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    Title: 太陽能電池最大功率追蹤設計與製作
    Other Titles: Design and Implementation of Photovoltaic System with Maximum Power Point Tracking
    Authors: 蕭瑛東;陳家宏
    Contributors: 淡江大學電機工程學系
    Keywords: 太陽能電池;最大功率追蹤;單晶片轉換器;三點權位比較法;Photovoltaic Cell;Maximum Power Tracking;Single Chip Based Converter;Three Point Weighting Scheme
    Date: 2001-11
    Issue Date: 2014-02-13 11:35:09 (UTC+8)
    Abstract: 本論文提出一應用於太陽能電池的單晶片控制轉換器,以獲得最大功率輸出。由於太陽能電池的輸出特性隨著環境的照度及溫度變化,為獲得最大功率輸出,首先製作一升壓轉換器,於輸入工作週期加入一小擾動量,藉由回授太陽能電池的輸出電壓及電流,計算其前後輸出功率的變化行為,做為調整方向的性能指標,使轉換器的工作週期往最大功率輸出方向調整,達到最大功率追蹤的目的。同時本文提出一“三點權位比較法”,以適當偵測太陽能電池的輸出電壓及電流,比較擾動點附近的功率變化來降低擾動次數以改善不良擾動情形。最後實作一控制系統並以實驗結果證明其有效性。
    This study implement a single chip based converter for photovoltaic(PV) to obtain maximum power. Firstly, the duty cycle of the converteris added a prescribed small disturbance. Then the output voltage andcurrent of the PV are measured and used to calculate the output power.By comparison the output power among successive sampling intervals,one can determine the tendency of the output power, and use it as aperformance index to adjust the duty cycle of the converter to thedirection that can achieve maximum power point tracking. Moreover, athree points weighting scheme is proposed to enhance the performanceon maximum power tracking. The designed converter is introduced inthis paper, and the effectiveness of the proposed methods isdemonstrated by the experimental results.
    Relation: 第二十二屆電力工程研討會論文集(I)=Proceedings of the 22nd Symposium on Electrical Power Engineering(I),頁53-58
    Appears in Collections:[電機工程學系暨研究所] 會議論文

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