Works (14)

Updated: February 3rd, 2026 09:04

2026 article

Dynamic Voltage Imbalance Mitigation during Soft-Switching operation in Series-Connected 10kV SiC MOSFETs and 10kV SiC JBS Diodes for 3L-NPC Converter

Parashar, S., Kolli, N., Kokkonda, R. K., & Bhattacharya, S. (2026, January 1). IEEE Transactions on Power Electronics, Vol. 1.

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

topics (OpenAlex): Silicon Carbide Semiconductor Technologies; HVDC Systems and Fault Protection; Electromagnetic Compatibility and Noise Suppression; Multilevel Inverters and Converters; Advanced DC-DC Converters
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: January 31, 2026

2025 article

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

Parashar, S., Rawat, S., Kolli, N., Kokkonda, R. K., & Bhattacharya, S. (2025, March 16). 2025 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 1347–1354.

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

author keywords: 10kV SiC MOSFETs; 10kV SiC JBS Diodes; ANPC; DNPC; Dynamic Voltage Balancing
topics (OpenAlex): Silicon Carbide Semiconductor Technologies; Multilevel Inverters and Converters; Interconnection Networks and Systems
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 7, 2025

2024 article

Design of Asynchronous Microgrid Power Conditioning System with Gen-3 10 kV SiC MOSFETs for MV Grid Interconnection

Kolli, N., Parashar, S., Kokkonda, R. K., Bhattacharya, S., & Veliadis, V. (2024, February 25). 2024 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 514–521.

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

author keywords: Solid-state transformer; active front-end; dual-active; bridge; cascading; 10 kV SiC MOSFET; 10 kV SiC JBS Diode; sensor sampling; medium voltage; common-mode noise
topics (OpenAlex): Microgrid Control and Optimization; Advanced DC-DC Converters; Advanced Battery Technologies Research
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: September 16, 2024

2024 article

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

Parashar, S., Kolli, N., Kokkonda, R. K., Kanale, A., Bhattacharya, S., & Baliga, B. J. (2024, January 1). IEEE Open Journal of the Industrial Electronics Society, Vol. 5, pp. 1058–1084.

By: S. Parashar n, N. Kolli n, R. Kokkonda n, A. Kanale n, S. Bhattacharya n & B. Baliga n

author keywords: 10 kV silicon carbide (SiC) JBS diodes; 10 kV silicon carbide (SiC) JBS diodes; base-plate capacitance; 10 kV SiC MOSFETs; medium voltage; active turn-OFF delay control; power conditioning system; power conditioning system; medium voltage; series connection; series connection; three-level NPC (3L-NPC); RC snubber; series connection; three-level NPC (3L-NPC)
topics (OpenAlex): Silicon Carbide Semiconductor Technologies; Multilevel Inverters and Converters; Advanced DC-DC Converters
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 1, 2024

2024 article

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

Parashar, S., Isik, S., Kolli, N., Kokkonda, R. K., & Bhattacharya, S. (2024, January 1). IEEE Access, Vol. 12, pp. 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
topics (OpenAlex): Silicon Carbide Semiconductor Technologies; HVDC Systems and Fault Protection; Semiconductor materials and devices
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 9, 2024

2023 article

Mitigating Voltage Imbalance Across Series-Connected 10 kV SiC JBS Diodes in a Medium-Voltage High-Power 3L-NPC Converter

Parashar, S., Kolli, N., Kokkonda, R. K., Kanale, A., Bhattacharya, S., & Baliga, J. (2023, December 8). IEEE Transactions on Power Electronics, Vol. 39, pp. 2896–2911.

By: S. Parashar n, N. Kolli n, R. Kokkonda n, A. Kanale*, S. Bhattacharya n & J. Baliga n

author keywords: 10 kV SiC JBS diodes; 3-level neutral point clamped (3L-NPC); medium-voltage (MV); RC snubber; series-connection; solid state transformers (SSTs); voltage balancing
topics (OpenAlex): Silicon Carbide Semiconductor Technologies; Electromagnetic Compatibility and Noise Suppression; Multilevel Inverters and Converters
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 9, 2023

2023 article

Performance Comparison of 10 kV and Series-connected 3.3 kV SiC MOSFETs based VSCs for MV Grid Interfacing Applications

Kokkonda, R. K., Parashar, S., & Bhattacharya, S. (2023, March 19). 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
topics (OpenAlex): Silicon Carbide Semiconductor Technologies; HVDC Systems and Fault Protection; Multilevel Inverters and Converters
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
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

Kolli, N., Parashar, S., Kokkonda, R. K., Bhattacharya, S., & Veliadis, V. (2023, March 19). 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
topics (OpenAlex): Multilevel Inverters and Converters; Advanced DC-DC Converters; Silicon Carbide Semiconductor Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: September 5, 2023

2022 article

Fault-Tolerant Control and Isolation Method for NPC-Based AFEC Using Series-Connected 10kV SiC MOSFETs

Isik, S., Parashar, S., & Bhattacharya, S. (2022, January 1). IEEE Access.

By: S. Isik n, S. Parashar n & S. Bhattacharya n

author keywords: Circuit faults; MOSFET; Silicon carbide; Switches; Fault tolerant systems; Fault tolerance; Control systems; NPC; microgrid; MOSFET; silicon carbide; switch; saber; protection; power conditioning; RTDS
topics (OpenAlex): Multilevel Inverters and Converters; Silicon Carbide Semiconductor Technologies; Advanced DC-DC Converters
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 13, 2022

2021 article proceedings

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

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
topics (OpenAlex): Multilevel Inverters and Converters; Advanced DC-DC Converters; Silicon Carbide Semiconductor Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: July 5, 2022

2021 article

Design of a Fault-tolerant Controller for Three-phase Active front End Converter used for Power Conditioning Applications

Isik, S., Parashar, S., & Bhattacharya, S. (2021, June 14). 2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021).

By: S. Isik n, S. Parashar n & S. Bhattacharya n

author keywords: Fault-tolerant controller; Neutral Point Clamped (NPC) Converter; Power Conditioning Systems (PCS)
topics (OpenAlex): Multilevel Inverters and Converters; Advanced DC-DC Converters; Silicon Carbide Semiconductor Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: September 20, 2021

2021 article

Medium Voltage Shore-to-Ship Connection System Enabled by Series Connected 3.3 kV SiC MOSFETs

Kokkonda, R. K., Kumar, A., Anurag, A., Kolli, N., Parashar, S., & Bhattacharya, S. (2021, June 14). 2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021).

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
topics (OpenAlex): Maritime Transport Emissions and Efficiency; Multilevel Inverters and Converters; Advanced DC-DC Converters
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: September 20, 2021

2021 article

Performance Evaluation of a Novel High Voltage Monolithically Integrated SiC MOSFET-DIODE for Solar String Inverters

Krishna, V., Kumar, A., Parashar, S., & Bhattacharya, S. (2021, May 24). 2021 IEEE 12TH ENERGY CONVERSION CONGRESS AND EXPOSITION - ASIA (ECCE ASIA).

By: V. Krishna n, A. Kumar n, S. Parashar n & S. Bhattacharya n

author keywords: JBSFET; String Inverter; Silicon Carbide; MOSFET; MOSFET-DIODE
topics (OpenAlex): Photovoltaic System Optimization Techniques; Multilevel Inverters and Converters; Advanced DC-DC Converters
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: July 11, 2022

2018 article

Single shot avalanche energy characterization of 10kV, 10A 4H-SiC MOSFETs

Kumar, A., Parashar, S., Baliga, J., & Bhattacharya, S. (2018, March 1). Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, pp. 2737–2742.

By: A. Kumar n, S. Parashar n, J. Baliga n & S. Bhattacharya n

Contributors: A. Kumar n, S. Parashar n, J. Baliga n & S. Bhattacharya n

topics (OpenAlex): Silicon Carbide Semiconductor Technologies; Electrostatic Discharge in Electronics; Integrated Circuits and Semiconductor Failure Analysis
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018

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