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■ページ数 11ページ



Reactive Power Control of Photovoltaic Power Generation Systems by a Wide-Area Control System for Improving Transient Stability in Power Systems

■著者名 河辺 賢一(東京工業大学 工学院 電気電子系),七原 俊也(東京工業大学 工学院 電気電子系)
■著者名(英語) Kenichi Kawabe (Dept. of Electrical and Electronic Engineering, School of Engineering, Tokyo Institute of Technology), Toshiya Nanahara (Dept. of Electrical and Electronic Engineering, School of Engineering, Tokyo Institute of Technology)
■価格 会員 ¥550 一般 ¥770
■書籍種類 論文誌(論文単位)
■グループ名 【B】電力・エネルギー部門
■本誌 電気学会論文誌B(電力・エネルギー部門誌) Vol.140 No.10 (2020)
■本誌掲載ページ 736-746ページ
■原稿種別 論文/日本語
■電子版へのリンク https://www.jstage.jst.go.jp/article/ieejpes/140/10/140_736/_article/-char/ja/
■キーワード 電力系統,過渡安定性,緊急制御,太陽光発電,無効電力制御 power system,transient stability,emergency control,photovoltaic power generation,reactive power control
■要約(英語) As the installed capacity of renewable energy sources is increasing, the role of inverters is becoming more important in the maintenance of power system stability. Therefore, in this study, we propose the use of a wide area control system (WACS) to control the inverters of photovoltaic (PV) systems in a coordinated manner to improve transient stability. In this method, we select PV systems whose reactive power injections are deemed to suppress the acceleration of the critical generator, based on a time-domain simulation for each possible fault before the fault occurs. When a fault occurs, we trigger the reactive current injections with the selected PV systems that is, the WACS operates as an event-based emergency control system. Numerical simulation results demonstrate that this method can further improve transient stability compared with an autonomous reactive current support function that is applied to existing PV inverters. The proposed WACS could be a promising approach to address the transient instability phenomena under unscheduled power flow conditions by periodically updating the control table based on real-time information.
■版 型 A4
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