臺灣博碩士論文加值系統

本文提出一個多繞組反馳式雙向轉換器應用於太陽能系統上，前級為
太陽能最大功率追蹤電路結合反馳式雙向轉換器充放電電路，而後級使用
多階換流器完成整個系統架構。
多繞組反馳式雙向轉換器充放電電路和太陽能最大功率追蹤電路做結
合，在太陽能板正常運作時，多餘的能量可對蓄電池進行充電，而當太陽
能板一塊或一塊以上故障時，則由蓄電池經由多繞組反馳式雙向轉換器對
後級多階換流器進行供電，而不影響到換流器的運作。
一般一組太陽能最大功率追蹤電路搭配一組蓄電池組，而本文所提出
的多繞組反馳式雙向轉換器則可以使用一組蓄電池組搭配多組太陽能最大
功率追蹤電路，在蓄電池的使用數量上可以降低。而電池的使用上，則可
以針對不同的負載需求來搭配使用。此外，在電池充電方式上，本論文經
由雙向轉換器對蓄電池進行交錯式充電，以避免輸入功率不平衡的問題。
上述功能的實現皆使用德儀公司所生產的 TMS320LF2407A 數位訊號
處理器，將多繞組反馳式雙向充放電電路和太陽能最大功率追蹤電路與多
階換流器做完整的數位化系統整合。

This thesis presented a multiple-winding bidirectional flyback converter which is used in the solar power system. In the preceding stage of the system, it was a bidirectional flyback charge/discharge circuit combined with the maximum-power-point tracking circuit of the solar energy. In the succeeding stage, it was the multilevel inverter system. The two stages were integrated to complete the overall system frame.
The multiple-winding bidirectional flyback charge/discharge circuit is combined with the maximum-power-point tracking circuit of the solar energy. In the normal operation of solar panels, the energy can be charged to the battery module. When one or more solar panels are out of order, the battery module supplies the energy to the inverter through the bidirectional flyback converter without affecting the operation of the inverter.
Generally, one solar energy maximum-power-point tracking circuit is with one battery module. So more tracking circuits need more battery modules. However, for the multiple-winding bidirectional flyback converter presented in this thesis, it uses only one battery module and can be applied to the multiple solar energy maximum-power-point tracking circuits. As for the number of battery in one module, it can be set according to different load requirement. Furthermore, for the charge way of battery, the interleaved energy charge method used by the bidirectional flyback converter is proposed in this thesis.
All the above mentioned functions are realized with TI Company’s TMS320LF2407A digit signal processor to integrate the complete system.

中文摘要 ------------------------------------------------------------ i
英文摘要 ------------------------------------------------------------ ii
致謝 ------------------------------------------------------------ iv
目錄 ------------------------------------------------------------ v
表目錄 ------------------------------------------------------------ vii
圖目錄 ------------------------------------------------------------ viii
符號說明 ------------------------------------------------------------ xi
第一章 緒論------------------------------------------------------ 1
1.1 研究背景與目的---------------------------------------- 1
1.2 文獻回顧------------------------------------------------- 1
1.3 內容大綱------------------------------------------------- 2
第二章 太陽能發電系統與鉛酸電池特性簡介--------------- 3
2.1 前言------------------------------------------------------ 3
2.2 太陽能電池特性介紹---------------------------------- 3
2.3 最大功率追蹤控制法---------------------------------- 7
2.3.1 擾動與觀察法------------------------------------------- 8
2.4 鉛酸電池------------------------------------------------- 9
2.4.1 鉛酸電池化學反應------------------------------------- 9
2.4.2 鉛酸電池之特性---------------------------------------- 10
2.4.3 鉛酸電池充電方式------------------------------------- 11
第三章 多階換流器的架構與原理分析------------------------ 16
3.1 前言------------------------------------------------------ 16
3.2 階數的定義---------------------------------------------- 16
3.3 Cascaded多階換流器---------------------------------- 17
3.4 換流器調變技術------------------------------------------ 19
3.4.1 正弦脈寬調變--------------------------------------------- 19
3.4.2 多階空間向量脈寬調變--------------------------------- 20
3.4.3 D-Q垂直軸觀念------------------------------------------ 21
第四章 系統架構原理分析--------------------------------------- 23
4.1 前言------------------------------------------------------ 23
4.2 系統架構------------------------------------------------- 23
4.3 DC-DC雙向轉換器-------------------------------------- 24
4.3.1 非隔離型雙向轉換器------------------------------------ 24
4.3.2 單向激磁隔離型雙向轉換器--------------------------- 25
4.3.3 雙向激磁隔離型雙向轉換器--------------------------- 26
4.4 多組反馳式雙向轉換器--------------------------------- 27
4.4.1 連續導通模式(CCM)------------------------------------- 31
4.4.2 CCM/DCM之邊界條件---------------------------------- 33
4.4.3 不連續導通模式(DCM)---------------------------------- 35
4.4.4 高頻變壓器設計---------------------------------------- 37
第五章 系統整合與實驗結果------------------------------------ 43
5.1 前言--------------------------------------------------------- 43
5.2 軟體設計流程--------------------------------------------- 43
5.3 實驗波形--------------------------------------------------- 45
5.3.1 雙向轉換器之模擬波形與實驗結果------------------ 46
5.3.2 蓄電池充電之實驗波形--------------------------------- 50
5.3.3 多階換流器之實驗波形--------------------------------- 54
第六章 結論與未來建議------------------------------------------ 66
6.1 結論--------------------------------------------------------- 66
6.2 未來建議--------------------------------------------------- 66
參考文獻 ------------------------------------------------------------ 68
作者簡介 ------------------------------------------------------------ 71

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