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姓名 劉政諺(Cheng-yen Liu) 查詢紙本館藏 畢業系所 電機工程學系 論文名稱 以半區間法為基礎之最大功率追蹤技術於能源轉換系統之設計
(Interval Halving Method for the Maximum Power Point Tracking Technology in the Design of Energy Conversion System)相關論文 檔案 [Endnote RIS 格式]
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摘要(中) 本文中,實現昇壓轉換器與單相全橋變流器之硬體製作,並以併聯型太陽能模式探討最大功率追蹤的控制使得再生能源發電有最大的輸入功率,第一級利用PWM來驅動昇壓轉換器中的IGBT達到昇壓之效果,並提出以半區間法為基礎,利用輸出功率與輸出電壓關係曲線(P-V曲線)來追蹤太陽能模組之功率峰值並與傳統常見最大功率演算法作比較,藉此顯現出其優點與特色。第二級為單相全橋變流器,透過SPWM來驅動變流器中4顆IGBT以及LC元件將直流電轉變成接近60Hz之正弦波,再透過單相市電併聯之電流預測控制策略來達到市電併聯之目的,使用電力量測儀量測其電力品質中的總諧波電壓失真率、總諧波電流失真率以及功率因數進而符合IEEE Std.1547規範以及台灣電力公司再生能源發電系統併聯技術要點。 而在硬體電路設計方面,包含脈波寬度調變電路、電壓電流回授電路、獨立穩壓電源電路等利用Altium Designer軟體。本論文在最大功率追縱控制與市電併聯控制策略上,配合使用MATLAB/Simulink程式完成控制,進而實現該再生能轉換系統之設計。 摘要(英) In this thesis practiced the hardware production of boost converter and single-phase full bridge inverter. With the type of grid-connected discuss maximum power point tracking made renewable energy generations have the maximum input power. First stage uses PWM to drive IGBT achieve the effect of boost from boost converter and then provided interval halving method utilize the output power and output voltage curve (PV curve) to track the solar modules power of peak and compared traditional maximum power point tracking algorithms displays its advantages and characteristics. Second stage is single-phase full bridge inverter uses SPWM to drive four IGBTs and LC components make DC turn into 60Hz of sine wave and then grid-connected accomplished by the current prediction control strategy, electric power measuring instrument measure its total harmonic distortion voltage, total harmonic distortion current and power factor and so on comply with the requirements of IEEE Std.1547 standard and TPC Renewable Energy Power Systemgrid-connected code. In the hardware circuits design include pulse width modulation circuit, voltage and current feedback circuit, independent power supply circuit and so on by Altium Designer software. For maximum power tracking algorithm and grid-connected control strategy use MATLAB-Simulink software practiced to achieve the renewable energy conversion system completely in this thesis. 關鍵字(中) ★ 最大功率追蹤
★ 半區間法
★ 市電併聯關鍵字(英) 論文目次 目錄 論文摘要 ..................................................................................................... I
Abstract ...................................................................................................... II
致謝..........................................................................................................III
目錄 .......................................................................................................... IV
圖目錄 .................................................................................................... VIII
表目錄………………………………………………………………....XV
第一章 緒論............................................................................................... 1
1.1 研究背景與動機 ............................................................................ 1
1.2 文獻探討 ........................................................................................ 6
1.3 論文大綱 ........................................................................................ 7
第二章 太陽能電池供電系統 .................................................................. 8
2.1 基本介紹及太陽能發電原理 ........................................................ 8
2.2 太陽能電池等效電路 .................................................................. 11
2.3 太陽能電池系統級介紹.............................................................. 15
第三章 最大功率追蹤技術 .................................................................... 18
3-1 擾動觀察法 .................................................................................. 18
3.2 增量電導法 .................................................................................. 21
3.3 電壓回授法 .................................................................................. 24
3.4 功率回授法 .................................................................................. 25
3.5 直線逼近法 .................................................................................. 26
3.6 徑向基底類神經網路法 .............................................................. 27
第四章 能源轉換系統之設計 ................................................................ 32
4.1 昇壓轉換器 .................................................................................. 32
4.2 單相全橋換流器 .......................................................................... 39
4.3 半區間法於最大功率追蹤之應用 .............................................. 43
4.4 單相市電併網控制策略 .............................................................. 50
4.5 三相市電併網控制策略 .............................................................. 53
4.6 硬體規劃 ...................................................................................... 57
4.6.1 穩壓電路...................................................................................................... 57
4.6.2 脈波寬度調變電路 .................................................................................. 58
4.6.3 閘極驅動級電路 ....................................................................................... 60
4.6.4 電壓回授電路 ............................................................................................ 62
4.6.5 電流回授電路 ........................................................................................... 63
4.6.6 弦式脈波寬度調變電路....................................................................... 64
4.6.7 繼電器驅動電路 ...................................................................................... 65
第五章 實驗結果 .................................................................................... 66
5-1硬體電路設備 ............................................................................... 67
5-2 最大功率實驗結果 ...................................................................... 74
5.2.1 擾動觀察法實驗結果 ............................................................................ 75
5.2.2 增量電導法實驗結果 ............................................................................ 79
5.2.3 電壓回授法實驗結果 ............................................................................ 83
5.2.4 功率回授法實驗結果 ............................................................................ 87
5.2.5 半區間法實驗結果 ................................................................................. 91
5.2.6 模擬撥雲見日實驗結果....................................................................... 96
5-3 單相市電併聯結果 .................................................................... 102
5.3.1擾動觀察法市電併聯電力品質實驗結果 .................................. 107
5.3.2 增量電導法市電併聯電力品質分析實驗結果 ....................... 109
5.3.3電壓回授法市電併聯電力品質分析實驗結果 ........................ 111
5.3.4功率回授法市電併聯電力品質分析實驗結果 ........................ 113
5.3.5半區間法市電併聯電力品質分析實驗結果 ............................. 115
第六章 結論與未來發展 ...................................................................... 119
6.1 結論 ............................................................................................ 119
6.2未來發展 ..................................................................................... 120
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