The widespread integration of user-side renewable energy and shared energy storage has outpaced the flexibility of existing operational models and led to unreasonable allocations of energy-sharing benefits. This study aimed to develop an optimized operational model for community microgrid alliances that accommodated diverse service demands and power exchange. First
a system framework for the coordinated operation of shared energy storage and community microgrid alliances was established. Second
based on a Stackelberg game balancing the interests of both the shared energy storage operator and community microgrid alliances
a nested RIME algorithm integrated with the Gurobi solver was employed to determine day-ahead scheduling decisions
community operating costs
energy storage pricing decisions
and operational revenues. Third
in the day-ahead scheduling stage
power exchange among communities was considered by computing allocation coefficients from the similarity between community renewable generation outputs and load profiles
the magnitude of power exchange
and their correlation; these coefficients were then used in a weighted-contribution method to reallocate day-ahead operating costs among communities. Finally
case-study simulations validate the effectiveness and applicability of the proposed model.
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references
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