FI780550A - FOERFARANDE FOER UPPNAOENDE AV 100% STATORJORDSLUTNINGSSKYDD FOER GENERATORER I BLOCKKOPPLING - Google Patents
FOERFARANDE FOER UPPNAOENDE AV 100% STATORJORDSLUTNINGSSKYDD FOER GENERATORER I BLOCKKOPPLINGInfo
- Publication number
- FI780550A FI780550A FI780550A FI780550A FI780550A FI 780550 A FI780550 A FI 780550A FI 780550 A FI780550 A FI 780550A FI 780550 A FI780550 A FI 780550A FI 780550 A FI780550 A FI 780550A
- Authority
- FI
- Finland
- Prior art keywords
- foer
- uppnaoende
- statorjordslutningsskydd
- generatorer
- blockkoppling
- Prior art date
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
- H02H3/16—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 fault current to earth, frame or mass
- H02H3/17—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 fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
-
- 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
- H02H7/06—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 dynamo-electric generators; for synchronous capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Ac-Ac Conversion (AREA)
- Measurement Of Current Or Voltage (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH254777A CH615536A5 (en) | 1977-03-01 | 1977-03-01 | Method for achieving 100% stator earth fault protection for a generator in unit connection |
CH254777 | 1977-03-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI780550A true FI780550A (en) | 1978-09-02 |
FI67977B FI67977B (en) | 1985-02-28 |
FI67977C FI67977C (en) | 1985-06-10 |
Family
ID=4236244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI780550A FI67977C (en) | 1977-03-01 | 1978-02-20 | FOERFARANDE OCH ANORDNING FOER UPPNAOENDE AV 100% -IGT STATORJORDSLUTNINGSSKYDD FOER GENERATORER I BLOCKKOPPLING |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH615536A5 (en) |
DE (1) | DE2712975A1 (en) |
FI (1) | FI67977C (en) |
GB (1) | GB1601235A (en) |
SE (1) | SE424031B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT401442B (en) * | 1993-06-18 | 1996-09-25 | Elin Energieversorgung | DEVICE FOR PROTECTING THE STAND STANDING FROM A SYNCHRONOUS MACHINE |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1463574B1 (en) * | 1964-01-18 | 1970-06-04 | Siemens Ag | Earth fault protection device for alternating or three-phase systems that are galvanically separated from the mains |
-
1977
- 1977-03-01 CH CH254777A patent/CH615536A5/en not_active IP Right Cessation
- 1977-03-24 DE DE19772712975 patent/DE2712975A1/en active Granted
-
1978
- 1978-02-13 GB GB5678/78A patent/GB1601235A/en not_active Expired
- 1978-02-20 SE SE7801944A patent/SE424031B/en not_active IP Right Cessation
- 1978-02-20 FI FI780550A patent/FI67977C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2712975A1 (en) | 1978-09-07 |
SE7801944L (en) | 1978-09-02 |
DE2712975C2 (en) | 1987-01-29 |
FI67977B (en) | 1985-02-28 |
GB1601235A (en) | 1981-10-28 |
CH615536A5 (en) | 1980-01-31 |
FI67977C (en) | 1985-06-10 |
SE424031B (en) | 1982-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: BBC AG BROWN, BOVERI & CIE. |