FI94687C - Chopperströmkälla av flyback-typ - Google Patents

Chopperströmkälla av flyback-typ Download PDF

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Publication number
FI94687C
FI94687C FI934159A FI934159A FI94687C FI 94687 C FI94687 C FI 94687C FI 934159 A FI934159 A FI 934159A FI 934159 A FI934159 A FI 934159A FI 94687 C FI94687 C FI 94687C
Authority
FI
Finland
Prior art keywords
switch
power supply
primary
control circuit
voltage
Prior art date
Application number
FI934159A
Other languages
English (en)
Finnish (fi)
Other versions
FI94687B (sv
FI934159A (sv
FI934159A0 (sv
Inventor
Matti Havukainen
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI934159A priority Critical patent/FI94687C/sv
Publication of FI934159A0 publication Critical patent/FI934159A0/sv
Priority to DE4497068T priority patent/DE4497068T1/de
Priority to AU76992/94A priority patent/AU7699294A/en
Priority to PCT/FI1994/000421 priority patent/WO1995008863A1/en
Priority to GB9606131A priority patent/GB2297397B/en
Publication of FI934159A publication Critical patent/FI934159A/sv
Publication of FI94687B publication Critical patent/FI94687B/sv
Application granted granted Critical
Publication of FI94687C publication Critical patent/FI94687C/sv
Priority to SE9601086A priority patent/SE511096C2/sv

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
    • H02M3/33569—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 having several active switching elements
    • H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
    • H02M3/33584—Bidirectional converters
    • 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
    • H02M3/33561—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 having more than one ouput with independent 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only

Landscapes

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

Claims (4)

1. Chopperströmkälla av flyback-typ i kontinuerligt tillständ, vilken omfattar 5. en med primär- och sekundärspolar (A, B, C) för- sedd transformator (10), genom vilken effekt överförs frän primären till sekundären, - en första koppling (SW1) i primärkretsen, med vilken primärström som genomgär transformatorns primärspo- 10 le (A) avbryts, - en reglerkrets (13) som styr nämnda första koppling och reglerar effektkällans utspänning med hjälp av pulsbreddsmodulation genom att reglera det inbördes för-hällandet mellan ON- och OFF-periodernas längder i kopp- 15 lingen (SW1), och - en i sekundären anordnad likriktarkoppling (SW2), som kopplas icke-ledande i energiladdningsskedet, dä ener-gi laddas i transformatorn, och ledande i energiurladd-ningsskedet, dä energi urladdas frän primären tili sekun- 20 dären, kännetecknad av att reglerkretsens utsignal (Up), som styr nämnda första koppling, är via ett inverterarorgan (14) funktionellt kopplad tili likriktar-kopplingens (SW2) styrsignal (Ut) i avsikt att turvis koppia likriktarkopplingen tili ledande och icke-ledande 25 tillständ.
. 2. Chopperströmkälla enligt patentkrav 1, kän netecknad av att den dessutom omfattar organ för förkortning av pulserna i reglerkretsens utsignal (Up) innan de kopplas tili likriktarkopplingen (SW2).
3. Chopperströmkälla enligt patentkrav 2, kän netecknad av att nämnda förkortningsorgan ingär *: i nämnda inverterarorgan (14).
4. Chopperströmkälla enligt patentkrav 1, kännetecknad av att en diod (Dl) har kopplats paral- 35 lell med den av likriktarkopplingen (SW2) bildade ström- vägen. Il
FI934159A 1993-09-22 1993-09-22 Chopperströmkälla av flyback-typ FI94687C (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI934159A FI94687C (sv) 1993-09-22 1993-09-22 Chopperströmkälla av flyback-typ
DE4497068T DE4497068T1 (de) 1993-09-22 1994-09-21 Nach dem Flyback-Prinzip arbeitendes Schaltnetzteil
AU76992/94A AU7699294A (en) 1993-09-22 1994-09-21 Flyback-type switched-mode power supply
PCT/FI1994/000421 WO1995008863A1 (en) 1993-09-22 1994-09-21 Flyback-type switched-mode power supply
GB9606131A GB2297397B (en) 1993-09-22 1994-09-21 Flyback-type switched-mode power supply
SE9601086A SE511096C2 (sv) 1993-09-22 1996-03-21 Chopperströmkälla av flyback-typ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI934159A FI94687C (sv) 1993-09-22 1993-09-22 Chopperströmkälla av flyback-typ
FI934159 1993-09-22

Publications (4)

Publication Number Publication Date
FI934159A0 FI934159A0 (sv) 1993-09-22
FI934159A FI934159A (sv) 1995-03-23
FI94687B FI94687B (sv) 1995-06-30
FI94687C true FI94687C (sv) 1995-10-10

Family

ID=8538640

Family Applications (1)

Application Number Title Priority Date Filing Date
FI934159A FI94687C (sv) 1993-09-22 1993-09-22 Chopperströmkälla av flyback-typ

Country Status (6)

Country Link
AU (1) AU7699294A (sv)
DE (1) DE4497068T1 (sv)
FI (1) FI94687C (sv)
GB (1) GB2297397B (sv)
SE (1) SE511096C2 (sv)
WO (1) WO1995008863A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1262808A (zh) * 1998-02-03 2000-08-09 皇家菲利浦电子有限公司 具有同步整流的开关电压转换器
US6373722B1 (en) * 2000-06-05 2002-04-16 International Business Machines Corporation Power supply system for providing an auxiliary output voltage
JP7166843B2 (ja) * 2018-08-28 2022-11-08 キヤノン株式会社 電源装置及び画像形成装置
FR3124904B1 (fr) * 2021-07-02 2024-08-23 Safran Electrical & Power Convertisseur de puissance du type DC-DC et procédé d’utilisation d’un tel convertisseur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870555A (en) * 1988-10-14 1989-09-26 Compaq Computer Corporation High-efficiency DC-to-DC power supply with synchronous rectification
DE3920235A1 (de) * 1989-06-21 1991-01-03 Thomson Brandt Gmbh Schaltnetzteil
JPH0734653B2 (ja) * 1989-09-05 1995-04-12 九州大学長 電源装置
US5237606A (en) * 1991-05-01 1993-08-17 Charles Industries, Ltd. Enhanced synchronous rectifier

Also Published As

Publication number Publication date
FI94687B (sv) 1995-06-30
SE9601086D0 (sv) 1996-03-21
DE4497068T1 (de) 1996-10-31
AU7699294A (en) 1995-04-10
GB9606131D0 (en) 1996-05-22
SE511096C2 (sv) 1999-08-02
GB2297397B (en) 1997-03-26
GB2297397A (en) 1996-07-31
WO1995008863A1 (en) 1995-03-30
SE9601086L (sv) 1996-04-22
FI934159A (sv) 1995-03-23
FI934159A0 (sv) 1993-09-22

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