BE468877A - - Google Patents
Info
- Publication number
- BE468877A BE468877A BE468877DA BE468877A BE 468877 A BE468877 A BE 468877A BE 468877D A BE468877D A BE 468877DA BE 468877 A BE468877 A BE 468877A
- 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
- H02H3/26—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT934917X | 1945-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE468877A true BE468877A (en:Method) |
Family
ID=11331995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468877D BE468877A (en:Method) | 1945-11-07 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE468877A (en:Method) |
| FR (1) | FR934917A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347542A (en) * | 1981-03-20 | 1982-08-31 | Westinghouse Electric Corp. | Ratio ground relay |
-
0
- BE BE468877D patent/BE468877A/xx unknown
-
1946
- 1946-10-17 FR FR934917D patent/FR934917A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR934917A (fr) | 1948-06-04 |