FR2448820A1 - CUT-OUT POWER SUPPLY THAT CAN DELIVER IMPORTANT POWER AT START-UP - Google Patents

CUT-OUT POWER SUPPLY THAT CAN DELIVER IMPORTANT POWER AT START-UP

Info

Publication number
FR2448820A1
FR2448820A1 FR7903222A FR7903222A FR2448820A1 FR 2448820 A1 FR2448820 A1 FR 2448820A1 FR 7903222 A FR7903222 A FR 7903222A FR 7903222 A FR7903222 A FR 7903222A FR 2448820 A1 FR2448820 A1 FR 2448820A1
Authority
FR
France
Prior art keywords
voltage
power supply
cut
power
load
Prior art date
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.)
Granted
Application number
FR7903222A
Other languages
French (fr)
Other versions
FR2448820B1 (en
Inventor
Philippe Lauret
Gerard Rilly
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt SA
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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Priority to FR7903222A priority Critical patent/FR2448820A1/en
Priority to GB8003954A priority patent/GB2041669B/en
Priority to DE19803004740 priority patent/DE3004740A1/en
Publication of FR2448820A1 publication Critical patent/FR2448820A1/en
Application granted granted Critical
Publication of FR2448820B1 publication Critical patent/FR2448820B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Television Receiver Circuits (AREA)

Abstract

L'INVENTION CONCERNE LES ALIMENTATIONS A DECOUPAGE REGULEES QUI PERMETTENT D'ALIMENTER SOUS UNE TENSION CONTINUE CONSTANTE UNE CHARGE VARIABLE TELLE QU'UN RECEPTEUR DE TELEVISION. ELLE CONSISTE DANS UNE ALIMENTATION CONNUE A GENERER LA TENSION DE POLARISATION DE LA GACHETTE DU THYRISTOR DE BLOCAGE A PARTIR DES IMPULSIONS DE TENSION PROVENANT DE LA CHARGE DU TRANSFORMATEUR LORSQUE LE TRANSISTOR HACHEUR EST SATURE, AU LIEU DE GENERER CETTE TENSION DE POLARISATION A PARTIR DES IMPULSIONS DE TENSION PROVENANT DE LA DECHARGE DU TRANSFORMATEUR LORSQUE LE TRANSISTOR HACHEUR EST BLOQUE. ELLE PERMET DE REALISER DES ALIMENTATIONS REGULEES QUI PEUVENT DEMARRER SUR UNE CHARGE NOMINALE SANS DISJONCTER AU DEMARRAGE.THE INVENTION CONCERNS REGULATED SWITCHING POWER SUPPLIES WHICH ALLOW TO POWER A VARIABLE LOAD, SUCH AS A TELEVISION RECEIVER, UNDER A CONSTANT CONTINUOUS VOLTAGE. IT CONSISTS OF A POWER SUPPLY KNOWN TO GENERATE THE POLARIZATION VOLTAGE OF THE LOCKING THYRISTOR TRIGGER FROM THE VOLTAGE PULSES ARISING FROM THE TRANSFORMER LOAD WHEN THE CHICKER TRANSISTOR IS SATURATED, INSTEAD OF GENERATING THIS VOLTAGE PULSES. OF VOLTAGE FROM UNLOADING THE TRANSFORMER WHEN THE CHOPPER TRANSISTOR IS BLOCKED. IT ALLOWS REGULATED POWER SUPPLIES THAT CAN START ON A NOMINAL LOAD WITHOUT BREAKING UP ON START-UP.

FR7903222A 1979-02-08 1979-02-08 CUT-OUT POWER SUPPLY THAT CAN DELIVER IMPORTANT POWER AT START-UP Granted FR2448820A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7903222A FR2448820A1 (en) 1979-02-08 1979-02-08 CUT-OUT POWER SUPPLY THAT CAN DELIVER IMPORTANT POWER AT START-UP
GB8003954A GB2041669B (en) 1979-02-08 1980-02-06 Dc-ac-dc converter
DE19803004740 DE3004740A1 (en) 1979-02-08 1980-02-08 SWITCHING POWER SUPPLY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7903222A FR2448820A1 (en) 1979-02-08 1979-02-08 CUT-OUT POWER SUPPLY THAT CAN DELIVER IMPORTANT POWER AT START-UP

Publications (2)

Publication Number Publication Date
FR2448820A1 true FR2448820A1 (en) 1980-09-05
FR2448820B1 FR2448820B1 (en) 1984-04-20

Family

ID=9221740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903222A Granted FR2448820A1 (en) 1979-02-08 1979-02-08 CUT-OUT POWER SUPPLY THAT CAN DELIVER IMPORTANT POWER AT START-UP

Country Status (3)

Country Link
DE (1) DE3004740A1 (en)
FR (1) FR2448820A1 (en)
GB (1) GB2041669B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2555375B1 (en) * 1983-11-18 1986-02-21 Thomson Csf CONTINUOUS-CONTINUOUS CONVERTER WITH SWITCHED LOAD INDUCTANCE
DE3434320A1 (en) * 1984-09-19 1986-03-27 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Switched-mode power supply for an apparatus having a standby mode, especially for a television set

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345762A1 (en) * 1976-03-26 1977-10-21 Thomson Brandt Chopper circuit acting as DC converter - uses AC source and has frequency limitation and load regulation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345762A1 (en) * 1976-03-26 1977-10-21 Thomson Brandt Chopper circuit acting as DC converter - uses AC source and has frequency limitation and load regulation

Also Published As

Publication number Publication date
GB2041669B (en) 1982-12-01
GB2041669A (en) 1980-09-10
DE3004740A1 (en) 1980-08-21
FR2448820B1 (en) 1984-04-20

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Legal Events

Date Code Title Description
ST Notification of lapse