臺灣博碩士論文加值系統

交流-直流電能之轉換已廣泛地應用於電子設備作為電源供應及蓄電池充電，本論文將發展一以七階交流-直流電力轉換器為基礎之電池充電器，此電池充電器由七階交流-直流電力轉換器與雙輸入降壓式電力轉換器組成，而七階交流-直流電力轉換器則包含一個雙升壓式電力轉換器與一個整流器，雙升壓式電力轉換器利用兩個呈倍數關係之直流電壓配合電力電子開關之切換，可在整流器直流輸入端產生四階直流電壓，而在整流器之交流輸入端則可形成一七階交流電壓，由於交流輸入端電壓之階數增加，七階交流-直流電力轉換器可降低切換損失，減小濾波器及電磁干擾濾波器，且控制輸入電流為與市電電壓同相位之弦波電流，降低諧波，並達成單位輸入功因，此外，本論文所發展之七階交流-直流電力轉換器僅使用兩個電力電子開關，可簡化電力電路及控制電路。而雙輸入降壓式電力轉換器則控制雙升壓式轉換器之兩個輸出電壓成倍數關係，並整合雙升壓式轉換器之兩個輸出電壓成直流輸出電力對蓄電池組充電。本論文並將完成以數位信號處理器晶片與複雜可程式規劃邏輯晶片為控制器之硬體雛型，以驗證其功能。

AC-DC power conversion has been widely used in the applications of electronic equipment for supplying electric power and battery charger. In this thesis, a seven-level AC-DC power converter based battery charger, composed of a seven-level AC-DC power converter and a dual-input buck power converter, is developed. The seven-level AC-DC power converter is configured by a diode rectifier and a dual-boost power converter. The output voltages of dual-boost power converter are controlled to be multiple relationships. By controlling the power electronics, the dual-boost power converter will generate a four-level DC voltage at the output dc terminals of diode rectifier. Accordingly, the voltage at the input AC terminals of diode rectifier is an AC voltage with seven levels. Since the level of the input AC voltage is increased, the switching power loss is reduced. In addition, the input filter and the electromagnetic interference (EMI) filter are reduced. The input current of seven-level AC-DC power converter is controlled to be sinusoidal and in phase with the utility voltage, it performs the harmonic suppression and unity power factor. Only two power electronic switches are used in the seven-level AC-DC power converter, both the power circuit and the control circuit are simplified. The dual-input buck power converter is used to regulate the output voltages of dual-boost power converter with multiple relationships and generate an output power to charge the battery set. A hardware prototype based on the control chips of digital signal processor (DSP) and complex programmable logic device (CPLD) will be developed to verify the performance of the proposed seven-level AC-DC power converter based battery charger.

摘要
Abstract
目錄
圖目錄
表目錄
符號說明
第一章 緒論
1-1 前言
1-2研究動機與目標
1-3 論文大綱
第二章 交流-直流整流器
2-1二極體整流器
2-2主動功因修正器
2-3單相全橋式電力轉換器
2-3-1雙極性切換
2-3-2單極性切換
2-4多階交流-直流整流器
2-4-1全橋疊接式電力轉換器
2-4-2多階飛輪式電力轉換器
2-4-3多階二極體箝位式電力轉換器
2-4-4多階式電力轉換器之模擬結果
第三章 以七階交流-直流電力轉換器為基礎之電池充電器
3-1七階電池充電系統
3-2七階交流-直流電力轉換器
3-2-1操作原理
3-2-2七階交流-直流電力轉換器之控制方塊
3-3雙輸入降壓電力轉換器
3-3-1雙輸入降壓電力轉換器之操作原理
3-3-2雙輸入降壓電力轉換器之控制方塊
第四章 硬體雛型
4-1周邊硬體電路
4-1-1直流電壓感測
4-1-2電流感測
4-1-2交流電源電壓感測
4-1-3驅動電路
4-2數位控制器
4-2-1控制器主程式流程
4-2-2七階交流/直流電力轉換器控制程式流程
4-2-3雙降壓式電力轉換器控制程式流程
4-2-4 CPLD晶片之控制方塊
第五章 實驗結果與討論
5-1以七階交流-直流轉換器為基礎之電池充電器之元件規格
5-2以七階交流-直流轉換器為基礎之電池充電器之實測結果
第六章 結論與未來研究方向
6-1總結
6-2未來研究方向
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