JPS4863256A - - Google Patents

Info

Publication number
JPS4863256A
JPS4863256A JP47117666A JP11766672A JPS4863256A JP S4863256 A JPS4863256 A JP S4863256A JP 47117666 A JP47117666 A JP 47117666A JP 11766672 A JP11766672 A JP 11766672A JP S4863256 A JPS4863256 A JP S4863256A
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
JP47117666A
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 JPS4863256A publication Critical patent/JPS4863256A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H33/593—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for ensuring operation of the switch at a predetermined point of the ac cycle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/006—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means adapted for interrupting fault currents with delayed zero crossings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Keying Circuit Devices (AREA)
JP47117666A 1971-11-22 1972-11-22 Pending JPS4863256A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1704671 1971-11-22
US00307022A US3808455A (en) 1971-11-22 1972-11-16 Pretriggering apparatus for a synchronous circuit breaker

Publications (1)

Publication Number Publication Date
JPS4863256A true JPS4863256A (ja) 1973-09-03

Family

ID=25718935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47117666A Pending JPS4863256A (ja) 1971-11-22 1972-11-22

Country Status (9)

Country Link
US (1) US3808455A (ja)
JP (1) JPS4863256A (ja)
CA (1) CA984045A (ja)
CH (1) CH541227A (ja)
DE (1) DE2252440C3 (ja)
FR (1) FR2160925B1 (ja)
GB (1) GB1378985A (ja)
NL (1) NL7215645A (ja)
SE (1) SE376324B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU546304A3 (ru) * 1973-10-05 1977-02-05 Сименс Аг (Фирма) Устройство дл защиты вентилей преобразовател
US4306263A (en) * 1980-03-28 1981-12-15 Gould Inc. Synchronous closing system and latch therefor
CA1233583A (en) * 1985-06-18 1988-03-01 Francis Y. Hung Protection arrangement for a telephone subscriber line interface circuit
US4670810A (en) * 1986-03-17 1987-06-02 Electronic Instrument & Specialty Corp. Zero-current a.c. switching system
DE3812734A1 (de) * 1988-04-16 1989-10-26 Asea Brown Boveri Verfahren und einrichtung zur steuerung einer antriebseinrichtung eines mittel- oder hochspannungsschaltgeraetes
US5410193A (en) * 1992-10-02 1995-04-25 Eastman Kodak Company Apparatus and technique for connecting a source of zero crossing AC voltage to and disconnecting it from an AC load line
US5793594A (en) * 1995-12-21 1998-08-11 S&C Electric Company Predictive control circuit and method for circuit interrupter
EP3224953B1 (en) * 2014-11-30 2019-04-10 ABB Schweiz AG A method for estimating an electrical operating time of a circuit breaker using current feedback

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2293296A (en) * 1939-07-28 1942-08-18 Bbc Brown Boveri & Cie Arrangement for the sparkless interruption of currents
GB969915A (en) * 1961-07-18 1964-09-16 Central Electr Generat Board Improvements in or relating to electrical circuit-breakers
US3097314A (en) * 1961-07-24 1963-07-09 Ryan Aeronautical Co Alternating current silicon controlled rectifier switch
DE1158606B (de) * 1961-12-28 1963-12-05 Siemens Ag Betaetigungseinrichtung fuer Synchronschalter
US3378727A (en) * 1965-05-14 1968-04-16 Siemens Ag Circuit breaker for interrupting at zero current and automatically reclosing after unsuccessful interruption
US3555354A (en) * 1969-03-11 1971-01-12 Gen Electric Alternating current circuit breaker having a control for timing opening relative to the current wave
US3530303A (en) * 1969-04-01 1970-09-22 Ite Imperial Corp Current zero anticipating circuit
US3700923A (en) * 1969-12-22 1972-10-24 George E Platzer Jr Solid state relay arrangement

Also Published As

Publication number Publication date
CA984045A (en) 1976-02-17
NL7215645A (ja) 1973-05-24
DE2252440C3 (de) 1975-08-14
US3808455A (en) 1974-04-30
FR2160925B1 (ja) 1975-03-28
SE376324B (ja) 1975-05-12
DE2252440B2 (de) 1975-01-09
CH541227A (de) 1973-10-15
DE2252440A1 (de) 1973-05-30
FR2160925A1 (ja) 1973-07-06
GB1378985A (en) 1975-01-02

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