Works (24)

Updated: July 5th, 2023 15:30

2021 journal article

A Gen-3 10-kV SiC MOSFET-Based Medium-Voltage Three-Phase Dual Active Bridge Converter Enabling a Mobile Utility Support Equipment Solid State Transformer

IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS, 10(2), 1519–1536.

By: A. Anurag n, S. Acharya*, S. Bhattacharya*, T. Weatherford* & A. Parker

author keywords: Dual active bridge converter system; gate driver; medium voltage; silicon carbide (SiC) devices; solid state transformer
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 14, 2022

2021 journal article

A Three-Phase Active-Front-End Converter System Enabled by 10-kV SiC MOSFETs Aimed at a Solid-State Transformer Application

IEEE TRANSACTIONS ON POWER ELECTRONICS, 37(5), 5606–5624.

By: A. Anurag n, S. Acharya*, N. Kolli n, S. Bhattacharya n, T. Weatherford* & A. Parker*

author keywords: Active-front-end converter (AFEC) system; gate driver; medium voltage (MV); silicon carbide (SiC) devices; solid-state transformer; XHV-6
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 21, 2022

2021 journal article

Analytical Study of SiC MOSFET Based Inverter Output dv/dt Mitigation and Loss Comparison With a Passive dv/dt Filter for High Frequency Motor Drive Applications

IEEE ACCESS, 9, 15228–15238.

By: H. Kim n, A. Anurag n, S. Acharya* & S. Bhattacharya n

author keywords: Voltage control; Inverters; Power cables; Active filters; Passive filters; Transient analysis; Switches; 3-phase inverter; dv/dt filter; gate resistance; gate driver; high speed machine drives; silicon carbide (SiC); wide bandgap devices (WBG)
TL;DR: In this paper, an analysis based on the impact of gate resistance on the dv/dt across the machine, and the corresponding losses is carried out and an analytical d v/dt filter design strategy is proposed to limit the dV/dt to a particular value. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 27, 2021

2021 article

Solid State Transformer for Medium Voltage Grid Applications Enabled by 10 kV SiC MOSFET based Three-Phase Converter Systems

2021 IEEE 12TH ENERGY CONVERSION CONGRESS AND EXPOSITION - ASIA (ECCE ASIA), pp. 906–913.

By: A. Anurag n, S. Acharya n & S. Bhattacharya n

author keywords: 10 kV XHV modules; dual active bridge; solid-state transformer; transformer isolation; XHV modules
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

2020 journal article

Gate Drivers for Medium-Voltage SiC Devices

IEEE Journal of Emerging and Selected Topics in Industrial Electronics, 2(1), 1–12.

By: A. Anurag n, S. Acharya*, N. Kolli n & S. Bhattacharya n

Source: ORCID
Added: December 30, 2020

2019 journal article

An Accurate Calorimetric Loss Measurement Method for SiC MOSFETs

IEEE Journal of Emerging and Selected Topics in Power Electronics, 8(2), 1644–1656.

By: A. Anurag n, S. Acharya* & S. Bhattacharya n

author keywords: Loss measurement; Semiconductor device measurement; Temperature measurement; Switching loss; Switches; Current measurement; MOSFET; Calorimetric methods; conduction losses; hard switching losses; semiconductor devices; SiC MOSFET; silicon carbide; switching loss measurement
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: May 2, 2020

2019 journal article

Gate Drivers for High-Frequency Application of Silicon-Carbide MOSFETs

IEEE POWER ELECTRONICS MAGAZINE, 6(3), 18–31.

By: A. Anurag n, S. Acharya n & S. Bhattacharya n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 30, 2019

2019 journal article

Performance Evaluation of a Loop Thermosyphon-Based Heatsink for High-Power SiC-Based Converter Applications

IEEE Transactions on Components, Packaging and Manufacturing Technology, 10(1), 99–110.

By: S. Acharya n, A. Anurag n, S. Bhattacharya n & D. Pellicone*

Contributors: S. Acharya n, A. Anurag n, S. Bhattacharya n & D. Pellicone*

author keywords: Junctions; Silicon carbide; Reliability; Cooling; Multichip modules; Manufacturing; Continuous tests; loop thermosyphon; low-fundamental-frequency operations; medium voltage; silicon carbide devices; thermal management system (TMS); wide bandgap (WBG) devices
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: January 16, 2020

2019 journal article

Thermal Performance and Reliability Analysis of a Medium-Voltage Three-Phase Inverter Considering the Influence of High $dv/dt$ on Parasitic Filter Elements

IEEE Journal of Emerging and Selected Topics in Power Electronics, 8(1), 486–494.

By: A. Anurag n, S. Acharya*, S. Bhattacharya n & T. Weatherford*

Contributors: A. Anurag n, S. Acharya*, S. Bhattacharya n & T. Weatherford*

author keywords: 10-kV SiC MOSFETs; lifetime modeling; medium voltage (MV); silicon carbide (SiC); thermal performance
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: February 4, 2020

2018 article

Active Gate Driver for SiC-MOSFET-Based PV Inverter With Enhanced Operating Range

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, Vol. 55, pp. 1677–1689.

By: S. Acharya n, X. She, F. Tao*, T. Frangieh*, M. Todorovic* & R. Datta*

author keywords: Active gate driver (AGD); diode reverse recovery; photovoltaic (PV) inverter; SiC-MOSFET; wide bandgap gap (WBG)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 25, 2019

2018 conference paper

An accurate calorimetric method for measurement of switching losses in silicon carbide (SiC) MOSFETs

Thirty-third annual ieee applied power electronics conference and exposition (apec 2018), 2018-March, 1695–1700.

By: A. Anurag n, S. Acharya n, Y. Prabowo n, G. Gohil*, H. Kassa n & S. Bhattacharya n

Contributors: A. Anurag n, S. Acharya n, Y. Prabowo n, G. Gohil*, H. Kassa n & S. Bhattacharya n

Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

Design Considerations and Development of an Innovative Gate Driver for Medium-Voltage Power Devices With High dv/dt

IEEE Transactions on Power Electronics, 34(6), 5256–5267.

By: A. Anurag n, S. Acharya n, Y. Prabowo n, G. Gohil* & S. Bhattacharya n

Contributors: A. Anurag n, S. Acharya n, Y. Prabowo n, G. Gohil* & S. Bhattacharya n

author keywords: Boost converter; buck converter; continuous tests; coupling capacitance; double pulse test; dv/dt immunity; gate driver; medium voltage (MV); silicon carbide (SiC) devices
UN Sustainable Development Goal Categories
Sources: ORCID, Crossref, NC State University Libraries
Added: July 22, 2019

2018 conference paper

Efficiency improvement of three port high frequency transformer isolated triple active bridge converter

Thirty-third annual ieee applied power electronics conference and exposition (apec 2018), 2018-March, 1807–1814.

By: R. Chattopadhyay n, G. Gohil*, S. Acharya n, V. Nair n & S. Bhattacharya n

Contributors: R. Chattopadhyay n, G. Gohil*, S. Acharya n, V. Nair n & S. Bhattacharya n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2018 article

Thermal Performance Evaluation of a 1.7-kV, 450-A SiC-MOSFET Based Modular Three-Phase Power Block With Wide Fundamental Frequency Operations

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, Vol. 55, pp. 1795–1806.

By: S. Acharya n, X. She*, M. Todorovic*, R. Datta* & G. Mandrusiak*

author keywords: Low fundamental frequency; power block; reliability; Si-IGBT; Silicon Carbide (SiC); thermal stress; wide bandgap; wind converter
TL;DR: The results indicate that the SiC-mosfet modulebased power block can be a promising replacement for the Si-IGBT based power block especially in applications where wide range of fundamental frequency operations are needed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 25, 2019

2017 conference paper

Applications and characterization of four quadrant GaN switch

2017 ieee energy conversion congress and exposition (ecce), 2017-January, 1967–1974.

By: U. Raheja n, G. Gohil n, K. Han n, S. Acharya n, B. Baliga n, S. Battacharya n, M. Labreque*, P. Smith*, R. Lal*

Contributors: U. Raheja n, G. Gohil n, K. Han n, S. Acharya n, B. Baliga n, S. Battacharya n, M. Labreque*, P. Smith*, R. Lal*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2017 conference paper

Damping of power oscillations induced by photovoltaic plants using distributed series-connected FACTS devices

2017 ieee industry applications society annual meeting, 2017-January, 1–7.

By: G. Chavan n, S. Acharya n, S. Bhattacharya n & H. Inam*

Contributors: G. Chavan n, S. Acharya n, S. Bhattacharya n & H. Inam*

TL;DR: This paper proposes a power oscillation damping (POD) controller using multiple Static Series Synchronous Compensators connected in series on a single transmission line and is implemented in PSCAD to damp power oscillations in NYPA's network. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2017 conference paper

Investigation of dc-network resonance-related instabilities in VSC-based multi-terminal HVDC systems with tests in a Real-Time Digital Simulator

2017 19th european conference on power electronics and applications (epe'17 ecce europe), 2017-January, P1–P10.

By: G. Pinares*, M. Bongiorno, S. Acharya n & S. Bhattacharya n

Contributors: G. Pinares*, M. Bongiorno, S. Acharya n & S. Bhattacharya n

Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2017 conference paper

Medium voltage power conversion architecture for high power PMSG based wind energy conversion system (WECS)

2017 ieee energy conversion congress and exposition (ecce), 2017-January, 3329–3336.

By: S. Acharya n, S. Hazra n, K. Vechalapu n & S. Bhattacharya n

Contributors: S. Acharya n, S. Hazra n, K. Vechalapu n & S. Bhattacharya n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2017 conference paper

One switching cycle current control strategy for triple active bridge phase-shifted DC-DC converter

2017 ieee industry applications society annual meeting, 2017-January, 1–8.

By: R. Chattopadhyay n, S. Acharya n, G. Gohil n & S. Bhattacharya n

Contributors: R. Chattopadhyay n, S. Acharya n, G. Gohil n & S. Bhattacharya n

TL;DR: Two types of one cycle current control method for Triple Active Bridge (TAB) phase-shifted DC-DC converter integrating Renewable Energy Source, Energy Storage System and a output dc bus are presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2016 conference paper

application of static synchronous series compensators in mitigating Ferranti effect

2016 ieee power and energy society general meeting (pesgm), 2016-November.

By: G. Chavan n, S. Acharya n, S. Bhattacharya n, D. Das* & H. Inam*

Contributors: G. Chavan n, S. Acharya n, S. Bhattacharya n, D. Das* & H. Inam*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2015 conference paper

Comparison of DC fault current limiting capability of various modular structured multilevel converters within a multi-terminal DC grid

2015 ieee energy conversion congress and exposition (ecce), 3184–3191.

By: S. Acharya n, K. Vechalapu n, S. Bhattacharya n & N. Yousefpoor*

Contributors: S. Acharya n, K. Vechalapu n, S. Bhattacharya n & N. Yousefpoor*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2015 conference paper

Control of modular dual active bridge DC/DC converter for photovoltaic integration

2015 ieee energy conversion congress and exposition (ecce), 3400–3406.

Contributors: A. Azidehak n, R. Chattopadhyay n, S. Acharya n, A. Tripathi n, M. Kashani n, G. Chavan n, S. Bhattacharya n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2015 conference paper

Dynamic performance evaluation of hybrid multi terminal HVAC/HVDC grid

2015 ieee energy conversion congress and exposition (ecce), 2287–2293.

By: S. Acharya n, S. Bhattacharya n & N. Yousefpoor*

Contributors: S. Acharya n, S. Bhattacharya n & N. Yousefpoor*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2015 conference paper

Operation of hybrid multi-terminal DC system under normal and DC fault operating conditions

2015 ieee energy conversion congress and exposition (ecce), 5386–5393.

By: S. Acharya n, A. Azidehak n, K. Vechalapu n, M. Kashani n, G. Chavan n, S. Bhattacharya n, N. Yousefpoor*

Contributors: S. Acharya n, A. Azidehak n, K. Vechalapu n, M. Kashani n, G. Chavan n, S. Bhattacharya n, N. Yousefpoor*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

Employment

Updated: July 29th, 2021 09:08

2021 - present

GE Global Research Niskayuna, NY, US
Lead Engineer Electrical Systems

2019 - 2021

ABB Corporate Research Center Raleigh, North Carolina, US
Scientist Electrification

2016 - 2016

GE Global Research Niskayuna, NY, US
Intern Power Electronics Group

Education

Updated: July 29th, 2021 09:01

2014 - 2019

North Carolina State University Raleigh, NC, US
PhD ECE

2008 - 2010

Indian Institute of Technology Kharagpur Kharagpur, West Bengal, IN
M.Tech Electrical Engineering department

2004 - 2008

Jadavpur University Kolkata, West Bengal, IN
Bachelor of Engineering Electrical Engineering

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