DE69017875D1 - Leistungsversorgung mit verbesserter Leistungsfaktorkorrektur. - Google Patents

Leistungsversorgung mit verbesserter Leistungsfaktorkorrektur.

Info

Publication number
DE69017875D1
DE69017875D1 DE69017875T DE69017875T DE69017875D1 DE 69017875 D1 DE69017875 D1 DE 69017875D1 DE 69017875 T DE69017875 T DE 69017875T DE 69017875 T DE69017875 T DE 69017875T DE 69017875 D1 DE69017875 D1 DE 69017875D1
Authority
DE
Germany
Prior art keywords
factor correction
power supply
improved
power factor
power
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
DE69017875T
Other languages
English (en)
Other versions
DE69017875T2 (de
Inventor
Gert Werner Bruning
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics 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 Electronics NV filed Critical Philips Electronics NV
Publication of DE69017875D1 publication Critical patent/DE69017875D1/de
Application granted granted Critical
Publication of DE69017875T2 publication Critical patent/DE69017875T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/42Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/42Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208Arrangements for improving power factor of AC input
    • H02M1/4225Arrangements for improving power factor of AC input using a non-isolated boost converter
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic 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
    • G05F1/70Regulating power factor; Regulating reactive current or power
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac 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
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
DE69017875T 1990-01-09 1990-12-18 Leistungsversorgung mit verbesserter Leistungsfaktorkorrektur. Expired - Fee Related DE69017875T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/462,682 US5003454A (en) 1990-01-09 1990-01-09 Power supply with improved power factor correction

Publications (2)

Publication Number Publication Date
DE69017875D1 true DE69017875D1 (de) 1995-04-20
DE69017875T2 DE69017875T2 (de) 1995-10-12

Family

ID=23837384

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017875T Expired - Fee Related DE69017875T2 (de) 1990-01-09 1990-12-18 Leistungsversorgung mit verbesserter Leistungsfaktorkorrektur.

Country Status (5)

Country Link
US (1) US5003454A (de)
EP (1) EP0436980B1 (de)
JP (1) JPH04211813A (de)
KR (1) KR910015098A (de)
DE (1) DE69017875T2 (de)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0448908B1 (de) * 1990-03-27 1994-12-14 Saia Ag Verfahren zur Erzeugung einer stabilen Gleichspannung und stabile Gleichspannungsquelle
US5418677A (en) * 1990-12-28 1995-05-23 Eaton Corporation Thermal modeling of overcurrent trip during power loss
US5270898A (en) * 1990-12-28 1993-12-14 Westinghouse Electric Corp. Sure chip plus
ZA919656B (en) * 1990-12-28 1992-09-30 Westinghouse Electric Corp Voltage controlled power supply
US5251157A (en) * 1990-12-28 1993-10-05 Westinghouse Electric Corp. Process for offset adjustment of a microprocessor based overcurrent protective device and apparatus
US5815364A (en) * 1991-10-18 1998-09-29 Eaton Corporation Ultrasonic coil current regulator
US5525985A (en) * 1990-12-28 1996-06-11 Eaton Corporation Sure chip
US5134355A (en) * 1990-12-31 1992-07-28 Texas Instruments Incorporated Power factor correction control for switch-mode power converters
GB9104070D0 (en) * 1991-02-27 1991-04-17 Astec Int Ltd Power supplies
US5121316A (en) * 1991-05-13 1992-06-09 Modular Devices, Inc. Electronic system and method for correcting the power factor of an accessory to a main equipment
AT403865B (de) * 1991-07-10 1998-06-25 Fronius Schweissmasch Spannungsumsetzungsvorrichtung für einen gleichspannungsverbraucher
US5146398A (en) * 1991-08-20 1992-09-08 Led Corporation N.V. Power factor correction device provided with a frequency and amplitude modulated boost converter
US5283726A (en) * 1991-12-20 1994-02-01 Wilkerson A W AC line current controller utilizing line connected inductance and DC voltage component
JP2571942Y2 (ja) * 1992-10-12 1998-05-20 ネミック・ラムダ株式会社 昇圧コンバータ
TW232759B (de) * 1992-03-16 1994-10-21 Wagner Spray Tech Corp
US5233509A (en) * 1992-04-03 1993-08-03 International Business Machines Corporation Switch-mode AC-to-DC converter
KR940007716B1 (ko) * 1992-07-03 1994-08-24 삼성전자 주식회사 연속전류 제어형 p.f.c 회로
DE59308738D1 (de) * 1992-09-30 1998-08-13 Siemens Ag Verfahren zur Vorsteuerung eines Schaltnetzteiles zum Ausgleich von Schwankungen der Speisespannung und Schaltungsanordnung zur Durchführung des Verfahrens
US5461301A (en) * 1993-01-19 1995-10-24 Qualidyne Systems Dual slope soft start for pulse width modulator controllers used in power converters
KR960010828B1 (ko) * 1993-04-13 1996-08-09 삼성전자 주식회사 고역률 전원공급장치
US5436551A (en) * 1993-07-30 1995-07-25 At&T Corp. Micropower regulator
US5465040A (en) * 1993-09-23 1995-11-07 Yasotornrat; Hemtong Three phase power factor correction device and method
IT1268474B1 (it) * 1993-10-22 1997-03-04 St Microelectronics Srl Convertitore statico dc-dc funzionante in modo discontinuo
KR960013948B1 (ko) * 1993-11-16 1996-10-10 삼성전자 주식회사 역률 보정회로
US5491445A (en) * 1994-07-05 1996-02-13 Delco Electronics Corporation Booster power converter having accelerated transient boost response
US5502630A (en) * 1994-07-19 1996-03-26 Transistor Devices, Inc. Power factor corrected rectification
US5867379A (en) * 1995-01-12 1999-02-02 University Of Colorado Non-linear carrier controllers for high power factor rectification
EP0732797B1 (de) 1995-03-16 2002-02-13 FRANKLIN ELECTRIC Co., Inc. Leistungsfaktorkorrektur
DE19522369A1 (de) * 1995-06-20 1997-01-02 Niepenberg Dalex Werke Gleichrichter-Netzteil
JPH09172779A (ja) * 1995-07-11 1997-06-30 Meidensha Corp 正弦波入力コンバータ回路
JPH09140145A (ja) * 1995-11-15 1997-05-27 Samsung Electron Co Ltd 力率補償回路を備えた昇圧型コンバータ
FR2742010B1 (fr) * 1995-11-30 1998-02-13 Sgs Thomson Microelectronics Dispositif d'amelioration du facteur de puissance d'une alimentation redressee
FR2742277B1 (fr) * 1995-12-07 1998-01-16 Sgs Thomson Microelectronics Dispositif d'alimentation a decoupage
US5691889A (en) * 1995-12-13 1997-11-25 Unitrode Corporation Controller having feed-forward and synchronization features
US5619405A (en) * 1995-12-21 1997-04-08 Reltec Corporation Variable bandwith control for power factor correction
FR2743226B1 (fr) * 1995-12-27 1998-03-20 Sgs Thomson Microelectronics Dispositif adaptatif a l'impedance d'une ligne d'alimentation
KR0154776B1 (ko) * 1995-12-28 1998-12-15 김광호 역률 보상 회로
US5959493A (en) * 1996-05-06 1999-09-28 Cassista; Philip A. Totem pole driver circuit
US5847942A (en) * 1996-05-30 1998-12-08 Unitrode Corporation Controller for isolated boost converter with improved detection of RMS input voltage for distortion reduction and having load-dependent overlap conduction delay of shunt MOSFET
US5661645A (en) 1996-06-27 1997-08-26 Hochstein; Peter A. Power supply for light emitting diode array
KR100206143B1 (ko) * 1996-08-28 1999-07-01 윤종용 고역률 보상회로
US6150771A (en) * 1997-06-11 2000-11-21 Precision Solar Controls Inc. Circuit for interfacing between a conventional traffic signal conflict monitor and light emitting diodes replacing a conventional incandescent bulb in the signal
US6138042A (en) * 1997-12-31 2000-10-24 Motorola, Inc. Method, device, phone, and base station for providing an efficient tracking power converter for variable signals
JP2946091B2 (ja) * 1998-02-18 1999-09-06 セイコーインスツルメンツ株式会社 スイッチング・レギュレーター
KR100286047B1 (ko) * 1998-05-15 2001-04-16 김덕중 역톱니파를 이용한 역률 보정 회로
US6055167A (en) * 1998-08-10 2000-04-25 Custom Power Systems, Inc. Pulse width modulated boost converter integrated with power factor correction circuit
DE19837153A1 (de) * 1998-08-17 2000-03-02 Micronas Intermetall Gmbh Pulsweitenmodulierter Gleichspannungswandler
CA2273814A1 (en) * 1998-10-01 2000-04-01 Osram Sylvania Inc. Wave shaping circuit
US6222747B1 (en) * 1999-01-12 2001-04-24 Artesyn Technologies Post regulation control circuit for a switch mode power supply with multiple outputs
US6172492B1 (en) * 1999-03-26 2001-01-09 Sarnoff Corporation Fixed off time and zero voltage switching dual mode power factor correcting converter
JP2003508005A (ja) * 1999-08-25 2003-02-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ バッテリ不足状態指示器を備えるdc/dc変換器
JP3726584B2 (ja) * 1999-09-16 2005-12-14 セイコーエプソン株式会社 電源回路および電気光学装置
US6191960B1 (en) * 2000-05-09 2001-02-20 Lucent Technologies Inc. Active clamp for isolated power converter and method of operating thereof
US6275397B1 (en) * 2000-06-27 2001-08-14 Power-One, Inc. Power factor correction control circuit for regulating the current waveshape in a switching power supply
US6373734B1 (en) * 2000-09-15 2002-04-16 Artesyn Technologies, Inc. Power factor correction control circuit and power supply including same
US6285174B1 (en) * 2000-10-13 2001-09-04 National Semiconductor Corporation Switching DC-to-Dc converter having on-time signal generation circuit and method for generating signal indicative of converter on-time
US6813173B2 (en) * 2000-10-26 2004-11-02 02Micro International Limited DC-to-DC converter with improved transient response
AU2002322418A1 (en) * 2001-06-21 2003-01-08 Champion Microelectronic Corp. Current inrush limiting and bleed resistor current inhibiting in a switching power converter
US6611169B2 (en) 2001-10-01 2003-08-26 Gibson Guitar Corp. Power supply regulation and protection circuit for audio power amplifier
JP2003339164A (ja) * 2002-05-22 2003-11-28 Hitachi Industrial Equipment Systems Co Ltd スイッチング電源回路、及びインバータ装置
ATE318462T1 (de) * 2002-06-04 2006-03-15 Koninkl Philips Electronics Nv Leistungswandler
KR100585294B1 (ko) * 2002-11-18 2006-06-01 삼성전자주식회사 가변 전압을 출력하는 스위칭 전원장치
US6900623B2 (en) * 2003-07-10 2005-05-31 System General Corp. Power supply having multi-vector error amplifier for power factor correction
WO2005041393A2 (en) * 2003-10-24 2005-05-06 Pf1, Inc. Method and system for power factor correction
KR101058936B1 (ko) * 2004-09-21 2011-08-23 페어차일드코리아반도체 주식회사 역률 보상 회로 및 그 출력 전압 제어 방법
JP4678215B2 (ja) * 2005-03-15 2011-04-27 サンケン電気株式会社 スイッチング電源装置
JP4628172B2 (ja) * 2005-04-28 2011-02-09 セイコーインスツル株式会社 昇圧型dc−dc、および、昇圧型dc−dcを有する半導体装置
US7359224B2 (en) * 2005-04-28 2008-04-15 International Rectifier Corporation Digital implementation of power factor correction
DE102007016630A1 (de) * 2007-04-05 2008-10-09 Continental Automotive Gmbh Vorrichtung zum Betreiben eines Schaltnetzteils
US7554473B2 (en) * 2007-05-02 2009-06-30 Cirrus Logic, Inc. Control system using a nonlinear delta-sigma modulator with nonlinear process modeling
US8320144B2 (en) * 2007-08-22 2012-11-27 Silicon Mitus, Inc. Power factor correction circuit for reducing distortion of input current
EP2031726A1 (de) * 2007-08-28 2009-03-04 Hewlett-Packard Development Company, L.P. Interner Schalter zum Schutz von untergeordneten Einrichtungen in einem netzüberspannungstoleranten Umrichter
US7646189B2 (en) * 2007-10-31 2010-01-12 Semiconductor Components Industries, L.L.C. Power supply controller and method therefor
US8344707B2 (en) * 2008-07-25 2013-01-01 Cirrus Logic, Inc. Current sensing in a switching power converter
US8614595B2 (en) * 2008-11-14 2013-12-24 Beniamin Acatrinei Low cost ultra versatile mixed signal controller circuit
US8004861B2 (en) * 2009-04-16 2011-08-23 Fsp Technology Inc. Parameter configuration method for elements of power factor correction function converter
US8749213B2 (en) * 2009-06-09 2014-06-10 Silergy Technology Mixed mode control for switching regulator with fast transient responses
US9178415B1 (en) 2009-10-15 2015-11-03 Cirrus Logic, Inc. Inductor over-current protection using a volt-second value representing an input voltage to a switching power converter
US8487591B1 (en) 2009-12-31 2013-07-16 Cirrus Logic, Inc. Power control system with power drop out immunity and uncompromised startup time
WO2011141905A1 (en) * 2010-04-29 2011-11-17 Victor Tzinker Ac-dc converter with unity power factor
US8866452B1 (en) 2010-08-11 2014-10-21 Cirrus Logic, Inc. Variable minimum input voltage based switching in an electronic power control system
US9510401B1 (en) 2010-08-24 2016-11-29 Cirrus Logic, Inc. Reduced standby power in an electronic power control system
EP2715924A1 (de) 2011-06-03 2014-04-09 Cirrus Logic, Inc. Definition von steuerdaten aus primärseitiger messung einer sekundärseitigen spannung bei einem schaltstromwandler
US9351356B2 (en) 2011-06-03 2016-05-24 Koninklijke Philips N.V. Primary-side control of a switching power converter with feed forward delay compensation
US8737099B2 (en) * 2011-07-15 2014-05-27 O2Micro, Inc. Controllers for power converters
US9397579B2 (en) 2011-07-15 2016-07-19 O2Micro Inc Full-bridge switching DC/DC converters and controllers thereof
CN103023299B (zh) * 2011-09-26 2015-05-20 南京博兰得电子科技有限公司 一种功率因数变换装置的控制方法
WO2013090852A2 (en) 2011-12-14 2013-06-20 Cirrus Logic, Inc. Adaptive current control timing and responsive current control for interfacing with a dimmer
US8854018B2 (en) * 2012-03-20 2014-10-07 Leadtrend Technology Corp. Control circuit for reducing touch current of a power converter and operation method thereof
DE102012005854B4 (de) * 2012-03-22 2024-01-11 Diehl Aerospace Gmbh Elektrische Versorgungsvorrichtung
US9520794B2 (en) 2012-07-25 2016-12-13 Philips Lighting Holding B.V Acceleration of output energy provision for a load during start-up of a switching power converter
KR20140022674A (ko) * 2012-08-14 2014-02-25 페어차일드코리아반도체 주식회사 스위치 제어 회로, 이를 포함하는 컨버터 및 그 구동 방법
KR20140062997A (ko) * 2012-11-15 2014-05-27 삼성전기주식회사 역률 보정 장치, 이를 갖는 전원 공급 장치 및 모터 구동 장치
US9024541B2 (en) 2013-03-07 2015-05-05 Cirrus Logic, Inc. Utilizing secondary-side conduction time parameters of a switching power converter to provide energy to a load
US9735671B2 (en) 2013-05-17 2017-08-15 Cirrus Logic, Inc. Charge pump-based drive circuitry for bipolar junction transistor (BJT)-based power supply
WO2014186765A1 (en) 2013-05-17 2014-11-20 Cirrus Logic, Inc. Single pin control of bipolar junction transistor (bjt)-based power stage
US9496855B2 (en) 2013-07-29 2016-11-15 Cirrus Logic, Inc. Two terminal drive of bipolar junction transistor (BJT) of a light emitting diode (LED)-based bulb
WO2015017315A1 (en) 2013-07-29 2015-02-05 Cirrus Logic, Inc. Compensating for a reverse recovery time period of a bipolar junction transistor (bjt) in switch-mode operation of a light-emitting diode (led)-based bulb
US20150130433A1 (en) * 2013-11-08 2015-05-14 Fairchild Semiconductor Corporation Constant power availability for load switches with foldback current
CN103746572B (zh) * 2014-01-03 2016-08-17 上海交通大学 单相ac-dc变换器储能控制系统
US9554431B2 (en) * 2014-01-06 2017-01-24 Garrity Power Services Llc LED driver
US9214862B2 (en) 2014-04-17 2015-12-15 Philips International, B.V. Systems and methods for valley switching in a switching power converter
US9502961B2 (en) * 2014-07-15 2016-11-22 Stmicroelectonics S.R.L. Control circuit implementing a related method for controlling a switching power factor corrector, a PFC and an AC/DC converter
US9325236B1 (en) 2014-11-12 2016-04-26 Koninklijke Philips N.V. Controlling power factor in a switching power converter operating in discontinuous conduction mode
US9748835B2 (en) 2014-11-17 2017-08-29 Infineon Technologies Austria Ag Digital power factor correction
US9504118B2 (en) 2015-02-17 2016-11-22 Cirrus Logic, Inc. Resistance measurement of a resistor in a bipolar junction transistor (BJT)-based power stage
US9609701B2 (en) 2015-02-27 2017-03-28 Cirrus Logic, Inc. Switch-mode drive sensing of reverse recovery in bipolar junction transistor (BJT)-based power converters
US9603206B2 (en) 2015-02-27 2017-03-21 Cirrus Logic, Inc. Detection and control mechanism for tail current in a bipolar junction transistor (BJT)-based power stage
US10637254B2 (en) * 2015-03-19 2020-04-28 Linear Technology Corporation Spread spectrum for switch mode power supplies
TWI551018B (zh) * 2015-12-15 2016-09-21 Nat Inst Chung Shan Science & Technology Power factor correction conversion device and control method thereof
US9893621B1 (en) 2016-10-26 2018-02-13 Silanna Asia Pte Ltd Power converter with predictive pulse width modulator control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62293969A (ja) * 1986-06-10 1987-12-21 Mitsubishi Heavy Ind Ltd 単相整流電源装置
JPS6355612A (ja) * 1986-08-27 1988-03-10 Toshiba Corp 交直変換装置
JPS6486167A (en) * 1987-09-29 1989-03-30 Minolta Camera Kk Warning device for misselection of toner color for copying machine
JPS6452964A (en) * 1987-08-24 1989-03-01 Nippon Parts Center Kk Welding fence
US4837495A (en) * 1987-10-13 1989-06-06 Astec U.S.A. (Hk) Limited Current mode converter with controlled slope compensation
US4816982A (en) * 1987-11-23 1989-03-28 Viteq Corporation AC to DC power converter with integrated line current control for improving power factor
GB8817684D0 (en) * 1988-07-25 1988-09-01 Astec Int Ltd Power factor improvement
US4940929A (en) * 1989-06-23 1990-07-10 Apollo Computer, Inc. AC to DC converter with unity power factor

Also Published As

Publication number Publication date
US5003454A (en) 1991-03-26
EP0436980B1 (de) 1995-03-15
EP0436980A1 (de) 1991-07-17
DE69017875T2 (de) 1995-10-12
JPH04211813A (ja) 1992-08-03
KR910015098A (ko) 1991-08-31

Similar Documents

Publication Publication Date Title
DE69017875T2 (de) Leistungsversorgung mit verbesserter Leistungsfaktorkorrektur.
DE69206283T2 (de) Stromversorgung mit hohem Leistungsfaktor.
DE69110516T2 (de) Stromversorgung.
DE466322T1 (de) Leistungsverstaerker mit verschiedenen geschalteten stufen.
DE69111283T2 (de) Mikroprozessor mit niedrigem Leistungsverbrauch.
DE58907049D1 (de) Stromversorgungsanordnung.
DE68915689D1 (de) Modem mit reduzierbarer Versorgung.
DE69015418T2 (de) Energieversorgung.
DE68917397T2 (de) Leistungsversorgung.
DE3881088T2 (de) Leistungsversorgung mit automatischer Spannungsanpassung.
DE69108586T2 (de) Stromversorgungsschaltung.
DE69017080T2 (de) VHF-Gleichstrom-Gleichstrom-Leistungsversorgung.
DE69606144T2 (de) Schaltnetzteil mit Leistungsfaktorkorrektur
DE69411447D1 (de) Gleichstromversorgung mit verbessertem Leistungsfaktor
DE69112808T2 (de) Stromversorgung mit Temperaturkoeffizient.
DE69105400T2 (de) Schaltnetzteil.
DE69010664D1 (de) Schaltnetzteil.
DE69113414D1 (de) Integrierte Konstantstromversorgung.
DE69114982T2 (de) Stromversorgungskreis.
DE69022955T2 (de) Leistungszufuhr.
DE69106238T2 (de) Stromversorgungsschaltungen.
DE69107160D1 (de) Stromversorgungsanordnung.
DE69105318D1 (de) Stromversorgungsvorrichtung.
DE3880853T2 (de) Stromversorgungsgeraet mit negativer rueckkopplung.
DE69104881T2 (de) Flacher Leistungswiderstand.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee