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研究生:吳昇達
研究生(外文):Wu, Sheng-Da
論文名稱:增量電導法最大功率追蹤太陽電池供電升壓型直流-直流轉換系統之非線性現象
論文名稱(外文):Nonlinear Phenomena of Boost DC-DC Converting Solar Cell System with Incremental Conductance Method for MPPT
指導教授:謝飛虎謝飛虎引用關係
指導教授(外文):Hsieh, Fei-Hu
口試委員:謝飛虎吳皇進謝振中
口試委員(外文):Hsieh, Fei-HuWu, Huang-ChinShieh, Jenn-Jong
口試日期:2015-07-23
學位類別:碩士
校院名稱:龍華科技大學
系所名稱:電機工程系碩士班
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:2015
畢業學年度:103
語文別:中文
論文頁數:57
中文關鍵詞:升壓型直流-直流轉換器非線性太陽能電池最大功率點追蹤增量電導法
外文關鍵詞:Boost DC - DC converterNonlinearSolar cellsMaximum power point trackingIncremental conductance method
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近年來,節能減碳是世界的趨勢,而取之不盡用之不竭的太陽能發電更是蓬勃發展,不過目前太陽能的發電效率仍低,如何提高發電效率將是全世界的科學家們研究的目標,最大功率點追蹤(maximum power point tracking , MPPT)就是一種提高效率的方法。現有的最大功率追蹤法較普遍為增量電導法、擾動觀察法及電壓迴授法等等,由於太陽能電池一般輸出電壓較低,故本文選用升壓型直流-直流轉換器作為系統中的轉換器,提升太陽能電池的輸出電壓。
本文研究增量電導法最大功率追蹤太陽電池供電升壓型直流-直流轉換系統中改變負載電阻與參考電流的非線性現象,考慮轉換器操作在電感電流連續導通模式(CCM)下,一開始說明太陽能最大功率追蹤系統及轉換器工作原理,其次建構太陽能增量電導法最大功率追蹤及升壓型直流-直流轉換器的等效電路模型,之後推導出數學模型,再以MATLAB/SIMULINK建模與模擬,透過時域波形圖、相平面圖及分叉圖,探討改變負載電阻與參考電流系統由週期性穩態進入混沌的非線性現象,分析系統的混沌現象演化之機理。

In recent years, carbon reduction is the trend of the world, and inexhaustible solar power is booming. The current efficiency of solar power generation is still low, so to improve the power generation efficiency will be the research objective to scientists all over the world. The maximum power point tracking (MPPT) is a way to improve efficiency. Existing maximum power point tracking method is more common of incremental conductance method, perturbation and observation method and voltage feedback method and so on. Because of the output voltage of the solar cell is lower than the normal one, this thesis choose boost DC - DC converter as the converter system, to enhance the output voltage of the solar cell.
In this thesis the nonlinear phenomena of boost DC-DC converting solar cell system with incremental conductance method for MPPT, varying load resistance and reference current are studied. Considering converter operation in continuous conduction mode (CCM) with inductor current, Firstly the solar cell maximum power tracking system and converter working principle are explained. Secondly, the construction of solar maximum power tracking with incremental conductance method and boost DC - DC converter equivalent circuit model, then mathematical model is derived, and modeled and simulated by MATLAB / SIMULINK software package. Through the time-domain waveforms, phase plane and bifurcation diagrams, to explore the changing the load resistance and the reference current system from a periodic steady-state into the chaos of nonlinear phenomena, chaos evolution mechanism of the system is analyzed.

摘要 i
ABSTRACT ii
誌謝 iv
表目錄 vii
圖目錄 viii
第一章 緒論 1
1.1 研究動機與背景 1
1.2 本論文之貢獻 3
1.3 本論文之組織與架構 3
第二章 混沌與太陽能電池之基本觀念 5
2.1 前言 5
2.2 混沌研究的起源和理論 5
2.2.1 混沌之定義 8
2.2.2 混沌的基本特性 9
2.2.3 常見的混沌分析方法 11
2.2.4 直流-直流轉換器中混沌現象之研究現況 14
2.3 太陽能電池 15
2.3.1 太陽能電池發電原理 15
2.3.2 太陽能電池種類 17
2.3.3 單晶矽太陽能電池 18
2.3.4 多晶矽太陽能電池 19
2.3.5 太陽能電池之數學模型及特性 19
第三章 升壓型直流-直流轉換器與最大功率追蹤增量電導法 24
3.1 前言 24
3.2 升壓型直流-直流轉換器 24
3.2.1 升壓型直流-直流轉換器之原理 24
3.2.2 升壓型直流-直流轉換器之離散解析 28
3.3 增量電導最大功率追蹤演算法 31
第四章 增量電導法最大功率追蹤太陽電池供電升壓型直流-直流轉換系統模擬 35
4.1 前言 35
4.2 應用MATLAB/SIMULINK模擬增量電導法最大功率追蹤太陽電池供電升壓型直流-直流轉換系統 35
4.2.1 改變電阻負載之狀態 38
4.2.2 改變參考電流之狀態 43
4.2.3 增量電導法最大功率追蹤太陽電池供電升壓型直流-直流轉換系統之分叉圖 48
第五章 結論 51
5.1 結論 51
5.2 未來研究方向 51
參考文獻 52
符號表 56

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