Analysis on parameter switching methods for hydropower dominant system Shengjing She, Chongtao Li, Yiping Chen, Rongzhao Yang, Liang Xiao, Kehan Zeng and Qin Gao E3S Web Conf., 242 (2021) 03003 Published online: 10 March 2021 DOI: 10.1051/e3sconf/202124203003