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Wind turbines (WTs) are considered to be one of effective approach to solve global warming and energy issues. However, the output of WTs depends on the weather conditions and the natural environment, which cause large fluctuations in the output power, leading to insufficient of frequency adjustment capacity of the power grid. Several methods have been examined to compensate for such large fluctuations using batteries. In this paper, we describe the development of the world's largest constant output stabilization system using 34 MW sodium sulfur (NAS) batteries for a 51 MW wind farm at Futamata in the Tohoku district of Japan, as well as our field experiences indicating excellent operating performance.
Kawakami et al. (Thu,) studied this question.