DE2913096C2 - - Google Patents

Info

Publication number
DE2913096C2
DE2913096C2 DE2913096A DE2913096A DE2913096C2 DE 2913096 C2 DE2913096 C2 DE 2913096C2 DE 2913096 A DE2913096 A DE 2913096A DE 2913096 A DE2913096 A DE 2913096A DE 2913096 C2 DE2913096 C2 DE 2913096C2
Authority
DE
Germany
Prior art keywords
relay
residual current
transistor
circuit
circuit breaker
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
Application number
DE2913096A
Other languages
German (de)
English (en)
Other versions
DE2913096A1 (de
Inventor
Edouard Le Roux
Rene Barentin Fr Thuillier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
D'appareillage Electrique Saparel Sa Saint Marcellin Isere Fr Ste
Original Assignee
D'appareillage Electrique Saparel Sa Saint Marcellin Isere Fr Ste
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by D'appareillage Electrique Saparel Sa Saint Marcellin Isere Fr Ste filed Critical D'appareillage Electrique Saparel Sa Saint Marcellin Isere Fr Ste
Publication of DE2913096A1 publication Critical patent/DE2913096A1/de
Application granted granted Critical
Publication of DE2913096C2 publication Critical patent/DE2913096C2/de
Granted legal-status Critical Current

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)
  • Thermistors And Varistors (AREA)
  • Protection Of Transformers (AREA)
DE19792913096 1978-04-07 1979-04-02 Differentielle schaltungsanordnung zur ueberwachung eines mehrphasensystems Granted DE2913096A1 (de)

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 (2)

Publication Number Publication Date
DE2913096A1 DE2913096A1 (de) 1979-10-18
DE2913096C2 true DE2913096C2 (it) 1989-07-27

Family

ID=9206878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792913096 Granted DE2913096A1 (de) 1978-04-07 1979-04-02 Differentielle schaltungsanordnung zur ueberwachung eines mehrphasensystems

Country Status (9)

Country Link
AR (1) AR218368A1 (it)
BR (1) BR7902016A (it)
DE (1) DE2913096A1 (it)
ES (1) ES479391A1 (it)
FR (1) FR2422276A1 (it)
GB (1) GB2018534A (it)
IT (1) IT1119057B (it)
PT (1) PT69436A (it)
ZA (1) ZA791625B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525019A (en) * 1967-07-20 1970-08-18 John Lansch Power protection apparatus
FR2081177A6 (it) * 1970-03-13 1971-12-03 Saparel
FR2087452A5 (it) * 1970-05-20 1971-12-31 Seine Ind Electr
CH532855A (de) * 1970-07-23 1973-01-15 Siemens Ag Fehlerstromschutzschalteinrichtung
FR2191319B1 (it) * 1972-06-29 1976-03-12 Radiotechnique Compelec
DE2611674A1 (de) * 1976-03-19 1977-09-22 Guenter Reichensperger Schutzschalter

Also Published As

Publication number Publication date
BR7902016A (pt) 1979-11-27
GB2018534A (en) 1979-10-17
DE2913096A1 (de) 1979-10-18
ES479391A1 (es) 1980-01-01
IT7967706A0 (it) 1979-04-04
ZA791625B (en) 1980-06-25
IT1119057B (it) 1986-03-03
FR2422276B1 (it) 1980-09-05
FR2422276A1 (fr) 1979-11-02
PT69436A (fr) 1979-05-01
AR218368A1 (es) 1980-05-30

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee