FR2262428A1 - Power network fault protection process - sums and compares currents in transformers and bridges - Google Patents
Power network fault protection process - sums and compares currents in transformers and bridgesInfo
- Publication number
- FR2262428A1 FR2262428A1 FR7505719A FR7505719A FR2262428A1 FR 2262428 A1 FR2262428 A1 FR 2262428A1 FR 7505719 A FR7505719 A FR 7505719A FR 7505719 A FR7505719 A FR 7505719A FR 2262428 A1 FR2262428 A1 FR 2262428A1
- Authority
- FR
- France
- Prior art keywords
- sums
- transformers
- bridges
- currents
- power network
- 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.)
- Granted
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 (nl) | 1974-02-27 | 1974-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2262428A1 true FR2262428A1 (en) | 1975-09-19 |
FR2262428B1 FR2262428B1 (nl) | 1982-03-05 |
Family
ID=4240670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7505719A Granted FR2262428A1 (en) | 1974-02-27 | 1975-02-24 | Power network fault protection process - sums and compares currents in transformers and bridges |
Country Status (10)
Country | Link |
---|---|
AT (1) | AT346960B (nl) |
BE (1) | BE825874A (nl) |
CH (1) | CH577762A5 (nl) |
DE (1) | DE2413399A1 (nl) |
DK (1) | DK68075A (nl) |
ES (1) | ES435029A1 (nl) |
FR (1) | FR2262428A1 (nl) |
IT (1) | IT1033141B (nl) |
NL (1) | NL183001C (nl) |
SE (1) | SE407316B (nl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2411499A1 (fr) * | 1977-12-08 | 1979-07-06 | Westinghouse Electric Corp | Reseau de protection differentielle pour circuit a courant alternatif comportant des generateurs en parallele, notamment pour avions |
FR2990305A1 (fr) * | 2012-05-07 | 2013-11-08 | Ece | Procede de protection d'un boitier de distribution d'energie electrique |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
-
1974
- 1974-02-27 CH CH274674A patent/CH577762A5/xx not_active IP Right Cessation
- 1974-03-20 DE DE19742413399 patent/DE2413399A1/de active Granted
-
1975
- 1975-02-21 DK DK68075A patent/DK68075A/da not_active Application Discontinuation
- 1975-02-21 SE SE7501981A patent/SE407316B/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
- 1975-02-24 ES ES435029A patent/ES435029A1/es not_active Expired
- 1975-02-24 BE BE153646A patent/BE825874A/xx not_active IP Right Cessation
- 1975-02-25 IT IT2059875A patent/IT1033141B/it active
- 1975-02-27 NL NL7502359A patent/NL183001C/nl not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2411499A1 (fr) * | 1977-12-08 | 1979-07-06 | Westinghouse Electric Corp | Reseau de protection differentielle pour circuit a courant alternatif comportant des generateurs en parallele, notamment pour avions |
FR2990305A1 (fr) * | 2012-05-07 | 2013-11-08 | Ece | Procede de protection d'un boitier de distribution d'energie electrique |
US9281677B2 (en) | 2012-05-07 | 2016-03-08 | Ece | Method for protecting an electrical energy distribution box |
Also Published As
Publication number | Publication date |
---|---|
NL7502359A (nl) | 1975-08-29 |
NL183001C (nl) | 1988-06-16 |
DE2413399A1 (de) | 1975-09-04 |
DE2413399C2 (nl) | 1989-04-20 |
SE407316B (sv) | 1979-03-19 |
ATA139875A (de) | 1977-04-15 |
DK68075A (nl) | 1975-10-27 |
IT1033141B (it) | 1979-07-10 |
AU7847975A (en) | 1976-08-26 |
SE7501981L (nl) | 1975-08-29 |
AT346960B (de) | 1978-12-11 |
BE825874A (fr) | 1975-06-16 |
NL183001B (nl) | 1988-01-18 |
CH577762A5 (nl) | 1976-07-15 |
ES435029A1 (es) | 1976-12-16 |
FR2262428B1 (nl) | 1982-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |