JP2016187241A - 力率改善回路 - Google Patents
力率改善回路 Download PDFInfo
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- JP2016187241A JP2016187241A JP2015065847A JP2015065847A JP2016187241A JP 2016187241 A JP2016187241 A JP 2016187241A JP 2015065847 A JP2015065847 A JP 2015065847A JP 2015065847 A JP2015065847 A JP 2015065847A JP 2016187241 A JP2016187241 A JP 2016187241A
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- Prior art keywords
- circuit
- switching element
- voltage
- skip
- power factor
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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
- H02M1/4258—Arrangements for improving power factor of AC input using a single converter stage both for correction of AC input power factor and generation of a regulated and galvanically isolated DC output voltage
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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
- 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
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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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
【解決手段】交流電圧を整流して直流電圧に変換し、直流電圧をリアクトルLとスイッチング素子Q1との直列回路を介してスイッチングし、リアクトルの回生エネルギーを整流平滑して所定の出力電圧を得る力率改善回路であって、スイッチング素子のオフ時に両端電圧が減衰振動する際のボトムに基づきオンタイミングを設定するボトムオン設定部12〜14と、出力電圧に基づきスイッチング素子のオン時間を設定するオン時間設定部I1,Q11,C11,CP1と、オン時間設定部で設定されたオン時間とスイッチング素子のオフ時にリアクトルに流れる電流の回生期間との比率が所定値以下の場合にスイッチング素子を疑似共振させ、比率が所定値を超える場合に最初のボトムから1スキップして次のボトムになった時にスイッチング素子をオンさせるボトムスキップ制御部16とを備える。
【選択図】図1
Description
2 フィルタ
DB 全波整流回路
Q1 スイッチ素子
L,L1 リアクトル
La 主巻線
Lb 補助巻線
D1 ダイオード
C1,C2,C3,C4,C11,C12 コンデンサ
R1〜R3,R7 抵抗
I1,I2 電流源
FF1,FF2,FF3,FF4 フリップフロップ回路
CP1,CP2,CP3,CP4 コンパレータ
Q11,Q12 トランジスタ
AND1,AND2 アンド回路
OR1 オア回路
OTA1 オペアンプ
Vr1,Vr4,Vr 基準電圧
10,10A PFC制御部
11 回生期間検出回路
12 ZCD
13 ディレイ回路
14 ワンショット回路
15 カウンタ
16,16a スキップ回路
17 ダウンエッジワンショット回路
Claims (3)
- 交流電圧を整流して直流電圧に変換し、前記直流電圧をリアクトルとスイッチング素子との直列回路を介してスイッチングし、前記リアクトルの回生エネルギーを整流平滑して所定の出力電圧を得る力率改善回路であって、
前記出力電圧に基づき前記スイッチング素子のオン時間を設定するオン時間設定部と、
前記スイッチング素子のオフ時に両端電圧が減衰振動する際のボトムを検出するボトム検出部と、
前記オン時間設定部で設定されたオン時間と前記スイッチング素子のオフ時に前記リアクトルに流れる電流の回生期間との比率が所定値以下の場合に前記スイッチング素子を疑似共振させ、前記比率が前記所定値を超える場合に最初のボトムから1スキップして次のボトムになった時に前記スイッチング素子をオンさせるボトムスキップ制御部と、
を備えることを特徴とする力率改善回路。 - 前記所定の出力電圧に基づき負荷が軽負荷かどうかを判定する軽負荷判定部を備え、
前記ボトムスキップ制御部は、前記軽負荷判定部により負荷が軽負荷と判定された場合に、最初のボトムから1スキップして次のボトムになった時に前記スイッチング素子をオンさせることを特徴とする請求項1記載の力率改善回路。 - 前記所定の出力電圧に基づき負荷が軽負荷かどうかを判定する軽負荷判定部を備え、
前記ボトムスキップ制御部は、前記軽負荷判定部により負荷が軽負荷と判定され且つ前記オン時間が前記リアクトルに流れる電流の回生期間を超える場合には、最初のボトムから複数回スキップした後にボトムになった時に前記スイッチング素子をオンさせることを特徴とする請求項1記載の力率改善回路。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015065847A JP6413880B2 (ja) | 2015-03-27 | 2015-03-27 | 力率改善回路 |
US14/972,123 US9716427B2 (en) | 2015-03-27 | 2015-12-17 | Power factor correction circuit having bottom skip controller |
CN201510958082.5A CN106026629B (zh) | 2015-03-27 | 2015-12-18 | 功率因数改善电路 |
Applications Claiming Priority (1)
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JP2015065847A JP6413880B2 (ja) | 2015-03-27 | 2015-03-27 | 力率改善回路 |
Publications (2)
Publication Number | Publication Date |
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JP2016187241A true JP2016187241A (ja) | 2016-10-27 |
JP6413880B2 JP6413880B2 (ja) | 2018-10-31 |
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JP2015065847A Active JP6413880B2 (ja) | 2015-03-27 | 2015-03-27 | 力率改善回路 |
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US (1) | US9716427B2 (ja) |
JP (1) | JP6413880B2 (ja) |
CN (1) | CN106026629B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018216158A1 (ja) * | 2017-05-25 | 2018-11-29 | 三菱電機株式会社 | 電力変換装置 |
WO2022162964A1 (ja) * | 2021-02-01 | 2022-08-04 | 株式会社村田製作所 | 電力変換装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11011975B2 (en) * | 2018-02-20 | 2021-05-18 | Texas Instruments Incorporated | Boost power factor correction conversion |
CN109687384B (zh) * | 2018-12-29 | 2020-05-08 | 苏州路之遥科技股份有限公司 | 一种基于计算无功功率的大功率切除保护和复位方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020180411A1 (en) * | 2001-05-25 | 2002-12-05 | Bub Stephen Leonard | Switch mode power stage |
US20140185334A1 (en) * | 2012-12-30 | 2014-07-03 | Fuji Electric Co., Ltd. | Switching power supply |
US20150048807A1 (en) * | 2013-08-19 | 2015-02-19 | Infineon Technologies Austria Ag | Power Factor Correction Circuit and Method |
Family Cites Families (10)
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US6344986B1 (en) * | 2000-06-15 | 2002-02-05 | Astec International Limited | Topology and control method for power factor correction |
US20030179592A1 (en) * | 2002-03-25 | 2003-09-25 | Yokogawa Electric Corporation | DC/DC converter and method for controlling same |
US7733678B1 (en) * | 2004-03-19 | 2010-06-08 | Marvell International Ltd. | Power factor correction boost converter with continuous, discontinuous, or critical mode selection |
JP4193755B2 (ja) * | 2004-06-04 | 2008-12-10 | サンケン電気株式会社 | スイッチング電源装置及び力率改善回路 |
JP4735072B2 (ja) * | 2005-06-23 | 2011-07-27 | サンケン電気株式会社 | スイッチング電源装置 |
US8125203B2 (en) * | 2006-09-14 | 2012-02-28 | Renesas Electronics Corporation | PFC controller, switching regulator and power supply circuit |
KR101274214B1 (ko) * | 2006-11-30 | 2013-06-14 | 페어차일드코리아반도체 주식회사 | 스위치 모드 파워 서플라이 및 그 구동 방법 |
JP4400680B2 (ja) * | 2008-06-11 | 2010-01-20 | サンケン電気株式会社 | 力率改善回路 |
WO2010061654A1 (ja) * | 2008-11-25 | 2010-06-03 | 株式会社村田製作所 | Pfcコンバータ |
CN103326597B (zh) * | 2012-03-22 | 2015-10-28 | 尼克森微电子股份有限公司 | 功率因子修正控制器及其无桥式功率因子修正电路 |
-
2015
- 2015-03-27 JP JP2015065847A patent/JP6413880B2/ja active Active
- 2015-12-17 US US14/972,123 patent/US9716427B2/en active Active
- 2015-12-18 CN CN201510958082.5A patent/CN106026629B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020180411A1 (en) * | 2001-05-25 | 2002-12-05 | Bub Stephen Leonard | Switch mode power stage |
US20140185334A1 (en) * | 2012-12-30 | 2014-07-03 | Fuji Electric Co., Ltd. | Switching power supply |
US20150048807A1 (en) * | 2013-08-19 | 2015-02-19 | Infineon Technologies Austria Ag | Power Factor Correction Circuit and Method |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018216158A1 (ja) * | 2017-05-25 | 2018-11-29 | 三菱電機株式会社 | 電力変換装置 |
JPWO2018216158A1 (ja) * | 2017-05-25 | 2019-07-04 | 三菱電機株式会社 | 電力変換装置 |
WO2022162964A1 (ja) * | 2021-02-01 | 2022-08-04 | 株式会社村田製作所 | 電力変換装置 |
JP7505600B2 (ja) | 2021-02-01 | 2024-06-25 | 株式会社村田製作所 | 電力変換装置 |
Also Published As
Publication number | Publication date |
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JP6413880B2 (ja) | 2018-10-31 |
US20160285358A1 (en) | 2016-09-29 |
US9716427B2 (en) | 2017-07-25 |
CN106026629B (zh) | 2019-03-19 |
CN106026629A (zh) | 2016-10-12 |
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