SE7904447L - Elektriskt felstromsskydd - Google Patents

Elektriskt felstromsskydd

Info

Publication number
SE7904447L
SE7904447L SE7904447A SE7904447A SE7904447L SE 7904447 L SE7904447 L SE 7904447L SE 7904447 A SE7904447 A SE 7904447A SE 7904447 A SE7904447 A SE 7904447A SE 7904447 L SE7904447 L SE 7904447L
Authority
SE
Sweden
Prior art keywords
electrical
fellow
circuit
current protection
breaker arrangement
Prior art date
Application number
SE7904447A
Other languages
English (en)
Swedish (sv)
Inventor
M A Moret
Original Assignee
Laprom Corp Nv
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 Laprom Corp Nv filed Critical Laprom Corp Nv
Publication of SE7904447L publication Critical patent/SE7904447L/

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
SE7904447A 1978-05-23 1979-05-22 Elektriskt felstromsskydd SE7904447L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH558878 1978-05-23

Publications (1)

Publication Number Publication Date
SE7904447L true SE7904447L (sv) 1979-11-24

Family

ID=4296096

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7904447A SE7904447L (sv) 1978-05-23 1979-05-22 Elektriskt felstromsskydd

Country Status (7)

Country Link
JP (1) JPS5523787A ( )
AU (1) AU4719479A ( )
DE (1) DE2920287A1 ( )
FR (1) FR2426973A1 ( )
GB (1) GB2021337B ( )
NL (1) NL7904040A ( )
SE (1) SE7904447L ( )

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338820A1 (de) * 1983-10-26 1985-05-15 Robert Krups Stiftung & Co KG, 5650 Solingen Elektrisches anschlussgeraet, wie steckdose, mit fehlerstromschalter fuer elektrische verbraucher
JPS60106404A (ja) * 1983-11-15 1985-06-11 松下電工株式会社 ヘア−カ−ル器
JPS60204655A (ja) * 1984-03-30 1985-10-16 ニチアス株式会社 ゾノトライト系成形材料
AT388625B (de) * 1987-11-19 1989-08-10 Bremel Hans Schutzeinrichtung fuer elektrische netzgeraete, insbesondere handgeraete
IL88704A (en) * 1988-12-16 1992-02-16 Solar Wide Ind Ltd Method and apparatus for protecting electrical systems
IT1231846B (it) * 1989-09-14 1992-01-14 Electrical Safety Company S R Sistema elettronico di sicurezza, antifolgorazione, per macchine ed impianti elettrici.
GB2296609B (en) * 1994-12-08 1998-10-28 Darren John Spreyer The double fuse spur
GB9507574D0 (en) * 1995-04-12 1995-05-31 Itt Ind Ltd Electrical connector
DE19818022A1 (de) * 1998-04-22 1999-10-28 Siemens Ag Versagerschutz für ein Schutzschaltgerät
US7936548B2 (en) * 2006-02-23 2011-05-03 Siemens Aktiengesellschaft Overcurrent switching apparatus
DE102019103621A1 (de) * 2019-02-14 2020-08-20 Doepke Schaltgeräte GmbH Vorrichtung zum Schutz gegen elektrischen Schlag oder zum Schutz bei Überstrom

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1053639B (de) * 1956-08-13 1959-03-26 August Stuke Schaltungsanordnung zum Schutz elektrischer Anlagen
BE627217A ( ) * 1962-01-26
FR1438209A (fr) * 1964-06-17 1966-05-13 Relais de sécurité à haute sensibilité différentielle avec action à distance sur un dispositif aval de protection
CH519782A (fr) * 1970-11-20 1972-02-29 Etem Ets De Tech Mod Disjoncteur différentiel
DE2360037A1 (de) * 1973-12-01 1975-06-12 Danfoss As Sicherheitsschaltung fuer ein elektrisches geraet
FR2294535A1 (fr) * 1974-12-10 1976-07-09 Lewiner Jacques Perfectionnements aux dispositifs de commande du genre des relais

Also Published As

Publication number Publication date
DE2920287A1 (de) 1979-11-29
GB2021337B (en) 1982-06-03
JPS5523787A (en) 1980-02-20
NL7904040A (nl) 1979-11-27
AU4719479A (en) 1979-11-29
GB2021337A (en) 1979-11-28
FR2426973A1 (fr) 1979-12-21

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