BE354776A - - Google Patents
Info
- Publication number
- BE354776A BE354776A BE354776DA BE354776A BE 354776 A BE354776 A BE 354776A BE 354776D A BE354776D A BE 354776DA BE 354776 A BE354776 A BE 354776A
- Authority
- BE
- Belgium
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
- H02H3/16—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 fault current to earth, frame or mass
- H02H3/162—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 fault current to earth, frame or mass for AC systems
- H02H3/165—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 fault current to earth, frame or mass for AC systems for three-phase systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1794686X | 1927-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE354776A true BE354776A (en:Method) |
Family
ID=7743598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE354776D BE354776A (en:Method) | 1927-10-07 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1794686A (en:Method) |
| BE (1) | BE354776A (en:Method) |
| FR (1) | FR661583A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2428563A (en) * | 1943-04-23 | 1947-10-07 | Westinghouse Electric Corp | Ground detector for electric power distribution systems |
| US2476958A (en) * | 1946-09-28 | 1949-07-26 | C O Two Fire Equipment Co | Smoke detector and signal |
-
0
- BE BE354776D patent/BE354776A/xx unknown
-
1928
- 1928-10-06 FR FR661583D patent/FR661583A/fr not_active Expired
- 1928-11-20 US US320584A patent/US1794686A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR661583A (fr) | 1929-07-26 |
| US1794686A (en) | 1931-03-03 |