研究生: |
王思凱 Sz-Kai Wang |
---|---|
論文名稱: |
高效能7 kW無線功率傳輸系統之研製 Design and Implementation of High Performance 7 kW Wireless Power Transfer System |
指導教授: |
邱煌仁
Huang-Jen Chiu 林景源 Jing-Yuan Lin 黃仁宏 Peter Huang |
口試委員: |
邱煌仁
Huang-Jen Chiu 林景源 Jing-Yuan Lin 黃仁宏 Peter Huang 謝耀慶 Yao-Ching Hsieh 劉宇晨 Yu-Chen Liu |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2019 |
畢業學年度: | 107 |
語文別: | 中文 |
論文頁數: | 92 |
中文關鍵詞: | 無線功率傳輸 、串聯諧振 、寬範圍輸出電壓 、後置轉換器 |
外文關鍵詞: | Wireless Power Transfer, Series Resonant, Wide Output Voltage, Zero-Voltage-Switching |
相關次數: | 點閱:364 下載:0 |
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本論文主要討論應用於電動車上之高效能7 kW無線功率傳輸電路之操作工作點分析、選擇、設計並實作。本論文將說明無線功率傳輸之種類與基本簡介,並分析非理想變壓器與耦合電感等效模型,接著說明串聯諧振式和LCC諧振式無線功率傳輸之基本原理,進而研究串聯諧振式無線功率傳輸電路在各個操作區間之優劣,同時考量各個操作區間之限制,歸納出適合電路規格之操作方法與操作區間,並針對寬範圍輸出電壓之應用,實際設計一高效能串聯諧振式無線功率傳輸系統。
本論文中將探討串聯諧振式無線功率傳輸系統電路操作區間之優劣並提供一設計流程,該設計流程可確保串聯諧振式無線傳輸系統電路在規格限制下之負載變化範圍與耦合係數變化範圍以內,以定頻率的方式操作,並配合後置轉換器穩定工作。最終完成一高效能7 kW串聯諧振式無線功率傳輸原型機,此原型機在線圈距離170mm時,滿載可達效率97%;在線圈距離210mm時,滿載可達效率96%
This thesis presents a high performance 7 kW wireless power transfer (WPT) system applied on electric vehicle charging, and based on series-series resonant compensation topology. In the beginning, the basic introduction about WPT is illustrated. Equivalent models of non-ideal transformer and coupling inductance are analyzed to simplify the equivalent circuit of resonant tank. In addition, series-series resonant compensation topology and LCC resonant compensation topology are introduced and comparison. Sum up the consideration and application, series-series resonant compensation topology is chosen to be the main structure of WPT. Then, First Harmonic Analysis(FHA) is used to predigest the circuit operation and find out proper operating interval, also choose better control method for the wide output voltage range application.
A design method is proposed that can guarantee output voltage meet the specification with series-series compensated WPT system under given coupling coefficient variation range, load range in this thesis. In order to reduce switching loss on the primary side power switches, the converter is designed and controlled with Zero-Voltage-Switching(ZVS). Finally, a prototype high performance 7 kW WPT system is built and tested. The prototype efficiency is 96% under full load and 170 mm coil distance, and 95% under full load and 210 mm coil distance.
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