Works (51)

Updated: July 5th, 2023 15:31

2022 conference paper

A Unified Modeling Approach for a Multi-Active Bridge Converter

2022 International Power Electronics Conference (IPEC-Himeji 2022-ECCE Asia), 1614–1620.

By: V. Uttam & V. Iyer

Event: IEEE

Source: ORCID
Added: July 10, 2022

2022 article

Contactless power transfer system and method for controlling the same

Vijayan, P., Naik, R., Raghunathan, A. K., & Iyer, V. M. (2022, April).

By: P. Vijayan, R. Naik, A. Raghunathan & V. Iyer

Source: ORCID
Added: July 10, 2022

2022 article

Electric power system for a vehicle

Datta, R., Iyer, V. M., Osama, M., Huh, K. K., & Rallabandi, V. P. (2022, May).

By: R. Datta, V. Iyer, M. Osama, K. Huh & V. Rallabandi

Source: ORCID
Added: July 10, 2022

2021 conference paper

A Load Profile Based Optimized Piecewise Droop Control for DC Microgrids

2021 IEEE Fourth International Conference on DC Microgrids (ICDCM), 1–7.

By: S. Sharma, V. Iyer & S. Bhattacharya

Event: IEEE

Source: ORCID
Added: July 10, 2022

2021 conference paper

A Modified Droop Control Algorithm for DC Microgrids to Achieve Accurate Current Sharing and Improved Voltage Regulation

2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 119–125.

By: S. Sharma, V. Iyer, P. Das & S. Bhattacharya

Event: IEEE

Source: ORCID
Added: July 10, 2022

2021 journal article

An Active Voltage Stabilizer for a DC Microgrid System

IEEE ACCESS, 9, 86786–86800.

Contributors: V. Iyer*, S. Gulur*, S. Bhattacharya n, J. Kikuchi*, S. Sridharan*, K. Zou*, C. Chen*

author keywords: Voltage control; Microgrids; Impedance; Load modeling; Control systems; Stability criteria; Power system stability; Active stabilizer; DC microgrid; dual active bridge (DAB); energy storage; impedance emulation; small signal modeling; small signal impedance; stability
TL;DR: This paper analyzes the low-frequency stability challenges that exist in a complex DC microgrid (MG) system and proposes a hardware-based active voltage stabilizer solution that involves only local voltage sensing and are non-intrusive. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 26, 2021

2021 conference paper

Controller Design for the Rating-Proportional Current Sharing in Modular Hybrid Critical Load Substation Transformers

2021 IEEE 12th Energy Conversion Congress & Exposition-Asia (ECCE-Asia), 899–905.

By: Y. Prabowo, V. Iyer, S. Bhattacharya & E. Aeloiza

Event: IEEE

Source: ORCID
Added: July 10, 2022

2021 article

System and method for charging receiver devices

Vijayan, P., Ramachandrapanicker, S., Aravind, D., Raghunathan, A. K., & Iyer, V. M. (2021, January).

By: P. Vijayan, S. Ramachandrapanicker, D. Aravind, A. Raghunathan & V. Iyer

Source: ORCID
Added: July 10, 2022

2021 conference paper

Tertiary Control Method for Droop Controlled DC-DC converters in DC Microgrids

2021 IEEE Energy Conversion Congress and Exposition (ECCE), 694–699.

By: S. Sharma, V. Iyer, S. Bhattacharya, J. Kikuchi & K. Zou

Event: IEEE

Source: ORCID
Added: July 10, 2022

2020 journal article

A CM Filter Configuration for Grid-Tied Voltage Source Converters

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 67(10), 8100–8111.

Contributors: S. Gulur n, V. Mahadeva Iyer n & S. Bhattacharya n

author keywords: Common mode (CM) noise; CM filter; differential mode (DM) noise; DM filter; electromagnetic interference (EMI); electromagnetic compatibility (EMC); heat sink; voltage source inverter; voltage source rectifier
TL;DR: A CM filter is proposed, which uses passive components along with the converter's heat sink as a circulating return path for the CM currents, and the heat-sink potential has been shown to be touch safe during both ideal and nonideal grid conditions with the proposed CM filter. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 20, 2020

2020 conference paper

A Control Method of Hybrid Transformer enabled Harmonic Isolator for Sensitive Clustered Harmonic Loads

2020 IEEE Energy Conversion Congress and Exposition (ECCE), 4872–4878.

By: Y. Prabowo, V. Iyer, S. Bhattacharya & E. Aeloiza

Event: IEEE

Source: ORCID
Added: July 10, 2022

2020 conference paper

A Methodology for Seamless Hot-Swap of Converters in DC Microgrids

IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, 3143–3150.

By: S. Sharma, V. Iyer, S. Bhattacharya, J. Kikuchi, K. Zou & M. Gupta

Event: IEEE

Source: ORCID
Added: July 10, 2022

2020 conference paper

A Methodology to Select the Number of Cascaded Cells for a Medium Voltage Multilevel AC-DC Solid State Transformer

2020 IEEE Transportation Electrification Conference & Expo (ITEC), 55–61.

By: V. Iyer, S. Sharma & S. Bhattacharya

Event: IEEE

Source: ORCID
Added: July 10, 2022

2020 conference paper

An Active Damping Control Strategy for a Multi-Cell AC-DC Solid State Transformer

2020 IEEE Energy Conversion Congress and Exposition (ECCE), 4842–4848.

By: V. Iyer, S. Gulur & S. Bhattacharya

Event: IEEE

Source: ORCID
Added: July 10, 2022

2020 thesis

An Approach Towards Extreme Fast Charging Station Architecture for Electric Vehicles with Partial Power Processing

North Carolina State University.

By: V. Iyer

Source: ORCID
Added: July 10, 2022

2020 journal article

An Approach Towards Extreme Fast Charging Station Power Delivery for Electric Vehicles with Partial Power Processing

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 67(10), 8076–8087.

Contributors: V. Iyer n, S. Gulur n, G. Gohil* & S. Bhattacharya n

author keywords: Cascaded H-bridge (CHB) converter; dc fast charger; dc-dc power converters; dual active bridge (DAB); energy storage; fast charging station; partial power processing; phase-shifted full-bridge (PSFB); solid-state transformer (SST)
TL;DR: An approach for realizing the power delivery scheme for an extreme fast charging (XFC) station that is meant to simultaneously charge multiple electric vehicles (EVs) by making use of partial power rated dc–dc converters to charge the individual EVs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 20, 2020

2019 journal article

A Dual Loop Current Control Structure With Improved Disturbance Rejection For Grid Connected Converters

IEEE Transactions on Power Electronics, 34(10), 1–1.

By: S. Gulur n, V. Iyer n & S. Bhattacharya n

Contributors: S. Gulur n, V. Iyer n & S. Bhattacharya n

author keywords: Current control; dq frame; grid-connected converters; grid impedance variations; grid voltage harmonics; inverter control; voltage-source inverters; voltage unbalances
TL;DR: Simulation and experimental results are presented to validate the dual loop strategy for improved disturbance rejection capability and filtering action during the presence of grid voltage harmonics and unbalances, without compromising on the reference tracking performance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 2, 2019

2019 conference paper

A partial power converter interface for battery energy storage integration with a DC microgrid

2019 IEEE Energy Conversion Congress and Exposition (ECCE), 5783–5790.

By: V. Iyer, S. Gulur, S. Bhattacharya & R. Ramabhadran

Event: IEEE

Source: ORCID
Added: July 10, 2022

2019 conference paper

Adaptive Control of a Hybrid Energy Storage System for Wave Energy Conversion Application

2019 IEEE Energy Conversion Congress and Exposition (ECCE), 4994–5001.

By: A. Agarwal, V. Iyer, A. Anurag & S. Bhattacharya

Event: IEEE

Source: ORCID
Added: July 10, 2022

2019 conference paper

An active voltage stabilizer for a generic dc microgrid

2019 IEEE Energy Conversion Congress and Exposition (ECCE), 462–468.

By: V. Iyer, S. Gulur, S. Bhattacharya, J. Kikuchi, S. Sridharan, K. Zou, C. Chen

Event: IEEE

Source: ORCID
Added: July 10, 2022

2019 conference paper

Modeling and Stability Assessment of Single-Phase Droop Controlled Solid State Transformer

2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019-ECCE Asia), 3285–3291.

By: Y. Prabowo, V. Iyer, B. Kim & S. Bhattacharya

Event: IEEE

Source: ORCID
Added: July 10, 2022

2019 journal article

Optimal Integration of Hybrid Energy Storage System with Wave Energy Converter Systems and Analysis of Spatial WEC Array Arrangement

By: A. Agarwal, V. Iyer, S. Hazra & S. Bhattacharya

Source: ORCID
Added: July 10, 2022

2019 journal article

Small-Signal Stability Assessment and Active Stabilization of a Bidirectional Battery Charger

IEEE Transactions on Industry Applications, 55(1), 563–574.

By: V. Iyer, S. Gulur & S. Bhattacharya*

Contributors: V. Iyer, S. Gulur & S. Bhattacharya*

author keywords: AC-DC power converters; active damping; active stabilization; battery charger; dual active bridge (DAB); impedance modeling; small-signal modeling; stability; virtual resistance; voltage source converter (VSC)
TL;DR: A virtual-resistor-based active damping control strategy that does not require any additional sensors is explored for the ac–dc converter to stabilize the cascaded system under all operating modes irrespective of the power flow direction. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 2, 2019

2019 article

System and method for fault ride through

Vijayan, P., Prabhakaran, S., Collins, J. O., & Iyer, V. M. (2019, November).

By: P. Vijayan, S. Prabhakaran, J. Collins & V. Iyer

Source: ORCID
Added: July 10, 2022

2018 conference paper

An Approach to Unified Full-Order Modeling of Dual Active Bridge Type Converters

IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, 986–992.

Contributors: S. Shah n, V. Iyer n & S. Bhattacharya n

Event: IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society

TL;DR: It is theorised that single-phase DAB converter operating in any of its multiple modes and modulation may be modeled as four dual active half-bridge (DAHB)circuits operating in simple phase-shift modulation. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: March 2, 2019

2018 report

DC converters with modified droop control and method of use

(US Patent No. US10097095B2). https://patents.google.com/patent/US10097095B2/en

By: P. Vijayan & V. Iyer

Source: NC State University Libraries
Added: October 25, 2020

2018 article

DC converters with modified droop control and method of use

Vijayan, P., & Iyer, V. M. (2018, October).

By: P. Vijayan & V. Iyer

Source: ORCID
Added: July 10, 2022

2018 report

Dc converters with modified droop control and method of use

(US Patent No. US20180083545A1). https://patents.google.com/patent/US20180083545A1/en

By: P. Vijayan & V. Iyer

Source: NC State University Libraries
Added: October 25, 2020

2018 journal article

Design, Package, and Hardware Verification of a High-Voltage Current Switch

IEEE Journal of Emerging and Selected Topics in Power Electronics, 6(1), 441–450.

By: A. De*, A. Morgan n, V. Iyer n, H. Ke n, X. Zhao n, K. Vechalapu n, S. Bhattacharya n, D. Hopkins n

Contributors: A. De*, A. Morgan n, V. Mahadeva Iyer n, H. Ke n, X. Zhao n, K. Vechalapu n, S. Bhattacharya n, D. Hopkins n

author keywords: Current switch; high voltage (HV); IGBT and series diode; packaging; silicon carbide (SiC); wide bandgap
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, Crossref, NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

Exact Solution of ZVS Boundaries and AC Currents in Dual Active Bridge Type DC-DC Converters

IEEE Transactions on Power Electronics, 34(6), 1–1.

Contributors: S. Shah n, V. Iyer n & S. Bhattacharya n

author keywords: AC current; bidirectional dc-dc converter; dual active bridge (DAB); modeling; peak current; RMS current; soft switching; zero voltage switching (ZVS); ZVS boundaries
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 2, 2019

2018 journal article

Exact Solution of ZVS Boundaries and AC-Port Currents in Dual Active Bridge Type DC--DC Converters

IEEE Transactions on Power Electronics, 34(6), 5043–5047.

By: S. Shah, V. Iyer & S. Bhattacharya

Source: ORCID
Added: July 10, 2022

2018 conference paper

Extreme fast charging station architecture for electric vehicles with partial power processing

2018 IEEE Applied Power Electronics Conference and Exposition (APEC), 2018-March, 659–665.

Event: 2018 IEEE Applied Power Electronics Conference and Exposition (APEC)

TL;DR: A power delivery architecture for an Extreme Fast Charging (XFC) station that is meant to simultaneously charge multiple electric vehicles (EVs) with a 300-mile range battery pack in about 15 minutes is introduced. (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

2018 conference paper

Improved Common Mode Noise Models for Three Level T-Type Neutral Point Clamped Converters

2018 IEEE Energy Conversion Congress and Exposition (ECCE), 6398–6403.

By: S. Gulur n, V. Iyer n & S. Bhattacharya n

Contributors: S. Gulur n, V. Iyer n & S. Bhattacharya n

Event: 2018 IEEE Energy Conversion Congress and Exposition (ECCE)

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: March 2, 2019

2018 conference paper

Proportional integral — Resonant and dual loop current control structure comparison for grid connected converters in the rotating frame

2018 IEEE Applied Power Electronics Conference and Exposition (APEC), 2018-March, 1617–1623.

Contributors: S. Gulur n, V. Iyer n & S. Bhattacharya n

Event: 2018 IEEE Applied Power Electronics Conference and Exposition (APEC)

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 conference paper

Small-Signal Modeling and Controller Design Considerations for Dyna-C AC-DC Converter

2018 IEEE Energy Conversion Congress and Exposition (ECCE), 1513–1520.

By: A. Wiemer*, V. Iyer n, A. Hinz*, S. Bhattacharya n & R. Doncker*

Contributors: A. Wiemer*, V. Iyer n, A. Hinz*, S. Bhattacharya n & R. De Doncker*

Event: 2018 IEEE Energy Conversion Congress and Exposition (ECCE)

TL;DR: A space vector based modulation strategy is developed, presented, presented and validated by simulation on the proposed small signal model for Dyna-C ac-dc converter, and a two stage closed loop control approach is developed. (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: March 2, 2019

2018 conference paper

Stationary reference frame based current control structure with improved disturbance rejection for grid connected converters

2018 IEEE Applied Power Electronics Conference and Exposition (APEC), 2018-March, 1031–1035.

Contributors: S. Gulur n, V. Iyer n & S. Bhattacharya n

Event: 2018 IEEE Applied Power Electronics Conference and Exposition (APEC)

TL;DR: A virtual loop based current control structure for improving the voltage and the current disturbance rejection capability and decouples the reference tracking and disturbance rejection leading to simpler controller designs is introduced. (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

2018 report

System and method for charging receiver devices

(US Patent No. US20180041066A1). https://patents.google.com/patent/US20180041066A1/en

By: P. Vijayan, S. Ramachandrapanicker, D. Aravind, A. Raghunathan & V. Iyer

Source: NC State University Libraries
Added: October 25, 2020

2018 article

System and method for charging receiver devices

Vijayan, P., Ramachandrapanicker, S., Aravind, D., RAGHUNATHAN, A. K., & IYER, V. M. (2018, February). Google Patents.

By: P. Vijayan, S. Ramachandrapanicker, D. Aravind, A. Raghunathan & V. Iyer

Source: ORCID
Added: July 10, 2022

2017 conference paper

A dual loop current control structure with improved disturbance rejection for grid connected converters in the synchronous rotating reference frame

2017 ieee energy conversion congress and exposition (ecce), 2017-January, 3890–3896.

Contributors: S. Gulur n, V. Iyer n & S. Bhattacharya n

Event: IEEE

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 report

Contactless power transfer system and method for controlling the same

(US Patent No. US20170179769A1). https://patents.google.com/patent/US20170179769A1/en

By: P. Vijayan, R. Naik, A. Raghunathan & V. Iyer

Source: NC State University Libraries
Added: October 25, 2020

2017 journal article

Design, package, and hardware verification of a high voltage current switch

IEEE Journal of Emerging and Selected Topics in Power Electronics, (99).

By: A. De, A. Morgan, V. Iyer, H. Ke, X. Zhao, K. Vechalapu, S. Bhattacharya, D. Hopkins

Source: ORCID
Added: July 10, 2022

2017 conference paper

Hybrid control strategy to extend the ZVS range of a dual active bridge converter

2017 IEEE Applied Power Electronics Conference and Exposition (APEC), 2035–2042.

Contributors: V. Iyer n, S. Gulur n & S. Bhattacharya n

Event: 2017 IEEE Applied Power Electronics Conference and Exposition (APEC)

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

Optimal design methodology for dual active bridge converter under wide voltage variation

2017 ieee transportation electrification conf and expo (itec), 413–420.

Contributors: V. Iyer n, S. Gulur n & S. Bhattacharya n

Event: IEEE

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

Small-signal modeling and stability analysis of a bidirectional electric vehicle charger

2017 ieee 6th international conference on renewable energy research and applications (icrera), 1030–1035.

Event: IEEE

TL;DR: This paper addresses the stability challenges that exist in a bidirectional grid connected electric vehicle (EV) charger and small-signal models suited for stability analysis of this charger are derived. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2017 report

System and method for fault ride through

(US Patent No. US20170141570A1). https://patents.google.com/patent/US20170141570A1/en

By: P. Vijayan, S. Prabhakaran, J. Collins & V. Iyer

Source: NC State University Libraries
Added: October 25, 2020

2017 conference paper

Variable DC bus control for a bidirectional on-board electric vehicle charger

2017 ieee 6th international conference on renewable energy research and applications (icrera), 1041–1046.

Event: IEEE

TL;DR: The proposed control strategy helps to minimize circulating reactive currents in the DAB converter and extends the soft-switching operating range of the same to achieve high system efficiency. (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

Design, package, and hardware verification of a high voltage current switch

Applied Power Electronics Conference and Exposition (APEC), 2016 IEEE, 295–302.

By: A. De, A. Morgan, V. Mahadeva Iyer, H. Ke, X. Zhao, K. Vechalapu, S. Bhattacharya, D. Hopkins

Event: IEEE

Source: ORCID
Added: July 10, 2022

2015 conference paper

High-frequency, high-current transformer designs for Silicon Carbide based LLC converters

2015 IEEE Energy Conversion Congress and Exposition (ECCE), 5650–5656.

By: V. Iyer*, S. Prabhakaran* & P. Vijayan*

Event: 2015 IEEE Energy Conversion Congress and Exposition (ECCE)

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: March 2, 2019

2015 journal article

Low-frequency dc bus ripple cancellation in single phase pulse-width modulation inverters

IET Power Electronics, 8(4), 497–506.

By: V. Iyer & V. John*

Contributors: V. Mahadeva Iyer* & V. John*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 2, 2019

2013 thesis

DC Bus Current Ripple Management in Single Phase PWM Inverters

By: M. Vishnu

Source: ORCID
Added: July 10, 2022

2013 report

DC Bus Current Ripple Management in Single Phase PWM Inverters

[Project report]. http://www.ee.iisc.ac.in/new/people/faculty/vjohn/pdf/ME2013_VishnuM.pdf

By: V. Iyer

Source: NC State University Libraries
Added: June 9, 2019

Employment

Updated: May 28th, 2022 11:19

2020 - present

Indian Institute of Science Bangalore, Karnataka, IN
Assistant Professor Electrical Engineering

2020 - 2020

GE Research Niskayuna, NY, US
Lead Engineer

2013 - 2015

GE Research Bangalore, KA, IN
Engineer

Education

Updated: May 28th, 2022 11:22

2015 - 2019

North Carolina State University Raleigh, North Carolina, US
PhD ECE

2011 - 2013

Indian Institute of Science Bangalore, KA, IN
ME Electrical Engineering

2007 - 2011

College of Engineering Trivandrum Thiruvananthapuram, Kerala, IN
BTech Electrical Engineering

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