臺灣博碩士論文加值系統

太陽能電池板等效電路模型加入寄生電容可解釋輸出電壓、電流間相位偏移的現象，並可用以模擬太陽能電池板操作時之動態特性。本文提出等效電路模型參數推導方法，利用太陽能電池板連接升壓轉換器，抽取漣波電流，於執行最大功率追蹤時，藉由取得五個操作點數據，簡易地推導參數。其中，開路電壓、最大功率、短路電流三個操作點用來推導靜態等效電路模型參數。至於太陽能電池板寄生電容方程式，則在太陽能電池板輸出電壓低於等效電路模型中二極體之臨界電壓時，任意選取兩操作點推導其變化。當照度發生變化，等效電路模型可依變化前後的短路電流比例調整參數。實驗結果顯示，以此方法推導出之等效電路模型模擬太陽能電池板操作，不論於靜態、輸出含有漣波電流之V-I特性及操作時產生之暫態變化，皆與太陽能電池板實際輸出情況相符。

For a photovoltaic (PV) panel, an equivalent circuit with an additional parasitic capacitance on the conventionally used single-diode static model can be used to interpret the phase deviation between the output voltage and current and to simulate the dynamic characteristics. The parameters of the equivalent circuit can be derived simply from five test points when a boost converter is attached to the PV panel for maximum power point tracking (MPPT) drawing a rippled current. The circuit parameters of the static model are calculated from the open-circuit voltage, the maximum power, and the short-circuit current, which can be rapidly obtained by operating the boost converter at a designated ripple current. An equation to account for the variation of the parasitic capacitance can be derived from two arbitrary operation points with voltages less than the diode threshold voltage of the PV panel. The circuit parameters for different irradiations can be obtained from the ratio of the short circuit current to the pre-known short-circuit current. Experimental results have confirmed that fitness of the equivalent circuit model with parameter identification and demonstrated that it can be used for simulating the transient behaviors of a PV panel with a rippled current.

目錄
摘要 i
Abstract ii
目錄 iii
圖目錄 v
表目錄 viii
第一章 緒論 1
1-1 研究背景與動機 1
1-2 論文大綱 3
第二章 太陽能電池板概述 4
2-1 太陽能電池板基本架構 4
2-2 太陽能電池板特性簡介 6
2-3 太陽能電池板系統 10
2-4 漣波電流對太陽能電池板之影響 11
第三章 太陽能電池板等效電路模型 15
3-1 靜態等效電路模型 15
3-2 含寄生電容之等效電路模型 17
3-3 等效電路模型在不同照度下之參數變化 22
第四章 太陽能電池板等效電路模型參數推導實例 25
4-1 實驗系統 25
4-2 等效電路模型參數推導流程 31
4-3 等效電路模型參數推導實驗 33
4-4 曲線模擬與實際量測 35
4-5 暫態模擬與實際量測 45
第五章 結論與未來研究方向 51
5-1 結論 51
5-2 未來研究方向 52
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