由於現今電力電子業的發展，廣泛使用電力設備的結果造成供電端產生了大量的諧波電流。為了解決這種現象，電力工業規範了總電流諧波失真的程度。主動前端轉換器因為其三相交流供電端近似弦波的端電流，還有可控式功率因數、可控式直流電壓和雙向電力潮流控制等優點，漸漸被電力工業所運用。

本文旨在討論如何修改控制器以達到增加主動前端轉換器的直流鏈電壓抗擾動能力。為了達到高效率的電流追控能力，選用了預測電流控制。為了進行修改控制參數的目的，本文建立了三相市電鎖相迴路、預測電流控制器與主動前端轉換器在同步框下的等效模型，並且透過模擬與實驗來驗證模型的正確性與轉換器的效能。

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