FR29855E - Dispositif de protection des installations électriques - Google Patents
Dispositif de protection des installations électriquesInfo
- Publication number
- FR29855E FR29855E FR29855DA FR29855E FR 29855 E FR29855 E FR 29855E FR 29855D A FR29855D A FR 29855DA FR 29855 E FR29855 E FR 29855E
- Authority
- FR
- France
- Prior art keywords
- protection device
- electrical installations
- installations
- electrical
- protection
- 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
- H02H3/353—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 involving comparison of phase voltages
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR29855T | 1924-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR29855E true FR29855E (fr) | 1925-11-10 |
Family
ID=8667813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR29855D Expired FR29855E (fr) | 1924-12-05 | 1924-12-05 | Dispositif de protection des installations électriques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR29855E (fr) |
-
1924
- 1924-12-05 FR FR29855D patent/FR29855E/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR599159A (fr) | Dispositif de fraisage de courbes | |
FR29855E (fr) | Dispositif de protection des installations électriques | |
FR609421A (fr) | Dispositif perfectionné pour la protection des bas | |
FR575412A (fr) | Dispositif de protection des installations électriques | |
FR577401A (fr) | Dispositif de protection pour chinennes | |
ES91784A2 (es) | Dispositivo de protección de instalaciones eléctricas. | |
FR635995A (fr) | Dispositif de protection des installations électriques | |
FR583708A (fr) | Dispositif de sûreté électrique | |
FR603249A (fr) | Dispositif de protection pour détonateurs électriques | |
FR584405A (fr) | Dispositif de protection des installations électriques contre les surtentions | |
FR611464A (fr) | Dispositif de sécurité pour installations électriques | |
FR623262A (fr) | Dispositif de protection pour détonateurs électriques | |
ES87530A1 (es) | Dispositivo de protección de instalaciones eléctricas. | |
FR584187A (fr) | Dispositif électrique de sécurité | |
FR619875A (fr) | Dispositif de sécurité pour accouplements électriques | |
FR637006A (fr) | Dispositif de protection pour installation de redresseur | |
FR627076A (fr) | Dispositif de protection des installations électriques, contre les surtensions | |
FR592658A (fr) | Dispositif de connection pour appareils électriques | |
FR596762A (fr) | Dispositif de chambre-cheminée | |
FR592294A (fr) | Dispositif de protection des yeux | |
FR642888A (fr) | Dispositif de protection de contacts électriques | |
CA241398A (fr) | Dispositif de protection electrique | |
FR27028E (fr) | Dispositif de protection | |
FR603364A (fr) | Dispositif de réclame perfectionné | |
FR28673E (fr) | Dispositif de perfectionnement des appareils de visée |