Stability analysis of a DC Networking microgrid with consensual control, active and passive loads.

CARNAGHI M.; CERVELLINI P.; GARCÍA RETEGUI R.; JUDEWICZ M.; FUNES M.

Congreso; XX REUNIÓN DE TRABAJO EN PROCESAMIENTO DE LA INFORMACIÓN Y CONTROL; 2023

Direct current networking microgrids are becoming increasingly popular for integrating renewable energy sources and improving system resilience and reliability. However, the highly cooperative nature of these microgrids makes analyzing their stability complex due to the presence of time-delay in the interchanged data for consensual control. Moreover, active loads are predominant and have highly non-linear behavior, which further complicates stability analysis. In this paper, adelay-dependent stability analysis for networking microgrids that focuses on robust operation against the presence of active loads is presented. Furthermore, the formulation also considersthe uncertain, time-changing nature of loads connected to the microgrid. The obtained results show that the load value, nature, and distribution over the networking microgrids have a noticeable impact on the time delay the system can tolerate while ensuring stable operation.