ZA805948B - Circuit arrangement for an earth fault current circuit breaker - Google Patents

Circuit arrangement for an earth fault current circuit breaker

Info

Publication number
ZA805948B
ZA805948B ZA00805948A ZA805948A ZA805948B ZA 805948 B ZA805948 B ZA 805948B ZA 00805948 A ZA00805948 A ZA 00805948A ZA 805948 A ZA805948 A ZA 805948A ZA 805948 B ZA805948 B ZA 805948B
Authority
ZA
South Africa
Prior art keywords
circuit
fault current
current
earth fault
circuit breaker
Prior art date
Application number
ZA00805948A
Other languages
English (en)
Inventor
D Harr
R Westermayer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of ZA805948B publication Critical patent/ZA805948B/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)
  • Breakers (AREA)
  • Near-Field Transmission Systems (AREA)
ZA00805948A 1979-09-26 1980-09-25 Circuit arrangement for an earth fault current circuit breaker ZA805948B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792938971 DE2938971A1 (de) 1979-09-26 1979-09-26 Fehlerstromschutzschalter mit vormagnetisiertem kern

Publications (1)

Publication Number Publication Date
ZA805948B true ZA805948B (en) 1981-09-30

Family

ID=6081906

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00805948A ZA805948B (en) 1979-09-26 1980-09-25 Circuit arrangement for an earth fault current circuit breaker

Country Status (8)

Country Link
EP (1) EP0026357B1 (xx)
JP (1) JPS5698328A (xx)
AT (1) ATE3486T1 (xx)
DE (1) DE2938971A1 (xx)
DK (1) DK402880A (xx)
ES (1) ES8200510A1 (xx)
GR (1) GR70212B (xx)
ZA (1) ZA805948B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106960A1 (de) * 1981-02-25 1982-09-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "fehlerstromschutzschalter"
JP3021919U (ja) * 1995-04-05 1996-03-12 功 塩谷 ダブル式型手荷物用具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069782B (xx) * 1959-11-26
CH252903A (de) * 1949-12-20 1948-01-31 Oerlikon Maschf Erdschluss-Schutzeinrichtung.
US3376477A (en) * 1965-12-06 1968-04-02 Hubbell Inc Harvey Protective circuit
DE2043007A1 (de) * 1970-08-29 1972-03-02 Siemens Ag Fehlerstromschutzschalter
IT1088165B (it) * 1977-10-31 1985-06-10 Elettrocondutture Dispositivo di sicurezza per impianti elettrici, del tipo a trasformatore differenziale con sganciatore

Also Published As

Publication number Publication date
EP0026357B1 (de) 1983-05-18
GR70212B (xx) 1982-08-31
EP0026357A1 (de) 1981-04-08
JPS5698328A (en) 1981-08-07
DK402880A (da) 1981-03-27
DE2938971A1 (de) 1981-04-09
JPS6240924B2 (xx) 1987-08-31
ATE3486T1 (de) 1983-06-15
ES495334A0 (es) 1981-11-01
ES8200510A1 (es) 1981-11-01

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