VINOD JOHN
Dept. of Electrical Engineering ⋄ Indian Institute of Science, Bangalore 560012
(080) · 2293 · 2928 ⋄ vjohn@ee.iisc.ernet.in
RESEARCH INTEREST
Power electronics, distributed generation, power quality, switched-mode converters
EDUCATION
Ph.D. in Electrical Engineering
University of Wisconsin, Madison, USA
1999
M.S. in Electrical Engineering
University of Minnesota, Minneapolis, USA
1994
Bachelor of Technology in Electrical Engineering
Indian Institute of Technology - Madras, Chennai, India
1992
PUBLICATIONS
Journals, conference proceedings, technical reports and patents
J24 P. Bharadwaj; K. N. Chaudhury; V. John, “Sequential Optimization for PV Panel Parameter Estimation,” Accepted for publication in IEEE Journal of Photovoltaics, 2016.
J23 N. Vamanan; V. John, “Dual comparison one cycle control for single phase AC to DC converters,”
Accepted for publication in IEEE Transactions on Industry Applications, 2016.
J22 K. Saichand; V. John, “PWM block method for control of ultracapacitor based bidirectional DC/DC
backup system,” Accepted for publication in IEEE Transactions on Industry Applications, 2016.
J21 M.H. Hedayati, John, V., “Novel Integrated Common-Mode Inductor Design for Parallel Interleaved
Converters,” Accepted for publication IET Power Electronics, 2016.
J20 Kulkarni, Abhijit, John, V., “HF transformer based grid-connected inverter topology for photovoltaic
systems,” IETE Technical Review, vol.33, no.1, pp.69,75, June 2016.
J19 A. Kulkarni, John, V., “Design of synchronous reference frame phase-locked loop with the presence of
dc offsets in the input voltage,” IET Power Electronics, vol.8, no.12, pp.2435-2443, Dec 2015.
J18 Mahadeva Iyer, V., John, V., “Low Frequency DC Bus Ripple Cancellation in Single Phase PWM
Inverters,” IET Power Electronics, vol.8, no.4, pp.497-506, Apr. 2015.
J17 Ghoshal, A., John, V., “Active damping of LCL filter at low switching to resonance frequency ratio,”
IET Power Electronics, vol.8, no.4, pp.574-582, Apr. 2015.
J16 Balasubramanian, A.K., John, V., “Thermal test method for high power three-phase grid-connected
inverters,” IET Power Electronics, vol.8, no.9, pp.1670-1680, Sept. 2015.
J15 Ghoshal, A., John, V., “A controller design method for 3 phase 4 wire grid connected VSI with LCL
filter,” Sadhana, vol.40, no.5, pp.1481-1499, Aug. 2015.
J14 Balasubramanian, A.K., John, V., “Thermal test method for high power three-phase grid-connected
inverters,” IET Power Electronics, vol.8, no.9, pp.1670-1680, Sept. 2015.
J13 M.H. Hedayati, John, V., “Filter Configuration and PWM Method For Single-Phase Inverters With
Reduced Conducted EMI Noise,” IEEE Transactions on Industry Applications, vol.51, no.4, pp.32363243, July-Aug. 2015.
J12 M.H. Hedayati, Anirudh A., John, V., “Common Mode And Differential Mode Active Damping For
PWM Rectifiers,” IEEE Transactions on Power Electronics, vol.29, no.6, pp.3188,3200, June 2014.
J11 A. Kulkarni, John, V., “Analysis of Bandwidth - Unit Vector Distortion Trade Off in PLL During
Abnormal Grid Conditions,” IEEE Transactions on Industrial Electronics, vol. 60, no. 12, pp. 58205829, Dec. 2013.
J10 Arun K.B., John, V., “Analysis and Design of Split-Capacitor Resistive-Inductive Passive Damping for
LCL Filters in Grid-Connected Inverters,” IET Power Electronics, vol. 6, issue 9, pp.1822 - 1832, Nov.
2013.
J9 M.H. Hedayati, Anirudh A., John, V., “Common Mode Filter Design for PWM Rectifier Motor Drives,”
IEEE Transactions on Power Electronics , vol.28, no.11, pp.5364-5371, Nov. 2013.
J8 A. Kulkarni, John, V., “Mitigation of Lower Order Harmonics in a Grid Connected Single Phase PV
Inverter,” IEEE Transactions on Power Electronics , vol.28, no.11, pp.5024-5037, Nov. 2013.
J7 D. Venkatramanan, John, V., “Integrated Higher Order PWM Filter-Transformer Structure for Single
Phase STATCOM,” IET Power Electronics , vol.6, no.1, pp.67-77, Jan. 2013.
J6 P. Channegowda, John, V., “Filter Optimization for Grid Interactive Voltage Source Inverters,” IEEE
Transactions on Industrial Electronics, vol.57, no.12, pp.4106-4114, Dec. 2010.
J5 V. John, Zhihong Ye, A. Kolwalkar, “Investigation of anti-islanding protection of power converter based
distributed generators using frequency domain analysis,” IEEE Transactions on Power Electronics,
(Special Issues on Distributed Generation), Vol. 19, Issue 5, Sept. 2004, pp.1177 1183.
J4 A.V. Stankovic, E.L. Benedict, V. John, T.A. Lipo, “A novel method for measuring induction machine
magnetizing inductance,” IEEE Transactions on Industry Applications, Vol. 39, Issue 5, Sept.-Oct.
2003, pp.1257 1263.
J3 R.O.C. Lyra, B.J. Cardoso Filho, V. John, T.A. Lipo, “Coaxial current transformer for test and characterization of high-power semiconductor devices under hard and soft switching,” IEEE Transactions
on Industry Applications, Vol. 36, Issue 4, July-Aug. 2000, pp.1181 1188.
J2 V. John, B.S. Suh, T.A. Lipo, “High-performance active gate drive for high-power IGBTs,” IEEE
Transactions on Industry Applications, Vol. 35, No. 5, Sept / Oct. 1999, pp.1108 - 1117.
J1 V. John, B.S. Suh, T.A. Lipo, “Fast-Clamped Short-Circuit Protection of IGBTs,” IEEE Transactions
on Industry Applications, Vol. 35, No. 2, March / April - 1999, pp. 477-486.
C63 Pallavi Bharadwaj, V. John, “Cost Benefit Comparison of Grid-tied and Dual-Mode PV System Considering Grid Outage Duration,” Proceedings of the Indo-German Conference on Sustainability 2016.
C62 Abhijit Kulkarni, V. John, “Design of a fast response time single-phase PLL with DC offset rejection
capability,” IEEE Applied Power Electronics Conference and Exposition (APEC 2016), Long Beach,
CA, 2016, pp. 2200-2206.
C61 Abhijit Kulkarni, V. John, “New start-up scheme for HF transformer link photovoltaic inverter,” IEEE
Applied Power Electronics Conference and Exposition (APEC 2016), Long Beach, CA, 2016, pp. 34393445.
C60 Mohammad H. Hedayati, V. John, “Ground leakage current reduction in single-phase grid-connected
power converter,” 2015 Intl Conference on Optimization of Electrical & Electronic Equipment (OPTIM)
& (ACEMP) & (ELECTROMOTION), Side, 2015, pp. 107-112, 2015.
C59 Mohammad H. Hedayati, V. John, “High performance parallel single-phase converter reconfiguration
for enhanced availability,” 2015 Intl Conference on Optimization of Electrical & Electronic Equipment
(OPTIM) & (ACEMP) & (ELECTROMOTION), Side, 2015, pp. 52-57, 2015.
C58 Adapa, A.K., V. John, “Single phase to three phase power conversion using reduced rated inverters,”
IEEE Signal Processing, Informatics, Communication and Energy Systems (SPICES 2015), Calicut,
India, pp.1-6, Feb. 2015.
C57 Nimesh V, V. John, “Inductive drop compensation in one cycle controlled AC-DC active rectifiers,”
IEEE Transportation Electrification Conference (ITEC 2015), Chennai, India, Aug 27 - 29, 2015.
C56 Mohammad H. Hedayati, V. John, “Novel integrated CM inductor for single-phase power converters
with reduced EMI,” IEEE Transportation Electrification Conference (ITEC 2015), Chennai, India, Aug
27 - 29, 2015.
C55 Abhijit Kulkarni, V. John, “High performance modulation of high-frequency AC link inverter,” IEEE
Transportation Electrification Conference (ITEC 2015), Chennai, India, Aug 27 - 29, 2015.
C54 Gulur Srinivas, B Arun Karuppaswamy, V. John, “A thermal enclosure model for inverters,” IEEE
Transportation Electrification Conference (ITEC 2015), Chennai, India, Aug 27 - 29, 2015.
C53 B Arun Karuppaswamy, Gulur Srinivas, V. John, “A Novel Thermal Performance Evaluation Method
for Inverter Passive Components,” IEEE Transportation Electrification Conference (ITEC 2015), Chennai, India, Aug 27 - 29, 2015.
C52 Subhash Joshi T G, V. John, “Static and Dynamic Balancing Network for Crowbar Application,”
National Power Electronics Conference (NPEC2015), IIT Bombay, India, Dec 21 - 23, 2015.
C51 Subhash Joshi T G, V. John, “Design and Evaluation of Mounting Clamps for Crowbar Application,”
National Power Electronics Conference (NPEC2015), IIT Bombay, India, Dec 21 - 23, 2015.
C50 Saichand Kasicheyanula, V. John, “Virtual resistance based control for Ultracapacitor based bidirectional dc-dc backup system,” National Power Electronics Conference (NPEC2015), IIT Bombay, India,
Dec 21 - 23, 2015.
C49 Pallavi Bharadwaj, Abhijit Kulkarni, V. John, “Impedance Estimation of Photovoltaic Modules for
Inverter Start-up Analysis,” National Power Electronics Conference (NPEC2015), IIT Bombay, India,
Dec 21 - 23, 2015.
C48 Anil K Adapa, Venkatramanan D, V. John, “Auxiliary Subsystems of a General Purpose IGBT Stack for
High Performance Laboratory Power Converters,” National Power Electronics Conference (NPEC2015),
IIT Bombay, India, Dec 21 - 23, 2015.
C47 Venkatramanan D, Anil Kumar Adapa, V. John, “Design and Comparative Study of Discrete and
Module based IGBT Power Converters,” National Power Electronics Conference (NPEC2015), IIT
Bombay, India, Dec 21 - 23, 2015.
C46 Shimul Kumar Dam, V. John, “Battery Impedance Spectroscopy Using Bidirectional Grid Connected
Converter,” National Power Electronics Conference (NPEC2015), IIT Bombay, India, Dec 21 - 23, 2015.
C45 M. Hedayati and V. John., “Filter configuration and pwm method for single phase inverters with reduced
conducted emi noise,” IEEE Transportation Electrification Conference and Expo (ITEC 2014), Beijing,
China, Sep. 2014.
C44 Baiju P., John, V., “An accurate CV-CC Non-isolated Buck Battery Charger Using Primary side PWM
Controller,” IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES
2014), IIT Bombay, India, Dec 16 - 19, 2014.
C43 Saichand K., John, V., “Switch Control of Ultracapacitor based Bidirectional DC/DC Backup System
using PWM Block method,” IEEE International Conference on Power Electronics, Drives and Energy
Systems (PEDES 2014), IIT Bombay, India, Dec 16 - 19, 2014.
C42 M.H.Hedayati, John, V., “Integrated CM Inductor Design for Parallel Converters with Interleaved
Carrier,” IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES
2014), IIT Bombay, India, Dec 16 - 19, 2014.
C41 Ashish K., John, V., “Power Electronic Converter for Characterization of Hall-effect Current Sensors,”
IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2014), IIT
Bombay, India, Dec 16 - 19, 2014.
C40 Arun K.B., Srinivas G., John, V., “A Grid Simulator to Evaluate Control Performance of Grid Connected Inverters,” IEEE International Conference on Power Electronics, Drives and Energy Systems
(PEDES 2014), IIT Bombay, India, Dec 16 - 19, 2014.
C39 Abhijit K., John, V., “Thermal Model for Paralleled Surface-Mount Power MOSFETs,” IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2014), IIT Bombay,
India, Dec 16 - 19, 2014.
C38 Nimesh V., John, V., “Dual Comparison One Cycle Control for Single Phase AC to DC Converters,”
IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2014), IIT
Bombay, India, Dec 16 - 19, 2014.
C37 Pallavi B., John, V., “Design, Fabrication and Evaluation of Solar Irradiation Meter,” IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2014), IIT Bombay,
India, Dec 16 - 19, 2014.
C36 Pallavi B., John, V., “Direct Duty Ratio Controlled MPPT Algorithm for Boost Converter in Continuous and Discontinuous Modes of Operation,” IEEE India International Conference on Power Electronics
(IICPE 2014), NIT Kurukshetra, India, Dec 8 - 10, 2014.
C35 Abhijit K., John, V., “High-Frequency Transformer Based Grid-connected Inverter Topology for Photovoltaic Systems,” International Conference on Emerging Electronics (ICEE 2014), IISc Bangalore,
India, Dec 4 - 6, 2014.
C34 Ashish Kumar, V. John, “Compensator Design for Closed Loop Hall-Effect Current Sensors,” Sixth
National Power Electronics Conference 2013 (NPEC 2013), IIT Kanpur, India, Dec 20 - 22, 2013.
C33 M Shamveel T M, V. John, “Isolated Bidirectional DC-DC Power Supply for Charging and Discharging
Battery,” Sixth National Power Electronics Conference 2013 (NPEC 2013), IIT Kanpur, India, Dec 20
- 22, 2013.
C32 M.H. Hedayati, V. John, “Design of a 3-Phase Line Impedance Stabilization Network for Conducted
Emission Test,” Sixth National Power Electronics Conference 2013 (NPEC 2013), IIT Kanpur, India,
Dec 20 - 22, 2013.
C31 K. Saichand, Akshay Kumrawat, V. John, “Design of Start-up Power Circuit for Control Power Supplies
with Wide Input Voltage Variation,” Sixth National Power Electronics Conference 2013 (NPEC 2013),
IIT Kanpur, India, Dec 20 - 22, 2013.
C30 Abhijit K, V. John, “A Novel Design Method for SOGI-PLL for Minimum Settling Time and Low Unit
Vector Distortion,” in Proc. 39th Annual Conference of IEEE Industrial Electronics Society, IECON
2013 at Vienna, Austria, Nov. 2013, pp. 274-279.
C29 Akshay Kumrawat, K Saichand, V. John, “Design of AC-DC control power supply with wide input
voltage variation,” IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia), 2013, Bengaluru,
Nov 10 - 13, 2013.
C28 S Raghu Raman, B Saritha, V. John, “Computationally efficient and accurate modeling of Li-ion battery,” IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia), 2013, Bengaluru, Nov 10 - 13, 2013.
C27 M.H. Hedayati, V. John, “Circulating Power Test of PWM Rectifier Motor Drive, IEEE International
PEDES 2012 Conference, Bengaluru, Dec 16 19, 2012.
C26 Nimesh V, V. John, “Comparison of One Cycle Control of Charge and Current for Bi-directional Boost
Rectifiers,” IEEE International PEDES 2012 Conference, Bengaluru, Dec 16 19, 2012.
C25 Krishna Kumar MJ, V. John, “Comparison of 3-phase, 3-level UPF Rectifier Circuits for High Power
Applications,” IEEE International PEDES 2012 Conference, Bengaluru, Dec 16 19, 2012.
C24 Anirban Ghoshal, V. John, “Design of Current Controlled Three Phase Grid Connected VSI for Operation Under Non-ideal Grid Condition,” Centenary Conference, 2011 - Electrical Engineering, Indian
Institute of Science, Bangalore, 15th-17th December, 2011.
C23 Anirban Ghoshal, V. John, “DC Bus Imbalance Compensation in a Three Phase Four Wire Grid Connected Inverter,” National Power Electronics Conference 2011, BESU, Howrah, 19th-22nd December,
2011.
C22 Abhijit K, V. John, “Adaptive Harmonic Elimination Technique in Single Phase PWM Inverters,”
National Power Electronics Conference 2011, BESU, Howrah, 19th-22nd December, 2011.
C21 Anil Kumar Adapa, V. John, “Gate Drive Card for High Power Three Phase PWM Converters,”
National Power Electronics Conference 2011, BESU, Howrah, 19th-22nd December, 2011.
C20 Anil Kumar Adapa, V. John, “Digital Dead Time Logic and Protection Circuitry for PWM Voltage
Source Converters,” National Power Electronics Conference 2011, BESU, Howrah, 19th-22nd December, 2011.
C19 D Venkatramanan, V. John, “A resonant integrator based PLL and AC current controller for single phase grid connected PWM-VSI,” National Power Systems Conference 2010, Osmania University,
Hyderabad, 15th-17th December, 2010.
C18 Anand Vivek Ravi, V. John, “Ultracapacitor based ride through system for control power supplies in
high power converters,” National Power Systems Conference 2010, Osmania University, Hyderabad,
15th-17th December, 2010.
C17 Anirudh Acharya B, V. John, “Design of output dv/dt filter for motor drives,” 2010 International
Conference on Industrial and Information Systems (ICIIS) , pp.562-567, July 29 2010-Aug. 1 2010.
C16 Parikshith BC, Anusyutha Krishnan, V. John, Amith Karanth, “An Integrated Design Procedure for
High Frequency AC Inductors for Inverters,” National Power Electronics Conference 2010, IIT Roorkee,
10th - 13th June, 2010.
C15 Anusyutha Krishnan, Parikshith BC, V. John, “Analysis of Flux Fringing for High-Frequency AC
Inductor Design,” National Power Electronics Conference 2010, IIT Roorkee, 10th - 13th June, 2010.
C14 Anirban Ghoshal, V. John, “Anti-windup Schemes for Proportional Integral and Proportional Resonant
Controller,” National Power Electronics Conference 2010, IIT Roorkee, 10th - 13th June, 2010.
C13 Arun Karuppswamy, V. John, “A Hardware Grid Simulator to Test Grid-Connected Systems,” National Power Electronics Conference 2010, IIT Roorkee, 10th - 13th June, 2010.
C12 Parikshith BC, V. John, “Higher Order Output Filter Design for Grid Connected Power Converters”
National Power Systems Conference 2008, IIT Bombay, Mumbai, 16th 18th December, 2008.
C11 Sravan Vorem, V. John, “Grid Power Quality Analysis of 3-Phase System Using Low Cost Digital Signal
Processor” National Power Systems Conference 2008, IIT Bombay, Mumbai, 16th 18th December, 2008.
C10 B. Kroposki, C. Pink, J. Lynch, V. John, S. Meor Daniel, E. Benedict, I. Vihinen, “Development of
a High-Speed Static Switch for Distributed Energy and Microgrid Applications,” The Fourth Power
Conversion Conference (PCC), Nagoya, Japan, 2007.
C9 Anirban Ghoshal, V. John, “A Method to Improve PLL Performance Under Abnormal Grid Conditions,” The third National Power Electronics Conference (NPEC07), Bangalore, India, 2007.
C8 A. Sanglikar, V. John, “Novel Approach to Develop Behavioral Model Of 12-Pulse Converter, IEEE
PEDES-2006 conference records, New Delhi, India, Dec. 2006.
C7 V. John, E. Benedict, S.M. Danial “An Universal Interconnection System to Connect Distributed Generation to the Grid,” IEEE PEDES-2006 conference records, New Delhi, India, Dec. 2006.
C6 V. John, Zhihong Ye, A. Kolwalkar, “Investigation of anti-islanding protection of power converter
based distributed generators using frequency domain analysis,” Proceedings of IEEE Power Engineering
Society General Meeting, July 2003, Vol. 4.
C5 M. Trivedi, V. John, T.A. Lipo, K. Shenai, “Internal dynamics of IGBT under fault current limiting
gate control,” Proceeding of the IEEE Industry Applications Conference, Oct. 2000, Vol. 5, pp.2903
2908.
C4 F. Genarro, V. John, and T.A. Lipo, A. Consoli, “Effects of the Internal Layout on the Performance of
IGBT Power Modules” published in the proceeding of COBEP conference, Iguasu, Brazil, Sept. 1999.
C3 V. John, B.S. Suh, and T.A. Lipo, “An Active Gate Drive with Three-Stage Control and Fast protection,” published in the proceeding of EPE conference 1999.
C2 V. John and N. Mohan, “Standby Power Supply with High Frequency Isolation”, proceedings of APEC
95. pp. 990 994.
C1 V. John, N. Mohan, E. Persson, and R. Nilssen, “High Frequency Isolation in Standby Power Supplies
which compensate for Load Harmonic Currents”, proceedings of IECON ’93 conference. pp. 1264 1268.
T R4 V. John, Anirudh Acharya B, Shankar M, MH Hedayati EE, IISc, T.Saboo, VSSC, ISRO, “Filters for
Active Front End Motor Drives,” ISRO-IISc STC, Tech. Report - ISTC 2HH, April 2012. (30
T R3 V. John, Parikshith BC, Nilanjan M., Anusyutha Krishnan, Amith K., “Optimization of Higher Order
Filters for Grid Connected High Frequency Power Converters,” report submitted to CDAC-Trivandrum
in Dec 2009.
T R2 J. Lynch, V. John, S.M. Danial, E. Benedict, I. Vihinen, B. Kroposki, C. Pink, “Flexible DER
Utility Interface System, Final report,” Available: (http://www.nrel.gov/docs/fy06osti/39876.pdf)
NREL/TP-560-39876, Aug. 2006.
T R1 G. Bywaters, V. John, J. Lynch, P. Mattila, G. Norton, J. Stowell, “WindPACT Drive Train Alternative
Design Study Report,” NREL/SR-500-35524, Jan. 2005. Available: www.nrel.gov/wind/pdfs/35524.pdf
P 9 Interconnection switching system and method for connecting a distributed energy resource to an electrical power system - US 8,331,071, WO 2010144584 A3; March 3, 2011.
P 8 Permanent magnet rotor for a direct drive generator or a low speed motor - US 7,355,309; April 8,
2008.
P 7 Method and apparatus for anti-islanding protection of distributed generations - US Patent 7,016,793;
March 21, 2006.
P 6 High power factor converter with a boost circuit having continuous/discontinuous modes - US 6,556,462;
June 28, 2002.
P 5 Method and system for detecting a zero current level in a line commutated converter - US 6,385,066;
May 7, 2002.
P 4 System and method for compensating for voltage notches in two-phase phase locked loops - US 6,278,623;
August 21, 2001.
P 3 High performance active gate drive for IGBTs - US 6,208,185; March 27, 2001.
P 2 System and method for compensating for line imbalances in line commutated converters - US 6,563,722;
November 2, 2000.
P 1 Protection of IGBTs and other devices - US 6,097,582; August 1, 2000.
EXPERIENCE
Faculty, Dept. of Electrical Engineering
Indian Institute of Science, Bangalore
2006 - present
Associate Professor
2014 - present
Assistant Professor
2006 - 2014
Introduced a new course on Power Electronics and Distributed Generation.
Graduated 7 research students (4 PhD, 3 MTech-Research) and 23 MTech students in the power electronics group.
· Currently guiding 8 PhD researchers and 2 MTech students.
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Senior Electrical Engineer
Northern Power Systems, Inc.
2002 - 2006
Waitsfield, Vermont, USA
· Principal Investigator on program studying advanced grid interconnection for distributed generation,
under the National Renewable Energy Laboratorys (NREL) Distributed Energy Resource (DER) project.
· Principal Engineer in the California Energy Commissions (CEC) program for developing power conversion technology and system architecture for microgrid power networks for CERTs (Consortium for
Electricity Reliability Technology solutions) Microgrid Program.
· Research into high reliability system topology for large direct drive wind turbines under the US department of energys WindPact/LWST programs. Responsible for development of the drive train power
control and electronics for the wind turbine system.
Power Electronics Engineer
General Electric - Corporate Research and Development
1999 - 2002
Schenectady, New York, USA
· Power conditioning systems (PCS) for residential fuel cell systems.
· Development of universal grid interconnect solutions for distributed generation for National Renewable
Energy Laboratory. Provided technical support of IEEE 1547 working groups on distributed generation.
· Energy availability and stability analysis of high reliability Power Modules for GE Digital Energy.
· Development of digital control for Innovation series DC drive for GE Industrial Systems. Delivered real
time control code for DC drive solution.
Research Assistant WEMPEC Laboratory
University of Wisconsin
1994 - 1999
Madison, WI, USA
· Design of an Active Gate Drive and protection circuits for high power IGBTs. The US Office of Naval
Research sponsored this project for its advanced electric ship initiative. The gate drive is targeted for
application in high performance IGBT based Power Electronic Building Blocks. The project objective
is to optimize switching characteristics and integrate this with fault protection strategy.
· Design of an 80kW Resonant DC Link power converter for an electric vehicle. The objective is to
evaluate a resonant power converter topology for electric vehicle drive application. The converter was
designed, constructed, tested and delivered to Delphi Energy & Engine Management Systems.
· Taught the graduate Power Electronics Laboratory and TA for Circuits Laboratory. Laboratory instructor for Electro-Mechanical Power Conversion and Introductory Laboratory courses.
Research Assistant
University of Minnesota
1992 - 1994
Minneapolis, MN, USA
· Analysis, design and implementation of an Uninterruptible Power Supply with high frequency isolation
and load harmonic current neutralizing capability.
MEMBERSHIP OF SOCIETIES AND COMMITTEES
· Senior member of IEEE.
· Member of Wind Generation Standards Committee - Bureau of Indian Standards.
· Member of review committee for IEEE Industry Applications and Power Electronics Transactions,
Industrial Electronics Society and a number of other conference proceedings.
· Member electrical power committee, IISc, Bangalore.