本論文旨在研製採用Series-None(S-N)補償架構之無線電能傳輸定電壓輸出系統。考量無線電能傳輸系統應用於電能接收端須輕量化之特殊要求，若二次側具有過多電路元件，其所增加之體積、重量與成本，易造成系統難以實現。本文提出一無二次側補償電容之S-N補償架構無線電能傳輸系統之參數設計流程，透過其電路拓樸特性並搭配數位控制器，使系統輸出於固定負載或變動負載情況下，皆能安全且穩定於設定範圍內，達到定電壓輸出之目標。額定功率下電晶體開關達成零電壓切換，因此具有良好傳輸效率，同時也降低成本與電路體積，確保優異的供電品質與應用彈性。本論文首先針對感應線圈電路模型與諧振補償電路特性，進行數值分析與特性比較，推導相關公式並繪製其特性曲線。後續提出詳細之系統參數設計流程，並搭配回授控制方法，以提高整體系統穩定性。為驗證本文設計流程與電路規劃之可行性，本論文將建置兩套不同空氣間隙之無線電能傳輸系統，分別進行各級電路波形實測。測試結果顯示本系統於負載變動情況下，均能維持穩定電壓輸出，且具有理想傳輸效率，因此本論文之研究成果可作為無線電能傳輸系統開發參考。

This thesis aims to develop a wireless power transfer system (WPT) with constant voltage output using series-none (S-N) compensation topology. The study considers the application of WPT system on particular occasions requiring a lightweight power receiver. This thesis presents the parameters design method of the S-N compensation topology system without a secondary-side compensation capacitor. Through its circuit characteristic and digital controller, the output of the system can safely and stably reach the purpose of constant voltage output when the load is fixed or variable. The power MOSFETs achieve zero voltage switching at rated power, so it has excellent transfer efficiency. It also reduces cost and circuit volume, which guarantees power supply quality and application flexibility. This study first conducts numerical analysis and comparison of the characteristics of the induction coil circuit model and the resonance compensation circuit, deriving the relevant formulas, and describes its characteristic curves. Subsequently, it proposes a detailed system parameters design method and employs feedback control to improve overall system stability. To verify the feasibility of the design method and circuit planning of this thesis, it will build two sets of WPT systems with different air gaps and conduct actual measurement of circuit waveforms at various levels. Constant voltage output experiment results show that the system can maintain approximately constant voltage output under load fluctuations, and the transfer efficiency has outstanding performance. Therefore, the research results from this thesis can be utilized as a reference for the development of WPT system.

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