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Theoretical framework for integrating distributed energy resources into distribution systems

This paper focuses on developing a novel theoretical framework for effective coordination and control of a large number of distributed energy resources in distribution systems. The proposed framework provides a systematic view of the overall structure of the future distribution systems along with the underlying information flow, functional organization, and operational procedures. It is characterized by the features of being open, flexible and interoperable for managing active distribution systems. Under this framework, the energy consumption of various DERs is coordinated and controlled using market-based approaches in a hierarchical manner. The Volt/VAR control design is simultaneously considered in order to maintain stable nodal voltages within acceptable ranges. In addition, computational challenges associated with the proposed framework are also discussed with recommended practices.