[1] J. Rodríguez, S. Bernet, B. Wu, J.O. Pontt, S. Kouro, Multilevel voltage-source-converter topologies for industrial medium-voltage drives, IEEE Transactions on industrial electronics, 54(6) (2007) 2930-2945.
[2] L.G. Franquelo, J. Rodriguez, J.I. Leon, S. Kouro, R. Portillo, M.A. Prats, The age of multilevel converters arrives, IEEE industrial electronics magazine, 2(2) (2008).
[3] S. Kouro, M. Malinowski, K. Gopakumar, J. Pou, L.G. Franquelo, B. Wu, J. Rodriguez, M.A. Pérez, J.I. Leon, Recent advances and industrial applications of multilevel converters, IEEE Transactions on industrial electronics, 57(8) (2010) 2553-2580.
[4] X. Zha, L. Xiong, J. Gong, F. Liu, Cascaded multilevel converter for medium-voltage motor drive capable of regenerating with part of cells, IET Power Electronics, 7(5) (2014) 1313-1320.
[5] R. Teichmann, M. Malinowski, S. Bernet, Evaluation of three-level rectifiers for low-voltage utility applications, IEEE Transactions on Industrial Electronics, 52(2) (2005) 471-481.
[6] S. Daher, J. Schmid, F.L. Antunes, Multilevel inverter topologies for stand-alone PV systems, IEEE Transactions on Industrial Electronics, 55(7) (2008) 2703-2712.
[7] M. Malinowski, K. Gopakumar, J. Rodriguez, M.A. Perez, A survey on cascaded multilevel inverters, IEEE Transactions on industrial electronics, 57(7) (2010) 2197-2206.
[8] M.J. Mojibian, M.T. Bina, Classification of multilevel converters with a modular reduced structure: implementing a prominent 31-level 5 kVA class B converter, IET Power Electronics, 8(1) (2014) 20-32.
[9] J. Dixon, L. Moran, High-level multistep inverter optimization using a minimum number of power transistors, IEEE Transactions on Power Electronics, 21(2) (2006) 330-337.
[10] Y. Ounejjar, K. Al-Haddad, L.-A. Grégoire, Packed U cells multilevel converter topology: theoretical study and experimental validation, IEEE Transactions on Industrial Electronics, 58(4) (2011) 1294-1306.
[11] G. Konstantinou, M. Ciobotaru, V. Agelidis, Selective harmonic elimination pulse-width modulation of modular multilevel converters, IET Power Electronics, 6(1) (2013) 96-107.
[12] I. Colak, E. Kabalci, R. Bayindir, Review of multilevel voltage source inverter topologies and control schemes, Energy Conversion and Management, 52(2) (2011) 1114- 1128.
[13] A.M. AS, A. Gopinath, M. Baiju, A simple space vector PWM generation scheme for any general $ n $-level inverter, IEEE Transactions on Industrial Electronics, 56(5) (2009) 1649-1656.
[14] Z. Du, L.M. Tolbert, B. Ozpineci, J.N. Chiasson, Fundamental frequency switching strategies of a seven-level hybrid cascaded H-bridge multilevel inverter, IEEE Transactions on Power Electronics, 24(1) (2009) 25-33.