Unity power factor controller for neutral point clamped active front end converter with DC voltage balancing. - Pradyumn Chaturvedi; Amit Ojha; Shailendra Jain; Arvind Mittal (ICIT, 2016)

A Symmetrical Multilevel Inverter Topology with Minimal Switch Count and Total Harmonic Distortion. - Kavali Janardhan; Arvind Mittal; Amit Ojha (J. Circuits Syst. Comput., 2020)