AT346960B - CIRCUIT ARRANGEMENT FOR DETECTING FAULTS IN A SYSTEM CONSISTING OF AT LEAST ONE BUSBAR AND ITS BRANCHES - Google Patents
CIRCUIT ARRANGEMENT FOR DETECTING FAULTS IN A SYSTEM CONSISTING OF AT LEAST ONE BUSBAR AND ITS BRANCHESInfo
- Publication number
- AT346960B AT346960B AT139875A AT139875A AT346960B AT 346960 B AT346960 B AT 346960B AT 139875 A AT139875 A AT 139875A AT 139875 A AT139875 A AT 139875A AT 346960 B AT346960 B AT 346960B
- Authority
- AT
- Austria
- Prior art keywords
- busbar
- branches
- circuit arrangement
- system consisting
- detecting faults
- 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
- H02H7/22—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 distribution gear, e.g. bus-bar systems; for switching devices
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/283—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus and taking into account saturation of current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH274674A CH577762A5 (en) | 1974-02-27 | 1974-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA139875A ATA139875A (en) | 1977-04-15 |
AT346960B true AT346960B (en) | 1978-12-11 |
Family
ID=4240670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT139875A AT346960B (en) | 1974-02-27 | 1975-02-24 | CIRCUIT ARRANGEMENT FOR DETECTING FAULTS IN A SYSTEM CONSISTING OF AT LEAST ONE BUSBAR AND ITS BRANCHES |
Country Status (10)
Country | Link |
---|---|
AT (1) | AT346960B (en) |
BE (1) | BE825874A (en) |
CH (1) | CH577762A5 (en) |
DE (1) | DE2413399A1 (en) |
DK (1) | DK68075A (en) |
ES (1) | ES435029A1 (en) |
FR (1) | FR2262428A1 (en) |
IT (1) | IT1033141B (en) |
NL (1) | NL183001C (en) |
SE (1) | SE407316B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4173774A (en) * | 1977-12-08 | 1979-11-06 | Westinghouse Electric Corp. | Parallel AC electrical system with differential protection immune to high current through faults |
AT384325B (en) * | 1986-03-20 | 1987-10-27 | Bbc Ag Oesterr | Ground fault busbar protection |
JPH06225448A (en) * | 1992-12-04 | 1994-08-12 | Fuji Electric Co Ltd | Method of protecting bus |
FR2990305B1 (en) * | 2012-05-07 | 2015-11-20 | Ece | METHOD FOR PROTECTING AN ELECTRIC POWER DISTRIBUTION UNIT |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT271610B (en) * | 1966-06-08 | 1969-06-10 | Siemens Gmbh | Differential protection device for electrical systems with two or more branches |
DE2216377B2 (en) * | 1972-03-30 | 1974-09-12 | Siemens Ag | Differential protection |
-
1974
- 1974-02-27 CH CH274674A patent/CH577762A5/xx not_active IP Right Cessation
- 1974-03-20 DE DE19742413399 patent/DE2413399A1/en active Granted
-
1975
- 1975-02-21 DK DK68075A patent/DK68075A/da not_active Application Discontinuation
- 1975-02-21 SE SE7501981A patent/SE407316B/en not_active IP Right Cessation
- 1975-02-24 FR FR7505719A patent/FR2262428A1/en active Granted
- 1975-02-24 ES ES435029A patent/ES435029A1/en not_active Expired
- 1975-02-24 BE BE153646A patent/BE825874A/en not_active IP Right Cessation
- 1975-02-24 AT AT139875A patent/AT346960B/en not_active IP Right Cessation
- 1975-02-25 IT IT2059875A patent/IT1033141B/en active
- 1975-02-27 NL NL7502359A patent/NL183001C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2413399C2 (en) | 1989-04-20 |
NL183001C (en) | 1988-06-16 |
ATA139875A (en) | 1977-04-15 |
FR2262428B1 (en) | 1982-03-05 |
ES435029A1 (en) | 1976-12-16 |
DK68075A (en) | 1975-10-27 |
SE407316B (en) | 1979-03-19 |
AU7847975A (en) | 1976-08-26 |
NL7502359A (en) | 1975-08-29 |
SE7501981L (en) | 1975-08-29 |
FR2262428A1 (en) | 1975-09-19 |
CH577762A5 (en) | 1976-07-15 |
NL183001B (en) | 1988-01-18 |
BE825874A (en) | 1975-06-16 |
DE2413399A1 (en) | 1975-09-04 |
IT1033141B (en) | 1979-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |