Strong Resonance Investigation and Suppression in PMSG integrated Power Systems Jianqiang Luo, Siqi Bu, Jiaxin Wen, Qian Hu, Yong Hu and Qi Wang E3S Web Conf., 152 (2020) 03006 Published online: 14 February 2020 DOI: 10.1051/e3sconf/202015203006