JP2007336794A - 半ブリッジ共振変換器 - Google Patents
半ブリッジ共振変換器 Download PDFInfo
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- JP2007336794A JP2007336794A JP2007019402A JP2007019402A JP2007336794A JP 2007336794 A JP2007336794 A JP 2007336794A JP 2007019402 A JP2007019402 A JP 2007019402A JP 2007019402 A JP2007019402 A JP 2007019402A JP 2007336794 A JP2007336794 A JP 2007336794A
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- electronic switch
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- power storage
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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
- 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
- H02M3/337—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 in push-pull configuration
- H02M3/3376—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 in push-pull configuration with automatic control of output voltage or current
-
- 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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- 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
Abstract
【解決手段】1次巻線N1と、第1および第2の終端ならびに中間点を有する2次巻線N2と、第1の電子スイッチ(Q+,N3)と、第2の電子スイッチ(Q−,N3)と、第1の電力蓄積素子(L+,D+,R+)と、第2の電力蓄積素子(L−,D−,R−)と、第1および第2の端子を有する負荷とを含む半ブリッジ共振変換器。2次巻線の第1の終端が、第1の電子スイッチおよび第1の電力蓄積素子と直列に接続され、2次巻線の第2の終端が、第2の電子スイッチおよび第2の電力蓄積素子と直列に接続され、負荷の第1の端子が、第1の電力蓄積素子および第2の電力蓄積素子と共通に接続され、負荷の第2の端子が2次巻線の中心点に接続されている。
【選択図】図1
Description
モード1の状態では、トランジスタQHおよびQLは、どちらも非導通である。共振コイルLrおよび磁化コイルLmの初期電流は、I0に初期化され、共振キャパシタCrの初期電圧はV0に初期化される。I0が0未満であるので、I0の電流の導電波形は図4に示されるものとなる。また、磁化コイルLmのブリッジ電圧がnV0に固定されているので、したがって磁化コイルLmは一定の直流電圧源(DC voltage source)と見なすことができ、共振電流ILrと共振キャパシタCrの電流も等しく、したがって次式が得られる。
モード2の状態では、共振電流ILrが逆方向であり、したがって、トランジスタQHが導通し、電流の導電波形が図5に示される。モード1と同じで、磁化コイルLmは一定の直流電圧源と見なすことができ、共振電流ILrと共振キャパシタCrの電流も等しく、したがって次式が得られる。
モード3の状態では、共振電流ILrと磁化電流ILmが等しく、1次側電流I1が0となり、電流波形は図6に示される。共振コイルLrと磁化コイルLmは直列に接続され、共振キャパシタCrと共振し、電流に関する式は次のように得ることができる。
また、ショットキー・ダイオードが低電圧降下型ショットキー・ダイオードで、その順方向電圧降下が約0.3Vであるとすると、電力損失はおよそ次式となる。
ダイオードD+およびD−をMOSFETQ+およびQ−と入れ替えると、電力損失は大幅に低減されることになる。図9は、電子スイッチ・ダイオードD+およびD−の代わりにMOSFETを使用したときの損流波形を示し、導通状態のMOSFETの順方向電圧降下が約0.07Vであり、導通状態のボディ・ダイオードの電圧降下が約0.6Vであり、一方、MOSFETの導通時間はボディ・ダイオードの導通時間のおよそ2倍であるので、したがって電力損失はおよそ次式となる。
電子スイッチとしてダイオードをMOSFETに入れ替えると、逆方向バイアスの問題を招くことになる。モード3の状態では、2次側電流I2は0であり、V’およびV0には電圧降下があり、したがってMOSFETが逆方向バイアスを生成する可能性があり、次いでこの逆方向バイアスがボディ・ダイオードを導通させて、大幅な電力損失の増大を招くことになる。したがって、本発明は、電子スイッチの後に電力蓄積素子を直列に接続し、フィルタ・インダクタンスL+およびL−を使用してV’とV0の間の電圧差を解消する。
電力損失値の上記比較によれば、本発明の半ブリッジ共振変換器は、電力損失を最小化するという目的を達成することが可能である。
Claims (7)
- 半ブリッジ共振変換器であって、
1次巻線と、
第1および第2の終端ならびに中心点を有する2次巻線と、
前記2次巻線の第1の終端に接続された第1の端子と、第2の端子とを有する第1の電子スイッチと、
前記2次巻線の第2の終端に接続された第1の端子と、第2の端子とを有する第2の電子スイッチと、
前記第1の電子スイッチの第2の端子に接続された第1の端部と、第2の端部とを有する第1の電力蓄積素子と、
前記第2の電子スイッチの第2の端子に接続された第1の端部と、第2の端部とを有する第2の電力蓄積素子と、
前記第1の電力蓄積素子の第2の端部と前記第2の電力蓄積素子の第2の端部とに共通に接続された第1の端子と、前記2次巻線の中心点に接続された第2の端子とを有する負荷と、を備える半ブリッジ共振変換器。 - 前記第1の電子スイッチの動作が前記第2の電子スイッチと逆であり、当該第1の電子スイッチの動作によって、前記2次巻線の第1の終端または第2の終端が前記負荷に交互に伝導される、請求項1に記載の半ブリッジ共振変換器。
- 前記第1の電子スイッチが、MOSFETと、前記MOSFETのゲート(G)とソース(S)とに橋絡された第3の巻線とを含み、前記第1の電子スイッチの第1の端子が前記MOSFETのソース(S)であり、前記第1の電子スイッチの第2の端子が前記MOSFETのドレイン(D)である、請求項1に記載の半ブリッジ共振変換器。
- 前記第2の電子スイッチが、MOSFETと、前記MOSFETのゲート(G)とソース(S)とに橋絡された第3の巻線とを含み、前記第2の電子スイッチの第1の端子が前記MOSFETのソース(S)であり、前記第2の電子スイッチの第2の端子が前記MOSFETのドレイン(D)である、請求項1に記載の半ブリッジ共振変換器。
- 前記第1の電子スイッチの第3の巻線および前記第2の電子スイッチの第3の巻線が同じコイル巻数を有する同一の巻線である、請求項3または請求項4に記載の半ブリッジ共振変換器。
- 前記第1の電力蓄積素子が、ダイオードと抵抗との直列接続と、それに並列接続されたコイルとの組合せであり、前記コイルの電力が前記ダイオードと抵抗との直列接続を通して放出され、前記第1の電力蓄積素子の第1の端部が前記ダイオードの正の端子であり、前記第1の電力蓄積素子の第2の端部が前記抵抗と前記コイルとの接続端部である、請求項1に記載の半ブリッジ共振変換器。
- 前記第2の電力蓄積素子が、ダイオードと抵抗との直列接続と、それに並列接続されたコイルとの組合せであり、前記コイルの電力が前記ダイオードと抵抗との直列接続を通して放出され、前記第2の電力蓄積素子の第1の端部が前記ダイオードの正の端子であり、前記第2の電力蓄積素子の第2の端部が前記抵抗と前記コイルとの接続端部である、請求項1に記載の半ブリッジ共振変換器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095121870A TW200803141A (en) | 2006-06-19 | 2006-06-19 | Half-bridge resonant converter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007336794A true JP2007336794A (ja) | 2007-12-27 |
JP4521574B2 JP4521574B2 (ja) | 2010-08-11 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007019402A Expired - Fee Related JP4521574B2 (ja) | 2006-06-19 | 2007-01-30 | 半ブリッジ共振変換器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7760521B2 (ja) |
JP (1) | JP4521574B2 (ja) |
TW (1) | TW200803141A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011160521A (ja) * | 2010-01-29 | 2011-08-18 | Murata Mfg Co Ltd | スイッチング電源装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7948775B2 (en) * | 2008-06-16 | 2011-05-24 | Lu wei-chun | Duty-cycle-controlled half-bridge resonant converter |
KR100966972B1 (ko) * | 2008-07-17 | 2010-06-30 | 삼성전기주식회사 | 가변 스위칭 주파수 방식 전원 공급 장치 |
TWI408898B (zh) * | 2009-08-25 | 2013-09-11 | Delta Electronics Inc | 用於同步整流控制之補償裝置及其方法 |
JP2013005547A (ja) * | 2011-06-15 | 2013-01-07 | Sanken Electric Co Ltd | スイッチング電源装置 |
ITBO20110527A1 (it) * | 2011-09-14 | 2013-03-15 | Filippo Bastianini | Circuito a basso consumo rettificatore a valore assoluto adatto all' impiego in un campo di temperatura esteso |
ITBO20110529A1 (it) * | 2011-09-14 | 2013-03-15 | Filippo Bastianini | Generatore elettrico di corrente continua alimentato da vibrazioni meccaniche ambientali |
EP2634904A3 (de) * | 2012-03-01 | 2015-05-06 | Akdogan Oezkan | AC/DC, DC/DC LED Treiber mit hohem Leistungsfaktor |
TWI463782B (zh) * | 2012-08-15 | 2014-12-01 | Ind Tech Res Inst | 用於能量採集之電源轉換裝置及能量採集方法 |
TWI596880B (zh) * | 2014-06-30 | 2017-08-21 | 光寶科技股份有限公司 | 準諧振半橋轉換器及其控制方法 |
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JPH07337005A (ja) * | 1994-06-03 | 1995-12-22 | Hitachi Ltd | Dc/dcコンバータおよび電源装置 |
JPH09205776A (ja) * | 1996-01-26 | 1997-08-05 | Hitachi Ltd | 回生チョッパ装置の保護装置 |
JP2005094980A (ja) * | 2003-09-19 | 2005-04-07 | Sony Corp | スイッチング電源回路 |
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KR920001705Y1 (ko) * | 1990-01-19 | 1992-03-09 | 이상우 | 형광등의 점등장치 |
US5303137A (en) * | 1991-12-04 | 1994-04-12 | Dawn Technologies, Ltd. | Multiresonant self-oscillating converter circuit |
US5268830A (en) * | 1992-04-20 | 1993-12-07 | At&T Bell Laboratories | Drive circuit for power switches of a zero-voltage switching power converter |
US5500576C1 (en) * | 1993-11-08 | 2001-12-18 | Energy Savings Inc | Low height ballast for fluorescent lamps |
DE19650110A1 (de) * | 1996-12-03 | 1998-06-04 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Betriebsschaltung für eine elektrodenlose Niederdruckentladungslampe |
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US6400584B1 (en) * | 2001-03-23 | 2002-06-04 | Koninklijke Philips Electronics N.V. | Two stage switching power supply for connecting an AC power source to a load |
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KR20060016072A (ko) * | 2002-12-31 | 2006-02-21 | 아포지 테크놀로지, 인크. | 적응적 공진 스위칭 전원 시스템 |
US7095183B2 (en) * | 2004-07-07 | 2006-08-22 | Osram Sylvania Inc. | Control system for a resonant inverter with a self-oscillating driver |
TWM301461U (en) * | 2006-05-09 | 2006-11-21 | Hipro Electronics Taiwan Co Lt | Half-bridge LLC resonant transformer having a synchronizing rectifying function |
-
2006
- 2006-06-19 TW TW095121870A patent/TW200803141A/zh not_active IP Right Cessation
-
2007
- 2007-01-11 US US11/652,118 patent/US7760521B2/en not_active Expired - Fee Related
- 2007-01-30 JP JP2007019402A patent/JP4521574B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07337005A (ja) * | 1994-06-03 | 1995-12-22 | Hitachi Ltd | Dc/dcコンバータおよび電源装置 |
JPH09205776A (ja) * | 1996-01-26 | 1997-08-05 | Hitachi Ltd | 回生チョッパ装置の保護装置 |
JP2005094980A (ja) * | 2003-09-19 | 2005-04-07 | Sony Corp | スイッチング電源回路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011160521A (ja) * | 2010-01-29 | 2011-08-18 | Murata Mfg Co Ltd | スイッチング電源装置 |
Also Published As
Publication number | Publication date |
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US7760521B2 (en) | 2010-07-20 |
US20070291515A1 (en) | 2007-12-20 |
TW200803141A (en) | 2008-01-01 |
JP4521574B2 (ja) | 2010-08-11 |
TWI309914B (ja) | 2009-05-11 |
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