DK68075A - - Google Patents
Info
- Publication number
- DK68075A DK68075A DK68075A DK68075A DK68075A DK 68075 A DK68075 A DK 68075A DK 68075 A DK68075 A DK 68075A DK 68075 A DK68075 A DK 68075A DK 68075 A DK68075 A DK 68075A
- Authority
- DK
- Denmark
Links
Classifications
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- 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
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- 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 (da) | 1974-02-27 | 1974-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK68075A true DK68075A (da) | 1975-10-27 |
Family
ID=4240670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK68075A DK68075A (da) | 1974-02-27 | 1975-02-21 |
Country Status (10)
Country | Link |
---|---|
AT (1) | AT346960B (da) |
BE (1) | BE825874A (da) |
CH (1) | CH577762A5 (da) |
DE (1) | DE2413399A1 (da) |
DK (1) | DK68075A (da) |
ES (1) | ES435029A1 (da) |
FR (1) | FR2262428A1 (da) |
IT (1) | IT1033141B (da) |
NL (1) | NL183001C (da) |
SE (1) | SE407316B (da) |
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 (de) * | 1986-03-20 | 1987-10-27 | Bbc Ag Oesterr | Erdschlusssammelschienenschutz |
JPH06225448A (ja) * | 1992-12-04 | 1994-08-12 | Fuji Electric Co Ltd | 母線保護方法 |
FR2990305B1 (fr) | 2012-05-07 | 2015-11-20 | Ece | Procede de protection d'un boitier de distribution d'energie electrique |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT271610B (de) * | 1966-06-08 | 1969-06-10 | Siemens Gmbh | Differentialschutzeinrichtung für elektrische Anlagen mit zwei oder mehreren Abzweigen |
DE2216377B2 (de) * | 1972-03-30 | 1974-09-12 | Siemens Ag | Differentialschutz |
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1974
- 1974-02-27 CH CH274674A patent/CH577762A5/xx not_active IP Right Cessation
- 1974-03-20 DE DE19742413399 patent/DE2413399A1/de active Granted
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1975
- 1975-02-21 SE SE7501981A patent/SE407316B/xx not_active IP Right Cessation
- 1975-02-21 DK DK68075A patent/DK68075A/da not_active Application Discontinuation
- 1975-02-24 ES ES435029A patent/ES435029A1/es not_active Expired
- 1975-02-24 BE BE153646A patent/BE825874A/xx not_active IP Right Cessation
- 1975-02-24 FR FR7505719A patent/FR2262428A1/fr active Granted
- 1975-02-24 AT AT139875A patent/AT346960B/de not_active IP Right Cessation
- 1975-02-25 IT IT2059875A patent/IT1033141B/it active
- 1975-02-27 NL NL7502359A patent/NL183001C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2262428A1 (en) | 1975-09-19 |
SE7501981L (da) | 1975-08-29 |
AT346960B (de) | 1978-12-11 |
IT1033141B (it) | 1979-07-10 |
NL183001C (nl) | 1988-06-16 |
SE407316B (sv) | 1979-03-19 |
FR2262428B1 (da) | 1982-03-05 |
DE2413399A1 (de) | 1975-09-04 |
AU7847975A (en) | 1976-08-26 |
CH577762A5 (da) | 1976-07-15 |
ES435029A1 (es) | 1976-12-16 |
ATA139875A (de) | 1977-04-15 |
BE825874A (fr) | 1975-06-16 |
NL7502359A (nl) | 1975-08-29 |
DE2413399C2 (da) | 1989-04-20 |
NL183001B (nl) | 1988-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHS | Application shelved for other reasons than non-payment |