Cyber-Physical Resiliency for Islanded Microgrids

This paper describes work in progress to analyze the cyber-physical resiliency of a microgrid when operated in islanded mode, as would be the case during an extreme event. The analysis must include each of the four components of a microgrid: sources or generation, energy storage, load, and power electronics interfaces. Two networks with disparate time constants must be accurately modeled. The electrical (and mechanical if there are generators or wind turbines) network is simulated with the power flow equations, a challenging control problem that requires accurate state estimation for its solution. In addition, there is the sensor-communication network consisting of legacy devices such as MV90 meters and SCADA hardware as well as IoT devices such as PMUs and grid management equipment.