近五十年來都以電壓源轉換器為主，利用對偶原理將電壓源轉換器轉換為電流源轉換器進行能源傳遞為本論文之重點。對偶原理是一已知的轉換方法，本論文介紹如何使用對偶原理進行元件轉換，了解其物理特性便可將其元件轉換為對應的元件。透過對偶理論之轉換步驟，將現有的電路轉換器從電壓型拓撲切換為電流型拓撲，文中有介紹圖形轉換以及矩陣轉換進行對偶理論之架構轉換。
即便對偶原理並非新的知識，但本篇論文可利用圖形轉換快速將其他電路拓撲轉換為對偶形式之電路拓樸，並且延伸至非反向升降壓轉換器(non-inverting buck-boost converter)進行設計。另外，對偶理論也可以應用於非平面電路架構，透過轉換方式將非平面電路轉換成對偶之拓撲形式。透過對偶方法，可以得到相對應的電流源轉換器，使其可以適用於電流源型態的負載應用。電流源電路廣泛應用於工業控制系統中，電流不受長接線增加的電阻影響。採用對偶電路架構不需要額外電壓轉換電流電路，可直接取得恆定電流供給負載端使用。
最後，本論文首先針對非反向升降壓轉換器(non-inverting buck-boost converter)進行對偶轉換，並使用串聯(cascade)方法得到一個interleaved非反向升降壓轉換器，作為對偶電路的雛型。研究中分別將非反向升降壓轉換器與interleaved非反向升降壓轉換器進行電路模擬分析與設計，最後，透過實驗證明了提出的電流型拓撲結構的可行性。

Over the past fifty years, voltage source converters have been predominantly used for energy transmission. The focus of this dissertation is to utilize the duality principle in transforming voltage source converters into current source converters for energy transfer. The duality principle is a well-known conversion method, and this dissertation discusses how to apply it for component transformation by understanding their physical characteristics and converting them into corresponding components. By following the steps of the duality theory, existing circuit converters can be transformed from voltage-based topologies to current-based topologies. The dissertation introduces graphical and matrix transformations for implementing the duality theory in the framework conversion.
While the duality principle is not a new concept, this dissertation demonstrates the use of graphical transformations to quickly convert other circuit topologies into their dual counterparts and extends it to the design of non-inverting buck-boost converters. Additionally, the duality theory can be applied to non-planar circuit architectures by transforming them into their dual topological forms. Through the duality approach, corresponding current source converters can be obtained, making them suitable for current-source-oriented load applications. Current-source circuits are widely used in industrial control systems as they are not affected by increased resistance due to long wiring. By employing a dual circuit architecture, there is no need for additional voltage-to-current conversion circuits, allowing for direct and constant current supply to the load.
Finally, this dissertation begins by applying the duality transformation to the non-inverting buck-boost converter and utilizes a cascade approach to obtain an interleaved non-inverting buck-boost converter as a prototype for the dual circuit. The study involves circuit simulation analysis and design for both the non-inverting buck-boost converter and the interleaved non-inverting buck-boost converter. Finally, the feasibility of the proposed current-source topology structure is demonstrated through experimental validation.

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