DE2712975C2 - - Google Patents
Info
- Publication number
- DE2712975C2 DE2712975C2 DE2712975A DE2712975A DE2712975C2 DE 2712975 C2 DE2712975 C2 DE 2712975C2 DE 2712975 A DE2712975 A DE 2712975A DE 2712975 A DE2712975 A DE 2712975A DE 2712975 C2 DE2712975 C2 DE 2712975C2
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
- Ac-Ac Conversion (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Measurement Of Current Or Voltage (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2712975A1 DE2712975A1 (de) | 1978-09-07 |
DE2712975C2 true DE2712975C2 (US07534539-20090519-C00603.png) | 1987-01-29 |
Family
ID=4236244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772712975 Granted DE2712975A1 (de) | 1977-03-01 | 1977-03-24 | Verfahren zur erzielung eines 100%- statorerdschlusschutzes fuer generatoren in blockschaltung |
Country Status (5)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT401442B (de) * | 1993-06-18 | 1996-09-25 | Elin Energieversorgung | Einrichtung zum schutz der ständerwicklung von einer synchronmaschine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1463574B1 (de) * | 1964-01-18 | 1970-06-04 | Siemens Ag | Erdschlussschutzeinrichtung fuer galvanisch vom Netz getrennte Wechsel- oder Drehstromsysteme |
-
1977
- 1977-03-01 CH CH254777A patent/CH615536A5/de not_active IP Right Cessation
- 1977-03-24 DE DE19772712975 patent/DE2712975A1/de active Granted
-
1978
- 1978-02-13 GB GB5678/78A patent/GB1601235A/en not_active Expired
- 1978-02-20 FI FI780550A patent/FI67977C/fi not_active IP Right Cessation
- 1978-02-20 SE SE7801944A patent/SE424031B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE424031B (sv) | 1982-06-21 |
FI67977C (fi) | 1985-06-10 |
FI67977B (fi) | 1985-02-28 |
GB1601235A (en) | 1981-10-28 |
FI780550A (fi) | 1978-09-02 |
CH615536A5 (en) | 1980-01-31 |
SE7801944L (sv) | 1978-09-02 |
DE2712975A1 (de) | 1978-09-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAM | Search report available | ||
OC | Search report available | ||
8110 | Request for examination paragraph 44 | ||
8128 | New person/name/address of the agent |
Representative=s name: LUECK, G., DIPL.-ING. DR.RER.NAT., PAT.-ANW., 7891 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: BBC BROWN BOVERI AG, BADEN, AARGAU, CH |
|
8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |
|
8339 | Ceased/non-payment of the annual fee |