ZA712375B - An improvement in or relating to circuit breaker including improved current auctioneering circuit - Google Patents

An improvement in or relating to circuit breaker including improved current auctioneering circuit

Info

Publication number
ZA712375B
ZA712375B ZA712375A ZA712375A ZA712375B ZA 712375 B ZA712375 B ZA 712375B ZA 712375 A ZA712375 A ZA 712375A ZA 712375 A ZA712375 A ZA 712375A ZA 712375 B ZA712375 B ZA 712375B
Authority
ZA
South Africa
Prior art keywords
circuit
relating
improvement
including improved
auctioneering
Prior art date
Application number
ZA712375A
Other languages
English (en)
Inventor
J Engel
R Elms
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA712375B publication Critical patent/ZA712375B/xx

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
    • H02H3/083—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 for three-phase systems
    • 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
ZA712375A 1970-05-07 1971-04-14 An improvement in or relating to circuit breaker including improved current auctioneering circuit ZA712375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35517A US3689801A (en) 1970-05-07 1970-05-07 Circuit breaker including improved current auctioneering circuit

Publications (1)

Publication Number Publication Date
ZA712375B true ZA712375B (en) 1972-01-26

Family

ID=21883192

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA712375A ZA712375B (en) 1970-05-07 1971-04-14 An improvement in or relating to circuit breaker including improved current auctioneering circuit

Country Status (4)

Country Link
US (1) US3689801A (OSRAM)
JP (1) JPS466290A (OSRAM)
CA (1) CA921604A (OSRAM)
ZA (1) ZA712375B (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380633B (sv) * 1974-03-22 1975-11-10 Asea Ab Anordning for strommetning i stromriktare
US4104691A (en) * 1976-09-30 1978-08-01 Westinghouse Electric Corp. Circuit breaker apparatus including asymmetrical fault detector
US4131929A (en) * 1977-03-24 1978-12-26 Mcgraw-Edison Company Bridge circuits for sensing currents in a three-phase A.C. circuit
US4161761A (en) * 1977-09-06 1979-07-17 Mcgraw-Edison Company Proportional ground current relay
US4345292A (en) * 1978-07-10 1982-08-17 Eaton Corporation Minimum size, integral, A.C. overload current sensing, remote power controller
US4259706A (en) * 1978-10-06 1981-03-31 Gould Inc. Solid state relay
US4279007A (en) * 1979-07-12 1981-07-14 Westinghouse Electric Corp. Single-phase fault detecting circuit breaker
US4406984A (en) * 1980-02-07 1983-09-27 Southern California Edison Company Current responsive devices for synchronous generators
US4358810A (en) * 1981-01-21 1982-11-09 Westinghouse Electric Corp. Circuit breaker with alarm
US4571658A (en) * 1983-06-22 1986-02-18 S&C Electric Company Control circuit for a circuit interrupter
US4704546A (en) * 1986-07-31 1987-11-03 Westinghouse Electric Corp. Auctioneering circuit
US4870532A (en) * 1988-08-24 1989-09-26 Westinghouse Electric Corp. Electric circuit for operating trip circuit of a circuit breaker
US4876625A (en) * 1988-11-04 1989-10-24 Westinghouse Electric Corp. Composite circuit breaker system
FR2745432B1 (fr) * 1996-02-22 1998-08-07 Schneider Electric Sa Declencheur electronique comportant un dispositif d'alimentation
DE19835781C2 (de) * 1998-08-07 2002-10-24 Daimler Chrysler Ag Verfahren und Vorrichtung zur Auslösung einer Sicherung für elektrische Leiter in einem Kraftfahrzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608606A (en) * 1950-06-29 1952-08-26 Westinghouse Electric Corp Bus differential protection
GB1062154A (en) * 1962-09-14 1967-03-15 English Electric Co Ltd Polyphase protective relay circuits
CA855386A (en) * 1968-10-07 1970-11-03 Westinghouse Electric Corporation Overcurrent protective device

Also Published As

Publication number Publication date
US3689801A (en) 1972-09-05
CA921604A (en) 1973-02-20
JPS466290A (OSRAM) 1971-12-08

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