臺灣博碩士論文加值系統

本文提出一數位可程式電流脈衝充電器，利用數位信號處理器控制正負電流脈衝，探討不同正負脈衝波形對電池充電效率與溫昇之影響。此數位化具能量回送正負脈衝電池充電器電路架構是以串級電路組成，前級將交流市電整流後以半橋轉換器提供一電壓源，後級為混合式雙向降/升壓型轉換器，利用降壓型轉換器提供電池之正脈衝充電，使用升壓型轉換器提供電池之放電脈衝，並將放電能量儲存於半橋轉換器之輸出電容中。脈衝充電器結合電腦與數位電表，監控並檢測充電與放電過程之電池電壓與溫度，以瞭解正負脈衝電流大小與時序對電池儲能效率與電池溫昇之影響。

A programmable positive/negative pulse battery charger based on digital controller is proposed in this thesis. The proposed circuit topology is constructed by two-cascaded converters. The first converter is an isolated half-bridge converter which provides a voltage source for the charger converter. A bi-directional hybrid buck-boost converter is used to control the pulse current and pulse width. During the positive pulse charging mode, the buck converter supplies the energy to the battery. On the contrary, the battery energy is fed back to the capacitor by the boost converter during the negative pulse discharging mode. The charging and discharging processes are controlled and measured to analyze the factors that may influence the charging efficiency and battery temperature.

目錄
頁數
摘要 Ⅰ
英文摘要 Ⅱ
誌謝 Ⅲ
目錄 Ⅳ
圖目錄 Ⅶ
表目錄 ⅩI
符號表 ⅩⅡ
第一章 緒論 1
1-1研究動機 1
1-2研究背景與目的 2
1-3論文大綱 3
第二章 鉛酸電池之原理與特色 4
2-1鉛酸電池之基本原理 4
2-2密閉式鉛酸電池的結構 4
2-2-1鉛酸電池之優點 6
2-3 鉛酸電池之特性 8
第三章 鉛酸電池充電控制方式 10
3-1定電流充電法 10
3-2定電壓充電法 11
3-3定電流定電壓充電法 12
3-4脈衝充電法 13
3-5 Reflex TM 充電法 14
第四章 系統硬體架構及原理 15
4-1前言 15
4-2數位信號處理器 15
4-3 正負脈衝充電器電路架構 22
4-4半橋式轉換器電路工作原理 26
4-4-1 半橋式轉換器之穩態分析 27
4-5正負脈衝電路工作原理 34
第五章 實際量測結果與討論 40
5-1前言 40
5-2實驗步驟與流程 43
5-3定電流充電與ReflexTM 充電法之比較 44
5-4 ReflexTM充電法波形改變之實驗探討 49
5-5實驗結果與探討 63
第六章 結論與未來研究方向 64
6-1結論 64
6-2未來研究方向 64
參考文獻 65

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