NL7904040A - Foutstroom-beveiligingsinrichting. - Google Patents

Foutstroom-beveiligingsinrichting.

Info

Publication number
NL7904040A
NL7904040A NL7904040A NL7904040A NL7904040A NL 7904040 A NL7904040 A NL 7904040A NL 7904040 A NL7904040 A NL 7904040A NL 7904040 A NL7904040 A NL 7904040A NL 7904040 A NL7904040 A NL 7904040A
Authority
NL
Netherlands
Prior art keywords
protection device
fault current
current protection
fault
protection
Prior art date
Application number
NL7904040A
Other languages
English (en)
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 NL7904040A publication Critical patent/NL7904040A/nl

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)
NL7904040A 1978-05-23 1979-05-23 Foutstroom-beveiligingsinrichting. NL7904040A (nl)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7904040A true NL7904040A (nl) 1979-11-27

Family

ID=4296096

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7904040A NL7904040A (nl) 1978-05-23 1979-05-23 Foutstroom-beveiligingsinrichting.

Country Status (7)

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

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
JP4942771B2 (ja) * 2006-02-23 2012-05-30 シーメンス アクチエンゲゼルシヤフト 過電流開閉装置および橋絡装置
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 (nl) * 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
GB2021337A (en) 1979-11-28
JPS5523787A (en) 1980-02-20
AU4719479A (en) 1979-11-29
FR2426973A1 (fr) 1979-12-21
GB2021337B (en) 1982-06-03
SE7904447L (sv) 1979-11-24
DE2920287A1 (de) 1979-11-29

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Legal Events

Date Code Title Description
BV The patent application has lapsed