FR2461386B1 - - Google Patents
Info
- Publication number
- FR2461386B1 FR2461386B1 FR8014737A FR8014737A FR2461386B1 FR 2461386 B1 FR2461386 B1 FR 2461386B1 FR 8014737 A FR8014737 A FR 8014737A FR 8014737 A FR8014737 A FR 8014737A FR 2461386 B1 FR2461386 B1 FR 2461386B1
- Authority
- FR
- France
- 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
Classifications
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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
-
- 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
- H02H7/222—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 for switches
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792927304 DE2927304A1 (de) | 1979-07-06 | 1979-07-06 | Einrichtung zum abschalten elektrischer anlagen, vorzugsweise des bergund tunnelbaus, beim auftreten von fehlern in elektrischen, betriebsmaessig funken erzeugenden und daher in ein druckfestes gehaeuse eingesetzten betriebsmitteln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2461386A1 FR2461386A1 (fr) | 1981-01-30 |
| FR2461386B1 true FR2461386B1 (https=) | 1985-03-15 |
Family
ID=6075049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8014737A Granted FR2461386A1 (fr) | 1979-07-06 | 1980-07-02 | Dispositif de securite pour installation electrique, notamment dans une exploitation miniere ou un chantier de creusement de tunnel |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2927304A1 (https=) |
| FR (1) | FR2461386A1 (https=) |
| GB (1) | GB2053597B (https=) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1027297B (de) * | 1953-10-24 | 1958-04-03 | Licentia Gmbh | Strom- und stromrichtungsabhaengige Schutzanordnung fuer elektrische Anlagen |
| BE790970A (fr) * | 1971-11-17 | 1973-05-07 | Saparel | Prise de courant a protection differentielle |
| DE2734498A1 (de) * | 1977-07-30 | 1979-02-15 | Westfaelische Berggewerkschaft | Einrichtung zum abschalten elektrischer anlagen, vorzugsweise des berg- und tunnelbaus, beim auftreten von fehlern in elektrischen, betriebsmaessig funken erzeugenden und daher in ein druckfestes gehaeuse eingesetzten betriebsmitteln |
-
1979
- 1979-07-06 DE DE19792927304 patent/DE2927304A1/de active Granted
-
1980
- 1980-07-02 GB GB8021643A patent/GB2053597B/en not_active Expired
- 1980-07-02 FR FR8014737A patent/FR2461386A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2053597A (en) | 1981-02-04 |
| GB2053597B (en) | 1982-12-22 |
| DE2927304A1 (de) | 1981-01-29 |
| FR2461386A1 (fr) | 1981-01-30 |
| DE2927304C2 (https=) | 1989-01-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |