Raj Kumar Kokkonda

Parashar, S., Kolli, N., Kokkonda, R. K., & Bhattacharya, S. (2026, January 1). Dynamic Voltage Imbalance Mitigation during Soft-Switching operation in Series-Connected 10kV SiC MOSFETs and 10kV SiC JBS Diodes for 3L-NPC Converter. IEEE Transactions on Power Electronics, Vol. 1. https://doi.org/10.1109/tpel.2026.3659058

Parashar, S., Rawat, S., Kolli, N., Kokkonda, R. K., & Bhattacharya, S. (2025, March 16). Comparative Performance Analysis of Medium Voltage 3L-ANPC and 3L-DNPC Pole Enabled by series-Connection of 10kV SiC MOSFETs and 10kV SiC JBS Diodes for Sine Triangle PWM Operation. 2025 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 1347–1354. https://doi.org/10.1109/APEC48143.2025.10977099

Vignesh, K. R. C., Kokkonda, R. K., Narasimhan, S., Rawat, S., & Bhattacharya, S. (2025, October 19). Performance Evaluation of MOS-Gated Thyristors as Auxiliary Switches in the ARCP Inverter. https://doi.org/10.1109/ecce58356.2025.11259840

Kolli, N., Rawat, S., Das, P. P., Kokkonda, R. K., Vignesh, K. R. C., Khan, S. A., … McCabe, B. (2025, October 19). RF Integrated Gate Driver for Ultra-fast Switching of 10 kV SiC MOSFETs. https://doi.org/10.1109/ecce58356.2025.11259634

Kokkonda, R. K., Bhattacharya, S., Veliadis, V., & Panayiotou, C. (2024). A SiC Based Two-Stage Pulsed Power Converter System for Laser Diode Driving and Other Pulsed Current Applications. IEEE Open Journal of Industry Applications, 5, 455–468. https://doi.org/10.1109/OJIA.2024.3476428

Kolli, N., Parashar, S., Kokkonda, R. K., Bhattacharya, S., & Veliadis, V. (2024, February 25). Design of Asynchronous Microgrid Power Conditioning System with Gen-3 10 kV SiC MOSFETs for MV Grid Interconnection. 2024 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 514–521. https://doi.org/10.1109/APEC48139.2024.10509274

Parashar, S., Kolli, N., Kokkonda, R. K., Kanale, A., Bhattacharya, S., & Baliga, B. J. (2024, January 1). Dynamic Voltage Balancing Across Series-Connected 10 kV SiC JBS Diodes in Medium Voltage 3L-NPC Power Converter Having Snubberless Series-Connected 10 kV SiC MOSFETs. IEEE Open Journal of the Industrial Electronics Society, Vol. 5, pp. 1058–1084. https://doi.org/10.1109/OJIES.2024.3450509

Parashar, S., Isik, S., Kolli, N., Kokkonda, R. K., & Bhattacharya, S. (2024, January 1). Overvoltage Protection of Series-Connected 10kV SiC MOSFETs Following Switch Failures in MV 3L-NPC Converter for Safe Fault Isolation and Shutdown. IEEE Access, Vol. 12, pp. 10102–10119. https://doi.org/10.1109/ACCESS.2024.3351184

Kokkonda, R. K., & Bhattacharya, S. (2024, February 25). Soft Switching ARCP Inverter Using Series Connected SiC MOSFETs for Medium Voltage Motor Drive Applications. 2024 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 567–574. https://doi.org/10.1109/APEC48139.2024.10509383

Kokkonda, R. K., Beddingfield, R., Bhattacharya, S., Carsten, B., & Varga, B. (2023, March 19). A Novel Transformer Leakage Energy Recovery Active Clamp Control Technique for High Power AC/DC Flyback Converters. 2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 1238–1245. https://doi.org/10.1109/APEC43580.2023.10131320

Parashar, S., Kolli, N., Kokkonda, R. K., Kanale, A., Bhattacharya, S., & Baliga, J. (2023, December 8). Mitigating Voltage Imbalance Across Series-Connected 10 kV SiC JBS Diodes in a Medium-Voltage High-Power 3L-NPC Converter. IEEE Transactions on Power Electronics, Vol. 39, pp. 2896–2911. https://doi.org/10.1109/TPEL.2023.3339809

Kokkonda, R. K., Parashar, S., & Bhattacharya, S. (2023, March 19). Performance Comparison of 10 kV and Series-connected 3.3 kV SiC MOSFETs based VSCs for MV Grid Interfacing Applications. 2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 995–1002. https://doi.org/10.1109/APEC43580.2023.10131385

Kolli, N., Parashar, S., Kokkonda, R. K., Bhattacharya, S., & Veliadis, V. (2023, March 19). Switching Loss Analysis of Three-Phase Three- Level Neutral Point Clamped Converter Pole Enabled by Series-Connected 10 kV SiC MOSFETs. 2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 2353–2360. https://doi.org/10.1109/APEC43580.2023.10131392

Kokkonda, R. K., Bhattacharya, S., Veliadis, V., & Panayiotou, C. (2022, October 9). A SiC based Two-Stage Pulsed Power Converter System for Laser Diode Driving Applications. 2022 IEEE Energy Conversion Congress and Exposition (ECCE). https://doi.org/10.1109/ECCE50734.2022.9947820

Kolli, N., Parashar, S., Kokkonda, R. K., Anurag, A., Kumar, A., Bhattacharya, S., & Veliadis, V. (2021). Design Considerations of Three Phase Active Front End Converter for 13.8 kV Asynchronous Microgrid Power Conditioning System enabled by Series Connection of Gen-3 10 kV SiC MOSFETs. https://doi.org/10.1109/ECCE47101.2021.9594975

Kumar, A., Kokkonda, R. K., Bhattacharya, S., Baliga, J., & Veliadis, V. (2021). High Voltage Output Characteristics and Short Circuit Robustness of HV SiC MOSFETs. https://doi.org/10.1109/ECCE47101.2021.9595821

Kokkonda, R. K., Kumar, A., Anurag, A., Kolli, N., Parashar, S., & Bhattacharya, S. (2021, June 14). Medium Voltage Shore-to-Ship Connection System Enabled by Series Connected 3.3 kV SiC MOSFETs. 2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021). https://doi.org/10.1109/APEC42165.2021.9487119