IT1314401B1 - Dispositivo di protezione a comando di apertura di sicurezza. - Google Patents
Dispositivo di protezione a comando di apertura di sicurezza.Info
- Publication number
- IT1314401B1 IT1314401B1 IT2000VR000036A ITVR20000036A IT1314401B1 IT 1314401 B1 IT1314401 B1 IT 1314401B1 IT 2000VR000036 A IT2000VR000036 A IT 2000VR000036A IT VR20000036 A ITVR20000036 A IT VR20000036A IT 1314401 B1 IT1314401 B1 IT 1314401B1
- Authority
- IT
- Italy
- Prior art keywords
- protection device
- opening protection
- safety opening
- safety
- protection
- Prior art date
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
- H02H3/24—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 undervoltage or no-voltage
- H02H3/247—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 undervoltage or no-voltage having timing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H2083/203—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition with shunt trip circuits, e.g. NC contact in an undervoltage coil circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
-
- 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
- H02H3/33—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 using summation current transformers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9905949A FR2793355B1 (fr) | 1999-05-06 | 1999-05-06 | Dispositif de protection a commande d'ouverture de securite |
Publications (3)
Publication Number | Publication Date |
---|---|
ITVR20000036A0 ITVR20000036A0 (it) | 2000-04-21 |
ITVR20000036A1 ITVR20000036A1 (it) | 2001-10-21 |
IT1314401B1 true IT1314401B1 (it) | 2002-12-13 |
Family
ID=9545424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2000VR000036A IT1314401B1 (it) | 1999-05-06 | 2000-04-21 | Dispositivo di protezione a comando di apertura di sicurezza. |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2793355B1 (it) |
IT (1) | IT1314401B1 (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2842020B1 (fr) * | 2002-07-03 | 2004-08-13 | Schneider Electric Ind Sas | Dispositif auxiliaire de commande d'ouverture d'un appareillage de coupure |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3302061A (en) * | 1964-08-31 | 1967-01-31 | Ite Circuit Breaker Ltd | Circuit breaker with undervoltage relay in series with motor control overload relay and plug-in base |
FR1540927A (fr) * | 1966-09-22 | 1968-10-04 | Accumulateurs Fixes | Dispositif d'alimentation temporisé utile en particulier pour l'alimentation de disjoncteurs |
US4060843A (en) * | 1974-10-21 | 1977-11-29 | Bost Charles H | Protection circuit for multiple phase power systems |
US4331996A (en) * | 1979-08-22 | 1982-05-25 | Westinghouse Electric Corp. | Time delayed undervoltage relay |
FR2586137B1 (fr) * | 1985-08-06 | 1987-12-11 | Merlin Gerin | Telecommande d'ouverture d'un dispositif de protection differentielle, notamment d'un disjoncteur differentiel de branchement |
-
1999
- 1999-05-06 FR FR9905949A patent/FR2793355B1/fr not_active Expired - Fee Related
-
2000
- 2000-04-21 IT IT2000VR000036A patent/IT1314401B1/it active
Also Published As
Publication number | Publication date |
---|---|
FR2793355B1 (fr) | 2001-06-15 |
ITVR20000036A0 (it) | 2000-04-21 |
ITVR20000036A1 (it) | 2001-10-21 |
FR2793355A1 (fr) | 2000-11-10 |
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