WO2003058799A1 - Power factor improving converter and control method thereof - Google Patents

Power factor improving converter and control method thereof Download PDF

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Publication number
WO2003058799A1
WO2003058799A1 PCT/JP2003/000078 JP0300078W WO03058799A1 WO 2003058799 A1 WO2003058799 A1 WO 2003058799A1 JP 0300078 W JP0300078 W JP 0300078W WO 03058799 A1 WO03058799 A1 WO 03058799A1
Authority
WO
WIPO (PCT)
Prior art keywords
amount
amount detection
lowered
control method
power factor
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.)
Ceased
Application number
PCT/JP2003/000078
Other languages
English (en)
French (fr)
Inventor
Yukinari Fukumoto
Hiroshi Usui
Koichi Morita
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.)
Sanken Electric Co Ltd
Original Assignee
Sanken Electric Co Ltd
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 Sanken Electric Co Ltd filed Critical Sanken Electric Co Ltd
Priority to JP2003559003A priority Critical patent/JP3988724B2/ja
Priority to US10/501,189 priority patent/US6980445B2/en
Priority to EP03700491A priority patent/EP1471625A4/en
Publication of WO2003058799A1 publication Critical patent/WO2003058799A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
    • 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
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion 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
    • H02M3/145—Conversion 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
    • H02M3/155—Conversion 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
    • H02M3/156—Conversion 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 with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/1563—Conversion 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 with automatic control of output voltage or current, e.g. switching regulators without using an external clock
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4275—Arrangements for improving power factor of AC input by adding an auxiliary output voltage in series to the input
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies 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
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Rectifiers (AREA)
PCT/JP2003/000078 2002-01-08 2003-01-08 Power factor improving converter and control method thereof Ceased WO2003058799A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003559003A JP3988724B2 (ja) 2002-01-08 2003-01-08 力率改善コンバータ及びその制御方法
US10/501,189 US6980445B2 (en) 2002-01-08 2003-01-08 Power factor improving converter and control method thereof
EP03700491A EP1471625A4 (en) 2002-01-08 2003-01-08 PERFORMANCE FACTOR IMPROVEMENT CONVERTER AND CONTROL PROCESS THEREFOR

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2002-1403 2002-01-08
JP2002001403 2002-01-08
JP2002-16137 2002-01-24
JP2002016137 2002-01-24
JP2002105221 2002-04-08
JP2002-105221 2002-04-08

Publications (1)

Publication Number Publication Date
WO2003058799A1 true WO2003058799A1 (en) 2003-07-17

Family

ID=27348061

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/000078 Ceased WO2003058799A1 (en) 2002-01-08 2003-01-08 Power factor improving converter and control method thereof

Country Status (5)

Country Link
US (1) US6980445B2 (ja)
EP (1) EP1471625A4 (ja)
JP (1) JP3988724B2 (ja)
CN (1) CN100490284C (ja)
WO (1) WO2003058799A1 (ja)

Cited By (8)

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JP2004194412A (ja) * 2002-12-10 2004-07-08 Sanken Electric Co Ltd スイッチング電源装置、スイッチング制御装置及びスイッチング電源装置の制御方法
JP2005117888A (ja) * 2003-10-07 2005-04-28 Semiconductor Components Industries Llc 電力供給コントローラおよびその方法
JP2006129145A (ja) * 2004-10-29 2006-05-18 Daito Electron Co Ltd アクティブフィルタ回路
JP2007074813A (ja) * 2005-09-06 2007-03-22 Sharp Corp 電源装置
WO2007055023A1 (ja) * 2005-11-14 2007-05-18 Mitsubishi Denki Kabushiki Kaisha エレベータの制御装置
JP2011097682A (ja) * 2009-10-27 2011-05-12 Panasonic Electric Works Co Ltd 電源装置、照明装置、及び、電力計測システム
CN109494793A (zh) * 2018-11-23 2019-03-19 中国电建集团上海能源装备有限公司 一种基于锂电容的兼顾一次调频的光伏分级储能系统
WO2022190540A1 (ja) * 2021-03-11 2022-09-15 オムロン株式会社 電力変換装置、制御装置および制御方法

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4468011B2 (ja) * 2004-02-25 2010-05-26 キヤノン株式会社 スイッチング電源及び画像形成装置
US20060039172A1 (en) * 2004-08-23 2006-02-23 International Rectifier Corporation Circuit to improve capacitor hold-up time in a converter circuit
JP2006087235A (ja) * 2004-09-16 2006-03-30 Sanken Electric Co Ltd 力率改善回路及び力率改善回路の制御回路
KR101026248B1 (ko) * 2004-09-21 2011-03-31 페어차일드코리아반도체 주식회사 역률 보상 회로
KR101058936B1 (ko) * 2004-09-21 2011-08-23 페어차일드코리아반도체 주식회사 역률 보상 회로 및 그 출력 전압 제어 방법
US7423414B1 (en) * 2005-08-04 2008-09-09 National Semiconductor Corporation Apparatus and method for switching regulator with compensation delay for output voltage error correction
DE102005045889B4 (de) * 2005-09-26 2008-11-20 Continental Automotive Gmbh Mehrphasiger Gleichstromsteller und Verfahren zum Betreiben eines mehrphasigen Gleichstromstellers
CN101630904B (zh) * 2008-07-17 2012-10-10 全汉企业股份有限公司 功因校正电路结构
US7638966B1 (en) * 2008-09-03 2009-12-29 Alexander Pummer Voltage control and power factor correction in AC induction motors
JP4678429B2 (ja) * 2008-09-11 2011-04-27 船井電機株式会社 スイッチング電源システム
US8279630B2 (en) * 2008-10-14 2012-10-02 Fairchild Semiconductor Corporation Continuous conduction mode power factor correction circuit with reduced sensing requirements
CN102187560B (zh) * 2008-11-25 2013-12-11 株式会社村田制作所 Pfc变换器
CN102187559B (zh) * 2008-11-25 2014-07-30 株式会社村田制作所 Pfc变换器
CN102224668A (zh) * 2008-11-25 2011-10-19 株式会社村田制作所 Pfc变换器
CN102356537B (zh) * 2009-03-18 2014-12-10 株式会社村田制作所 Pfc变换器
JP5104947B2 (ja) * 2009-03-24 2012-12-19 株式会社村田製作所 スイッチング電源装置
JP5493738B2 (ja) * 2009-11-10 2014-05-14 富士電機株式会社 力率改善型スイッチング電源装置
JP5573454B2 (ja) * 2009-11-26 2014-08-20 富士電機株式会社 力率改善型スイッチング電源装置
CN101883466B (zh) * 2010-06-30 2013-04-03 西安电子科技大学 应用于电子镇流器中的波峰因数过流保护电路
US20120056607A1 (en) * 2010-09-08 2012-03-08 Chin-Yi Lin Power Regulator, Power Control System and Method Thereof
JP5721403B2 (ja) 2010-11-18 2015-05-20 ルネサスエレクトロニクス株式会社 昇降圧回路及び昇降圧回路制御方法
CN103354972B (zh) * 2011-01-31 2016-01-20 新电元工业株式会社 功率因数改善电路
JP5842366B2 (ja) * 2011-04-04 2016-01-13 富士電機株式会社 スイッチング電源制御回路
CN102594118B (zh) * 2012-02-29 2014-06-25 矽力杰半导体技术(杭州)有限公司 一种升压型pfc控制器
CN102624254B (zh) * 2012-03-26 2014-06-18 矽力杰半导体技术(杭州)有限公司 一种具有改进的负载调节的恒压恒流控制电路及其控制方法
KR20130132169A (ko) * 2012-05-25 2013-12-04 페어차일드코리아반도체 주식회사 스위치 제어 장치, 이를 포함하는 전력 공급 장치, 및 그 구동 방법
US20140313798A1 (en) * 2012-05-25 2014-10-23 Fairchild Korea Semiconductor Ltd. Switch control device, power supply device comprising the same and driving method of power supply device
US9362843B2 (en) 2012-08-13 2016-06-07 Fairchild Korea Semiconductor Ltd Switch control device, power supply device comprising the same, and driving method of power supply device utilizing turn-on period half-on time point detection
KR102086613B1 (ko) * 2012-08-13 2020-03-09 온세미컨덕터코리아 주식회사 스위치 제어 장치, 이를 포함하는 전력 공급 장치, 및 그 구동 방법
CN103715656B (zh) * 2012-09-28 2016-06-29 中车大同电力机车有限公司 斩波器的过压保护装置、斩波器和电力机车
EP2728725B1 (en) * 2012-10-30 2017-08-02 Dialog Semiconductor GmbH Hysteretic power converter with current shaping
JP2014092370A (ja) * 2012-10-31 2014-05-19 Agilent Technologies Inc 電圧電流特性発生器
CN103023327B (zh) * 2012-12-19 2016-03-30 上海电力学院 一种自适应调整环宽的快速滞环控制电路
JP6135271B2 (ja) * 2013-04-19 2017-05-31 富士電機株式会社 スイッチング電源装置
US9419513B2 (en) * 2014-02-13 2016-08-16 Infineon Technologies Austria Ag Power factor corrector timing control with efficient power factor and THD
CN104868764B (zh) * 2014-02-26 2017-08-04 全汉企业股份有限公司 逆变装置及其电源转换方法
CN105004910A (zh) * 2014-04-22 2015-10-28 中兴通讯股份有限公司 一种pfc电感的电流检测方法及装置
CN103996389B (zh) * 2014-05-08 2015-12-02 京东方科技集团股份有限公司 一种电源电路和显示装置
CN105282792B (zh) * 2015-09-16 2018-09-07 华信咨询设计研究院有限公司 基于负载匹配的lte小区切换方法
WO2017134871A1 (ja) * 2016-02-02 2017-08-10 東芝キヤリア株式会社 電力変換装置
KR102685402B1 (ko) * 2017-01-16 2024-07-15 삼성전자주식회사 반도체 장치 및 그 동작 방법
US9973089B1 (en) * 2017-04-20 2018-05-15 Sanken Electric Co., Ltd. Interleaved DC-DC converter and semiconductor device having interleaved DC-DC converter
CN115151839A (zh) * 2020-02-26 2022-10-04 华为技术有限公司 一种信号接收方法、设备、介质和雷达系统
WO2021210289A1 (ja) * 2020-04-15 2021-10-21 富士電機株式会社 集積回路、電源回路

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0322865A (ja) 1989-06-20 1991-01-31 Sanken Electric Co Ltd 直流電源装置
EP0496529A2 (en) 1991-01-16 1992-07-29 Vlt Corporation Boost switching preregulator and controller therefor
JPH06153495A (ja) * 1992-11-13 1994-05-31 Matsushita Electric Works Ltd 電源装置
JPH09238470A (ja) * 1996-02-29 1997-09-09 Toshiba Lighting & Technol Corp 電源装置、放電灯点灯装置及び照明装置
US5757635A (en) * 1995-12-28 1998-05-26 Samsung Electronics Co., Ltd. Power factor correction circuit and circuit therefor having sense-FET and boost converter control circuit
JP2001268897A (ja) 2000-03-16 2001-09-28 Sanken Electric Co Ltd 交流−直流変換装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11825A (en) * 1854-10-24 Improvement in machinery for softening hemp and flax
US5115185A (en) * 1990-09-28 1992-05-19 At&T Bell Laboratories Single conversion power factor correction using septic converter
US5459392A (en) * 1993-12-27 1995-10-17 Megapower Corp. Unity power factor power supply which includes an electromagnetic interference reduction circuit
US5561596A (en) * 1994-02-22 1996-10-01 International Business Machines Corporation AC line stabilization circuitry for high power factor loads
CN1121088C (zh) * 2000-12-26 2003-09-10 艾黙生网络能源有限公司 单相功率因数校正升压变换器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0322865A (ja) 1989-06-20 1991-01-31 Sanken Electric Co Ltd 直流電源装置
EP0496529A2 (en) 1991-01-16 1992-07-29 Vlt Corporation Boost switching preregulator and controller therefor
JPH06153495A (ja) * 1992-11-13 1994-05-31 Matsushita Electric Works Ltd 電源装置
US5757635A (en) * 1995-12-28 1998-05-26 Samsung Electronics Co., Ltd. Power factor correction circuit and circuit therefor having sense-FET and boost converter control circuit
JPH09238470A (ja) * 1996-02-29 1997-09-09 Toshiba Lighting & Technol Corp 電源装置、放電灯点灯装置及び照明装置
JP2001268897A (ja) 2000-03-16 2001-09-28 Sanken Electric Co Ltd 交流−直流変換装置
US20020011825A1 (en) * 2000-03-16 2002-01-31 Hiroshi Usui AC-DC converter with reduced energy loss through a switching element

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1471625A4

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004194412A (ja) * 2002-12-10 2004-07-08 Sanken Electric Co Ltd スイッチング電源装置、スイッチング制御装置及びスイッチング電源装置の制御方法
JP2005117888A (ja) * 2003-10-07 2005-04-28 Semiconductor Components Industries Llc 電力供給コントローラおよびその方法
JP2006129145A (ja) * 2004-10-29 2006-05-18 Daito Electron Co Ltd アクティブフィルタ回路
JP2007074813A (ja) * 2005-09-06 2007-03-22 Sharp Corp 電源装置
US7588125B2 (en) 2005-11-14 2009-09-15 Mitsubishi Electric Corporation Elevator control device
JPWO2007055023A1 (ja) * 2005-11-14 2009-04-30 三菱電機株式会社 エレベータの制御装置
WO2007055023A1 (ja) * 2005-11-14 2007-05-18 Mitsubishi Denki Kabushiki Kaisha エレベータの制御装置
JP4987482B2 (ja) * 2005-11-14 2012-07-25 三菱電機株式会社 エレベータの制御装置
JP2011097682A (ja) * 2009-10-27 2011-05-12 Panasonic Electric Works Co Ltd 電源装置、照明装置、及び、電力計測システム
CN109494793A (zh) * 2018-11-23 2019-03-19 中国电建集团上海能源装备有限公司 一种基于锂电容的兼顾一次调频的光伏分级储能系统
CN109494793B (zh) * 2018-11-23 2022-07-08 中国电建集团上海能源装备有限公司 一种基于锂电容的兼顾一次调频的光伏分级储能系统
WO2022190540A1 (ja) * 2021-03-11 2022-09-15 オムロン株式会社 電力変換装置、制御装置および制御方法
JP7571631B2 (ja) 2021-03-11 2024-10-23 オムロン株式会社 電力変換装置、制御装置および制御方法

Also Published As

Publication number Publication date
CN1613173A (zh) 2005-05-04
CN100490284C (zh) 2009-05-20
EP1471625A1 (en) 2004-10-27
US6980445B2 (en) 2005-12-27
JPWO2003058799A1 (ja) 2005-05-19
US20050162143A1 (en) 2005-07-28
EP1471625A4 (en) 2006-06-21
JP3988724B2 (ja) 2007-10-10

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