Sara Ahmed, Ph.D.

Sara Ahmed, Ph.D.

Assistant Professor

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210-458-8513

Related Projects

Educational Background: 

Ph.D., Virginia Tech, 2011.

Dr. Ahmed's research focus is Modeling, simulation and analysis of power electronics systems with a focus on stability, fault analysis, and integration of renewables, and design and control of three phase converters and AC drives.

Publications/grants:

Patents: 
1.    US9559607B1, Ahmed, S.; Wang, Z.; Canalas, F.; Power supply and distribution systems and operating strategy, Granted: Jan. 31, 2017.
2.    EP2957014B1, Ahmed, S.; Marinopoulos, A.; Doukas, D.; Sastry, J.; Lazarczyk, M.; Bakas, P.; Nalepa, R.; “Method of controlling a solar power plant, a power conversion system, a dc/ac inverter and a solar power plant,” Granted: Dec. 07, 2016. 
Journal publications: 
1. S. Ahmed, Z. Shen, P. Mattavelli, D. Boroyevich and K. J. Karimi, "Small-Signal Model of Voltage Source Inverter (VSI) and Voltage Source Converter (VSC) Considering the Dead Time Effect and Space Vector Modulation Types," in IEEE Transactions on Power Electronics, vol. 32, no. 6, pp. 4145-4156, June 2017. 
2. K. Lee, S. Ahmed and S. M. Lukic, "Universal Restart Strategy for High-Inertia Scalar-Controlled PMSM Drives," in IEEE Transactions on Industry Applications, vol. 52, no. 5, pp. 4001-4009, Sept.-Oct. 2016. 
Peer-reviewed conference papers:
1. Ahmed, S.; Hongrae Kim; Prohaska, T.; Ronkainen, T.; Burgos, R., "Stability Study of Electric Vehicle Power Electronics Based Power System," Electric Vehicle Conference (IEVC), 2013 IEEE International , vol., no., pp.1,5, 23-25 Oct. 2013