JP2008312355A - Ac−dcコンバータ - Google Patents
Ac−dcコンバータ Download PDFInfo
- Publication number
- JP2008312355A JP2008312355A JP2007157936A JP2007157936A JP2008312355A JP 2008312355 A JP2008312355 A JP 2008312355A JP 2007157936 A JP2007157936 A JP 2007157936A JP 2007157936 A JP2007157936 A JP 2007157936A JP 2008312355 A JP2008312355 A JP 2008312355A
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- 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
- H02M3/22—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
- 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
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
【解決手段】本発明のAC−DCコンバータは、トランス(8)に設けられた補助巻線(8c)と、直流−直流変換回路(10)の主MOS-FET(9)のオン・オフ動作によりトランス(8)の補助巻線(8c)に発生する電圧(VN)を検出して補助巻線(8c)の電圧(VN)の極性が負側のときに出力信号(VCP1)を発生する巻線電圧検出回路(21)と、巻線電圧検出回路(21)の出力信号(VCP1)から三角波信号(VRC)を生成する三角波発生回路(23)と、三角波発生回路(23)の出力電圧(VRC)と昇圧チョッパ回路(3)の出力電圧(VCH)とを比較して三角波発生回路(23)の出力電圧(VRC)が昇圧チョッパ回路(3)の出力電圧(VCH)を超えたときに昇圧チョッパ回路(3)の昇圧用MOS-FET(5)に第1の駆動信号(VG1)を付与するPWM回路(27)とを備える。
【選択図】図1
Description
Claims (4)
- 交流電源からの交流電圧を整流する整流回路と、
該整流回路の出力端子に接続され且つ少なくともリアクトル、昇圧用スイッチング素子及びコンデンサを有し、該昇圧用スイッチング素子のオン・オフ動作により前記整流回路の出力電圧を昇圧する昇圧チョッパ回路と、
該昇圧チョッパ回路に接続され且つトランスの1次巻線及び少なくとも1つの主スイッチング素子を有し、該主スイッチング素子のオン・オフ動作により前記トランスの2次巻線から整流平滑回路を介して直流電圧を取り出す直流−直流変換回路とを備えたAC−DCコンバータにおいて、
前記直流−直流変換回路の主スイッチング素子のオン・オフ動作により、前記トランスのいずれかの巻線に発生する電圧を検出して、該電圧の極性が一方側のとき、出力信号を発生する巻線電圧検出回路と、
該巻線電圧検出回路の出力信号から三角波信号を生成する三角波発生回路と、
該三角波発生回路の出力電圧と前記昇圧チョッパ回路の出力電圧とを比較して、前記三角波発生回路の出力電圧が前記昇圧チョッパ回路の出力電圧を超えたとき、前記昇圧チョッパ回路の昇圧用スイッチング素子に駆動信号を付与するPWM回路とを備えたことを特徴とするAC−DCコンバータ。 - 前記トランスに補助巻線を設け、該補助巻線に前記巻線電圧検出回路を接続した請求項1に記載のAC−DCコンバータ。
- 前記PWM回路から駆動信号を出力したとき、前記昇圧用スイッチング素子をオフからオンに切り換え、前記トランスの補助巻線に発生する電圧の極性が反転したとき、前記昇圧用スイッチング素子をオンからオフに切り換える請求項2に記載のAC−DCコンバータ。
- 前記昇圧チョッパ回路の昇圧用スイッチング素子に流れる昇圧用電流が所定値を超えたとき、前記昇圧用スイッチング素子をオフに切り換えて、前記昇圧チョッパ回路の出力電圧を制限する過電流検出回路を設けた請求項1〜3のいずれか1項に記載のAC−DCコンバータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007157936A JP4239111B2 (ja) | 2007-06-14 | 2007-06-14 | Ac−dcコンバータ |
US12/663,842 US8564975B2 (en) | 2007-06-14 | 2008-03-12 | AC-DC converter |
CN2008800186395A CN101682255B (zh) | 2007-06-14 | 2008-03-12 | Ac-dc变换器 |
PCT/JP2008/054467 WO2008152838A1 (ja) | 2007-06-14 | 2008-03-12 | Ac-dcコンバータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007157936A JP4239111B2 (ja) | 2007-06-14 | 2007-06-14 | Ac−dcコンバータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008312355A true JP2008312355A (ja) | 2008-12-25 |
JP4239111B2 JP4239111B2 (ja) | 2009-03-18 |
Family
ID=40129451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007157936A Expired - Fee Related JP4239111B2 (ja) | 2007-06-14 | 2007-06-14 | Ac−dcコンバータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US8564975B2 (ja) |
JP (1) | JP4239111B2 (ja) |
CN (1) | CN101682255B (ja) |
WO (1) | WO2008152838A1 (ja) |
Cited By (7)
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JP2010200410A (ja) * | 2009-02-23 | 2010-09-09 | Omron Corp | 力率改善回路 |
JP2014023195A (ja) * | 2012-07-13 | 2014-02-03 | Fuji Electric Co Ltd | スイッチング電源装置 |
JP2014023194A (ja) * | 2012-07-13 | 2014-02-03 | Fuji Electric Co Ltd | スイッチング電源装置 |
JP2015057040A (ja) * | 2013-09-11 | 2015-03-23 | エルエス産電株式会社Lsis Co., Ltd. | 太陽光インバータ |
JP2016067194A (ja) * | 2014-09-24 | 2016-04-28 | サンケン電気株式会社 | スイッチング電源装置 |
US9837902B2 (en) | 2013-08-01 | 2017-12-05 | Renesas Electronics Corporation | Switching power source device, semiconductor device, and AC/DC converter |
JP2018011510A (ja) * | 2017-10-24 | 2018-01-18 | ルネサスエレクトロニクス株式会社 | スイッチング電源装置 |
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US8344707B2 (en) | 2008-07-25 | 2013-01-01 | Cirrus Logic, Inc. | Current sensing in a switching power converter |
US8222872B1 (en) | 2008-09-30 | 2012-07-17 | Cirrus Logic, Inc. | Switching power converter with selectable mode auxiliary power supply |
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US8288954B2 (en) | 2008-12-07 | 2012-10-16 | Cirrus Logic, Inc. | Primary-side based control of secondary-side current for a transformer |
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US8299722B2 (en) | 2008-12-12 | 2012-10-30 | Cirrus Logic, Inc. | Time division light output sensing and brightness adjustment for different spectra of light emitting diodes |
US8482223B2 (en) | 2009-04-30 | 2013-07-09 | Cirrus Logic, Inc. | Calibration of lamps |
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US8963535B1 (en) | 2009-06-30 | 2015-02-24 | Cirrus Logic, Inc. | Switch controlled current sensing using a hall effect sensor |
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US8536799B1 (en) | 2010-07-30 | 2013-09-17 | Cirrus Logic, Inc. | Dimmer detection |
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 |
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US9071144B2 (en) | 2011-12-14 | 2015-06-30 | Cirrus Logic, Inc. | Adaptive current control timing and responsive current control for interfacing with a dimmer |
WO2013179571A1 (ja) * | 2012-06-01 | 2013-12-05 | 旭化成エレクトロニクス株式会社 | Dc-dcコンバータ |
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-
2007
- 2007-06-14 JP JP2007157936A patent/JP4239111B2/ja not_active Expired - Fee Related
-
2008
- 2008-03-12 US US12/663,842 patent/US8564975B2/en active Active
- 2008-03-12 CN CN2008800186395A patent/CN101682255B/zh not_active Expired - Fee Related
- 2008-03-12 WO PCT/JP2008/054467 patent/WO2008152838A1/ja active Application Filing
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010200410A (ja) * | 2009-02-23 | 2010-09-09 | Omron Corp | 力率改善回路 |
JP2014023195A (ja) * | 2012-07-13 | 2014-02-03 | Fuji Electric Co Ltd | スイッチング電源装置 |
JP2014023194A (ja) * | 2012-07-13 | 2014-02-03 | Fuji Electric Co Ltd | スイッチング電源装置 |
US9837902B2 (en) | 2013-08-01 | 2017-12-05 | Renesas Electronics Corporation | Switching power source device, semiconductor device, and AC/DC converter |
US10199938B2 (en) | 2013-08-01 | 2019-02-05 | Renesas Electronics Corporation | Switching power source device, semiconductor device, and AC/DC converter including a switching control |
JP2015057040A (ja) * | 2013-09-11 | 2015-03-23 | エルエス産電株式会社Lsis Co., Ltd. | 太陽光インバータ |
US9806632B2 (en) | 2013-09-11 | 2017-10-31 | Lsis Co., Ltd. | Photovoltaic inverter |
JP2016067194A (ja) * | 2014-09-24 | 2016-04-28 | サンケン電気株式会社 | スイッチング電源装置 |
JP2018011510A (ja) * | 2017-10-24 | 2018-01-18 | ルネサスエレクトロニクス株式会社 | スイッチング電源装置 |
Also Published As
Publication number | Publication date |
---|---|
US20100188874A1 (en) | 2010-07-29 |
CN101682255B (zh) | 2012-09-19 |
WO2008152838A1 (ja) | 2008-12-18 |
CN101682255A (zh) | 2010-03-24 |
JP4239111B2 (ja) | 2009-03-18 |
US8564975B2 (en) | 2013-10-22 |
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