JP2010075041A5 - - Google Patents

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Publication number
JP2010075041A5
JP2010075041A5 JP2009212738A JP2009212738A JP2010075041A5 JP 2010075041 A5 JP2010075041 A5 JP 2010075041A5 JP 2009212738 A JP2009212738 A JP 2009212738A JP 2009212738 A JP2009212738 A JP 2009212738A JP 2010075041 A5 JP2010075041 A5 JP 2010075041A5
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JP
Japan
Prior art keywords
voltage
switch
coupled
transformer
threshold
Prior art date
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Application number
JP2009212738A
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English (en)
Japanese (ja)
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JP5418899B2 (ja
JP2010075041A (ja
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Publication date
Priority claimed from US12/234,525 external-priority patent/US7859869B2/en
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Publication of JP2010075041A publication Critical patent/JP2010075041A/ja
Publication of JP2010075041A5 publication Critical patent/JP2010075041A5/ja
Application granted granted Critical
Publication of JP5418899B2 publication Critical patent/JP5418899B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2009212738A 2008-09-19 2009-09-15 電力コンバータでの使用のための制御回路および電力コンバータにおける変圧器の飽和を防止する方法 Expired - Fee Related JP5418899B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/234,525 US7859869B2 (en) 2008-09-19 2008-09-19 Forward converter transformer saturation prevention
US12/234,525 2008-09-19

Publications (3)

Publication Number Publication Date
JP2010075041A JP2010075041A (ja) 2010-04-02
JP2010075041A5 true JP2010075041A5 (enExample) 2012-10-11
JP5418899B2 JP5418899B2 (ja) 2014-02-19

Family

ID=41628805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009212738A Expired - Fee Related JP5418899B2 (ja) 2008-09-19 2009-09-15 電力コンバータでの使用のための制御回路および電力コンバータにおける変圧器の飽和を防止する方法

Country Status (4)

Country Link
US (5) US7859869B2 (enExample)
EP (1) EP2166653A3 (enExample)
JP (1) JP5418899B2 (enExample)
CN (2) CN101677212B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7859869B2 (en) * 2008-09-19 2010-12-28 Power Integrations, Inc. Forward converter transformer saturation prevention
US8693215B2 (en) * 2010-06-04 2014-04-08 Linear Technology Corporation DC/DC converter with magnetic flux density limits
EP2515426B1 (en) * 2011-04-20 2019-06-12 Nxp B.V. A switching circuit
US8963529B2 (en) * 2011-04-28 2015-02-24 Texas Instruments Incorporated Transition mode charge control for a power converter
US9148053B2 (en) * 2012-04-10 2015-09-29 Hypertherm, Inc. Flux saturation controller
CN103580487A (zh) * 2012-08-10 2014-02-12 通嘉科技股份有限公司 产生变压器的可变采样延迟时间的采样维持电路及其方法
US9401634B2 (en) * 2012-10-04 2016-07-26 Power Integrations, Inc. Saturation prevention in an energy transfer element of a power converter
US9036369B2 (en) * 2012-10-12 2015-05-19 Power Integrations, Inc. Programming of an integrated circuit on a multi-function terminal
US9379695B2 (en) * 2013-12-30 2016-06-28 Infineon Technologies Ag Circuit and method for operating a half-bridge
JP6672816B2 (ja) * 2016-01-15 2020-03-25 富士電機株式会社 スイッチ装置
US10554138B2 (en) * 2016-10-25 2020-02-04 Infineon Technologies Austria Ag Flux limited fast transient response in isolated DC-DC converters
US10439500B2 (en) 2017-02-01 2019-10-08 Infineon Technologies Austria Ag Control of isolated power converters during transient load conditions
US11031862B2 (en) * 2018-01-15 2021-06-08 Illinois Tool Works Inc. Systems and methods to balance magnetic flux in a switched mode power supply
CN113537402A (zh) * 2021-08-13 2021-10-22 重庆大学 一种基于振动信号的换流变压器多尺度融合特征提取方法

Family Cites Families (24)

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Publication number Priority date Publication date Assignee Title
US4127894A (en) * 1977-11-14 1978-11-28 Bell Telephone Laboratories, Incorporated Converter protection circuit operative to limit and counteract transformer saturation
NL7811969A (nl) * 1978-12-08 1980-06-10 Philips Nv Schakelende voeding met meerdere uitgangen.
US4439822A (en) * 1982-03-26 1984-03-27 California Institute Of Technology Method and apparatus for detecting and preventing impending magnetic saturation in magnetic materials
CA1293020C (en) * 1988-09-21 1991-12-10 Belwinder S. Barn Full-fluxed, single-ended dc converter
IT1255581B (it) * 1992-07-22 1995-11-09 Ansaldo Spa Dispositivo circuitale per evitare la saturazione del trasformatore in un convertitore cc/ca con invertitore regolatore in retroazione
US5801932A (en) * 1997-05-20 1998-09-01 Chun-Shan Institute Of Science And Technology Interleaved current-fed forward converter
US6081432A (en) * 1998-05-26 2000-06-27 Artesyn Technologies, Inc. Active reset forward converter employing synchronous rectifiers
US6002596A (en) * 1998-10-09 1999-12-14 Lucent Technologies Inc. Modular power supply having an input and output module and method of operation thereof
US6304463B1 (en) * 1999-05-07 2001-10-16 Power-One, Inc. Single-ended forward converter circuit with quasi-optimal resetting for synchronous rectification
US6191960B1 (en) * 2000-05-09 2001-02-20 Lucent Technologies Inc. Active clamp for isolated power converter and method of operating thereof
US6483726B2 (en) * 2001-03-02 2002-11-19 Delta Electronics, Inc. Auxiliary output voltage control circuit of flyback power converter with a magnetic amplifier
JP2003061346A (ja) * 2001-08-14 2003-02-28 Iwatsu Electric Co Ltd 磁気増幅器のリセット電流ドライブ回路およびスイッチング電源回路
US6442052B1 (en) * 2001-08-30 2002-08-27 International Business Machines Corporation High efficiency power converter with fast transient response
EP1456939A2 (en) * 2001-12-21 2004-09-15 Delta Energy Systems (Switzerland) AG A forward converter with controlled reset
WO2004066479A1 (en) * 2003-01-23 2004-08-05 Koninklijke Philips Electronics N.V. Electrical converter for converting electrical power
WO2005031956A1 (en) * 2003-09-25 2005-04-07 Koninklijke Philips Electronics N.V. A switch mode power converter
DE10349461A1 (de) * 2003-10-23 2005-06-02 Siemens Ag Verfahren zum Betreiben einer elektromagnetischen Stoßwellenquelle und nach diesem Verfahren betriebene elektromagnetische Stoßwellenquelle
US7173835B1 (en) * 2005-11-16 2007-02-06 System General Corp. Control circuit associated with saturable inductor operated as synchronous rectifier forward power converter
CN100578904C (zh) * 2006-06-19 2010-01-06 崇贸科技股份有限公司 功率转换器的同步切换控制电路
JP4184391B2 (ja) * 2006-06-21 2008-11-19 シャープ株式会社 比較回路、および赤外線受信機
US7800923B2 (en) * 2008-02-29 2010-09-21 System General Corp. Offline synchronous switching regulator
US7859869B2 (en) * 2008-09-19 2010-12-28 Power Integrations, Inc. Forward converter transformer saturation prevention
JP5157987B2 (ja) * 2009-03-25 2013-03-06 株式会社豊田自動織機 絶縁形ｄｃ−ｄｃコンバータ
US7995360B2 (en) * 2009-05-07 2011-08-09 Power Integrations, Inc. Power system with shared clamp reset

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