JP4254884B2 - 力率改善回路 - Google Patents
力率改善回路 Download PDFInfo
- Publication number
- JP4254884B2 JP4254884B2 JP2007121138A JP2007121138A JP4254884B2 JP 4254884 B2 JP4254884 B2 JP 4254884B2 JP 2007121138 A JP2007121138 A JP 2007121138A JP 2007121138 A JP2007121138 A JP 2007121138A JP 4254884 B2 JP4254884 B2 JP 4254884B2
- Authority
- JP
- Japan
- Prior art keywords
- oscillation
- circuit
- voltage
- fet
- current
- 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
Links
Images
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
-
- 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)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Description
2 フィルタ
3 全波整流器
10,10a 制御回路
11,12,12a,12b 発振回路
14 PWM制御部
L1 昇圧リアクトル
Q0 スイッチング素子
Q1〜Q8,Q10 FET
D1〜D6 ダイオード
C1,C2 平滑コンデンサ
C3 コンデンサ
R1〜R11 抵抗
COMP1 コンパレータ
INV1,INV2 インバータ
Iosc,IADJ 定電流源
AM1 演算増幅器
Claims (2)
- 交流電源の交流電圧を整流する整流器と、
前記整流器の出力に並列に接続され、昇圧リアクトルとスイッチング素子とが直列に接続された第1直列回路と、
前記スイッチング素子に並列に接続され、整流ダイオードと平滑コンデンサとが直列に接続された第2直列回路と、
所定の発振周波数を有するクロック信号を生成する発振回路と、
前記発振回路で生成されたクロック信号の周期で且つ前記平滑コンデンサの電圧値に応じて、前記スイッチング素子を駆動するための駆動信号を生成する制御回路とを有し、
前記発振回路は、前記スイッチング素子の前記駆動信号で入力の交流電圧の変化を検出し、該検出信号に応じて、前記所定の周波数を変化させることを特徴とする力率改善回路。 - 前記発振回路は、
発振用コンデンサと、
前記発振用コンデンサの充電及び放電を繰り返し行うことにより前記所定の発振周波数を有するクロック信号を生成する信号生成部と、
前記スイッチング素子の前記駆動信号で入力の交流電圧の変化を検出し、該検出信号に応じて、前記発振用コンデンサの充電電流と放電電流との少なくとも一方の電流を所定値だけ増加又は減少させることにより前記信号生成部のクロック信号の前記所定の発振周波数を変化させる周波数制御部と、
を有す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 |
---|---|---|---|
JP2007121138A JP4254884B2 (ja) | 2007-05-01 | 2007-05-01 | 力率改善回路 |
US12/598,045 US20100118576A1 (en) | 2007-05-01 | 2008-04-21 | Power factor correction circuit |
PCT/JP2008/057677 WO2008136293A1 (ja) | 2007-05-01 | 2008-04-21 | 力率改善回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007121138A JP4254884B2 (ja) | 2007-05-01 | 2007-05-01 | 力率改善回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008278679A JP2008278679A (ja) | 2008-11-13 |
JP4254884B2 true JP4254884B2 (ja) | 2009-04-15 |
Family
ID=39943405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007121138A Expired - Fee Related JP4254884B2 (ja) | 2007-05-01 | 2007-05-01 | 力率改善回路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100118576A1 (ja) |
JP (1) | JP4254884B2 (ja) |
WO (1) | WO2008136293A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY158596A (en) | 2007-01-15 | 2016-10-31 | Oyl Res And Dev Ct Sdn Bhd | A power factor correction circuit |
US7895003B2 (en) | 2007-10-05 | 2011-02-22 | Emerson Climate Technologies, Inc. | Vibration protection in a variable speed compressor |
US8950206B2 (en) * | 2007-10-05 | 2015-02-10 | Emerson Climate Technologies, Inc. | Compressor assembly having electronics cooling system and method |
US8418483B2 (en) | 2007-10-08 | 2013-04-16 | Emerson Climate Technologies, Inc. | System and method for calculating parameters for a refrigeration system with a variable speed compressor |
US8459053B2 (en) | 2007-10-08 | 2013-06-11 | Emerson Climate Technologies, Inc. | Variable speed compressor protection system and method |
US8539786B2 (en) | 2007-10-08 | 2013-09-24 | Emerson Climate Technologies, Inc. | System and method for monitoring overheat of a compressor |
US9541907B2 (en) | 2007-10-08 | 2017-01-10 | Emerson Climate Technologies, Inc. | System and method for calibrating parameters for a refrigeration system with a variable speed compressor |
US8448459B2 (en) | 2007-10-08 | 2013-05-28 | Emerson Climate Technologies, Inc. | System and method for evaluating parameters for a refrigeration system with a variable speed compressor |
US8379421B2 (en) | 2009-06-10 | 2013-02-19 | Oita University | Power factor correction converter with parallel-connected converter sections |
JP2012090504A (ja) * | 2010-10-22 | 2012-05-10 | Chofu Seisakusho Co Ltd | 電源供給装置 |
WO2012101698A1 (ja) * | 2011-01-25 | 2012-08-02 | パナソニック株式会社 | スイッチング電源装置 |
KR101420516B1 (ko) * | 2012-10-30 | 2014-07-16 | 삼성전기주식회사 | 역률 개선 회로 및 역률 개선 제어 방법 |
WO2015114780A1 (ja) * | 2014-01-30 | 2015-08-06 | 株式会社へいわ | キャパシタインプット形平滑回路 |
KR102317140B1 (ko) * | 2014-02-19 | 2021-10-22 | 엘지전자 주식회사 | 전력변환장치 및 태양광 모듈 |
US11206743B2 (en) | 2019-07-25 | 2021-12-21 | Emerson Climate Technolgies, Inc. | Electronics enclosure with heat-transfer element |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5459392A (en) * | 1993-12-27 | 1995-10-17 | Megapower Corp. | Unity power factor power supply which includes an electromagnetic interference reduction circuit |
JP3488120B2 (ja) * | 1999-02-24 | 2004-01-19 | シャープ株式会社 | スイッチング電源回路およびスイッチング電源用デバイス |
JP2002118445A (ja) * | 2000-10-11 | 2002-04-19 | Denso Corp | 発振回路 |
JP2003125585A (ja) * | 2001-10-15 | 2003-04-25 | Sanken Electric Co Ltd | 電源装置 |
JP2003125582A (ja) * | 2001-10-15 | 2003-04-25 | Sanken Electric Co Ltd | 電源装置 |
US7068016B2 (en) * | 2002-11-01 | 2006-06-27 | International Rectifier Corporation | One cycle control PFC boost converter integrated circuit with inrush current limiting, fan motor speed control and housekeeping power supply controller |
US6781352B2 (en) * | 2002-12-16 | 2004-08-24 | International Rectifer Corporation | One cycle control continuous conduction mode PFC boost converter integrated circuit with integrated power switch and boost converter |
US7123494B2 (en) * | 2003-05-06 | 2006-10-17 | Semiconductor Components Industries, L.L.C. | Power factor correction circuit and method of varying switching frequency |
JP5163283B2 (ja) * | 2008-05-22 | 2013-03-13 | サンケン電気株式会社 | 力率改善回路 |
KR101532423B1 (ko) * | 2008-10-31 | 2015-07-01 | 페어차일드코리아반도체 주식회사 | 역률 보상 회로 및 역률 보상 회로의 구동 방법 |
-
2007
- 2007-05-01 JP JP2007121138A patent/JP4254884B2/ja not_active Expired - Fee Related
-
2008
- 2008-04-21 US US12/598,045 patent/US20100118576A1/en not_active Abandoned
- 2008-04-21 WO PCT/JP2008/057677 patent/WO2008136293A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2008278679A (ja) | 2008-11-13 |
WO2008136293A1 (ja) | 2008-11-13 |
US20100118576A1 (en) | 2010-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4254884B2 (ja) | 力率改善回路 | |
JP6904079B2 (ja) | スイッチング電源装置 | |
JP3966351B2 (ja) | 力率改善回路 | |
JP4481879B2 (ja) | スイッチング電源装置 | |
JP4678215B2 (ja) | スイッチング電源装置 | |
JP4963068B2 (ja) | 力率改善回路 | |
KR101213461B1 (ko) | 스위칭 전원회로 | |
JP4734382B2 (ja) | Dc−dcコンバータ用集積回路 | |
US8242758B2 (en) | Converter and driving method thereof | |
JP5736772B2 (ja) | 定電流電源装置 | |
JP2010114993A (ja) | 力率改善回路の制御方式 | |
JPH06335241A (ja) | トランス結合型2次直流電源生成装置 | |
JP2011019371A (ja) | Dc−dcコンバータ | |
WO2015079538A1 (ja) | Dc-dcコンバータ | |
JP5195849B2 (ja) | Dc−dcコンバータ | |
JP5062440B2 (ja) | 電源回路 | |
JPH08289535A (ja) | Dc/dcコンバータ | |
JP2006014559A (ja) | Dc−dcコンバータ | |
JP2009225571A (ja) | Dc−dcコンバータ | |
JP4111326B2 (ja) | スイッチング電源装置 | |
JPH11332220A (ja) | 直流電源回路 | |
JP2010068676A (ja) | スイッチング電源 | |
JP6810150B2 (ja) | スイッチング電源装置および半導体装置 | |
JP4919858B2 (ja) | スイッチング電源 | |
CN216904670U (zh) | 一种dc/dc升压***的控制电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080905 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090106 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090119 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120206 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130206 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130206 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140206 Year of fee payment: 5 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |