NL7215645A - - Google Patents

Info

Publication number
NL7215645A
NL7215645A NL7215645A NL7215645A NL7215645A NL 7215645 A NL7215645 A NL 7215645A NL 7215645 A NL7215645 A NL 7215645A NL 7215645 A NL7215645 A NL 7215645A NL 7215645 A NL7215645 A NL 7215645A
Authority
NL
Netherlands
Application number
NL7215645A
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 NL7215645A publication Critical patent/NL7215645A/xx

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)
NL7215645A 1971-11-22 1972-11-17 NL7215645A (xx)

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
NL7215645A true NL7215645A (xx) 1973-05-24

Family

ID=25718935

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7215645A NL7215645A (xx) 1971-11-22 1972-11-17

Country Status (9)

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

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
DE2252440C3 (de) 1975-08-14
US3808455A (en) 1974-04-30
FR2160925B1 (xx) 1975-03-28
SE376324B (xx) 1975-05-12
DE2252440B2 (de) 1975-01-09
CH541227A (de) 1973-10-15
DE2252440A1 (de) 1973-05-30
FR2160925A1 (xx) 1973-07-06
JPS4863256A (xx) 1973-09-03
GB1378985A (en) 1975-01-02

Similar Documents

Publication Publication Date Title
FR2160925B1 (xx)
AU2658571A (xx)
AU2691671A (xx)
AU2742671A (xx)
AU2485671A (xx)
AU2564071A (xx)
AU2952271A (xx)
AU2684071A (xx)
AU2941471A (xx)
AU2940971A (xx)
AU2938071A (xx)
AU2473671A (xx)
AU2740271A (xx)
AU2726271A (xx)
AU2399971A (xx)
AU2724971A (xx)
AU2486471A (xx)
AU2927871A (xx)
AU2503871A (xx)
AU2684171A (xx)
AU2875571A (xx)
AU2577671A (xx)
AU2907471A (xx)
AU2588771A (xx)
AU2415871A (xx)

Legal Events

Date Code Title Description
BV The patent application has lapsed