Abstract
The development of cooperative control strategies for microgrids has become an area of increasing research interest in recent years, often a result of advances in other areas of control theory such as multi-agent systems and enabled by rapid advances in wireless communications technology and power electronics. Though the basic concept of cooperative action in microgrids is intuitively well-understood, a comprehensive survey of this approach with respect to its limitations and wide range of potential applications has not yet been provided. The objective of this paper is to provide a broad overview of cooperative control theory as applied to microgrids, introduce other possible applications not previously described, and discuss recent advances and open problems in this area of microgrid research.
Highlights
The objective of this paper is to provide an overview of the theoretical frameworks that are the basis of various cooperative schemes described in the microgrid research literature, while highlighting several applications to standard microgrid control problems
The development of packet radio has its origins in the experimental DARPA packet radio network [75], which was designed for resilience and adaptability
The paper has reviewed the current research on cooperative control of microgrids, which is an area of increasing interest in the context of recent developments in wireless communication, which is enabling agent-based automation in a practical sense
Summary
Power electronic converters are increasingly being utilized to interface energy resources to the grid, and allow for highly controlled power flows and flexible operating strategies that are still the focus of much research, though these create other potential issues for the grid. In this regard, research interests have focused on inverter strategies that enable autonomous, or islanded, operation. It is common for research articles relating to microgrids to describe a control strategy as “cooperative”, yet the scope of these works is wide-ranging, and often cooperative behavior is not demonstrated in the normally understood sense
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