ZA952987B - Methods and apparatus for identifying faulted phases on an electric power transmission line - Google Patents
Methods and apparatus for identifying faulted phases on an electric power transmission lineInfo
- Publication number
- ZA952987B ZA952987B ZA952987A ZA952987A ZA952987B ZA 952987 B ZA952987 B ZA 952987B ZA 952987 A ZA952987 A ZA 952987A ZA 952987 A ZA952987 A ZA 952987A ZA 952987 B ZA952987 B ZA 952987B
- Authority
- ZA
- South Africa
- Prior art keywords
- line
- electric power
- power transmission
- transmission line
- methods
- 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
- H02H7/265—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 making use of travelling wave theory
-
- 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
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Small-Scale Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9408138A GB2288930B (en) | 1994-04-25 | 1994-04-25 | Methods and apparatus for identifying faulted phases on an electric power transmission line |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA952987B true ZA952987B (en) | 1995-12-21 |
Family
ID=10754058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA952987A ZA952987B (en) | 1994-04-25 | 1995-04-11 | Methods and apparatus for identifying faulted phases on an electric power transmission line |
Country Status (9)
Country | Link |
---|---|
US (1) | US5608327A (xx) |
EP (1) | EP0684678B1 (xx) |
AT (1) | ATE170678T1 (xx) |
AU (1) | AU689859B2 (xx) |
CA (1) | CA2146490A1 (xx) |
DE (1) | DE69504413T2 (xx) |
ES (1) | ES2122446T3 (xx) |
GB (1) | GB2288930B (xx) |
ZA (1) | ZA952987B (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FR2740899B1 (fr) * | 1995-11-06 | 1997-12-05 | Gec Alsthom T D Balteau | Transformateur de mesure non conventionnel |
SE507043C2 (sv) * | 1996-08-29 | 1998-03-16 | Asea Brown Boveri | Mätförfarande vid linjefels lokator på HVDC-linjer |
US5783946A (en) * | 1997-03-05 | 1998-07-21 | Abb Power T&D Company Inc. | Fault type classification algorithm |
DE19855006C2 (de) | 1998-11-20 | 2003-11-20 | Siemens Ag | Verfahren zum Erzeugen eines einen Kurzschluß kennzeichnenden Fehlersignals |
GB2345810B (en) * | 1999-01-13 | 2003-07-23 | Alstom Uk Ltd | Fault-detection apparatus |
US20030212473A1 (en) * | 2002-02-25 | 2003-11-13 | General Electric Company | Processing system for a power distribution system |
US7535233B2 (en) * | 2004-07-15 | 2009-05-19 | Cooper Technologies Company | Traveling wave based relay protection |
US7638999B2 (en) * | 2006-04-07 | 2009-12-29 | Cooper Technologies Company | Protective relay device, system and methods for Rogowski coil sensors |
US7564233B2 (en) * | 2006-11-06 | 2009-07-21 | Cooper Technologies Company | Shielded Rogowski coil assembly and methods |
US7738221B2 (en) | 2007-12-07 | 2010-06-15 | Cooper Technologies Company | Transformer inrush current detector |
BRPI0901107A2 (pt) * | 2009-03-05 | 2010-01-19 | Reason Tecnologia S A | mÉtodo e mecanismo para identificaÇço, registro e armazenamento de frentes de ondas viajantes em sistemas de energia elÉtrica |
US10310017B2 (en) | 2012-09-13 | 2019-06-04 | General Electric Company | Detection of generator stator inter-circuit faults |
US20140233138A1 (en) * | 2013-02-15 | 2014-08-21 | Delphi Technologies, Inc. | Ground fault circuit interrupter |
CN105092999B (zh) | 2014-05-19 | 2017-12-12 | 罗克韦尔自动化技术公司 | 利用多个指示的电力质量事件定位 |
US9541586B2 (en) * | 2014-11-24 | 2017-01-10 | Rockwell Automation Technologies, Inc. | Capture of power quality information at the time a device fails |
CN105866621A (zh) * | 2016-03-30 | 2016-08-17 | 昆明理工大学 | 一种基于模量时差的故障测距方法 |
CN107086550A (zh) * | 2017-05-24 | 2017-08-22 | 南京南瑞继保电气有限公司 | 一种高压或特高压直流线路电压突变量保护防误动方法 |
CN109669096B (zh) * | 2019-01-24 | 2020-08-18 | 济南大学 | 同杆双回输电线路的单回线单相接地故障定位方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4183072A (en) * | 1976-12-29 | 1980-01-08 | Mitsubishi Denki Kabushiki Kaisha | Protective relaying system |
SE410925B (sv) * | 1978-04-06 | 1979-11-12 | Asea Ab | Riktad vagdetektor |
DE3068046D1 (en) * | 1979-09-27 | 1984-07-05 | Gen Electric Co Plc | Method and apparatus for identifying faults in electric power transmission systems |
IN155620B (xx) * | 1980-03-01 | 1985-02-16 | Gen Electric Co Plc | |
US4398255A (en) * | 1981-06-26 | 1983-08-09 | General Electric Company | Polyphase angle estimator |
US4438475A (en) * | 1982-08-02 | 1984-03-20 | Westinghouse Electric Corp. | Ultra-high speed protective relay apparatus and method for providing single pole switching |
SE452534B (sv) * | 1986-04-08 | 1987-11-30 | Asea Ab | Forfarande och anordning for reckviddsbegrensning och direktutlosning i samband med skydd av en kraftledning |
SE452533B (sv) * | 1986-04-08 | 1987-11-30 | Asea Ab | Forfarande for riktningsdetektering av fel pa en kraftledning samt anordning for genomforande av det nemnda forfarandet |
SE459706B (sv) * | 1987-11-12 | 1989-07-24 | Asea Ab | Laengsdifferentialskydd |
SE459946B (sv) * | 1987-12-29 | 1989-08-21 | Asea Ab | Relaeskydd med selektivt fasval foer dubbelledningar |
SE460804B (sv) * | 1988-03-25 | 1989-11-20 | Asea Brown Boveri | Foerfarande och anordning foer felbestaemning vid fel paa en kraftledning |
GB2222688B (en) * | 1988-09-09 | 1992-12-23 | Gen Electric Co Plc | Equipment for and methods of locating the position of a fault on a power transmission line |
SE469811B (sv) * | 1992-03-20 | 1993-09-13 | Asea Brown Boveri | Förfarande för fasval för enpolig utlösning av högimpediva jordfel i direktjordade kraftnät samt anordning för genomförande av det nämnda förfarandet |
SE470197B (sv) * | 1992-06-26 | 1993-11-29 | Asea Brown Boveri | Förfarande och anordning för att bestämma den felström som uppstår vid ett fel på kraftlinjer vid kortslutning mellan fas/faser till jord |
SE470499B (sv) * | 1992-10-20 | 1994-06-06 | Asea Brown Boveri | Förfarande och anordning för felbestämning vid fel på en kraftledning |
-
1994
- 1994-04-25 GB GB9408138A patent/GB2288930B/en not_active Revoked
-
1995
- 1995-03-29 ES ES95302101T patent/ES2122446T3/es not_active Expired - Lifetime
- 1995-03-29 AT AT95302101T patent/ATE170678T1/de active
- 1995-03-29 DE DE69504413T patent/DE69504413T2/de not_active Expired - Fee Related
- 1995-03-29 EP EP95302101A patent/EP0684678B1/en not_active Expired - Lifetime
- 1995-04-06 US US08/417,912 patent/US5608327A/en not_active Expired - Fee Related
- 1995-04-06 CA CA002146490A patent/CA2146490A1/en not_active Abandoned
- 1995-04-11 ZA ZA952987A patent/ZA952987B/xx unknown
- 1995-04-24 AU AU17640/95A patent/AU689859B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU1764095A (en) | 1995-11-02 |
DE69504413D1 (de) | 1998-10-08 |
ATE170678T1 (de) | 1998-09-15 |
US5608327A (en) | 1997-03-04 |
DE69504413T2 (de) | 1999-09-02 |
GB2288930A (en) | 1995-11-01 |
ES2122446T3 (es) | 1998-12-16 |
CA2146490A1 (en) | 1995-10-26 |
AU689859B2 (en) | 1998-04-09 |
EP0684678A1 (en) | 1995-11-29 |
GB2288930B (en) | 1998-01-21 |
EP0684678B1 (en) | 1998-09-02 |
GB9408138D0 (en) | 1994-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2288930B (en) | Methods and apparatus for identifying faulted phases on an electric power transmission line | |
WO2005006363A3 (en) | System, apparatus and method for detection of electrical faults | |
JPS6472080A (en) | Method and apparatus for testing rectifier of brushless ac dynamotor | |
ZA777152B (en) | Method and apparatus for detecting fault currents in electrical networks | |
DE3366747D1 (en) | Methods of investigating ground faults particularly on induction furnaces | |
PL333380A1 (en) | Earth fault protection circuit for a current generator stator winding | |
JPS564066A (en) | Water-tree detection method of rubber/plastic insulated power cable | |
ATE1032T1 (de) | Verfahren und schaltungsanordnung zur pruefung von fehlerstrom- bzw. fehlerspannungsschutzschaltern. | |
Oliveira et al. | On-line diagnostics of transformer winding insulation failures, by Parks vector approach | |
SU943613A1 (ru) | Устройство дл измерени посто нной времени вихревых токов | |
Johns et al. | Performance of high-speed distance relays with particular reference to travelling-wave effects | |
IE810253L (en) | Measurement of electric power-polyphase network | |
RU2125271C1 (ru) | Способ контроля изоляции в трехфазной электрической сети с изолированной нейтралью | |
PL333471A1 (en) | Earth-fault protection circuit for a generator's stator winding | |
JPH071297B2 (ja) | 高圧配電線路の故障点標定方法 | |
SU1576874A1 (ru) | Способ определени модул полной проводимости изол ции трехфазной сети с изолированной нейтралью | |
SE8400591L (sv) | Anordning for anslutning av en pulserande spenning over en lindning vid kontroll av en elektrisk maskin | |
JPS5682458A (en) | Insulation resistance measuring apparatus of neutral point ground system | |
JPH09229994A (ja) | 変圧器の部分放電検出方法 | |
SU1751691A1 (ru) | Способ контрол сопротивлени изол ции при токовой сушке обмоток трехфазного электродвигател и устройство дл его осуществлени | |
JPH0690247B2 (ja) | 絶縁抵抗測定装置の自己診断方法 | |
JPH0755858A (ja) | 絶縁監視装置 | |
Smolleck et al. | Dynamic simulation of induction-motor starting using the microcomputer | |
JPS56119860A (en) | Insulation measuring method for single-phase three-wire circuit | |
JPS55127855A (en) | Winding insulation examining device for rotating electrical machinery |