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研究生: 李天鵬
Ting-peng Lee
論文名稱: 市電併聯太陽能光電供電系統之研究
Study of Grid-Connected Photovoltaic Power Supply Systems
指導教授: 羅有綱
Yu-Kang Lo
邱煌仁
Huang-Jen Chiu
口試委員: 劉昌煥
Chang-Huan Liu
潘晴財
Ching-Tsai Pan
陳建富
Jiann-Fuh Chen
梁從主
Tsorng-Juu Liang
學位類別: 博士
Doctor
系所名稱: 電資學院 - 電子工程系
Department of Electronic and Computer Engineering
論文出版年: 2010
畢業學年度: 98
語文別: 中文
論文頁數: 125
中文關鍵詞: 直流併網太陽能系統最大功率追蹤功率因數修正器交流併網太陽能系統單級全橋式換流器
外文關鍵詞: DC-connected Photovoltaic System, Maximum Power Point Tracking, Power Factor Corrector, AC-connected Photovoltaic System, Single-stage Full-bridge Inverter
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  • 本論文主要研究與發展兩種新型太陽能光電市電併聯系統:第一種太陽能系統係透過功率因數修正器和市電系統進行併聯供電,藉由調整功率因數修正器之輸出電壓,達到直流市電併聯系統之電力潮流平衡。除了可將太陽能最大功率傳輸至直流負載端,同時可在交流市電端獲得單位功率因數輸入。由於架構簡單與控制容易,故此直流市電併聯系統具有高可靠度與低成本之優點。
    傳統交流市電併聯架構,係由最大功率追蹤之直流/直流轉換器串接供應交流電壓輸出之直流/交流轉換器所構成,而單級架構則是整合上述兩級架構,故本論文提出第二種太陽能系統,其具有太陽能最大功率追蹤之單級全橋式換流器。此簡單的單級架構,除了可達到高太陽能最大功率追蹤之準確度與高系統轉換效率之外,較於傳統二級架構來說,更具有高功率密度、架構簡單、低電路成本之優點。
    本論文將詳細說明與分析所提出之直流與交流市電併聯系統之工作原理與設計流程,並實現與測試本文提出之實驗雛型架構,並將其實驗結果來驗證其系統之可行性。


    This dissertation aims to study and develop two novel grid-connected photovoltaic (PV) systems. The first PV system is parallel-connected to an electric power grid with a power factor corrector (PFC) for supplying DC loads. The balanced distribution of the power flow between the utility and the PV panels is achieved automatically by regulating the output DC voltage of the PFC. The proposed topology, which can effectively transfer the tracked maximum power from the PV system to the DC load, while the unity power factor is obtained at the utility side. The DC-connected Photovoltaic system has the advantages of high reliability and low cost due to its simple topology and easy control.
    The conventional AC-connected photovoltaic system consists of a DC/DC converter for tracking the MPP of the photovoltaic panels and a DC/AC inverter for supply AC voltage output. An interesting alternative solution is the application of a single-stage topology. Thus, this dissertation also presents the second PV system that is a single-stage full-bridge inverter topology with maximum power point tracking (MPPT) function. High MPPT accuracy and high conversion efficiency can be achieved by using a simple single-stage configuration. The advantages of the single-stage topology are a high power density, simple configuration and low circuit cost compared with the conventional two-stage structure. The operation principles and design considerations of the proposed DC and AC grid-connected PV systems are discussed and analyzed in details. The laboratory prototypes are implemented and tested. The experimental results are shown to verify the feasibility of the studied schemes.

    摘要 Abstract 誌謝 目錄 圖目錄 表目錄 符號索引 第一章 緒論 1.1 研究動機 1.2 研究方法與目的 1.3 內容大綱 第二章 太陽能電池介紹 2.1 前言 2.2 太陽能電池簡介 2.3 太陽能電池電氣特性 第三章 直流併聯市電系統 3.1 主電路架構 3.2 直流併聯控制策略分析 3.3 設計考量與實測結果 第四章 交流併聯市電系統 4.1 主電路架構 4.2 交流併聯控制策略分析 4.3 設計考量與實測結果 第五章 總結與未來展望 5.1 結論 5.2 未來展望 參考文獻

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