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Publications - Article

Design of Aggregators for the Day-Ahead Management of Microgrids Providing Active and Reactive Power Services

Publications - Article

Design of Aggregators for the Day-Ahead Management of Microgrids Providing Active and Reactive Power Services

In this short article, we propose a framework for the aggregation, coordination and day-ahead scheduling of interconnected MGs for the provision of external services, such as energy reserve.

Microgrids (MGs) are an attractive solution for managing distributed generation locally, but usually do not provide a significant contribution in terms of ancillary services to the main grid. In this brief, we propose a framework for the aggregation, coordination and day-ahead scheduling of interconnected MGs for the provision of external services, such as energy reserve. The framework is structured in three phases. In the first phase, a distributed optimization algorithm calculates the day-ahead profile of the active power production of the MGs based on the available forecasts. The scalability of the optimization problem and confidentiality requirements are guaranteed.

In the second phase, the reactive power flows are analysed, while ensuring that the trends in active power planned in the first phase do not compromise the voltage/current limitations. The third phase is used to plan the active and reactive phase. Power profiles of the generation units of each MG are created to make them consistent with the needs and results of the previous two phase editions.

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