Raj Kumar Kokkonda

College of Engineering

Works (7)

Updated: November 27th, 2023 08:05

2023 article

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.

By: R. Kokkonda n, R. Beddingfield n , S. Bhattacharya n , B. Carsten & B. Varga

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Active clamp; PFC; flyback converter; ac/dc; leakage energy recovery; non-complementary control
Sources: Web Of Science, ORCID
Added: September 5, 2023

2023 article

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.

By: R. Kokkonda n, S. Parashar n & S. Bhattacharya n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: SiC MOSFET; medium voltage; series connection; 3.3 kV; 10 kV; loss comparison; voltage balancing
Sources: Web Of Science, ORCID
Added: September 5, 2023

2023 article

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.

By: N. Kolli n, S. Parashar n, R. Kokkonda n, S. Bhattacharya n  & V. Veliadis n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: SiC MOSFETs; JBS Diodes; Medium Voltage; Active Front End Convertrer; Microgrid; Series connection; Grid Forming Converter; Voltage Source Converter; series connection; snubbers; voltage balancing
Sources: Web Of Science, ORCID
Added: September 5, 2023

2022 article

A SiC based Two-Stage Pulsed Power Converter System for Laser Diode Driving Applications

2022 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE).

By: R. Kokkonda n, S. Bhattacharya n , V. Veliadis n & C. Panayiotou*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Laser diode driver; Pulse power; Capacitor charging; Pulse current source; Buck current regulator; Inductor energy recovery; Hysteresis current control; SiC
Sources: Web Of Science, ORCID
Added: November 20, 2023

2021 article

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

2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE), pp. 1211–1218.

By: N. Kolli n, S. Parashar n, R. Kokkonda n, A. Anurag n , A. Kumar n, S. Bhattacharya n , V. Veliadis n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: SIC MOSFETs; JBS Diodes; Medium Voltage; Active Front End Convertrer; Microgrid; Series connection; Grid Forming Converter; Voltage Source Converter; series connection; snubbers; voltage balancing
Sources: Web Of Science, ORCID
Added: July 5, 2022

2021 article

High Voltage Output Characteristics and Short Circuit Robustness of HV SiC MOSFETs

2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE), pp. 5277–5282.

By: A. Kumar n, R. Kokkonda n, S. Bhattacharya n , J. Baliga n & V. Veliadis n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Silicon Carbide; SiC MOSFETs; Short Circuit; Medium Voltage; Robustness
Sources: Web Of Science, ORCID
Added: July 5, 2022

2021 article

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), pp. 1380–1387.

By: R. Kokkonda n, A. Kumar n, A. Anurag n , N. Kolli n, S. Parashar n & S. Bhattacharya n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Shore to Ship systems; Medium Voltage power converters; SiC MOSFET; Series connection
Sources: Web Of Science, ORCID
Added: September 20, 2021