Raj Kumar Kokkonda

College of Engineering

Works (8)

Updated: April 5th, 2024 14:24

2024 journal article

Overvoltage Protection of Series-Connected 10kV SiC MOSFETs Following Switch Failures in MV 3L-NPC Converter for Safe Fault Isolation and Shutdown

IEEE ACCESS, 12, 10102–10119.

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

author keywords: AsMPCS; fault; JBS; MOSFET; NPC; protection; RTDS; Saber; SiC; shutdown
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: January 9, 2024

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

author keywords: Active clamp; PFC; flyback converter; ac/dc; leakage energy recovery; non-complementary control
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
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

author keywords: SiC MOSFET; medium voltage; series connection; 3.3 kV; 10 kV; loss comparison; voltage balancing
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
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

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
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
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*

author keywords: Laser diode driver; Pulse power; Capacitor charging; Pulse current source; Buck current regulator; Inductor energy recovery; Hysteresis current control; SiC
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
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

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
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
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

author keywords: Silicon Carbide; SiC MOSFETs; Short Circuit; Medium Voltage; Robustness
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
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

author keywords: Shore to Ship systems; Medium Voltage power converters; SiC MOSFET; Series connection
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: September 20, 2021

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