Optimization Strategy of Wind Storage Joint Operation Considering Energy Storage Life and Participating in Frequency Modulation Service

doi:10.12096/j.2096-4528.pgt.19161

Abstract

Abstract:

The joint operation of the energy storage system and the wind farm can not only track the wind power schedule output, but also participate in ancillary service of the power grid. In order to maximize the total profit of the optimization of wind storage joint operation, the optimal model of wind storage joint operation was established considering the wind energy storage system tracking wind power schedule output and participating in the secondary frequency modulation service of the power grid. The model took into account the energy storage life loss under different state of charge, and the up-frequency modulation power and down-frequency modulation power balance when energy storage participated in frequency modulation. Based on the actual wind farm operation data, an example was designed and the simulation was carried out. The results show that considering the energy storage life loss level not only measure the benefits of energy storage participating in various services, but also give full play to the role of energy storage and improve the benefits of wind storage joint operation.

Key words: energy storage system, wind power generator, tracking wind power schedule output, secondary frequency regulation

CLC Number:

TK82

Sheng KUANG,Beibei WANG. Optimization Strategy of Wind Storage Joint Operation Considering Energy Storage Life and Participating in Frequency Modulation Service[J]. Power Generation Technology, 2020, 41(1): 73-78.

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