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LU78075A1 - Fehlerstromschutzschalter - Google Patents

Fehlerstromschutzschalter

Info

Publication number
LU78075A1
LU78075A1 LU78075A LU78075A LU78075A1 LU 78075 A1 LU78075 A1 LU 78075A1 LU 78075 A LU78075 A LU 78075A LU 78075 A LU78075 A LU 78075A LU 78075 A1 LU78075 A1 LU 78075A1
Authority
LU
Luxembourg
Prior art keywords
circuit breaker
fault circuit
fault
breaker
circuit
Prior art date
Application number
LU78075A
Other languages
English (en)
Original Assignee
Gath N
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 Gath N filed Critical Gath N
Priority to LU78075A priority Critical patent/LU78075A1/de
Priority to BR7808685A priority patent/BR7808685A/pt
Priority to PCT/EP1978/000013 priority patent/WO1979000127A1/de
Priority to US06/141,082 priority patent/US4329668A/en
Priority to IT27138/78A priority patent/IT1098740B/it
Priority to JP10740878A priority patent/JPS5490583A/ja
Priority to EP78900105A priority patent/EP0006903A1/de
Publication of LU78075A1 publication Critical patent/LU78075A1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • 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)
  • Transformers For Measuring Instruments (AREA)
  • Breakers (AREA)
LU78075A 1977-09-02 1977-09-02 Fehlerstromschutzschalter LU78075A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
LU78075A LU78075A1 (de) 1977-09-02 1977-09-02 Fehlerstromschutzschalter
BR7808685A BR7808685A (pt) 1977-09-02 1978-08-28 Chave de protecao contra corrente falsa,que responde a correntes continuas falsas de ambas as polaridades
PCT/EP1978/000013 WO1979000127A1 (fr) 1977-09-02 1978-08-28 Interrupteur de protection a courant de defaut, reagissant aux courants de defaut continus des deux polarites
US06/141,082 US4329668A (en) 1977-09-02 1978-08-28 Leakage current circuit breaker responsive to direct-current leakage currents of both polarities
IT27138/78A IT1098740B (it) 1977-09-02 1978-08-30 Interruttore elettrico di protezione contro correnti di difetto,il quale risponde a correnti continue di difetto di ambedue le polarita
JP10740878A JPS5490583A (en) 1977-09-02 1978-09-01 Leak breaker
EP78900105A EP0006903A1 (de) 1977-09-02 1979-03-27 Fehlerstromschutzschalter, der auf Gleichstromfehlerströme beider Polarität anspricht

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU78075A LU78075A1 (de) 1977-09-02 1977-09-02 Fehlerstromschutzschalter

Publications (1)

Publication Number Publication Date
LU78075A1 true LU78075A1 (de) 1979-04-09

Family

ID=19728688

Family Applications (1)

Application Number Title Priority Date Filing Date
LU78075A LU78075A1 (de) 1977-09-02 1977-09-02 Fehlerstromschutzschalter

Country Status (6)

Country Link
US (1) US4329668A (de)
EP (1) EP0006903A1 (de)
JP (1) JPS5490583A (de)
IT (1) IT1098740B (de)
LU (1) LU78075A1 (de)
WO (1) WO1979000127A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU79817A1 (de) * 1978-06-15 1980-01-22 N Gath Fehlerstromschutzschalter
AT372549B (de) * 1980-04-16 1983-10-25 Felten & Guilleaume Ag Oester Fehlerstromschutzschalter ohne summenstromwandler
IT1226237B (it) * 1988-07-08 1990-12-27 Bassani Spa Attuatore elettromagnetico del tipo rele'
US6493937B1 (en) * 1998-03-16 2002-12-17 Hewlett-Packard Company Method of manufacture for ink-jet hard copy apparatus using a modular approach to ink-jet technology

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE870718C (de) * 1951-07-22 1953-03-16 Siemens Ag Synchronschalter
US2881287A (en) * 1958-03-04 1959-04-07 Ite Circuit Breaker Ltd Magnetic latch system for high speed circuit breakers
US3215799A (en) * 1961-05-02 1965-11-02 Ite Circuit Breaker Ltd Magnetic trip structure for high speed circuit breakers
CH406365A (de) * 1963-04-08 1966-01-31 Dresden Elektroschaltgeraete Auslöseeinrichtung für verklinkbare Schalter
JPS4325847B1 (de) * 1965-02-17 1968-11-07
DE2059054A1 (de) * 1970-12-01 1972-06-08 Siemens Ag Fehlerstromschutzschalter
US3757201A (en) * 1972-05-19 1973-09-04 L Cornwell Electric power controlling or regulating system
US4021729A (en) * 1975-12-03 1977-05-03 I-T-E Imperial Corporation Cross-field ground fault sensor

Also Published As

Publication number Publication date
IT7827138A0 (it) 1978-08-30
US4329668A (en) 1982-05-11
EP0006903A1 (de) 1980-01-23
WO1979000127A1 (fr) 1979-03-22
IT1098740B (it) 1985-09-07
JPS5490583A (en) 1979-07-18

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