DE2712975C2 - Statorerdschlußschutz für Generatoren in Blockschaltung - Google Patents
Statorerdschlußschutz für Generatoren in BlockschaltungInfo
- 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
- Prior art keywords
- voltage
- earth fault
- fault protection
- displacement
- stator
- Prior art date
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 33
- 238000004804 winding Methods 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 210000002023 somite Anatomy 0.000 description 1
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)
- Protection Of Generators And Motors (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 (de) | 1987-01-29 |
Family
ID=4236244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2712975A Expired DE2712975C2 (de) | 1977-03-01 | 1977-03-24 | Statorerdschlußschutz für Generatoren in Blockschaltung |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH615536A5 (nl) |
DE (1) | DE2712975C2 (nl) |
FI (1) | FI67977C (nl) |
GB (1) | GB1601235A (nl) |
SE (1) | SE424031B (nl) |
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 DE2712975A patent/DE2712975C2/de not_active Expired
-
1978
- 1978-02-13 GB GB5678/78A patent/GB1601235A/en not_active Expired
- 1978-02-20 SE SE7801944A patent/SE424031B/sv not_active IP Right Cessation
- 1978-02-20 FI FI780550A patent/FI67977C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH615536A5 (en) | 1980-01-31 |
DE2712975A1 (de) | 1978-09-07 |
FI67977C (fi) | 1985-06-10 |
SE424031B (sv) | 1982-06-21 |
FI780550A (fi) | 1978-09-02 |
GB1601235A (en) | 1981-10-28 |
FI67977B (fi) | 1985-02-28 |
SE7801944L (sv) | 1978-09-02 |
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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 |