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研究生:陳永霖
研究生(外文):CHEN, YUNG-LIN
論文名稱:高效率五階太陽能發電系統
論文名稱(外文):High Efficiency Five-Level Solar Power Generation System
指導教授:吳晉昌
指導教授(外文):WU, JINN-CHANG
口試委員:周宏亮黃世杰
口試委員(外文):JOU, HURING-LIAHNGHUANG, SHYH-JIER
口試日期:2017-07-05
學位類別:碩士
校院名稱:國立高雄海洋科技大學
系所名稱:微電子工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2017
畢業學年度:105
語文別:中文
論文頁數:68
中文關鍵詞:五階直流-交流電能轉換器太陽能發電電能轉換
外文關鍵詞:five-level DC-AC invertersolar power generationpower conversion
相關次數:
  • 被引用被引用:1
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  • 下載下載:22
  • 收藏至我的研究室書目清單書目收藏:0
本論文發展一新型高效率五階太陽能發電系統,其由太陽能電池陣列、直流-直流電能轉換器與新型五階直流-交流電能轉換器組成。直流-直流電能轉換器採用升壓式轉換器,直流-直流電能轉換器僅在市電電壓大於太陽能電池陣列電壓時才運作。新型五階直流-交流電能轉換器由電壓選擇電路與全橋式直流-交流電能轉換器組成,電壓選擇電路由一個快速二極體及一個電力電子開關組成,電壓選擇電路用以選擇全橋式直流-交流電能轉換器之直流匯流排連接至直流-直流電能轉換器之輸出或太陽能電池陣列,因此電壓選擇電路產生兩階直流電壓輸出至全橋式直流-交流電能轉換器,藉由全橋式直流-交流電能轉換器可以進一步將其轉換成具有五階變化之交流電壓,並且控制輸出電流為一與市電電壓同相位之弦波電流。本論文所發展新型高效率太陽能發電系統僅由六個電力電子開關組成,因此電路架構簡單,且部分太陽能電池輸出功率只經由新型五階直流-交流電能轉換器轉換,可有效的提高太陽能發電系統效率,本論文並發展一電路雛型以驗證其功能。
This thesis proposes a new high-efficiency solar power generation system. The proposed high-efficiency solar power generation system is composed of a solar cell array, a DC-DC power converter and a new five-level DC-AC inverter. A boost power converter is applied for the DC-DC power converter, and it is only operated when the magnitude of the grid voltage is greater than the voltage of solar cell array. The new five-level DC-AC inverter is composed of a selection switch set and a full-bridge DC-AC power converter. The selection switch set is composed of a fast diode and a power electronic switch, and it determines the DC bus of full-bridge DC-AC power converter connecting to the solar cell array or the output of the boost power converter. Accordingly, the selection switch set will generate a two-level DC voltage supplying to the full-bridge DC-AC power converter, and the two-level DC voltage is further converted to a five-level AC voltage through the full-bridge DC-AC power converter. The output current of solar power generation system is controlled to be sinusoidal and in phase with the grid voltage. Since the proposed high-efficiency solar power generation system contains only six power electronic switches, the circuit configuration is simplified. In addition, partial power from the solar cell array is converted to AC power using only the new five-level DC-AC inverter, so the power efficiency is increased. A prototype is developed to validate the performance of new high-efficiency solar power generation system.
目錄
摘要 I
Abstract II
誌謝 III
圖目錄 VII
表目錄 XI
第一章 緒論 1
1-1 前言 1
1-2 研究目的 2
1-3 論文大綱 3
第二章 太陽能發電系統 4
2-1 太陽能電池之特性 [8] 4
2-1-1 最大功率追蹤 [7] 6
2-1-2 擾動觀察法 [9] 6
2-1-3 電壓回授法 [10] 7
2-1-4 增量電導法 [11] 7
2-2 電能轉換介面 9
2-2-1 半橋式直流-交流電能轉換器 [12] 9
2-2-2 全橋式直流-交流電能轉換器 [12] 11
(A) 雙極性脈波寬度調變 12
(B) 單極性脈波寬度調變 14
2-3 傳統多階直流-交流電能轉換器 15
2-3-1 基本二極體箝位式電能轉換器 15
2-3-2 基本飛輪電容式電能轉換器 17
2-3-3 五階二極體箝位式電能轉換器 19
2-3-4 五階飛輪電容式電能轉換器 22
2-3-5 五階橋式疊接式電能轉換器 25
第三章 新型太陽能發電系統 29
3-1 太陽能發電系統 29
3-2 新型五階直流-交流電能轉換器 30
3-2-1 新型五階直流-交流電能轉換器操作原理 30
3-2-2 新型五階直流-交流電能轉換器控制方塊 36
3-3 直流-直流電能轉換器 [12] 38
3-3-1 直流-直流電能轉換器之操作原理 38
3-3-2 直流-直流電能轉換器之控制方塊 39
3-4 最大功率追蹤 40
第四章 硬體電路 42
4-1 類比週邊電路 42
4-1-1 電流檢測電路 43
4-1-2 電壓檢測電路 [22] 43
4-1-3 市電電壓檢測電路 44
4-1-4 驅動電路 45
4-1-5 濾波電路 [22] [23] 45
(A) 帶拒濾波器(Band-Reject Filter) 46
(B) 帶通濾波器(Band-Pass Filter) 47
4-2 數位訊號控制器 48
4-2-1 TMDSDOCK28069 48
4-2-2 比例積分(PI)控制器 48
4-2-3 鎖相程式 49
4-2-4 太陽能發電系統之控制程式流程 50
第五章 實驗結果 52
5-1 新型五階直流-交流電能轉換器實測結果 53
5-2 直流-直流電能轉換器實測結果 58
5-3 最大功率追蹤實測結果 60
5-4 效率實測結果 61
第六章 結論與未來展望 63
6-1 結論 63
6-2 未來展望 64
參考資料 66


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