ZA791625B - Earth fault current protection device - Google Patents

Earth fault current protection device

Info

Publication number
ZA791625B
ZA791625B ZA791625A ZA791625A ZA791625B ZA 791625 B ZA791625 B ZA 791625B ZA 791625 A ZA791625 A ZA 791625A ZA 791625 A ZA791625 A ZA 791625A ZA 791625 B ZA791625 B ZA 791625B
Authority
ZA
South Africa
Prior art keywords
protection device
fault current
current protection
earth fault
earth
Prior art date
Application number
ZA791625A
Other languages
English (en)
Inventor
E Roux
R Thuillier
Original Assignee
Dappareillage Electr Saparel S
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 Dappareillage Electr Saparel S filed Critical Dappareillage Electr Saparel S
Publication of ZA791625B publication Critical patent/ZA791625B/xx

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)
ZA791625A 1978-04-07 1979-04-05 Earth fault current protection device ZA791625B (en)

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
ZA791625B true ZA791625B (en) 1980-06-25

Family

ID=9206878

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA791625A ZA791625B (en) 1978-04-07 1979-04-05 Earth fault current protection device

Country Status (9)

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

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 (fr) * 1970-03-13 1971-12-03 Saparel
FR2087452A5 (fr) * 1970-05-20 1971-12-31 Seine Ind Electr
CH532855A (de) * 1970-07-23 1973-01-15 Siemens Ag Fehlerstromschutzschalteinrichtung
FR2191319B1 (fr) * 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
ES479391A1 (es) 1980-01-01
GB2018534A (en) 1979-10-17
IT7967706A0 (it) 1979-04-04
PT69436A (fr) 1979-05-01
IT1119057B (it) 1986-03-03
FR2422276B1 (fr) 1980-09-05
DE2913096C2 (fr) 1989-07-27
AR218368A1 (es) 1980-05-30
FR2422276A1 (fr) 1979-11-02
DE2913096A1 (de) 1979-10-18

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