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Research Output 1996 2019

  • 4238 Citations
  • 30 h-Index
  • 107 Conference contribution
  • 53 Article
  • 2 Chapter
  • 1 Book
2019

A real-time simulation testbed for hierarchical control of a renewable energy-based microgrid

Mongrain, R. S., Yu, Z. & Ayyanar, R., Mar 6 2019, 2019 IEEE Texas Power and Energy Conference, TPEC 2019. Institute of Electrical and Electronics Engineers Inc., 8662133. (2019 IEEE Texas Power and Energy Conference, TPEC 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Testbeds
Distributed power generation
Remote control
Level control
Patents and inventions

A simple ZVT auxiliary circuit for totem-pole bridgeless PFC rectifier

Yu, Z., Xia, Y. & Ayyanar, R., May 1 2019, In : IEEE Transactions on Industry Applications. 55, 3, p. 2868-2878 11 p., 8613921.

Research output: Contribution to journalArticle

Poles
Switches
Networks (circuits)
Electric potential
Zero voltage switching
1 Citation (Scopus)

Connection topology optimization in photovoltaic arrays using neural networks

Narayanaswamy, V. S., Ayyanar, R., Spanias, A., Tepedelenlioglu, C. & Srinivasan, D., May 1 2019, Proceedings - 2019 IEEE International Conference on Industrial Cyber Physical Systems, ICPS 2019. Institute of Electrical and Electronics Engineers Inc., p. 167-172 6 p. 8780242. (Proceedings - 2019 IEEE International Conference on Industrial Cyber Physical Systems, ICPS 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shape optimization
Topology
Neural networks
Multilayer neural networks
Cyber Physical System

Dynamic simulation of CIG in large unbalanced distribution systems using an open source tool

Yu, Z., Tang, Y., Yao, T. & Ayyanar, R., Jan 1 2019, In : IET Generation, Transmission and Distribution. 13, 9, p. 1638-1645 8 p.

Research output: Contribution to journalArticle

Computer simulation
Dynamic analysis
Dynamic models
Controllers
Networks (circuits)
2018
6 Citations (Scopus)

A 2.2-MHz Active-Clamp Buck Converter for Automotive Applications

Nan, C., Ayyanar, R. & Xi, Y., Jan 1 2018, In : IEEE Transactions on Power Electronics. 33, 1, p. 460-472 13 p., 7862295.

Research output: Contribution to journalArticle

Clamping devices
Switching frequency
Signal interference
Zero voltage switching
Electric potential

Accelerated testing of module level power electronics for long-term reliability

Flicker, J., Tamizhmani, G., Moorthy, M. K., Thiagarajan, R. & Ayyanar, R., May 25 2018, 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-6 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Power electronics
Thermal cycling
Testing
Durability
Experiments
8 Citations (Scopus)

A cyber-physical system approach for photovoltaic array monitoring and control

Rao, S., Katoch, S., Turaga, P., Spanias, A., Tepedelenlioglu, C., Ayyanar, R., Braun, H., Lee, J., Shanthamallu, U., Banavar, M. & Srinivasan, D., Mar 14 2018, 2017 8th International Conference on Information, Intelligence, Systems and Applications, IISA 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 1-6 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Learning systems
monitoring
Monitoring
renewable energy
learning method
2 Citations (Scopus)

A new soft switching topology for switched inductor high gain boost

Yao, T., Nan, C. & Ayyanar, R., Jan 10 2018, (Accepted/In press) In : IEEE Transactions on Industry Applications.

Research output: Contribution to journalArticle

Diodes
Switches
Topology
Zero voltage switching
Clamping devices
2 Citations (Scopus)

A simple ZVT auxiliary circuit for full-bridge based bridgeless single-phase PFC with hybrid PWM modulation scheme

Yu, Z., Xia, Y. & Ayyanar, R., Apr 18 2018, APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-March. p. 2042-2047 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulse width modulation
Modulation
Networks (circuits)
Electric potential
Switches

Design and scheduling of microgrids using benders decomposition

Nagarajan, A. & Ayyanar, R., May 25 2018, 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-5 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Energy storage
Scheduling
Decomposition
Power quality
Economics
1 Citation (Scopus)

Duty phase shift technique for extended-duty-ratio boost converter for reducing device voltage stress over wider operating range

Roy, J. & Ayyanar, R., Apr 18 2018, APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-March. p. 2203-2208 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase shift
Electric potential
Switching frequency
Hardware

GaN based transformer-less microinverter with coupled inductor interleaved boost and half bridge voltage swing inverter

Roy, J. & Ayyanar, R., Apr 18 2018, APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-March. p. 381-386 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Switching frequency
Roofs
Capacitors
Switches
Electric potential
Capacitance
Switching frequency
Silicon carbide
Leakage currents
3 Citations (Scopus)

High Step-up Transformer-less Inverter for AC Module Applications with Active Power Decoupling

Roy, J., Xia, Y. & Ayyanar, R., Aug 3 2018, (Accepted/In press) In : IEEE Transactions on Industrial Electronics.

Research output: Contribution to journalArticle

Electric potential
Critical currents
Capacitors
Capacitance
Switches

Loss Characterization and Analysis of High Voltage E-mode GaN HEMT in Soft-switching Application

Korada, N., Yu, Z. & Ayyanar, R., Dec 7 2018, 2018 IEEE 6th Workshop on Wide Bandgap Power Devices and Applications, WiPDA 2018. Institute of Electrical and Electronics Engineers Inc., p. 40-44 5 p. 8569189

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High electron mobility transistors
high electron mobility transistors
high voltages
Electric potential
converters

Methods for dynamic analysis of distribution feeders with high penetration of PV generators

Nagarajan, A. & Ayyanar, R., May 25 2018, 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-5 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dynamic analysis
Differential equations
Systems analysis
Bandwidth
Controllers

Modeling and dynamics investigation of an active-clamp buck converter

Yu, Z., Nan, C. & Ayyanar, R., Apr 18 2018, APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-March. p. 2209-2213 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Clamping devices
Bode diagrams
Capacitors
1 Citation (Scopus)

Performance evaluation of single-phase transfomer-less PV inverter topologies

Roy, J., Xia, Y. & Ayyanar, R., Apr 18 2018, APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-March. p. 3250-3255 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Leakage currents
Topology
Capacitance
Harmonic distortion
Heat sinks
2017
2 Citations (Scopus)

A 500 kHz, 3.3 kW boost PFC with low loss coupled auxiliary ZVT circuit

Kulasekaran, S., Korada, N. & Ayyanar, R., May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 2193-2198 6 p. 7931003

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Networks (circuits)
Transistors
Switches
Hardware
Electric potential
5 Citations (Scopus)

A 500kHz, 3.3kW Power Factor Correction Circuit with Low-Loss Auxiliary ZVT Circuit

Kulasekaran, S. & Ayyanar, R., Aug 10 2017, (Accepted/In press) In : IEEE Transactions on Power Electronics.

Research output: Contribution to journalArticle

Networks (circuits)
Electric potential
Diodes
Zero voltage switching
Electric vehicles
2 Citations (Scopus)

A 500 kHz, 3 kW power factor correction circuit with low loss auxiliary ZVT circuit

Kulasekaran, S. & Ayyanar, R., Feb 13 2017, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854647

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Networks (circuits)
Zero
Transistors
Voltage
Hardware
48 Citations (Scopus)

A capacitance-minimized, doubly grounded transformer less photovoltaic inverter with inherent active-power decoupling

Xia, Y., Roy, J. & Ayyanar, R., Jul 1 2017, In : IEEE Transactions on Power Electronics. 32, 7, p. 5188-5201 14 p.

Research output: Contribution to journalArticle

Capacitance
Topology
Switching frequency
Leakage currents
Energy gap
5 Citations (Scopus)

Adaptive Dc link voltage control scheme for single phase inverters with dynamic power decoupling

Xia, Y. & Ayyanar, R., Feb 13 2017, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854824

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Decoupling
Voltage control
Voltage
Electric potential
Inverter
11 Citations (Scopus)

A GaN based doubly grounded, reduced capacitance transformer-less split phase photovoltaic inverter with active power decoupling

Xia, Y., Roy, J. & Ayyanar, R., May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 2983-2988 6 p. 7931121

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Capacitance
Topology
Capacitors
Electrolytic capacitors
Electric potential
7 Citations (Scopus)

A high frequency zero-voltage-transition (ZVT) synchronous buck converter for automotive applications

Nan, C. & Ayyanar, R., Feb 13 2017, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854692

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Buck Converter
Zero voltage switching
Voltage
Switch
Zero
12 Citations (Scopus)

A high performance T-type single phase double grounded transformer-less photovoltaic inverter with active power decoupling

Xia, Y., Roy, J. & Ayyanar, R., Feb 13 2017, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854693

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inverter
Transformer
Decoupling
Ripple
High Performance
5 Citations (Scopus)

A Multifunctional Double Pulse Tester for Cascode GaN Devices

Yao, T. & Ayyanar, R., Nov 1 2017, In : IEEE Transactions on Industrial Electronics. 64, 11, p. 9023-9031 9 p., 7900359.

Research output: Contribution to journalArticle

Gallium nitride
Inductance
Diodes
Hardware
Recovery

A single phase doubly grounded, PV inverter using coupled inductor with integrated magnetics and active power decoupling technique

Xia, Y., Roy, J. & Ayyanar, R., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 8-14 7 p. 8095754

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inverter
Decoupling
Topology
Ripple
Transformer
5 Citations (Scopus)

A single phase transformer-less string inverter with integrated magnetics and active power decoupling

Roy, J. & Ayyanar, R., May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 3601-3607 7 p. 7931215

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Costs
Capacitance
Topology
8 Citations (Scopus)

A single phase transformerless string inverter with large voltage swing of half-bridge capacitors for active power decoupling

Roy, J., Xia, Y. & Ayyanar, R., Feb 13 2017, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854780

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inverter
Capacitor
Decoupling
Capacitors
Strings
5 Citations (Scopus)

Comprehensive comparison of THD and common mode leakage current of bipolar, unipolar and hybrid modulation schemes for single phase grid connected full bridge inverters

Xia, Y. & Ayyanar, R., May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 743-750 8 p. 7930777

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Leakage currents
Pulse width modulation
Modulation
Switching frequency
Time domain analysis
15 Citations (Scopus)

Converter Model for Representing Converter Interfaced Generation in Large Scale Grid Simulations

Ramasubramanian, D., Yu, Z., Ayyanar, R., Vittal, V. & Undrill, J., Jan 1 2017, In : IEEE Transactions on Power Systems. 32, 1, p. 765-773 9 p., 7448458.

Research output: Contribution to journalArticle

Electricity
1 Citation (Scopus)

Coupled inductor implementation improves performance of output feedback ZVT in full bridge inverters

Xia, Y., Nan, C., Kulasekaran, S. & Ayyanar, R., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 2200-2206 7 p. 8096431

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Output Feedback
Zero voltage switching
Voltage
Switches
Feedback
9 Citations (Scopus)

GaN based high gain non-isolated DC-DC stage of microinverter with extended-duty-ratio boost

Roy, J. & Ayyanar, R., Feb 13 2017, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7855130

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Converter
Power inductors
Switching frequency
Capacitors
Switches
3 Citations (Scopus)

GaN-based high gain soft switching coupled-inductor boost converter

Roy, J., Xia, Y. & Ayyanar, R., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 1687-1693 7 p. 8095996

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Converter
Switch
Networks (circuits)
Voltage
Switches
6 Citations (Scopus)

GaN based transformer-less microinverter with extended-duty-ratio boost and doubly grounded voltage swing inverter

Roy, J., Xia, Y. & Ayyanar, R., May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 2970-2976 7 p. 7931119

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Capacitors
Power inductors
Electric potential
Critical currents
Switching frequency
6 Citations (Scopus)

Inductor feedback ZVT based, low THD single phase full bridge inverter with hybrid modulation technique

Xia, Y. & Ayyanar, R., May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 3444-3450 7 p. 7931191

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modulation
Feedback
Zero voltage switching
Switches
Electric potential
2 Citations (Scopus)

Mu synthesized robust controller for multi-SST islanded smart grid

Yao, T., Leonard, I., Ayyanar, R. & Tsakalis, K., Feb 13 2017, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7855276

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Smart Grid
Transformer
Controller
Controllers
Design Method
2 Citations (Scopus)
Pulse width modulation
Networks (circuits)
Electric potential
Zero voltage switching
Switches
3 Citations (Scopus)

New ZVT topology for switched inductor high gain boost

Yao, T., Nan, C. & Ayyanar, R., May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 2199-2206 8 p. 7931004

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Diodes
Topology
Switches
Zero voltage switching
Switching frequency
1 Citation (Scopus)

Optimal variable switching frequency scheme for grid connected full bridge inverters with bipolar modulation scheme

Xia, Y., Roy, J. & Ayyanar, R., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 4260-4266 7 p. 8096736

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Switching frequency
Modulation
Grid
Pulse width modulation
Inverter
9 Citations (Scopus)

Overview of real-time simulation as a supporting effort to smart-grid attainment

Ibarra, L., Rosales, A., Ponce, P., Molina, A. & Ayyanar, R., Jun 1 2017, In : Energies. 10, 6, 817.

Research output: Contribution to journalArticle

Smart Grid
Real time systems
Simulators
Topology
Real-time
1 Citation (Scopus)

Power command compensation structure to improve the dynamic performance for single phase transformer-less photovoltaic inverters with dynamic power decoupling

Xia, Y., Yu, Z. & Ayyanar, R., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 455-460 6 p. 8095818

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dynamic Performance
Transformer
Decoupling
Inverter
Cost reduction
2 Citations (Scopus)

Seamless transition of the operating zones for the extended-Duty-Ratio boost converter

Roy, J. & Ayyanar, R., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 4920-4926 7 p. 8096834

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase shift
Converter
Capacitors
Switches
Hardware
8 Citations (Scopus)

Sensor-Less Current Sharing over Wide Operating Range for Extended-Duty-Ratio Boost Converter

Roy, J. & Ayyanar, R., Nov 1 2017, In : IEEE Transactions on Power Electronics. 32, 11, p. 8763-8777 15 p., 7784727.

Research output: Contribution to journalArticle

Sensors
Electric potential
Switches
Capacitors
Hardware
4 Citations (Scopus)

Sliding mode control of a single phase transformer-less PV inverter with active power decoupling

Roy, J., Xia, Y. & Ayyanar, R., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 23-29 7 p. 8095756

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inverter
Transformer
Sliding mode control
Sliding Mode Control
Decoupling
1 Citation (Scopus)

Variable structure robust voltage regulator design for microgrid master-slave control

Yao, T. & Ayyanar, R., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 1532-1539 8 p. 8095973

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microgrid
Variable Structure
Voltage regulators
Transformer
Regulator
2016
12 Citations (Scopus)

A 1 MHz bi-directional soft-switching DC-DC converter with planar coupled inductor for dual voltage automotive systems

Nan, C. & Ayyanar, R., May 10 2016, 2016 IEEE Applied Power Electronics Conference and Exposition, APEC 2016. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-May. p. 432-439 8 p. 7467908

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zero voltage switching
DC-DC converters
Electric potential
Switches
Networks (circuits)
11 Citations (Scopus)

Accelerated Testing of Module-Level Power Electronics for Long-Term Reliability

Flicker, J., Tamizhmani, G., Moorthy, M. K., Thiagarajan, R. & Ayyanar, R., Nov 10 2016, (Accepted/In press) In : IEEE Journal of Photovoltaics.

Research output: Contribution to journalArticle

Power electronics
modules
Testing
Thermal cycling
electronics
43 Citations (Scopus)
Convex optimization
Energy storage
Planning
Cones
Capacitors