ES479391A1 - Perfeccionamientos en dispositivos de proteccion diferencial de una instalacion electrica contra corriente de defecto a tierra. - Google Patents
Perfeccionamientos en dispositivos de proteccion diferencial de una instalacion electrica contra corriente de defecto a tierra.Info
- Publication number
- ES479391A1 ES479391A1 ES479391A ES479391A ES479391A1 ES 479391 A1 ES479391 A1 ES 479391A1 ES 479391 A ES479391 A ES 479391A ES 479391 A ES479391 A ES 479391A ES 479391 A1 ES479391 A1 ES 479391A1
- Authority
- ES
- Spain
- Prior art keywords
- protection device
- fault current
- current protection
- earth fault
- transformer
- 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
- H02H3/332—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 responsive to DC component in the fault current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Transformers (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7810478A FR2422276A1 (fr) | 1978-04-07 | 1978-04-07 | Dispositif de protection contre les courants de defaut a la terre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES479391A1 true ES479391A1 (es) | 1980-01-01 |
Family
ID=9206878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES479391A Expired ES479391A1 (es) | 1978-04-07 | 1979-04-06 | Perfeccionamientos en dispositivos de proteccion diferencial de una instalacion electrica contra corriente de defecto a tierra. |
Country Status (9)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2481851A1 (fr) * | 1980-04-30 | 1981-11-06 | Merlin Gerin | Dispositif de protection differentielle sensible a un courant unidirectionnel |
| DE19702371A1 (de) * | 1997-01-23 | 1998-07-30 | Siemens Ag | Fehlerstromschutzeinrichtung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3525019A (en) * | 1967-07-20 | 1970-08-18 | John Lansch | Power protection apparatus |
| FR2081177A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-03-13 | 1971-12-03 | Saparel | |
| FR2087452A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-05-20 | 1971-12-31 | Seine Ind Electr | |
| CH532855A (de) * | 1970-07-23 | 1973-01-15 | Siemens Ag | Fehlerstromschutzschalteinrichtung |
| FR2191319B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-06-29 | 1976-03-12 | Radiotechnique Compelec | |
| DE2611674A1 (de) * | 1976-03-19 | 1977-09-22 | Guenter Reichensperger | Schutzschalter |
-
1978
- 1978-04-07 FR FR7810478A patent/FR2422276A1/fr active Granted
-
1979
- 1979-03-19 GB GB7909534A patent/GB2018534A/en not_active Withdrawn
- 1979-03-28 AR AR275971A patent/AR218368A1/es active
- 1979-04-02 DE DE19792913096 patent/DE2913096A1/de active Granted
- 1979-04-03 BR BR7902016A patent/BR7902016A/pt unknown
- 1979-04-04 PT PT69436A patent/PT69436A/pt unknown
- 1979-04-04 IT IT67706/79A patent/IT1119057B/it active
- 1979-04-05 ZA ZA791625A patent/ZA791625B/xx unknown
- 1979-04-06 ES ES479391A patent/ES479391A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA791625B (en) | 1980-06-25 |
| BR7902016A (pt) | 1979-11-27 |
| IT1119057B (it) | 1986-03-03 |
| IT7967706A0 (it) | 1979-04-04 |
| FR2422276B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-09-05 |
| PT69436A (fr) | 1979-05-01 |
| DE2913096C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-07-27 |
| FR2422276A1 (fr) | 1979-11-02 |
| DE2913096A1 (de) | 1979-10-18 |
| GB2018534A (en) | 1979-10-17 |
| AR218368A1 (es) | 1980-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3369615D1 (en) | Differential voltage amplifier | |
| FR2648565B1 (fr) | Circuit d'entree pour compteur d'energie electrique | |
| DE3167309D1 (en) | Earth leakage current breaker | |
| GB2082408B (en) | Earth leakage circuit-breaker | |
| ES479391A1 (es) | Perfeccionamientos en dispositivos de proteccion diferencial de una instalacion electrica contra corriente de defecto a tierra. | |
| JPS5510300A (en) | Voltage difference limiter circuit for differential amplifier | |
| ATE26631T1 (de) | Fehlerstromschutzschalter. | |
| JPS5425145A (en) | Detection circuit for unbalanced dc voltage of output amplifier on two-power- supply system | |
| AU5796480A (en) | Negative current feedback amplifier | |
| SU957744A1 (ru) | Трансформаторный плазмотрон | |
| JPS563932A (en) | Leakage current breaker | |
| JPS53142637A (en) | Protective relaying system for transformer | |
| JPS54129333A (en) | Alternating current direct current duplicating application | |
| JPS526062A (en) | Protection device for high frequency electric power amplifier | |
| JPS5338380A (en) | Peak detecting circuit | |
| JPS563933A (en) | Leakage current breaker | |
| JPS5438539A (en) | Overvoltage protector for ct | |
| JPS5434042A (en) | Protective relay device | |
| GB2036476B (en) | Earth leakage circuit breakers | |
| JPS531401A (en) | Device for eliminating leakage of grounding current | |
| ATE27748T1 (de) | Fehlerstromschutzschalter. | |
| JPS55113362A (en) | Bias voltage generator for monolithic integrated circuit | |
| JPS5393343A (en) | Protective relay | |
| JPS5274846A (en) | Protective system for system | |
| JPS5362145A (en) | Protective relaying equipment |