ASU Directory Profile
Research expertise: Power electronics, DC-DC converters, power management, power conversion and control for renewable energy interface, especially PV and wind, electric vehicles, motor drives, wide bandgap devices and applications
Rajapandian Ayyanar joined the Arizona State University faculty as an assistant professor in August 2000. He received a B.E. in electrical engineering from P.S.G. College of Technology, India in 1989, an M.S. in power electronics from the Indian Institute of Science in 1995, and a Ph.D. in power electronics from the University of Minnesota in 2000. He has published over 70 journal and conference papers in the area of power electronics and renewable energy integration, and he holds two U.S. patents. Professor Ayyanar was awarded the ONR Young Investigator Award in 2005.
Collaborations and industry affiliations
Modeling, analysis and control methods in support of Flagstaff energy storage project, Arizona Public Service
Smart distribution energy management system and controllers using an Intel platform, Intel Corp.
High penetration of photovoltaic generation study – Flagstaff community power, Arizona Public Service
PSERC collaborative proposal for a Phase III IUCRC, NSF-ENG
Power system operation and planning for enhanced wind generation penetration, DOE, Golden Field office
ERC for Future Renewable Electric Energy Delivery and Management (FREEDM) Systems, North Carolina State University
Phase 3 design, implementation and dissemination of multidisciplinary online java digital signal processing materials, NSF-HER-DUE
SRP-PSERC Project, Salt River Project
Arizona solar market and analysis tool, VPREA cost share
Ph.D., power electronics, University of Minnesota, 2000
M.S., power electronics, Indian Institute of Science, 1995
B.E., electrical engineering, P.S.G. College of Technology – India, 1989
Recognition and awards
ONR Young Investigator Award, 2005
Tang, R. Ayyanar, “Methodology of Automated Protection Analysis for Large Distribution Feeders with High Penetration of Photovoltaic Systems,” IEEE Power and Energy Technology Systems Journal, pp. 1-9, 2016 (IEEE Early Access)
D. Ramasubramanian, Z. Yu, R. Ayyanar, V. Vittal, J. Undrill, “Converter Model for Representing Converter Interfaced Generation in Large Scale Grid Simulations,” IEEE Transactions on Power Systems, 2016 (IEEE Early Access)
A. Nagarajan, R. Ayyanar, “Design and Strategy for the Deployment of Energy Storage Systems in a Distribution Feeder with Penetration of Renewable Resources,” IEEE Transactions on Sustainable Energy, vol. 6, 2015, pp. 1085-1092.
L. Breazeale, R. Ayyanar, “A Photovoltaic Array Transformer-Less Inverter with Film Capacitors and Silicon Carbide Transistors,” IEEE Transactions on Power Electronics, vol. 30, 2015, pp. 1297-1305.
J. Steenis, K. Tsakalis, R. Ayyanar, “An Approach to Bumpless Control for LPV Modeled Inverters in a Microgrid,” IEEE Transactions on Power Electronics, vol. 29, 2014, pp. 6214-6223
M. Fan, V. Vittal, G.T. Heydt, R. Ayyanar, “Preprocessing Uncertain Photovoltaic Data,” IEEE Transactions on Sustainable Energy, vol. 5, 2014, pp. 351-352.
S. Kulasekaran, R. Ayyanar, “Analysis, Design, and Experimental Results of the Semidual-Active-Bridge Converter,” IEEE Transactions on Power Electronics, vol. 29, 2014, pp. 5136-5147
S. Falcones, R. Ayyanar, X. Mao, “A DC-DC Multiport-Converter-based Solid-State Transformer Integrating Distributed Generation and Storage,” IEEE Transactions on Power Electronics, vol. 28, 2013, pp. 2192-2203.
M. Fan, V. Vittal, G.T. Heydt, R. Ayyanar, “Probabilistic Power Flow Analysis with Generation Dispatch including Photovoltaic Resources,” IEEE Transactions on Power Systems, vol. 28, 2013, pp. 1797-1805.
X. Mao, R. Ayyanar, A.K. Jain, “Hybrid Space Vector PWM Schemes for Interleaved Three-phase Converters,” US Patent 8,649,195, February 2014.
A.K. Jain, R. Ayyanar, “PWM Control of Dual Active Bridge Converters,” US Patent 8,587,975, November 2013.