FR1438209A - High differential sensitivity safety relay with remote action on a downstream protection device - Google Patents
High differential sensitivity safety relay with remote action on a downstream protection deviceInfo
- Publication number
- FR1438209A FR1438209A FR4703A FR38004703A FR1438209A FR 1438209 A FR1438209 A FR 1438209A FR 4703 A FR4703 A FR 4703A FR 38004703 A FR38004703 A FR 38004703A FR 1438209 A FR1438209 A FR 1438209A
- Authority
- FR
- France
- Prior art keywords
- protection device
- safety relay
- high differential
- remote action
- differential sensitivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR4703A FR1438209A (en) | 1964-06-17 | 1964-06-17 | High differential sensitivity safety relay with remote action on a downstream protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR4703A FR1438209A (en) | 1964-06-17 | 1964-06-17 | High differential sensitivity safety relay with remote action on a downstream protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1438209A true FR1438209A (en) | 1966-05-13 |
Family
ID=1578698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR4703A Expired FR1438209A (en) | 1964-06-17 | 1964-06-17 | High differential sensitivity safety relay with remote action on a downstream protection device |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1438209A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426973A1 (en) * | 1978-05-23 | 1979-12-21 | Laprom Corp Nv | LEAKAGE CURRENT CIRCUIT BREAKER |
-
1964
- 1964-06-17 FR FR4703A patent/FR1438209A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426973A1 (en) * | 1978-05-23 | 1979-12-21 | Laprom Corp Nv | LEAKAGE CURRENT CIRCUIT BREAKER |
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