CH579330A5 - - Google Patents
Info
- Publication number
- CH579330A5 CH579330A5 CH1705674A CH1705674A CH579330A5 CH 579330 A5 CH579330 A5 CH 579330A5 CH 1705674 A CH1705674 A CH 1705674A CH 1705674 A CH1705674 A CH 1705674A CH 579330 A5 CH579330 A5 CH 579330A5
- Authority
- CH
- Switzerland
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
- H02H7/06—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)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1705674A CH579330A5 (en) | 1974-12-20 | 1974-12-20 | |
DE19752503141 DE2503141A1 (en) | 1974-12-20 | 1975-01-27 | Generator stator earth fault supervisor y circuit with AC bias - uses resonant circuit incorporating winding earth leakage capacitance |
SE7514391A SE413825B (en) | 1974-12-20 | 1975-12-18 | STATOR EQUIPMENT MONITORING DEVICE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1705674A CH579330A5 (en) | 1974-12-20 | 1974-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH579330A5 true CH579330A5 (en) | 1976-08-31 |
Family
ID=4422412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1705674A CH579330A5 (en) | 1974-12-20 | 1974-12-20 |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH579330A5 (en) |
DE (1) | DE2503141A1 (en) |
SE (1) | SE413825B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT391230B (en) * | 1986-08-20 | 1990-09-10 | Elin Union Ag | DEVICE FOR DETECTING THE ZERO TRANSITIONS |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4329381A1 (en) * | 1993-09-01 | 1995-03-02 | Abb Management Ag | Method for detecting earth faults on the conductors of an electrical machine |
PL193474B1 (en) * | 1999-05-24 | 2007-02-28 | Abb Sp Zoo | Earth fault protection circuit for a current generator stator winding |
-
1974
- 1974-12-20 CH CH1705674A patent/CH579330A5/xx not_active IP Right Cessation
-
1975
- 1975-01-27 DE DE19752503141 patent/DE2503141A1/en not_active Ceased
- 1975-12-18 SE SE7514391A patent/SE413825B/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT391230B (en) * | 1986-08-20 | 1990-09-10 | Elin Union Ag | DEVICE FOR DETECTING THE ZERO TRANSITIONS |
Also Published As
Publication number | Publication date |
---|---|
SE413825B (en) | 1980-06-23 |
SE7514391L (en) | 1976-06-21 |
DE2503141A1 (en) | 1976-07-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |