A Study on Network Configuration of Distributed Flexible Network PV system

カテゴリ: 部門大会

論文No: 31

グループ名: 【B】平成17年電気学会電力・エネルギー部門大会講演論文集

発行日: 2005/08/10

タイトル(英語): A Study on Network Configuration of Distributed Flexible Network PV system

著者名: Mohamed Dakkak(Osaka University),Kenji Hatori(Osaka University),Yushi Miura(Osaka University),Toshifumi Ise(Osaka University)

著者名(英語): Mohamed Dakkak(Osaka Universtiy),Kenji Hatori(Osaka Universtiy),Yushi Miura(Osaka Universtiy),Toshifumi Ise(Osaka Universtiy)

キーワード: Photovoltaic Generation|Stand-alone system|Network Configuration

要約(日本語): The introduction of Distributed Flexible Network Photovoltaic (DFNPV) system is going towards solving the shortcomings of stand-alone systems in remote areas. Three types of configurations of DFNPV system are studied: star, loop, and mesh. Each configuration has many subsystems, which are assumed to have the similar characteristics and location, and consist of PV panel, dc/dc converter, and DC load.
Comparative study had been carried out from the viewpoint of power losses in wires, wire length, and initial cost. First of all for estimating the size of DFNPV system within acceptable voltage drop, relations between wire length, power loss, wire cost, and cable types are discussed. The problem in DFNPV System is to find the best location of the battery bank from a many viewpoints, minimum extension cost and minimum losses in wires. This paper describes how to optimize the best location of the common battery bank from the viewpoints of the cost of power loss and the extension cost. The results of optimizing configurations show that a star configuration for initial installations is most effective, in future expansion, mesh network is more cost effective.

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