JP2022017179A - 絶縁型共振コンバータ及びその制御方法 - Google Patents
絶縁型共振コンバータ及びその制御方法 Download PDFInfo
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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
- H02M3/33569—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
- H02M3/33584—Bidirectional converters
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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
- H02M3/01—Resonant DC/DC converters
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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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
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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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/083—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the ignition at the zero crossing of the voltage or the current
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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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
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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
- H02M3/3353—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 at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter
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- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4815—Resonant converters
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
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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
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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
- 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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- Dc-Dc Converters (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
Claims (21)
- 各相が、トランスと、1組の共振部品と、前記共振部品を介して入力端子を前記トランスに電気的に結合する1組の1次側スイッチと、前記トランスを出力端子に電気的に結合する1組の2次側スイッチと、を備える1相又は複数の相と、
前記1つまたは複数の相に電気的に結合された制御回路と、
を備え、
前記制御回路は、
前記入力端子で入力電圧を検出し、前記出力端子で出力電圧を検出するように構成され、
前記共振部品の物理的特性、前記入力電圧、前記出力電圧、及び基準電圧を含む複数のパラメータに基づいて、前記1次側スイッチの第1制御信号、及び、前記2次側スイッチの第2制御信号を決定するように構成され、
スイッチング周波数、及び、第1デューティー比を有する前記第1制御信号を前記1次側スイッチに送信するように構成され、
前記スイッチング周波数、及び、第2デューティー比を有する前記第2制御信号を前記2次側スイッチに送信するように構成され、
前記2次側スイッチのうち第1スイッチの前記第2デューティー比は、前記1次側スイッチのうち第1の対応するスイッチの前記第1デューティー比よりも大きい、絶縁型共振コンバータ。 - 請求項1に記載の絶縁型共振コンバータであって、
前記2次側スイッチのうち第2スイッチの前記第2デューティー比は、前記1次側スイッチのうち対応する第2スイッチのオフの瞬間に関して定義される、絶縁型共振コンバータ。 - 請求項1に記載の絶縁型共振コンバータであって、
前記制御回路は、前記1相又は複数の相のそれぞれを流れる電流を検出するように更に構成されている、絶縁型共振コンバータ。 - 請求項3に記載の絶縁型共振コンバータであって、
前記2次側スイッチのうち第2スイッチの前記第2デューティー比は、前記電流の正から負へのゼロ交差の瞬間、又は、負から正へのゼロ交差の瞬間に関して定義される、絶縁型共振コンバータ。 - 請求項1に記載の絶縁型共振コンバータであって、
前記制御回路は、
前記入力電圧及び前記出力電圧を受信し、前記入力電圧及び前記出力電圧をスケーリングされた入力電圧及び出力電圧に変換するように構成される検出及びスケーリング回路と、
前記スケーリングされた出力電圧を受信し、前記基準電圧から前記スケーリングされた出力電圧を減算することによって誤差信号を生成するように構成される減算器回路と、
前記誤差信号を受信し、増幅且つ補正された誤差信号を生成するように構成される誤差増幅器と、
前記スケーリングされた入力電圧と前記増幅且つ補正された誤差信号を受信し、前記スケーリングされた入力電圧と前記増幅且つ補正された誤差信号に基づいて、前記1次側及び2次側スイッチの前記第1及び第2制御信号を生成するように構成されるプロセッサ回路と、を備える絶縁型共振コンバータ。 - 請求項5に記載の絶縁型共振コンバータであって、
前記制御回路は、前記1相又は複数の相のそれぞれを流れる電流信号を検出するように構成されるゼロ電流検出器を更に備える、絶縁型共振コンバータ。 - 請求項6に記載の絶縁型共振コンバータであって、
前記プロセッサ回路は、前記電流信号を受信し、前記スケーリングされた入力電圧、前記増幅且つ補正された誤差信号、及び前記電流信号に基づいて、前記1次側及び2次側スイッチの前記第1及び第2制御信号を生成するように更に構成されている、絶縁型共振コンバータ。 - 請求項5に記載の絶縁型共振コンバータであって、
前記1相又は複数の相は、少なくとも2つの相を備えており、
前記制御回路は、前記少なくとも2つの相のうち異なる相を流れる電流が互いにバランスするように、前記2次側スイッチに送信される前に前記第2制御信号を修正するように構成された電流バランス回路をさらに備える、絶縁型共振コンバータ。 - 請求項8に記載の絶縁型共振コンバータであって、
前記電流バランス回路は、
前記少なくとも2つの相のそれぞれを流れる前記電流の平均化された大きさを取得するように構成される、電流検出、スケーリング、及び平均化回路と、
前記少なくとも2つの相のうち選択された2つの相の間の前記電流の差に基づいて、前記少なくとも2つの相のそれぞれについて遅延時間を決定し、前記第2制御信号のデューティーサイクルに前記遅延時間を加えることによって、前記第2制御信号を修正するように構成された遅延時間加算器と、を更に備える、絶縁型共振コンバータ。 - 各相が、トランスと、1組の共振部品と、前記共振部品を介して入力端子を前記トランスに電気的に結合する1組の1次側スイッチと、前記トランスを出力端子に電気的に結合する1組の2次側スイッチとを備える、1相又は複数の相を有する絶縁型共振コンバータの制御方法であって、
前記絶縁型共振コンバータの前記入力端子で入力電圧を検出し、前記出力端子で出力電圧を検出するステップと、
前記共振部品の物理的特性、前記入力電圧、前記出力電圧、及び基準電圧を含む複数のパラメータから、前記1次側スイッチの第1制御信号、及び、前記2次側スイッチの第2制御信号を決定するステップと、
スイッチング周波数、及び、第1デューティー比を有する前記第1制御信号を前記1次側スイッチに送信するステップと、
前記スイッチング周波数、及び、第2デューティー比を有する前記第2制御信号を前記2次側スイッチに送信するステップと、を備え、
前記2次側スイッチのうち第1スイッチの前記第2デューティー比は、前記1次側スイッチのうち第1の対応するスイッチの前記第1デューティー比よりも大きい、絶縁型共振コンバータの制御方法。 - 請求項10に記載の制御方法であって、
前記2次側スイッチのうち第2スイッチの前記第2デューティー比は、前記1次側スイッチのうち対応する第2スイッチのオフの瞬間によって定義される、制御方法。 - 請求項10に記載の制御方法であって、
前記1相又は複数の相のそれぞれを流れる電流を検出するステップを更に備える、制御方法。 - 請求項12に記載の制御方法であって、
前記2次側スイッチのうち第2スイッチの前記第2デューティー比は、前記電流の正から負へのゼロ交差の瞬間、又は、負から正へのゼロ交差の瞬間によって定義される、制御方法。 - 請求項10に記載の制御方法であって、
前記相のうち異なる相を流れる電流が互いにバランスするように、前記2次側スイッチに送信する前に前記第2制御信号を修正するステップを更に備える、制御方法。 - 絶縁型共振コンバータであって、
トランスと、
1組の共振部品と、
前記共振部品を介して入力端子と前記トランスを電気的に結合する第1レッグと第2レッグを有する1次側フルブリッジ回路と、
出力端子と前記トランスを電気的に結合する第3レッグと第4レッグを有する2次側フルブリッジ回路と、
前記1次側及び2次側フルブリッジ回路に電気的に接続された制御回路と、
を備え、
前記制御回路は、
前記入力端子で入力電圧を検出し、前記出力端子で出力電圧を検出するように構成され、
増幅且つ補正された誤差信号に基づいて、前記第1、第2、第3、及び第4レッグの制御信号を決定するように構成され、
前記制御信号は、前記第1、第2、第3、及び第4レッグのうちの少なくとも1つのデューティー比を含み、
前記1次側及び2次側フルブリッジ回路に前記制御信号を送信するように構成され、
前記増幅且つ補正された誤差信号が閾値以下の場合に、前記絶縁型共振コンバータは降圧型コンバータとなり、
前記増幅且つ補正された誤差信号が前記閾値より大きいの場合に、前記絶縁型共振コンバータは昇圧型コンバータとなる、絶縁型共振コンバータ。 - 請求項15に記載の絶縁型共振コンバータであって、
前記増幅且つ補正された誤差信号が前記閾値以下の場合に、前記第1レッグの前記デューティー比は0.0から0.5の間であり、前記第2レッグの前記デューティー比は0.0である、絶縁型共振コンバータ。 - 請求項15に記載の絶縁型共振コンバータであって、
前記増幅且つ補正された誤差信号が前記閾値以下の場合に、前記第1レッグの前記デューティー比は0.5であり、前記第2レッグの前記デューティー比は0.0から0.5の間である、絶縁型共振コンバータ。 - 請求項15に記載の絶縁型共振コンバータであって、
前記増幅且つ補正された誤差信号が前記閾値より大きいの場合に、前記第1及び前記第2レッグの前記デューティー比は0.5であり、前記第3レッグの前記デューティー比は0.5から1.0の間であり、前記第4レッグの前記デューティー比は0.5である、絶縁型共振コンバータ。 - 請求項15に記載の絶縁型共振コンバータであって、
前記増幅且つ補正された誤差信号が前記閾値より大きいの場合に、前記第1、及び、前記第2レッグの前記デューティー比は0.5であり、前記第3レッグの前記デューティー比は1.0であり、前記第4レッグの前記デューティー比は0.5から1.0の間である、絶縁型共振コンバータ。 - 請求項15に記載の絶縁型共振コンバータであって、
前記デューティー比は、前記増幅且つ補正された誤差信号の増加に伴って単調に増加する、絶縁型共振コンバータ。 - 請求項20に記載の絶縁型共振コンバータであって、
前記デューティー比は、前記増幅且つ補正された誤差信号の増加に伴って直線的に増加する、絶縁型共振コンバータ。
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