本論文著重於電動車雙向充放電與V2G應用之雙向串聯諧振式無線能量傳輸系統的分析、設計與實作。本論文首先簡單介紹無線能量傳輸之基本原理，並總結與分析無線能量傳輸所使用之弱耦合線圈的等效電路模型，以及串聯諧振式無線能量傳輸系統工作在不同頻率點的特性。

本論文中提出一套設計流程，依照此流程進行設計，可確保串聯諧振式無線能量傳輸系統在所指定的耦合係數變化範圍、負載範圍以及所允許的變頻範圍內可以穩定可靠工作。最後實作完成一組3 kW雙向無線能量傳輸系統原型機，此原型機滿載、210 mm氣隙時效率約可達96%，於滿載、250 mm氣隙時效率約可達95%。

This thesis focuses on the analysis, design and implementation of wireless power transfer (WPT) system with bidirectional power transfer capability for electric vehicle charging and vehicle-to-grid (V2G) application based on series-series resonant compensation topology. Firstly, a brief introduction to basic principles of WPT is given and the equivalent circuit models of loosely coupled coils for WPT application are reviewed and analyzed. Then the characteristics of series-series compensated WPT system at different operating points are analyzed.

A design method that can guarantee reliable operation of series-series compensated WPT system under given coupling coefficient variation range, load range and allowed operating frequency range is proposed in this thesis. Finally, a prototype 3 kW WPT system with bidirectional power transfer capability is built and tested. The prototype efficiency is 96% under full load and 210 mm coil separation and 95% under full load and 250 mm coil separation.

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