臺灣博碩士論文加值系統

本論文發展一寬交流電壓範圍之電池儲能系統，其由直流-直流轉換器及雙直流埠直流-交流轉換器組成。直流-直流轉換器除了可作直流-直流電能轉換外，同時具有蓄電池電流濾波功能，可有效抑制蓄電池組充/放電電流之漣波；而雙直流埠直流-交流轉換器可依市電電壓作三階或五階調變之操作，可在不同市電電壓下得到較高之轉換效率，同時雙直流埠直流-交流轉換器可雙向控制實功與虛功潮流。本論文將以數位訊號處理晶片為控制器完成硬體雛型，以驗證寬交流電壓範圍之電池儲能系統之功能。

This thesis develops a battery energy storage system with a wide AC voltage range. The battery energy storage system is composed of a DC-DC power converter and a dual-DC-port DC-AC power converter. In addition to DC-DC power conversion, the DC-DC power converter also has the function of battery current filtering, which can effectively suppress the low-frequency ripple of the charging/discharging current for the battery set. The dual-DC-port DC-AC power converter can be operated in three-level modulation or five-level modulation according to the grid voltage to achieve higher conversion efficiency under different mains voltages. At the same time, the dual-DC-port DC-AC power converter can control the real and reactive power flows in both directions. This thesis will use the digital signal processor as the controller to complete the hardware prototype to verify the function of the proposed battery energy storage system with a wide AC voltage range.

摘 要 i
誌謝 iii
圖目錄 vi
表目錄 xi
第一章 緒論 1
1-1研究動機與背景 1
1-2研究目的 2
1-3論文大鋼 3
第二章 交流-直流電能轉換介面 4
2-1傳統交流-直流電能轉換器 4
2-2功率因數修正器(PFC) 5
2-3寬交流範圍交流-直流電能轉換器 7
2-3-1雙輸出交流-直流電能轉換器[10] 7
2-3-2具耦合電感交流-直流電能轉換器[11] 8
2-3-3修正T型交流-直流電能轉換器[12] 8
2-4交流-直流電能轉換器之漣波抑制 9
2-4-1直流側並聯濾波器[13]-[15] 10
2-4-2直流側串聯濾波器[16] 11
2-4-3交直流混合式濾波器[17]-[21] 12
2-5多階交流-直流電能轉換器 13
2-5-1二極體箝位式多階電能轉換器[22]-[26] 13
2-5-2飛輪電容式多階電能轉換器[27]-[29] 15
2-5-3全橋疊接式多階電能轉換器[30]-[31] 16
2-5-4多階交流-直流電能轉換器比較 18
第三章 具有寬交流電壓範圍之電池儲能系統 19
3-1電路架構 19
3-2直流-直流轉換器 20
3-3雙直流埠直流-交流轉換器 25
3-3-1三階調變操作原理 25
3-3-2五階調變操作原理 28
3-4控制電路 32
3-4-1直流-直流濾波轉換器之控制方塊圖32
3-4-2雙直流埠直流-交流轉換器之控制方塊圖33
3-5模擬結果 35
3-5-1三階調變之模擬結果 35
3-5-2五階調變之模擬結果 41
3-5-3暫態響應模擬結果 48
第四章 實驗結果 50
4-1寬交流電壓範圍之電池儲能系統三階調變之實測結果 51
4-1-1直流至交流轉換 52
4-1-2交流至直流轉換 55
4-2寬交流電壓範圍之電池儲能系統五階調變之實測結果 57
4-2-1直流至交流轉換 58
4-2-2交流至直流轉換 61
4-3暫態響應實測結果 63
第五章 結論與未來展望 67
5-1結論 67
5-2未來展望 68
參考資料69

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