本論文旨在研究非接觸式感應電能傳輸技術，並將其應用於具選擇性感應結構之非接觸式手機充電平台，藉以提高系統傳輸功率與電能轉換效率。所提選擇性感應結構，係利用感測線圈偵測其次級側感應結構於充電平台上之擺放位置，並依據偵測結果開啟充電平台內對應之鐵芯。此外，利用單晶片控制電路實現充電平台之過電流保護，並調節系統於待機時所消耗之功率。次級側感應結構則為一平面感應線圈配合平面型鐵芯建構而成，其整體厚度為2.5mm。最後藉由實測驗證非接觸式感應耦合結構，其於2mm氣隙下之最高電能轉換效率達70%。

This thesis investigates the contactless power transmission system for selective induction structure of charging platform, so as to improve the transfer efficiency. In the system, detects position of the secondary side induction structure on the charging platform and according to detection result excites the cores in charging platform. The system uses microchip control circuit to provide over load protection and regulate the power when the system is idle. The secondary induction structure is established by planar induction coil and planar core that the thickness is 2.5mm. Experimental results show that the power transmission efficiency of contactless inductive structure is 70% under 2mm gap.

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