An Improvement on Reactive Power Controller of Grid-connected Inverter by Using Virtual Reactance Concept

カテゴリ: 部門大会

論文No: 230

グループ名: 【B】平成24年電気学会電力・エネルギー部門大会

発行日: 2012/09/12

タイトル(英語): An Improvement on Reactive Power Controller of Grid-connected Inverter by Using Virtual Reactance Concept

著者名: Arwindra Rizqiawan(芝浦工業大学),藤田 吾郎(芝浦工業大学),舟橋 俊久(明電舎),野村 昌克(明電舎),真田 正(芝浦工業大学)

著者名(英語): Arwindra Rizqiawan(Shibaura Institute of Technology),Goro Fujita(Shibaura Institute of Technology),Toshihisa Funabashi(Meidensha Corporation),Masakatsu Nomura(Meidensha Corporation),Tadashi Sanada(Shibaura Institute of Technology)

キーワード: 系統接続インバータ|仮想リアクタンス|無効電力制御無効電力制御|Grid-connected inverter|virtual reactance|reactive power control

要約(日本語): An improvement on reactive power controller of grid-connected inverter is presented in this paper. Virtual reactance concept is combined with droop power control concept to improve the performance of reactive power controller of grid-connected inverter. Therefore, the voltage is expected to be relatively constant on the independent microgrid power system. By using this proposed controller, grid-connected inverter will provide additional reactive power compensation during voltage fluctuation on the microgrid. It can be shown that the proposed control method will make the grid-connected inverter reaches voltage steady state condition faster during voltage fluctuation in the system. Simulation study by using PSCAD/EMTP is conducted to verify the proposed method.

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