Effective Utilization of Parallel Connected Megawatt Three-Level Back-to-Back Power Converters in Variable Speed Pumped Storage Units. - Karthik Desingu; Raghu Selvaraj; Thanga Raj Chelliah; Deepak Khare (IAS, 2018)

Fault Diagnosis and Tolerant Operation of Multi-Channel 3L-NPC Power Converter Fed Adjustable Speed Hydro-Generating Unit. - Raghu Selvaraj; Karthik Desingu; Thanga Raj Chelliah (IAS, 2020)

A DC-link Capacitor Voltage Based Open-Switch Fault Detection and Identification Scheme for Four-Level π-Type Inverter. - Sunny Sonandkar; Raghu Selvaraj; Thanga Raj Chelliah (IAS, 2021)