GB2290889B - Current limitation in a switched-mode power supply of flyback type - Google Patents

Current limitation in a switched-mode power supply of flyback type

Info

Publication number
GB2290889B
GB2290889B GB9518863A GB9518863A GB2290889B GB 2290889 B GB2290889 B GB 2290889B GB 9518863 A GB9518863 A GB 9518863A GB 9518863 A GB9518863 A GB 9518863A GB 2290889 B GB2290889 B GB 2290889B
Authority
GB
United Kingdom
Prior art keywords
switched
power supply
mode power
current limitation
flyback type
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.)
Expired - Fee Related
Application number
GB9518863A
Other versions
GB9518863D0 (en
GB2290889A (en
Inventor
Goesta Baarman
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.)
Nokia Oyj
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
Publication of GB9518863D0 publication Critical patent/GB9518863D0/en
Publication of GB2290889A publication Critical patent/GB2290889A/en
Application granted granted Critical
Publication of GB2290889B publication Critical patent/GB2290889B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
    • H02H7/1227—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to abnormalities in the output circuit, e.g. short circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
GB9518863A 1993-03-15 1994-03-11 Current limitation in a switched-mode power supply of flyback type Expired - Fee Related GB2290889B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI931137A FI92892C (en) 1993-03-15 1993-03-15 Method for limiting the output current of a flyback type switch mode power supply in overload situations and a flyback type switch mode power supply
PCT/FI1994/000090 WO1994022207A1 (en) 1993-03-15 1994-03-11 A method for limiting the output current of a switched-mode power supply of flyback type in overload situations, and a switched-mode power supply of flyback type

Publications (3)

Publication Number Publication Date
GB9518863D0 GB9518863D0 (en) 1995-11-22
GB2290889A GB2290889A (en) 1996-01-10
GB2290889B true GB2290889B (en) 1996-07-17

Family

ID=8537548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9518863A Expired - Fee Related GB2290889B (en) 1993-03-15 1994-03-11 Current limitation in a switched-mode power supply of flyback type

Country Status (6)

Country Link
AU (1) AU6209294A (en)
DE (1) DE4491577T1 (en)
FI (1) FI92892C (en)
GB (1) GB2290889B (en)
SE (1) SE511444C2 (en)
WO (1) WO1994022207A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406319B (en) * 1995-10-24 2000-04-25 Siemens Ag Oesterreich LOCK CONVERTER
US20040155639A1 (en) * 2001-06-29 2004-08-12 Mobers Antonius Maria Gerardus Current mode controlled switched mode power supply
CN1452308A (en) * 2002-04-18 2003-10-29 姜涛 Environment protection switch power supply
US7304870B2 (en) * 2002-11-07 2007-12-04 Nxp B.V. Power converter
AT506273B1 (en) 2007-12-20 2012-03-15 Siemens Ag METHOD FOR OPERATING A SWITCHING TRANSFORMER

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425611A (en) * 1981-10-16 1984-01-10 Rca Corporation Switching voltage regulators with output voltages indirectly regulated respective to directly regulated boosted input voltages
US4908755A (en) * 1988-03-25 1990-03-13 Siemens Aktiengesellschaft Method and circuit for limiting the output current of a flyback converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425611A (en) * 1981-10-16 1984-01-10 Rca Corporation Switching voltage regulators with output voltages indirectly regulated respective to directly regulated boosted input voltages
US4908755A (en) * 1988-03-25 1990-03-13 Siemens Aktiengesellschaft Method and circuit for limiting the output current of a flyback converter

Also Published As

Publication number Publication date
SE9503099L (en) 1995-09-08
SE9503099D0 (en) 1995-09-09
GB9518863D0 (en) 1995-11-22
DE4491577T1 (en) 1996-02-22
AU6209294A (en) 1994-10-11
FI92892C (en) 1995-01-10
FI92892B (en) 1994-09-30
WO1994022207A1 (en) 1994-09-29
SE511444C2 (en) 1999-10-04
FI931137A0 (en) 1993-03-15
GB2290889A (en) 1996-01-10

Similar Documents

Publication Publication Date Title
GB9204166D0 (en) A power supply and a boost converter therefor
GB9423866D0 (en) Dissipation case for a power supplier of direct current
GB9121796D0 (en) Switching mode power supplies
HK1022791A1 (en) A switched-mode power supply control circuit
EP0764297A4 (en) High-efficiency power supply
EP0605057A3 (en) Switched-mode supply circuit and control circuit for use in such a power supply circuit.
GB2318889B (en) Switched-mode power supply with B control
SG46350A1 (en) Switching power supply
HK162495A (en) Switched-mode power supply circuit
SG46703A1 (en) Freely oscillating switched-mode power supply
GB9317893D0 (en) Power supply management
AU5171096A (en) Switched-mode power supply with synchronous preconverter
ZA921528B (en) A low-voltage dc power supply
GB2290889B (en) Current limitation in a switched-mode power supply of flyback type
GB2284085B (en) Power supply with single DC/DC converter selectively outputting a plurality of voltage levels
GB9725312D0 (en) A power transformer
GB2297397B (en) Flyback-type switched-mode power supply
GB9307458D0 (en) Voltage regulation in a generator
GB9606136D0 (en) Method and switching arrangement for starting a power supply
EP0443246A3 (en) Switch-mode power supply
GB9315210D0 (en) Power supply
GB9205995D0 (en) A power supply
GB2298500B (en) Switched-mode power supply
ZA9810873B (en) A power transformer/reactor
GB9111508D0 (en) Switching power supply transformer

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110311