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研究方法
- 利用數位化控制來達成變頻式相位移控制
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具備能力
- 基本相位移控制動作原理
- 相位移系統建構
- 相位移系統模擬
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預期達到目標
- 提升相位移輸出效率
- 提高系統增益(Vo/Vi)值
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研究目標
- (1)評估變頻式架構對系統Vo/Vi增益
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國外相關研究狀況
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[1]DESIGN CONSIDERATIONS FOR HIGH-VOLTAGE HIGH-POWER
FULL-BRIDGE ZERO-VOLTAGE-SWITC'IIED PWM CONVERTER
- 優點: 簡化ZVS 架構, 並明確定義共振電感Lr條件
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[2] A Novel Zero-Voltage and Zero-Current-Switching
PWM Full-Bridge Converter Using Two Diodes in
Series With the Lagging Leg
- 優點: 提供一次側兩個clamp diode 於MOS端以改善共振電流路徑
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[3] Zero-Voltage and Zero-Current-Switching
Full Bridge PWM Converter for
High-Power Applications
- add external auxiliary circuit to lagging leg for ZVS transition
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[4] A Novel Soft-Switching Full-Bridge DC/DC
Converter: Analysis, Design Considerations,
and Experimental Results
at 1.5 kW, 1OOkHz
- 優點: 提供一次側兩個clamp diode 以改善效率
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[5] Synchronous Rectified Soft-Switched Phase-Shift
Full-Bridge Converter with Primary Energy Storage
Inductor
- 優點: (a) 輕載系統操作於DCM, BCM模式來獲得較高的電壓增益比(Vo/Vi)
- 缺點: (a)系統採定頻式, 並無評估頻率對增益的影響