SE349402B - - Google Patents
Info
- Publication number
- SE349402B SE349402B SE07090/68A SE709068A SE349402B SE 349402 B SE349402 B SE 349402B SE 07090/68 A SE07090/68 A SE 07090/68A SE 709068 A SE709068 A SE 709068A SE 349402 B SE349402 B SE 349402B
- Authority
- SE
- Sweden
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
- H02H3/40—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 ratio of voltage and current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
-
- 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
- H02H3/081—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 and depending on the direction
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR108704A FR1532591A (fr) | 1967-06-01 | 1967-06-01 | Procédé de détection et de localisation ultra-rapide des défauts sur les lignes de transport d'énergie en courant alternatif à haute tension et dispositifs faisantapplication de ce procédé |
FR144506A FR94742E (fr) | 1967-06-01 | 1968-03-20 | Procédé de détection et de localisation ultra-rapides des défauts sur les lignes de transport d'énergie en courant alternatif a haute tension et dispositifs faisant application de ce procédé. |
Publications (1)
Publication Number | Publication Date |
---|---|
SE349402B true SE349402B (xx) | 1972-09-25 |
Family
ID=26176956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE07090/68A SE349402B (xx) | 1967-06-01 | 1968-05-27 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3593124A (xx) |
CH (1) | CH496241A (xx) |
FR (1) | FR94742E (xx) |
GB (1) | GB1232641A (xx) |
SE (1) | SE349402B (xx) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2160306B1 (xx) * | 1971-11-19 | 1974-05-10 | Schlumberger Compteurs | |
FR2380631A1 (fr) | 1977-02-09 | 1978-09-08 | Schlumberger Compteurs | Relais directionnel |
ZA787333B (en) * | 1978-12-28 | 1980-02-27 | A Purton | Fault distance locator |
US4321681A (en) * | 1979-09-21 | 1982-03-23 | Westinghouse Electric Corp. | Protective relay apparatus |
US4455612A (en) * | 1982-01-27 | 1984-06-19 | Iowa State University Research Foundation, Inc. | Recursive estimation in digital distance relaying system |
FR2527781A1 (fr) * | 1982-05-26 | 1983-12-02 | Enertec | Procede de mesure de distance d'un defaut sur une ligne avec prise en compte des capacites reparties |
SE433405B (sv) * | 1982-09-14 | 1984-05-21 | Asea Ab | Forfarande och anordning for lokalisering av ett felstelle pa en trefasig kraftledning |
FR2547419B1 (fr) * | 1983-06-09 | 1985-07-26 | Enertec | Procede et dispositif de determination d'un parametre associe a une ligne electrique en defaut, utilisant un signal pilote composite. |
CA2168491A1 (en) * | 1995-02-01 | 1996-08-02 | Alexei Bogdan | Data reading device using semiconductor laser |
US6112159A (en) * | 1996-08-01 | 2000-08-29 | Siemens Power Transmission & Distribution, Llc | Robust electrical utility meter |
US6404348B1 (en) | 1999-02-11 | 2002-06-11 | Power Quality Consultants, Inc. | Modular power quality monitoring device |
DE19927029A1 (de) * | 1999-06-04 | 2001-02-08 | Siemens Ag | Verfahren zum Betrieb eines elektronischen Überstromauslösers eines Leistungsschalters |
RU2003137665A (ru) * | 2003-12-29 | 2005-06-10 | Александр Владимирович Лопатин (RU) | Способ определения параметров распределенной сети |
EP1992954B1 (en) * | 2007-05-18 | 2017-12-13 | ABB Schweiz AG | Method for determining location of phase-to-earth fault |
EP2000811B1 (en) * | 2007-05-18 | 2017-12-13 | ABB Schweiz AG | Method for determining location of phase-to-earth fault |
FR2922028B1 (fr) * | 2007-10-05 | 2011-04-29 | Schneider Electric Ind Sas | Localisation d'un defaut dans un reseau de distribution publique moyenne tension |
CN103245880B (zh) * | 2013-04-19 | 2015-12-09 | 国家电网公司 | 利用线路等效参数识别原理的小电流接地故障定位方法 |
CN111092492A (zh) * | 2019-12-31 | 2020-05-01 | 杭州巨骐信息科技股份有限公司 | 一种高压电缆线路运行监测系统 |
CN111695089A (zh) * | 2020-06-12 | 2020-09-22 | 国网四川省电力公司电力科学研究院 | 一种基于多重分形谱的交流输电线路故障识别方法 |
US11588323B2 (en) * | 2020-09-03 | 2023-02-21 | Commonwealth Associates, Inc. | Method and apparatus for locating faults in an islanded microgrid |
PL4131692T3 (pl) * | 2021-08-05 | 2024-02-26 | Future Systems Besitz Gmbh | Urządzenie do wykrywania zwarć |
CN114113878B (zh) * | 2021-11-01 | 2024-11-29 | 中国石油化工股份有限公司 | 低压用电系统故障查找定位仪及查找方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3048744A (en) * | 1953-08-25 | 1962-08-07 | English Electric Co Ltd | Electrical protective relay systems |
GB925014A (en) * | 1958-09-03 | 1963-05-01 | Ass Elect Ind | Improvements relating to impedance protective systems |
DE1150439B (de) * | 1961-05-16 | 1963-06-20 | Siemens Ag | Schnellimpedanzschutz |
GB1093021A (en) * | 1964-02-05 | 1967-11-29 | English Electric Co Ltd | Electrical apparatus for measuring distances along electrical lines |
FR1436596A (fr) * | 1965-01-22 | 1966-04-29 | Compteurs Comp D | Dispositif de protection de distance par relais statiques ultra-rapides |
-
1968
- 1968-03-20 FR FR144506A patent/FR94742E/fr not_active Expired
- 1968-05-27 SE SE07090/68A patent/SE349402B/xx unknown
- 1968-05-28 GB GB1232641D patent/GB1232641A/en not_active Expired
- 1968-05-31 CH CH812268A patent/CH496241A/fr not_active IP Right Cessation
- 1968-06-03 US US734027A patent/US3593124A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR94742E (fr) | 1969-10-24 |
DE1763456B2 (de) | 1976-04-22 |
US3593124A (en) | 1971-07-13 |
CH496241A (fr) | 1970-09-15 |
DE1763456A1 (de) | 1971-11-11 |
GB1232641A (xx) | 1971-05-19 |