JP2016063607A - 電源装置およびその制御装置 - Google Patents
電源装置およびその制御装置 Download PDFInfo
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- JP2016063607A JP2016063607A JP2014189258A JP2014189258A JP2016063607A JP 2016063607 A JP2016063607 A JP 2016063607A JP 2014189258 A JP2014189258 A JP 2014189258A JP 2014189258 A JP2014189258 A JP 2014189258A JP 2016063607 A JP2016063607 A JP 2016063607A
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- Prior art keywords
- voltage
- error amplifier
- power factor
- circuit
- power supply
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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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
15 力率改善回路
20 制御装置
23 誤差増幅器
27 制御手段
29 クランプ回路
C コンデンサ
e 外部電源である商用交流電源
Q1 スイッチング素子
Claims (3)
- スイッチング素子を備え、外部電源と接続された力率改善回路と;
この力率改善回路の出力電圧に対応する電圧と基準電圧との差分を増幅する誤差増幅器と;
この誤差増幅器の出力電圧に基づいて前記スイッチング素子のスイッチングを制御する制御手段と;
前記誤差増幅器の出力側に接続され、前記制御手段による前記力率改善回路のフィードバック応答時間を設定するコンデンサと;
前記誤差増幅器の出力電圧が制御範囲下限以下の予め定められた電圧以下とならないようにクランプするクランプ回路と;
を具備していることを特徴とする電源装置。 - クランプ回路は、起動時に誤差増幅器の制御範囲下限以下の予め定められた電圧までコンデンサを充電する
ことを特徴とする請求項1記載の電源装置。 - スイッチング素子を備え、外部電源と接続された力率改善回路を具備した電源装置の制御装置であって、
前記力率改善回路の出力電圧に対応する電圧と基準電圧との差分を増幅する誤差増幅器と;
この誤差増幅器の出力電圧に基づいて前記スイッチング素子のスイッチングを制御する制御手段と;
前記誤差増幅器の出力電圧が制御範囲下限以下の予め定められた電圧以下とならないようにクランプするクランプ回路と;を具備し、
前記誤差増幅器の出力側に接続されるコンデンサにより、前記制御手段による前記力率改善回路のフィードバック応答時間を設定している
ことを特徴とする電源装置の制御装置。
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JP2014189258A JP6747766B2 (ja) | 2014-09-17 | 2014-09-17 | 電源装置およびその制御装置 |
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JP2014189258A JP6747766B2 (ja) | 2014-09-17 | 2014-09-17 | 電源装置およびその制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2016063607A true JP2016063607A (ja) | 2016-04-25 |
JP6747766B2 JP6747766B2 (ja) | 2020-08-26 |
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JP2014189258A Active JP6747766B2 (ja) | 2014-09-17 | 2014-09-17 | 電源装置およびその制御装置 |
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JP (1) | JP6747766B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019187544A1 (ja) * | 2018-03-30 | 2019-10-03 | 富士電機株式会社 | 力率改善回路及び半導体装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08294282A (ja) * | 1995-04-19 | 1996-11-05 | Nec Corp | 昇圧型力率改善回路 |
JP2009055695A (ja) * | 2007-08-27 | 2009-03-12 | Fuji Electric Device Technology Co Ltd | スイッチング電源 |
JP2014113011A (ja) * | 2012-12-05 | 2014-06-19 | Rohm Co Ltd | スイッチング電源の制御回路ならびにそれを用いたスイッチング電源および電子機器 |
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2014
- 2014-09-17 JP JP2014189258A patent/JP6747766B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08294282A (ja) * | 1995-04-19 | 1996-11-05 | Nec Corp | 昇圧型力率改善回路 |
JP2009055695A (ja) * | 2007-08-27 | 2009-03-12 | Fuji Electric Device Technology Co Ltd | スイッチング電源 |
JP2014113011A (ja) * | 2012-12-05 | 2014-06-19 | Rohm Co Ltd | スイッチング電源の制御回路ならびにそれを用いたスイッチング電源および電子機器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019187544A1 (ja) * | 2018-03-30 | 2019-10-03 | 富士電機株式会社 | 力率改善回路及び半導体装置 |
US10897194B2 (en) | 2018-03-30 | 2021-01-19 | Fuji Electric Co., Ltd. | Power factor improvement circuit and semiconductor apparatus |
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JP6747766B2 (ja) | 2020-08-26 |
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