IT1237156B - Dispositivo elettronico di sicurezza per collegamenti a prese di terra - Google Patents
Dispositivo elettronico di sicurezza per collegamenti a prese di terraInfo
- Publication number
- IT1237156B IT1237156B IT02283089A IT2283089A IT1237156B IT 1237156 B IT1237156 B IT 1237156B IT 02283089 A IT02283089 A IT 02283089A IT 2283089 A IT2283089 A IT 2283089A IT 1237156 B IT1237156 B IT 1237156B
- Authority
- IT
- Italy
- Prior art keywords
- safety device
- ground connections
- electronic safety
- electronic
- connections
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
- H02H5/105—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection responsive to deterioration or interruption of earth connection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
- H02H1/003—Fault detection by injection of an auxiliary voltage
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT02283089A IT1237156B (it) | 1989-12-22 | 1989-12-22 | Dispositivo elettronico di sicurezza per collegamenti a prese di terra |
EP90203456A EP0435405A1 (en) | 1989-12-22 | 1990-12-20 | Electronic safety device for connections to earth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT02283089A IT1237156B (it) | 1989-12-22 | 1989-12-22 | Dispositivo elettronico di sicurezza per collegamenti a prese di terra |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8922830A0 IT8922830A0 (it) | 1989-12-22 |
IT1237156B true IT1237156B (it) | 1993-05-24 |
Family
ID=11200942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02283089A IT1237156B (it) | 1989-12-22 | 1989-12-22 | Dispositivo elettronico di sicurezza per collegamenti a prese di terra |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0435405A1 (it) |
IT (1) | IT1237156B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936773A1 (en) * | 2006-12-22 | 2008-06-25 | Abb Research Ltd. | System and method to detect a forgotten safety ground of an electrical facility |
FR2978556B1 (fr) * | 2011-07-29 | 2014-03-07 | Schneider Electric Ind Sas | Dispositif de surveillance d'un conducteur de terre avec mesure de l'impedance |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4153923A (en) * | 1977-02-15 | 1979-05-08 | Graf Robert G | Ground monitoring system and method |
US4368498A (en) * | 1979-03-20 | 1983-01-11 | Harvey Hubbell Incorporated | Ground conductor monitoring system |
-
1989
- 1989-12-22 IT IT02283089A patent/IT1237156B/it active IP Right Grant
-
1990
- 1990-12-20 EP EP90203456A patent/EP0435405A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0435405A1 (en) | 1991-07-03 |
IT8922830A0 (it) | 1989-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19951220 |