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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/8498


    Title: 市電與太陽光電能單級直流並聯供電系統
    Single-Stage DC Power Supply by Paralleling the Utility and a Photovoltaic System at DC Side
    Authors: 范奕超(Yi-Chao Fan)
    李天鵬(Ting-Peng Lee)
    郭書瑋(Shu-Wei Kuo)
    羅有綱(Yu-Kang Lo)
    邱煌仁(Huang-Jen Chiu)
    Keywords: 最大功率追蹤
    功率因數修正
    市電並聯
    Maximum Power Point Tracking
    Parallel-Connected Utility
    Power Factor Correction
    Date: 2008-09-05
    Issue Date: 2010-02-12 10:18:28 (UTC+8)
    Abstract: 本文主旨為研究太陽能光電系統與市電經功率因數修正
    器之直流電壓並聯,基於原有的市電與太陽能電池直流並聯供
    電系統[1]中,在最大功率追蹤器後端仍需串聯一級DC/DC 轉
    換器,才可與直流市電並聯,由於多串聯一級轉換器即會造成
    多一級的損失,不符合現今高效率、低損耗的要求,所以本文
    將以原有的市電與太陽能電池直流並聯供電統為基礎,進一步
    探討市電與太陽能電池單級直流並聯供電之條件。在市電與太
    陽能電池單級直流並聯系統中,太陽能最大功率追蹤器與功率
    因數修正器將延續原有兩級直流並聯系統中的架構與控制模
    式,只改變太陽能電池模組的輸出端電壓,以及測試與常用直
    流市電電壓並聯,進而歸納整理出單級直流並聯之相關條件。
    最後經實驗證明單級直流並聯系統,除了可與直流市電並聯之
    外,同時並可將太陽能之最大功率輸出至負載,達到高效率節
    能的目的。
    This thesis focuses on the research study of a DC power
    system fed by utility with a power factor corrector (PFC) and a
    photovoltaic (PV) system parallel-connected at DC side. In
    conventional system, an additional DC/DC converter is required
    following the maximum power point tracking (MPPT) circuit in
    order to be parallel-connected with the PFC. This additional stage
    will increase the system power loss, thus cause this approach
    improper for high efficiency and low power loss requirements.
    Therefore, this thesis will, based on the basic methodology of the
    existing one, propose and study a single-stage DC power supply
    system by paralleling the utility-PFC and the PV system at DC
    side.The topology and control method for MPPT and PFC are
    discussed. The output port of the PV system is connected to the
    output of the PFC at different voltage levels. Then, the operating
    conditions for the presented single-stage DC power supply system
    are deduced and analyzed. Experimental results show the
    feasibility of the proposed single-stage topology, which can
    effectively transfer the tracked maximum power from the PV
    system to the load.
    Relation: 台灣電子電力研討會暨展覽會
    Appears in Collections:[電機工程系所 ] 2008第七屆台灣電力電子研討會暨展覽會

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