Optimal dynamic multi-microgrid structuring for improving distribution system resiliency considering time-varying voltage-dependent load models

•Detailed demand models including load type, consumption patterns and load-voltage dependency in resiliency problem.•Use of voltage regulation capability of conventional generators for resiliency improvement.•Using DNR for optimizing the number and size of MGs.•Presentation of a combined techno-economical optimization strategy to achieve maximum grid resiliency with the least cost.