Overview on Submodule Topologies, Modeling, Modulation, Control Schemes, Fault Diagnosis, and Tolerant Control Strategies of Modular Multilevel Converters*
Fujin Deng, Yongqing Lü, Chengkai Liu, Qian Heng, Qiang Yu, Jifeng Zhao
Chinese Journal of Electrical Engineering . 2020, (1): 1 -21 .  DOI: 10.23919/CJEE.2020.000001