CH429897A - Transformatordifferentialschutz - Google Patents
TransformatordifferentialschutzInfo
- Publication number
- CH429897A CH429897A CH1477064A CH1477064A CH429897A CH 429897 A CH429897 A CH 429897A CH 1477064 A CH1477064 A CH 1477064A CH 1477064 A CH1477064 A CH 1477064A CH 429897 A CH429897 A CH 429897A
- Authority
- CH
- Switzerland
- Prior art keywords
- differential protection
- transformer differential
- transformer
- protection
- differential
- 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
- H02H7/04—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 for transformers
- H02H7/045—Differential protection of transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Transformers (AREA)
- Emergency Protection Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE12787/63A SE304325B (de) | 1963-11-20 | 1963-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH429897A true CH429897A (de) | 1967-02-15 |
Family
ID=20296296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1477064A CH429897A (de) | 1963-11-20 | 1964-11-12 | Transformatordifferentialschutz |
Country Status (5)
Country | Link |
---|---|
US (1) | US3323016A (de) |
CH (1) | CH429897A (de) |
DE (1) | DE1297197B (de) |
GB (1) | GB1078104A (de) |
SE (1) | SE304325B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4204237A (en) * | 1978-11-30 | 1980-05-20 | Gould Inc. | Solid state transformer differential relay |
AU560683B2 (en) * | 1982-06-23 | 1987-04-16 | Mitsubishi Denki Kabushiki Kaisha | Protective relay with second harmonic suppression |
US4903160A (en) * | 1985-02-25 | 1990-02-20 | Westinghouse Electric Corp. | Sudden, pressure relay supervisory apparatus |
US5014153A (en) * | 1989-02-01 | 1991-05-07 | Basler Electric Company | Transformer differential relay |
US5627712A (en) * | 1990-04-19 | 1997-05-06 | General Electric Company | Transformer differential relay |
US20170138996A1 (en) * | 2014-03-28 | 2017-05-18 | Siemens Aktiengesellschaft | Differential protection method and differential protection device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2863100A (en) * | 1955-11-23 | 1958-12-02 | Gen Electric | Protective relaying equipment |
DE1046162B (de) * | 1956-04-23 | 1958-12-11 | Licentia Gmbh | Relais mit einer von der Kurvenform der zu ueberwachenden elektrischen Groesse abhaengigen Ansprechempfindlichkeit |
US3144590A (en) * | 1958-06-13 | 1964-08-11 | Westinghouse Electric Corp | Frequency selective networks |
DE1100781B (de) * | 1959-07-31 | 1961-03-02 | Siemens Ag | Schaltungsanordnung fuer einen einschaltsicheren Differential-schutz fuer Transformatoren |
-
1963
- 1963-11-20 SE SE12787/63A patent/SE304325B/xx unknown
-
1964
- 1964-11-05 DE DEA47528A patent/DE1297197B/de not_active Withdrawn
- 1964-11-12 CH CH1477064A patent/CH429897A/de unknown
- 1964-11-16 US US411325A patent/US3323016A/en not_active Expired - Lifetime
- 1964-11-19 GB GB47100/64A patent/GB1078104A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1078104A (en) | 1967-08-02 |
SE304325B (de) | 1968-09-23 |
DE1297197B (de) | 1969-06-12 |
US3323016A (en) | 1967-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT254655B (de) | Bohrwerkzueg | |
CH414069A (fr) | Mélangeur-frotteur | |
CH429897A (de) | Transformatordifferentialschutz | |
FR1435631A (fr) | Accouplements | |
AT252857B (de) | Rollkarde | |
CH420245A (fr) | Wagon-lit | |
FR1388019A (fr) | Manchon | |
CH397177A (de) | Cintre | |
FR1342687A (fr) | Protection différentielle | |
BR6463117D0 (pt) | 7-16-dialquil-pregnanos | |
CH399683A (it) | Wäschegestell | |
FR1390221A (fr) | Transformateur | |
FR1377826A (fr) | Transformateur | |
FI36083A (fi) | Myllykone | |
CH440443A (de) | Stelltransformator | |
ES102479Y (es) | Reja visual-quitasol | |
FR1376873A (fr) | Aide-mémoire | |
ES98733Y (es) | Interruptor-conmutador perfeccionado | |
ES98652Y (es) | Calcógrafo perfeccionado | |
ES103058Y (es) | Bañera-bidé perfeccionada | |
ES103295Y (es) | Cartera-billetero | |
ES101025Y (es) | Cartera-estuche | |
ES101527Y (es) | Porta-escapularios | |
BE747700Q (fr) | Postzegelinsteekinrichting | |
ES101426Y (es) | Faja-pantalón |