臺灣博碩士論文加值系統

本文提出了應用改良型整流法於串聯電池組之電量平衡，此電量平衡器只需一顆主動開關，並且不需要額外的電壓感測電路以簡化控制上的複雜度，因此可以大幅提升整體電路之可靠度。此外，主動開關能達到零電壓切換，減少切換損失進而提升電路效率。全波倍壓整流法應用於Class-E換流器上會出現奇數號和偶數號電池電壓無法達到收斂的情形，因此本文提出兩種改良型整流法重新分配電池之能量來降低存在於奇數號和偶數號電池間的電壓差。除此之外，本文所提出的整流法和其他常用的整流法相比也具有較少的二極體和變壓器繞組數量，可以有效減少成本、元件數量及電路複雜度。電路的架構和操作分析均有詳細描述，最後使用四組磷酸鋰鐵電池模組進行電量平衡實驗測試，以驗證本文提出的電量平衡器之平衡特性。

Two modified rectifications for improving the charge equalization performance of series-connected batteries are proposed in this thesis. Not only high reliability can be achieved because only one power switch is required, but also the control circuit is simple due to no voltage sensors. In addition, high efficiency can be achieved because of zero-voltage-switching (ZVS). In this thesis, two modified rectifications are presented to eliminate the voltage differences between the odd and even batteries, which are not removed by the conventional methods, and reduce the number of transformer windings and diodes. Therefore, the cost, size and complexity of the system can be reduced. The circuit topology and operation analysis of the proposed equalizer are described in detail. Finally, the simulations and experimental results are provided to demonstrate the performance of the proposed charge equalizer.

摘要 i
Abstract ii
致謝 iii
圖目錄 v
表目錄 vii
第一章 緒論 1
1.1研究背景 1
1.2研究動機 3
1.3論文大綱 3
第二章 電量平衡電路架構探討 4
2.1被動式平衡架構 4
2.2主動式平衡架構 5
第三章 電路架構分析與設計 16
3.1操作模式分析 18
3.2模擬波形 27
3.3參數設計 30
第四章 實驗結果 38
4.1電路關鍵波形量測 38
4.2串聯電池組平衡測試 42
第五章 結論與未來研究方向 47
5.1結論 47
5.2未來研究方向 48
參考文獻 49

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