Works (24)

2022 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, 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
Sources: ORCID, Web Of Science
Added: April 14, 2022

2022 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, S. Acharya, N. Kolli, S. Bhattacharya, 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
Sources: ORCID, Web Of Science
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, A. Anurag, S. Acharya & S. Bhattacharya

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)
Sources: ORCID, Web Of Science
Added: January 27, 2021

2021 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

Source: ORCID
Added: December 30, 2020

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, S. Acharya & S. Bhattacharya

author keywords: 10 kV XHV modules; dual active bridge; solid-state transformer; transformer isolation; XHV modules
Sources: Web Of Science, ORCID
Added: July 11, 2022

2020 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, S. Acharya & S. Bhattacharya

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
Sources: ORCID, Crossref
Added: May 2, 2020

2020 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, A. Anurag, S. Bhattacharya & 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
Sources: ORCID, Crossref
Added: January 16, 2020

2020 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, S. Acharya, S. Bhattacharya & T. Weatherford*

author keywords: 10-kV SiC MOSFETs; lifetime modeling; medium voltage (MV); silicon carbide (SiC); thermal performance
Sources: ORCID, Crossref
Added: February 4, 2020

2019 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, 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)
Sources: Web Of Science, ORCID
Added: March 25, 2019

2019 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, S. Acharya, Y. Prabowo n, G. Gohil* & S. Bhattacharya

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
Sources: ORCID, Crossref
Added: July 22, 2019

2019 journal article

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

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

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

Sources: Web Of Science, ORCID
Added: September 30, 2019

2019 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, 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
Sources: Web Of Science, ORCID
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, S. Acharya, Y. Prabowo, G. Gohil*, H. Kassa & S. Bhattacharya

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

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.

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

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, S. Acharya, B. Baliga n, S. Battacharya n, M. Labreque*, P. Smith*, R. Lal*

Sources: 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, S. Acharya, S. Bhattacharya & H. Inam*

Sources: 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 & S. Bhattacharya

Sources: 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, S. Hazra, K. Vechalapu n & S. Bhattacharya

Sources: 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.

Sources: 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, S. Acharya, S. Bhattacharya, D. Das* & H. Inam*

Sources: 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, K. Vechalapu, S. Bhattacharya & N. Yousefpoor*

Sources: 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.

Sources: 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, S. Bhattacharya & N. Yousefpoor*

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

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

Employment

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

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