NL274863A - - Google Patents
Info
- Publication number
- NL274863A NL274863A NL274863DA NL274863A NL 274863 A NL274863 A NL 274863A NL 274863D A NL274863D A NL 274863DA NL 274863 A NL274863 A NL 274863A
- Authority
- NL
- Netherlands
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
- H02H3/334—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
- H02H3/335—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR887661A FR1318856A (en) | 1962-02-09 | 1962-02-09 | Automatic switch, more specifically fault current circuit breaker, fitted with a differential transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL274863A true NL274863A (en) |
Family
ID=8772444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL274863D NL274863A (en) | 1962-02-09 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1318856A (en) |
| NL (1) | NL274863A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2638909B1 (en) * | 1988-11-04 | 1995-03-31 | Merlin Gerin | DIFFERENTIAL TRIGGER WITH TEST CIRCUIT AND SELF-PROTECTED OPENING REMOTE CONTROL |
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0
- NL NL274863D patent/NL274863A/xx unknown
-
1962
- 1962-02-09 FR FR887661A patent/FR1318856A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1318856A (en) | 1963-02-22 |