Saleh Farzamkia Houshang Salimian Rizi Alex Q. Huang Hossein Iman-Eini Shared Redundancy Strategy to Improve the Reliability and Fault-Tolerant Capability of Modular Multilevel Converter. 3326-3336 2023 70 IEEE Trans. Ind. Electron. 4 https://doi.org/10.1109/TIE.2022.3181416 db/journals/tie/tie70.html#FarzamkiaRHI23