1. Bharatiraja Chokkalingam, Mahajan Sagar Bhaskar, Sanjeevikumar Padmanaban, Vigna K. Ramachandaramurthy, Atif Iqbal. “Investigations of Multi-Carrier Pulse Width Modulation Schemes for Diode Free Neutral Point Clam e Multilevel Inverters.” Journal of Power Electronics, Vol. 19, No. 3, May 2019, pp. 702–713.
2. PWM Control Techniques for Single-Phase Multilevel Inverter Based Controlled DC Cells
3. Reduced carrier PWM scheme with unified logical expressions for reduced switch count multilevel inverters
4. Cross‐switched multilevel inverter using auxiliary reverse‐connected voltage sources
5. C. R. Balamurugan, S. P. Natarajan, R. Bensraj. “Control Techniques for Various Bipolar PWM Strategies of Three Phase Five Level Cascaded Inverter.” Journal of Engineering Science and Technology, vol. 10, No. 7, 2015, pp. 878 – 897.