IEC 61850 based energy management system using plug-in electric vehicles and distributed generators during emergencies

During emergencies, alternative power system operation that utilizes local assets to energize local loads will change the face of the situation. While distributed generators (DGs) such as PV or wind turbines can be utilized for generation, plug-in electric vehicles (PEVs) can act as mobile generators. Different strategies for forming dynamic and networked microgrids utilizing the local generation during emergencies have been widely proposed in literature. However, the underlying communication required for optimal formation of dynamic microgrids and energy management during emergencies is not discussed. Addressing this gap, this paper develops a communication-based energy management system for emergency cases based on IEC 61850 standard. The IEC 61850 based communication modeling provides interoperability and serves for plug-and-play purposes. Furthermore, for establishing communication during emergencies the concept of Cognitive Radio (CR) is proposed in this scheme. Simulation results show the feasibility of modeling and acceptability of its performance.