臺灣博碩士論文加值系統

摘要
本論文以降昇壓式轉換器為基礎研製一電池電源模組(Battery Power Module, BPM)串聯架構，進行充電研究。在此架構中，各模組與充電器連結，經由適當的控制策略，達到良好的充電效果。充電策略依據各電池當前電量及電壓，調配各模組之充電電流，擬定各BPM操作模式，完成充電之目的。
本研究針對磷酸鋰鐵電池研製4組串聯BPM，使用微處理器作為控制核心，進行電池電量累計及電壓偵測，改變開關導通率以分配各模組所需之充電電流。經實驗驗證此設計具有良好的充電能力，可避免電池過度充電，並當電池異常時，隔離異常狀態之電池組，同時不影響系統正常運作。

Battery power modules (BPMs) with bidirectional buck-boost converters, which are connected in series, are operated interactively but substantially can be controlled individually for either charging or discharging. During the charging process, the battery currents can be scheduled by adjusting the duty-ratios of the associated buck-boost converters. To fully utilize the charger’s capacity, several charging scenarios are proposed according to the state of charges (SOCs) of the batteries under the limitations of the charger’s power and current.
To demonstrate the feasibility and capability of the charging scenarios, a battery power system formed by 4 serial buck-boost type BPMs is built and tested. A microcontroller is used for estimating the battery SOCs, and then scheduling the battery currents accordingly. Experimental results show the effectiveness of the charging scenarios.

目錄
論文審定書 i
中文摘要 ii
英文摘要 iii
目錄 iv
圖表目錄 vi
第一章 緒論 1
1-1 研究背景 1
1-2 研究動機 1
1-3 論文大綱 5
第二章 電池電源模組串聯架構 7
2-1 降昇壓式電池電源模組串聯架構 7
2-2 連續導通模式 10
2-3 不連續導通模式 13
2-4 平均相位移控制 15
2-5 電池充電控制電路規劃 16
2-5-1 單晶片PIC18F4520 17
2-5-2 電壓偵測電路 18
2-5-3 電流偵測電路 18
2-5-4 開關驅動電路 20
第三章 串聯模組充電策略 21
3-1 定電流及定電壓充電法 21
3-2充電策略規劃 22
第四章 電池電源模組充電實驗量測 32
4-1 系統參數設定 32
4-2 充電器具電流限制之充電實驗 34
4-3 充電器具功率限制之充電實驗 39
第五章 結論與未來展望 43
5-1 結論 43
5-2 未來研究方向 44
參考文獻 45

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