One‐sample optimal output smoothing method for wind farm with energy storage system

Correspondence Kenta Koiwa, Department of Electrical and Electronic Engineering, Chiba University, Chiba 263-8522 Japan. Email: kenta.koiwa@chiba-u.jp Abstract This paper proposes a novel optimization method for energy storage systems (ESSs) to smooth wind farm output to satisfy the technical requirements and reduce the rated power (rated energy capacity) and charge/discharge loss of the ESS. The state of charge of the ESS operated by the proposed method can be regulated, guaranteeing some constraints. The proposed method has a very simple structure, does not require the wind farm output forecast and numerical optimization, such as particle swarm optimization. Therefore, a high-grade functional computation device is not needed. The effectiveness of the proposed method is verified by comparative analysis with conventional approaches through simulations.

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