NL256426A - - Google Patents

Info

Publication number
NL256426A
NL256426A NL256426DA NL256426A NL 256426 A NL256426 A NL 256426A NL 256426D A NL256426D A NL 256426DA NL 256426 A NL256426 A NL 256426A
Authority
NL
Netherlands
Application number
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.)
Publication of NL256426A publication Critical patent/NL256426A/xx

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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/167—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 fault current to earth, frame or mass combined with other earth-fault protective arrangements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
NL256426D 1959-10-02 NL256426A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR806618A FR1246800A (fr) 1959-10-02 1959-10-02 Interrupteur de sécurité pour la protection contre les courants électriques de fuite

Publications (1)

Publication Number Publication Date
NL256426A true NL256426A (fr)

Family

ID=8719765

Family Applications (2)

Application Number Title Priority Date Filing Date
NL256426D NL256426A (fr) 1959-10-02
NL110540D NL110540C (fr) 1959-10-02

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL110540D NL110540C (fr) 1959-10-02

Country Status (8)

Country Link
US (1) US3214638A (fr)
BE (1) BE595274A (fr)
CH (1) CH366588A (fr)
DE (1) DE1140634B (fr)
ES (1) ES261758A1 (fr)
FR (1) FR1246800A (fr)
GB (1) GB962658A (fr)
NL (2) NL110540C (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280375A (en) * 1963-01-17 1966-10-18 Ite Circuit Breaker Ltd Tripping device
AT258340B (de) * 1963-05-31 1967-11-27 Benno Palatini Einrichtung zum elektrischen Beheizen flächenhafter Beläge
AT251631B (de) * 1963-09-16 1967-01-10 Herbert Dipl Ing Pferschy Vorrichtung zum Beheizen von Bodenflächen
US3376477A (en) * 1965-12-06 1968-04-02 Hubbell Inc Harvey Protective circuit
US3374398A (en) * 1966-01-07 1968-03-19 Sanders Associates Inc Magnetic circuit protective device
AT259054B (de) * 1966-01-25 1967-12-27 Uninorm Anstalt Fehlerstromschutzschalter mit zusätzlicher Überstromauslösung
US3407337A (en) * 1966-11-15 1968-10-22 Purex Corp Ltd Leak detector for swimming pool lights and the like
US3473091A (en) * 1967-04-14 1969-10-14 Hubbell Inc Harvey Ground leakage differential protective apparatus
US3506906A (en) * 1967-12-18 1970-04-14 Rucker Co Ground fault circuit interrupter with inadvertent ground sensor
US3753205A (en) * 1971-06-07 1973-08-14 Wiggins Inc E Coupler device for tubing ends providing mechanical and electrical connections therewith
US3864581A (en) * 1973-01-22 1975-02-04 Varahur Srinivas Satyanarayana Shock prevention device
FR2444359A1 (fr) * 1978-12-12 1980-07-11 Barthelemy Louis Procede et dispositif pour la protection des personnes contre une electrocution
DE2912196C2 (de) * 1979-03-28 1981-10-08 Lueder, Holger, Dr. phil., 8990 Lindau Einrichtung zur homogenen Strahlungsklimatisierung eines allseits umschlossenen Raumes, insbesondere Tepidariums
FR2454198A2 (fr) * 1979-04-09 1980-11-07 Osmond Max Alimentation electrique a securite perfectionnee
US4707759A (en) * 1985-02-27 1987-11-17 Bodkin Lawrence E Universal fault circuit interrupter
CN101573770A (zh) * 2006-05-12 2009-11-04 大人工河改造建造公司 电阿吉卜电安全装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1667655A (en) * 1924-10-03 1928-04-24 Reyrolle A & Co Ltd Controlling or tripping apparatus for alternating-current electric circuits
US1776130A (en) * 1927-10-19 1930-09-16 Gen Electric Protection of electric circuits
GB350751A (en) * 1930-07-01 1931-06-18 Paul Berger Improvements in protective cut-out devices for electrical installations
GB429503A (en) * 1933-11-23 1935-05-23 Reyrolle A & Co Ltd Improvements in or relating to earthing arrangements for electric apparatus
FR900437A (fr) * 1942-11-20 1945-06-28 Hermes Patentverwertungs Gmbh Protection contre les contacts pour appareils électriques
GB648207A (en) * 1948-12-16 1951-01-03 British Insulated Callenders Improvements in protective devices for electric circuits
DE1053639B (de) * 1956-08-13 1959-03-26 August Stuke Schaltungsanordnung zum Schutz elektrischer Anlagen

Also Published As

Publication number Publication date
US3214638A (en) 1965-10-26
NL110540C (fr)
DE1140634B (de) 1962-12-06
GB962658A (en) 1964-07-01
FR1246800A (fr) 1960-11-25
BE595274A (fr) 1961-01-16
CH366588A (fr) 1963-01-15
ES261758A1 (es) 1960-12-16

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