Hybrid Networked Control for Microgrids

To promote the EUs sustainable environmental development and decarbonization, increasing distributed renewable energy sources (DRESs) are desirable to be integrated into power grids. Microgrids, as one kind of promising means to integrate DRESs with power electronics technologies, have great potential in future power grids. However, due to the lack of physical inertia, the stable operation of power-electronics-dominated microgrids is suffering significant challenges. The HNCM project is proposed in the context of solving these challenges by providing some scientific foundations that enable the efficient operation of low-inertia microgrids, with particular focus on hybrid modeling, stability analysis, and control design. First, new hybrid models will be set up by incorporating physical properties of each distributed generator (DG) and their interactions with electrical networks. Then, new stability analysis criteria for general microgrids will be derived with the expected dynamic performance by designing electrical-parameter-dependent Lyapunov functions. Finally, flexible distributed robust control approaches will be developed under multi-agent architectures with time-varying interaction topologies among DGs.