Electricity distribution system resilient control system metrics

In order to assess the resilience of a system, a set of measures must be defined. Varying control architecture while considering such a system of metrics targeted at resilience can determine the relative merit of the architectures with respect to the resilience of the system. Traditionally, electricity distribution is concerned with delivery of power from transmission or sub transmission to consumer loads with basic control of tap changing transformers and capacitor banks to regulate delivered voltage and provide reactive power support, respectively. In the near future, modern distribution systems architecture are anticipated to include substantially more controllable assets enabling more complicated control architectures to optimized based on reliability and economics. This paper reports on the definition of resilience metrics developed for modern distribution systems for delivery of electricity. Specifically, the metrics are focused on adaptive capacity related to the scale for which the system is able to resist, respond, recover and restore after disturbances in real or reactive power and time requirements to respond and restore the system to a complete normalcy.