仮想同期発電機を用いた家庭用分散形電源の商用系統連系・解列の無瞬断切り替え制御

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概要

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• The home applications of distributed generations such as photovoltaic and gas engine cogeneration system are growing and many of distributed generations are connected to a grid by a DC/AC inverter. The DC/AC inverter is controlled by a PLL (Phase Locked Loop) in order to be synchronized with power system frequency. However, the control scheme of stand-alone operation uses the voltage control, and the PLL is unnecessary. Therefore, it is hard to realize uninterrupted change between stand-alone and grid-connected operation. In this paper, we propose VSG (Virtual Synchronous Generator) control scheme in order to use the same control scheme in the stand-alone and grid-connected operation. We carried out some experiments to demonstrate the control characteristics.

著者

• 柿ヶ野 浩明

  Division of Electrical, Electronic and Information Eng., Graduate School of Eng., Osaka University

• 伊瀬 敏史

  Division of Electrical, Electronic and Information Eng., Graduate School of Eng., Osaka University

• 三浦 友史

  Division of Electrical, Electronic and Information Eng., Graduate School of Eng., Osaka University

• 龍 建儒

  Division of Electrical, Electronic and Information Eng., Graduate School of Eng., Osaka University

• 新帯 俊信

  Division of Electrical, Electronic and Information Eng., Graduate School of Eng., Osaka University

関連論文

• 仮想同期発電機を用いた家庭用分散形電源の商用系統連系・解列の無瞬断切り替え制御

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