Jehyuk Won Won, J., Srdic, S., & Lukic, S. M. (2022). [Review of Optimized Multi-Carrier PWM Strategy and Topology Review for Multi-Cell Series-Parallel Medium-Voltage Rectifier]. IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS, 10(6), 6770–6783. https://doi.org/10.1109/JESTPE.2021.3129797 Won, J., Jalali, G., Liang, X., Zhang, C., Srdic, S., & Lukic, S. M. (2019). Auxiliary Power Supply for Medium-Voltage Power Converters: Topology and Control. IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, Vol. 55, pp. 4145–4156. https://doi.org/10.1109/TIA.2019.2915511 Won, J., Jalali, G., Liang, X. Y., Zhang, C., Srdic, S., & Lukic, S. (2018). Auxiliary power supply for medium-voltage power electronics systems. Thirty-third annual ieee applied power electronics conference and exposition (apec 2018), 173–179. https://doi.org/10.1109/apec.2018.8341005