臺灣博碩士論文加值系統

本論文提出一種新的太陽光電最大功率點追蹤技術，本技術利用太陽光電板的三項物理特性來進行工作點調整：(1)表面溫度增量與日照強度變化正相關；(2)最大功率點左半邊常規化電壓增量大於常規化電流增量；(3)最大功率點右半邊常規化電流增量大於常規化電壓增量。本技術在日照強度激烈變化的情況下亦可正確判斷工作點，以改善傳統技術會產生錯誤判斷的缺點。本技術使太陽光電板的在不同日照強度下均能工作在最大功率點附近，以提高太陽光電板的發電量及提昇整體效率。

This thesis presents a novel maximum power point tracking technique for photovoltaic. The proposed technique adjusts the operating point of a photovoltaic panel based on three physical characteristics of the photovoltaic panel: (a) the incremental surface temperature is positive correlation with the variation of sunlight intensity; (b) the normalized incremental voltage is greater than the normalized incremental current at the left-hand side of the maximum power point; and (c) the normalized incremental current is greater than the normalized incremental voltage at the right-hand side of the maximum power point. The proposed technique can correctly determine the operating point of a photovoltaic panel in rapidly changed irradiation, to improve the misjudgment defect of traditional techniques. The proposed technique enables photovoltaic panels can work close to the maximum power point under different sunlight intensity, to increase the electricity generation and efficiency of photovoltaic panels.

論文摘要...........................................................I
ABSTRACT...........................................................II
誌謝...........................................................III
目錄...........................................................IV
圖目錄...........................................................VI
表目錄...........................................................VIII
第一章 緒論...........................................................1
1.1研究動機...........................................................1
1.2研究背景...........................................................1
1.3研究目的...........................................................3
1.4章節概述...........................................................5
第二章 太陽光電發展簡介......................................................6
2.1太陽光電的介紹...........................................................6
2.2太陽光電的國內發展現況....................................................7
第三章 太陽光電最大功率追蹤之背景..............................................9
3.1前言...........................................................9
3.2演算法的基本原理..........................................................9
3.2.1電壓回授法...........................................................9
3.2.2功率回授法...........................................................10
3.2.3直線近似法...........................................................11
3.2.4擾動觀察法...........................................................12
3.2.5增量電導法...........................................................15
3.2.6實際測量法...........................................................17
3.2.7三點權位法...........................................................18
3.3太陽能光電板設備介紹.....................................................23
3.3.1單晶矽太陽光電........................................................24
3.3.2多晶矽太陽光電........................................................24
第四章 太陽光電系統架構與研究方法.............................................23
4. 1系統架構...........................................................23
4.1.1硬體電路設計..........................................................23
4.1.2介面轉換器...........................................................26
4.1.3溫度感測器...........................................................28
4.1.4單晶矽太陽能光電板.....................................................30
4.2軟體設計...........................................................31
4.3研究方法...........................................................32
第五章 研究成果...........................................................38
第六章 結論與未來展望.......................................................40
6.1結論...........................................................40
6.2未來展望...........................................................41
參考文獻...........................................................42

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