FR943579A - Perfectionnements aux dispositifs de protection des lignes électriques - Google Patents
Perfectionnements aux dispositifs de protection des lignes électriquesInfo
- Publication number
- FR943579A FR943579A FR943579DA FR943579A FR 943579 A FR943579 A FR 943579A FR 943579D A FR943579D A FR 943579DA FR 943579 A FR943579 A FR 943579A
- Authority
- FR
- France
- Prior art keywords
- protection devices
- electrical line
- line protection
- electrical
- devices
- 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.)
- Expired
Links
Classifications
-
- 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
- H02H3/32—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/34—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
- H02H3/343—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using phase sequence analysers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR943579T | 1947-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR943579A true FR943579A (fr) | 1949-03-11 |
Family
ID=9471332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR943579D Expired FR943579A (fr) | 1947-03-26 | 1947-03-26 | Perfectionnements aux dispositifs de protection des lignes électriques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR943579A (fr) |
-
1947
- 1947-03-26 FR FR943579D patent/FR943579A/fr not_active Expired
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