Influence of Hydro Turbine Supervision and Control System on Frequency Characteristics of High Proportion Hydropower SystemGuanhong Wang, Zhichen Geng, Dongping Ai, Wei Wei, Ying Li, Gan Li, Liming Jin, Wenfeng Li and Yong TangE3S Web Conf., 261 (2021) 01036DOI: https://doi.org/10.1051/e3sconf/202126101036