The point of common coupling (PCC) is typically the location where a microgrid connects to the utility grid. It serves as an interface between the local system and the broader electric system. . Solutions for Islanding and Grid-Connected Operation of a Microgrid Automatic separation systems detect an unstable or failing macrogrid and proactively island your microgrid power system to avoid blackouts. These systems identify and isolate dangerous open-circuit, shorted-circuit, and back-feed. . Abstract—As increasingly more grid-forming (GFM) inverter-based resources replace traditional fossil-fueled synchronous generators as the GFM sources in microgrids, the existing microgrid energy management systems (EMS) need to be updated to control and coordinate multiple GFM inverters that. . ABB offers solutions to help enhance connectivity, integration, and coordinated control within microgrid systems. What are microgrids? Microgrids are localized and decentralized energy systems. . INTRODUCTION Microgrid is a regional distribution network combined with distributed generation, energy storage devices, loads and various control units.