List of Articles Load-frequency control Open Access Article Abstract Page Full-Text 1 - Optimization of PID Controller for Load-Frequency Control in Power System with Hydro-Turbine and Transient Drop Compensator Using Hybrid PSO-NM Algorithm Ahmad Baghban Seyed Arman Shirmardi Mahyar Abasi https://doi.org/10.71691/teeges.2026.1190147