本文旨在實現可調式高壓脈衝電源供應器之模組化設計。所提之系統包括:一組直流/直流轉換器及一組輸出脈寬控制電路，其中，直流/直流轉換器採用全橋LLC諧振電路作為單一模組的主電路架構，並使用兩模組進行輸入並聯輸出串聯(Input-Parallel Output-Series, IPOS)的模組連接，以增加其輸出電壓與輸出功率。其次，所使用之數位控制器結合人機介面控制，可根據調整不同參數值來設定不同之輸出規格。此外，除了藉由讀取電壓回授取樣值，並計算其變動量，以調變系統操作頻率，使輸出電壓達到預定之設定值外，還可藉由讀取各模組之均壓回授取樣值，並計算其變動量，以調變責任週期，使模組間之輸出電壓達到均衡。再者，本文在脈寬控制策略上加入突發模式(Burst Mode)，以消除電壓突波與諧振電流突波。最後，本文根據所挑選之系統參數進行電腦模擬，並以實測結果驗證所提系統之可行性與有效性。

This thesis aims to achieve a modular design of an adjustable high voltage pulsed power supply. The proposed system includes a DC/DC converter and a circuit for controlling output pulse width. The DC/DC converter is structured by full-bridge LLC resonant circuit as a basic power module and combines through input parallel output series (IPOS) form to increase the output voltage and output power. Moreover, the digital controller is incorporated with a human-machine interface, where the different output specifications can be obtained according to the preset parameter values. In addition, in order to stabilize output voltage, the frequency modulation technique is used to reach the required level, and the duty cycle control is employed to balance the output voltage between power modules. Furthermore, the burst mode is added into the pulse width control strategy for eliminating voltage spike and resonant current spike. Finally, both the computer simulation and experimental results are used to verify the feasibility and validity of the proposed system.

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