Analytical Loss Equations for Three Level Active Neutral Point Clamped Converters. - Raghbendra Tiwari; Roy Nilsen (IECON, 2020)

Active NPC Converter for Variable Speed Operation of Pumped Storage Hydropower Plant. - Raghbendra Tiwari; Roy Nilsen; Arne Nysveen (IECON, 2020)

Evaluation and Comparison between Multilevel Converters for Variable Speed Operation of Pumped Storage Power Plants with Full-size Converters. - Raghbendra Tiwari; Roy Nilsen; Arne Nysveen (IAS, 2021)