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With the massive penetration of clean, distributed energy sources, user-side energy storage presents an increasingly complex picture, but its potential to participate in the shared energy storage market has received less attention. To this end, this paper proposes a peer-to-peer trading (i.e., direct trading of electricity between users) strategy for electricity that takes into account the energy storage at the Exchange Electricity Station (EES) and the in-situ sharing model. Firstly, a shared energy storage system based on peer-to-peer trading is constructed by combining the energy storage demand on the user's side and the operation optimization demand of Electric Vehicle Exchange Electricity Station (EVEES), with the joint participation of EVEES and users. Based on this, two parallel two-tier P2P transaction frameworks are established for electric vehicle user (EVU)-EESs and community-EESs, it improves the overall operational efficiency of the energy storage business while safeguarding user privacy protection claims. Secondly, in order to solve the problem of the difficulty of achieving the overall optimization of the scheduling framework with the participation of multiple actors (i.e., EESs, users and communities), Alternating Direction Method of Multipliers (ADMM) was introduced to design a two-layer optimized energy sharing model for community-EES-EVU. Simulation results show that the strategy proposed in this paper can guarantee the security of privacy and the economy of energy use of each subject in the Shared Energy Storage System (SESS), and also provide power support for the external grid. The paper provides a unique new perspective on the shared energy storage model.
He et al. (Mon,) studied this question.
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