alsthom Ltd | A method of locating the position of a fault on a power transmission line |
| GB2288930B (en) * | 1994-04-25 | 1998-01-21 | Gec Alsthom Ltd | Methods and apparatus for identifying faulted phases on an electric power transmission line |
| DE4441334C1 (de) * | 1994-11-08 | 1996-07-11 | Siemens Ag | Verfahren zum Feststellen des Ortes eines Fehlers in einem vorgegebenen Überwachungsbereich eines mehrphasigen elektrischen Energieübertragungsleitungssystems |
| US5726574A (en) * | 1996-03-11 | 1998-03-10 | Electric Power Research Institute, Inc | Method of locating a fault in an electric power cable |
| US5990686A (en) * | 1996-06-18 | 1999-11-23 | Vokey; David E. | Method and apparatus for locating resistive faults in communication and power cables |
| US5783946A (en) * | 1997-03-05 | 1998-07-21 | Abb Power T&D Company Inc. | Fault type classification algorithm |
| US6583996B2 (en) | 2001-11-14 | 2003-06-24 | Ballard Power Systems Corporation | Method and system for detecting a negative sequence for three phase grid-connected inverter systems |
| US8395871B2 (en) | 2007-02-20 | 2013-03-12 | Abb Technology Ag | Device and method for detecting faulted phases in a multi-phase electrical network |
| US7969155B2 (en) * | 2007-07-03 | 2011-06-28 | Thomas & Betts International, Inc. | Directional fault current indicator |
| US12235310B2 (en) * | 2017-10-31 | 2025-02-25 | Hitachi Energy Ltd | System and method for analyzing fault data of a power transmission network |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176312A (en) * | 1978-02-24 | 1979-11-27 | Teradyne, Inc. | Electrical circuitry for measuring low level signals |
| US4851782A (en) * | 1987-01-15 | 1989-07-25 | Jeerings Donald I | High impedance fault analyzer in electric power distribution |
| AU603871B2 (en) * | 1987-03-03 | 1990-11-29 | Mitsubishi Denki Kabushiki Kaisha | Digital locator |
-
1992
- 1992-06-26 SE SE9201972A patent/SE9201972L/ unknown
-
1993
- 1993-06-14 US US08/075,895 patent/US5399974A/en not_active Expired - Lifetime
- 1993-06-23 EP EP93110000A patent/EP0581015B1/en not_active Expired - Lifetime
- 1993-06-23 DE DE69304160T patent/DE69304160T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5399974A (en) | 1995-03-21 |
| SE470197B (sv) | 1993-11-29 |
| SE9201972D0 (sv) | 1992-06-26 |
| DE69304160D1 (de) | 1996-09-26 |
| EP0581015A2 (en) | 1994-02-02 |
| EP0581015B1 (en) | 1996-08-21 |
| DE69304160T2 (de) | 1997-04-03 |
| EP0581015A3 (en:Method) | 1994-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE9201972L (sv) | Förfarande och anordning för att bestämma den felström som uppstår vid ett fel på kraftlinjer vid kortslutning mellan fas/faser till jord | |
| Kelley et al. | The electric field distribution associated with prebreakdown phenomena in nitrobenzene | |
| McClelland et al. | Complete Measurement of Polarization-Transfer Observables for the Reaction C 12 (p, p′) C* 12 at 500 MeV | |
| CA2010100C (en) | Method and apparatus for measuring ac power | |
| JPS56157802A (en) | Shape detector | |
| EP0322518A1 (en) | Digital protective relay | |
| JPS6049268A (ja) | 交流波形の直流成分を表わす信号発生装置 | |
| JPS57199968A (en) | Method and device for measuring magnetic field | |
| SE9303154D0 (sv) | Förfarande och anordning för att mäta och återskapa belastningsströmmen i ett kraftnät i samband med intraffade fel | |
| SE9303186D0 (sv) | Förfarande och anordning för att identifiera enkla jordfel | |
| JP2986503B2 (ja) | 光方式直流電圧変成器 | |
| EP1708347B1 (fr) | Convertisseur à plusieurs voies, à découpage en cascade et limité en courant | |
| SU928264A1 (ru) | Способ определени места замыкани жилы в кабельной линии | |
| Battersby | Dual networks | |
| SU623162A1 (ru) | Преобразователь на квадраторах дл измерени активной мощности в многофазной системе переменного тока | |
| Gao | Recent results from CLEO collaboration | |
| SU1092435A1 (ru) | Способ определени места повреждени на лини х электропередачи и устройство дл его осуществлени | |
| JP2688276B2 (ja) | 保護継電器 | |
| JPS61186865A (ja) | 周波数継電器 | |
| JPS55116220A (en) | Processing of output of electromagnetic type flow meter | |
| SU1046623A1 (ru) | Устройство дл компенсации прогрессирующей погрешности электрической схемы | |
| SU682837A1 (ru) | Гальваномагнитный измерительный преобразователь активной мощности | |
| JPH0634670A (ja) | 光応用電流検出器 | |
| JPS5383054A (en) | Switching type stabilized power unit | |
| JPH0746746A (ja) | 回路遮断器 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 9201972-8 Format of ref document f/p: F |