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Disturbance-robust Current Control Technique for Large-scale PV Inverter

Disturbance-robust Current Control Technique for Large-scale PV Inverter

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カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門(英文)

発行日: 2019/03/01

タイトル(英語): Disturbance-robust Current Control Technique for Large-scale PV Inverter

著者名: Tomomichi Ito (Hitachi, Ltd.), Akira Kikuchi (Hitachi, Ltd.), Masahiro Taniguchi (Hitachi, Ltd.), Yoshitaka Takemoto (Hitachi, Ltd.), Masaya Ichinose (Hitachi, Ltd.)

著者名(英語): Tomomichi Ito (Hitachi, Ltd.), Akira Kikuchi (Hitachi, Ltd.), Masahiro Taniguchi (Hitachi, Ltd.), Yoshitaka Takemoto (Hitachi, Ltd.), Masaya Ichinose (Hitachi, Ltd.)

キーワード: PV inverter,Fault ride through,gate blocking

要約(英語): A disturbance-robust current control technique for large-scale PV inverter whose rating is several hundred kW is described. The biggest disturbance against current control of grid-connected inverters is the grid fault. The goal of this development is set as to be able to ride through three-phase grounding faults whose residual voltage is down to zero. The main development point of the scheme is to introduce sophisticated voltage feedforward control and improved sampling technique in the current control system. The idea is to make the AC output voltage of the IGBT assemblies follow the quick change in the grid voltage with a small time delay in order to reduce the AC current overshoot caused by grid faults. The validity of the control scheme is confirmed by a simulation study and full-load fault-ride-through tests.

本誌: IEEJ Journal of Industry Applications Vol.8 No.2 (2019) Special Issue Ⅰ on “Motion Control and its Related Technologies” Special Issue Ⅱ on “IPEC-Niigata 2018”

本誌掲載ページ: 314-321 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejjia/8/2/8_314/_article/-char/ja/

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