Frequency Control in Power System With Renewable Energy

The global transition to renewable energy offers sustainable alternatives to fossil fuels but also challenges power grid stability, particularly in frequency regulation. Traditional power systems use synchronous machines that provide inertia, helping to stabilize frequency during disturbances. In contrast, most renewable sources lack this inertia, making modern grids more vulnerable to imbalances. This project explores frequency control challenges in grids with high renewable penetration, focusing on the importance of inertia in conventional systems and the need for alternative regulation methods. Strategies like demand response (DR) and load control are evaluated. Results from applying these to an IEEE 9-bus power grid show that DR improves settling time and frequency deviation after disturbances, with the best performance achieved when combining DR with tie-line power monitoring.