Artículo de publicación ISIThe increasing interest in integrating intermittent
renewable energy sources into microgrids presents major challenges
from the viewpoints of reliable operation and control. In
this paper, the major issues and challenges in microgrid control
are discussed, and a review of state-of-the-art control strategies
and trends is presented; a general overview of the main
control principles (e.g., droop control, model predictive control,
multi-agent systems) is also included. The paper classifies microgrid
control strategies into three levels: primary, secondary, and
tertiary, where primary and secondary levels are associated with
the operation of the microgrid itself, and tertiary level pertains
to the coordinated operation of the microgrid and the host grid.
Each control level is discussed in detail in view of the relevant
existing technical literature
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