本文設計升壓型轉換器，將具有高能量與高功率密度兩種不同特性的電池，結合成一個簡單、便利及高效率的複合電池系統。在升壓型轉換器的設計上，導入K因子來簡化回授補償器的計算。有鑑於目前負載應用多為提供高壓以降低電流值，故於電池系統中，勢必要有高串聯數的電池，以便供應足夠的直流鏈電壓。傳統上串聯電池組都被視為單一電池，但電池之間本身存在著不同的差異性，即便是相同使用條件，也會因為多次的充放電，出現能量不匹配的情況。為了讓串聯電池彼此之間能有較為均勻的能量，因此本文透過切換電容式平衡電路，利用切換開關與電容充放電原理，來平衡電池之間的能量。此平衡電路不僅控制簡單、容易實現模組化設計，並且無須搭配特定的直流轉換器，即可達到串聯平衡的效果。

In this thesis, boost converter is used to combine high energy density batteries with high power density ones so that a simple, convenient and high efficiency hybrid battery system is introduced. The boost converter design applies K factor method to simplify calculating parameters in the feedback compensator.
To increase efficiency, many load are designed with high voltage but low current; hence series connection of batteries are necessary to provide enough DC link voltage in battery systems. In traditional, series batteries are considered as a single one. But voltage differences exist between batteries, due to many times of charge and discharge. In order to equalize series batteries energy, switching capacitor equalizer is used in this paper. MOSFETs and capacitors are used to balance energy between batteries. Experimental results are finally given to show the effective use of the proposed systems as expected.

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