Deadbeat Control with Disturbance Compensation Method and 1MHz-PLL for Single Phase Utility Interactive Inverter

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  • 外乱補償型デッドビート制御と1MHz-PLLによる100kHz単相系統連系インバータ制御
  • ガイラン ホショウガタ デッドビート セイギョ ト 1MHz-PLL ニ ヨル 100kHz タンソウ ケイトウレンケイ インバータ セイギョ

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Abstract

In the near future, many distributed power systems will be connected to utility lines in the local area. The demand for control accuracy of utility interactive inverters will likely increase beyond present capabilities. The utility interactive inverter requires FRT capability to compensate for utility voltage fluctuations. A deadbeat control with disturbance compensation and 1MHz-PLL control with quasi-dq transformation were applied to a utility interactive inverter using an FPGA based hardware controller. The FRT characteristics were verified through simulations and experiments, and the superior characteristics of the proposed method were verified.

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