JPS57500313A - - Google Patents

Info

Publication number
JPS57500313A
JPS57500313A JP50064681A JP50064681A JPS57500313A JP S57500313 A JPS57500313 A JP S57500313A JP 50064681 A JP50064681 A JP 50064681A JP 50064681 A JP50064681 A JP 50064681A JP S57500313 A JPS57500313 A JP S57500313A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP50064681A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS57500313A publication Critical patent/JPS57500313A/ja
Pending legal-status Critical Current

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
    • H02H3/08—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 excess current
    • H02H3/093—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 excess current with timing means
    • H02H3/0935—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 excess current with timing means the timing being determined by numerical means
    • 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
    • H02H3/08—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 excess current
    • H02H3/10—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 excess current additionally responsive to some other abnormal electrical conditions
    • H02H3/105—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 excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
JP50064681A 1980-02-23 1981-02-23 Pending JPS57500313A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8006199 1980-02-23

Publications (1)

Publication Number Publication Date
JPS57500313A true JPS57500313A (de) 1982-02-18

Family

ID=10511631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50064681A Pending JPS57500313A (de) 1980-02-23 1981-02-23

Country Status (4)

Country Link
EP (1) EP0047749A1 (de)
JP (1) JPS57500313A (de)
DK (1) DK465381A (de)
WO (1) WO1981002496A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ196611A (en) * 1980-04-15 1985-07-31 Westinghouse Electric Corp Microprocessor control of interrupter trip functions
DE3137496C2 (de) * 1981-09-21 1990-01-25 Siemens AG, 1000 Berlin und 8000 München Digitaler Überstromauslöser
JPS58172927A (ja) * 1982-04-02 1983-10-11 株式会社日立製作所 過負荷保護装置
DE3311240A1 (de) * 1982-04-05 1983-10-13 Siemens-Allis, Inc., 30338 Atlanta, Ga. Ueberwachungsgeraet mit schaltvorrichtung
CA1193317A (en) * 1982-05-07 1985-09-10 Canadian General Electric Company Limited Thermal model for electrical apparatus
FR2578090B1 (fr) * 1985-02-25 1989-12-01 Merlin Gerin Disjoncteur a declencheur statique numerise a fonction de declenchement a temps inverse
FR2578112B1 (fr) * 1985-02-25 1988-03-18 Merlin Gerin Disjoncteur a declencheur statique a chaine de traitement numerique shunte par une chaine de traitement analogique
FR2578092B1 (fr) * 1985-02-25 1987-03-06 Merlin Gerin Disjoncteur a declencheur statique a echantillonnage et blocage a la derniere crete du signal
FR2578113B1 (fr) * 1985-02-25 1988-04-15 Merlin Gerin Declencheur statique numerique a fonctions optionnelles pour un disjoncteur electrique
EP0222688A3 (de) * 1985-11-08 1989-03-01 Siemens Aktiengesellschaft Einrichtung zur ferngesteuerten Veränderung von Auslösewerten eines Schaltgerätes und Verfahren zur Umrüstung eines Schaltgerätes
US4967304A (en) * 1988-10-11 1990-10-30 General Electric Company Digital circuit interrupter with electric motor trip parameters
FR2691302B1 (fr) * 1992-05-12 1997-04-04 Merlin Gerin Declencheur electronique comportant un dispositif de correction.
JPH1042452A (ja) * 1996-07-25 1998-02-13 Hitachi Ltd 回路遮断器
US6011416A (en) * 1997-02-19 2000-01-04 Harness System Technologies Research Ltd. Switch circuit having excess-current detection function
DE10244749B3 (de) * 2002-09-25 2004-04-08 Siemens Ag Schaltungsanordnung zur Begrenzung von Überspannungen bei Leistungshalbleiterbauelementen und Verfahren zur Steuerung eines Leistungshalbleiterbauelementes
WO2012056287A2 (en) * 2010-10-28 2012-05-03 Abb Technology Ltd A protection relay for sensitive earth fault prtection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017766A (en) * 1975-08-04 1977-04-12 Westinghouse Electric Corporation Inverse time-overcurrent relay using successive linear approximations
ES468764A1 (es) * 1978-04-13 1979-10-01 Arteche Instr Sistemas Ÿnueva proteccion electrica con tiempo de retardo dependien-te de una magnitud reguladaŸ
GB2020124B (en) * 1978-04-27 1982-08-25 Tokyo Shibaura Electric Co Overcurrent protection

Also Published As

Publication number Publication date
WO1981002496A1 (en) 1981-09-03
EP0047749A1 (de) 1982-03-24
DK465381A (da) 1981-10-21

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