Water Cycle Algorithm Tuned Cascade Controller for the Frequency Control of a Nonlinear Hydrothermal Power System with PEV IntegrationCh. Naga Sai Kalyan, Pasala Gopi, Govind Singh Jethi, K. Harinath Reddy and Mohit BajajE3S Web Conf., 564 (2024) 06002DOI: https://doi.org/10.1051/e3sconf/202456406002