A Resilience Evaluation Concept for Permanently Islanded Military Nanogrids

Abstract

The ongoing electrification of warfare intensifies the U.S. military's reliance on electrical energy. Military nanogrids are small, permanently islanded, highly mobile, electrical systems, with a generation capacity less than 25 kW. This paper proposes a resilience evaluation concept with metrics for mobile military nanogrids. The proposed metrics evaluate resilience against a disruption in primary generation, loss of a distribution component, loss of fuel supply, and electrical faults. A method for classifying distribution networks into radial, loop, or mesh topologies is also presented. The intent is to quantitatively evaluate a military nanogrid's resilience and drive the design of future systems with enhanced resilience.