BE627217A - - Google Patents
Info
- Publication number
- BE627217A BE627217A BE627217DA BE627217A BE 627217 A BE627217 A BE 627217A BE 627217D A BE627217D A BE 627217DA BE 627217 A BE627217 A BE 627217A
- 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
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/36—Relay coil or coils forming part of a bridge circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR885998A FR1320791A (en) | 1962-01-26 | 1962-01-26 | Improvements to differential safety relays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE627217A true BE627217A (en) |
Family
ID=8771289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE627217D BE627217A (en) | 1962-01-26 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE627217A (en) |
| FR (1) | FR1320791A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426973A1 (en) * | 1978-05-23 | 1979-12-21 | Laprom Corp Nv | LEAKAGE CURRENT CIRCUIT BREAKER |
| EP0311649B1 (en) * | 1987-01-30 | 1993-11-18 | Square D Company | Add-on ground fault module |
-
0
- BE BE627217D patent/BE627217A/xx unknown
-
1962
- 1962-01-26 FR FR885998A patent/FR1320791A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1320791A (en) | 1963-03-15 |