CH561499A5 - - Google Patents

Info

Publication number
CH561499A5
CH561499A5 CH550373A CH550373A CH561499A5 CH 561499 A5 CH561499 A5 CH 561499A5 CH 550373 A CH550373 A CH 550373A CH 550373 A CH550373 A CH 550373A CH 561499 A5 CH561499 A5 CH 561499A5
Authority
CH
Switzerland
Application number
CH550373A
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Publication of CH561499A5 publication Critical patent/CH561499A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/45—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
    • G05F1/455—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
    • H02M1/092—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices the control signals being transmitted optically
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/257—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M5/2573—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
CH550373A 1972-04-20 1973-04-17 CH561499A5 (lt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7205293A NL7205293A (lt) 1972-04-20 1972-04-20

Publications (1)

Publication Number Publication Date
CH561499A5 true CH561499A5 (lt) 1975-04-30

Family

ID=19815883

Family Applications (1)

Application Number Title Priority Date Filing Date
CH550373A CH561499A5 (lt) 1972-04-20 1973-04-17

Country Status (9)

Country Link
US (1) US3845350A (lt)
JP (1) JPS4917070A (lt)
BE (1) BE798428A (lt)
CH (1) CH561499A5 (lt)
DE (1) DE2318444A1 (lt)
ES (1) ES413892A1 (lt)
FR (1) FR2180963B3 (lt)
IT (1) IT983942B (lt)
NL (1) NL7205293A (lt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469028A (en) * 1978-03-20 1995-11-21 Nilssen; Ole K. Electronic ballast drawing sinusoidal line current
FR2425165B1 (fr) * 1978-05-03 1981-12-04 Renault Circuit d'adaptation automatique au " cos ph " machine d'un dephaseur de variation de puissance
US4197485A (en) * 1978-07-24 1980-04-08 Esquire, Inc. Optocoupler dimmer circuit for high intensity, gaseous discharge lamp
GB2062372B (en) * 1979-10-20 1984-05-10 Plessey Co Ltd Thyristor control circuits
US4287455A (en) * 1979-12-18 1981-09-01 Erin Engineering (Ontario) Ltd. Power saving circuit for gaseous discharge lamps
AU8929682A (en) * 1982-01-11 1983-07-21 Cornell-Dubilier Electronics Inc. Magnetic ballast with thyristor control
FR2527398A1 (fr) * 1982-05-18 1983-11-25 Gen Electric Procede et dispositif de commande du niveau de sortie d'une charge a niveau de sortie variable
JPS5978495A (ja) * 1982-10-27 1984-05-07 オリンパス光学工業株式会社 内視鏡用光源ランプ点灯回路
DE3524266A1 (de) * 1985-07-06 1987-01-08 Philips Patentverwaltung Schaltungsanordnung zum betrieb von hochdruckgasentladungslampen
US4628230A (en) * 1985-08-05 1986-12-09 Mole-Richardson Company Regulated light dimmer control
GB8520105D0 (en) * 1985-08-09 1985-09-18 Parker Graphics Ltd Electric control circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459943A (en) * 1967-02-06 1969-08-05 Gen Electric Silicon controlled rectifier gating circuits with a high frequency triggering voltage and photocells
US3733528A (en) * 1971-08-02 1973-05-15 Hunt Electronics Co Dimmer unit for a lighting control system
US3766409A (en) * 1971-08-04 1973-10-16 Westinghouse Electric Corp Ac power control apparatus with improved switch driver means

Also Published As

Publication number Publication date
FR2180963B3 (lt) 1976-04-09
JPS4917070A (lt) 1974-02-15
BE798428A (fr) 1973-10-18
NL7205293A (lt) 1973-10-23
ES413892A1 (es) 1976-01-16
US3845350A (en) 1974-10-29
FR2180963A1 (lt) 1973-11-30
DE2318444A1 (de) 1973-10-31
IT983942B (it) 1974-11-11

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Legal Events

Date Code Title Description
PL Patent ceased