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Cooperative Control of Distributed Energy Storage Systems in a Microgrid | IEEE Journals & Magazine | IEEE Xplore

Cooperative Control of Distributed Energy Storage Systems in a Microgrid


Abstract:

Energy storage systems (ESSs) are often proposed to support the frequency control in microgrid systems. Due to the intermittency of the renewable generation and constantl...Show More

Abstract:

Energy storage systems (ESSs) are often proposed to support the frequency control in microgrid systems. Due to the intermittency of the renewable generation and constantly changing load demand, the charging/discharging of various ESSs in an autonomous microgrid needs to be properly coordinated to ensure the supply-demand balance. Recent research has discovered that the charging/discharging efficiency of ESSs has remarkable dependence on the charging/discharging rate and state-of-charge of the ESS. This paper proposes a distributed cooperative control strategy for coordinating the ESSs to maintain the supply-demand balance and minimize the total power loss associated with charging/discharging inefficiency. The effectiveness of the proposed approach is validated by simulation results.
Published in: IEEE Transactions on Smart Grid ( Volume: 6, Issue: 1, January 2015)
Page(s): 238 - 248
Date of Publication: 29 September 2014

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