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Educational Approach to the Methodology of Implementing Wireless Control of Power Flow in Hybrid Power Systems

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2014 ASEE Annual Conference & Exposition


Indianapolis, Indiana

Publication Date

June 15, 2014

Start Date

June 15, 2014

End Date

June 18, 2014



Conference Session

Electrical Energy Courses - Labs and Projects

Tagged Division

Energy Conversion and Conservation

Page Count


Page Numbers

24.449.1 - 24.449.15



Permanent URL

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Paper Authors


Tan Ma Florida International University

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Tan Ma (S’09) received the M.Eng. degree in control theory and control engineering from Huazhong University of Science and Technology (HUST) in China in 2009 and the B.Eng. degree in automation from HUST in 2007. He currently is pursuing his doctoral degree in electrical engineering at Florida International University. His research interests include power system operations and control, artificial intelligence applications to power systems, energy conservation and alternate energy sources, and smart grid power system design and optimization.

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Osama A. Mohammed Florida International University

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Dr. Mohammed is a professor of electrical engineering and director of the Energy Systems Research Laboratory at Florida International University in Miami. He received his master's and doctoral degrees in electrical engineering from Virginia Tech in 1981 and 1983, respectively. He has performed research on various topics in power and energy systems in addition to computational electromagnetics and design optimization in electric machines, electric drive systems, and other low frequency environments. He has performed multiple research projects for several federal agencies since the 1990s dealing with power system analysis, physics-based modeling, electromagnetic signature, sensor-less control, electric machinery, high frequency switching, electromagnetic Interference, and ship power systems modeling and analysis. Prof. Mohammed currently has active research programs in a number of these areas funded by the U.S. Department of Defense, the Department of Energy, and several industries. A world renowned leader in electrical energy systems and optimization techniques, he has published more than 350 articles in refereed journals and other IEEE refereed international conference records, with nearly 130 journal articles. Prof. Mohammed is an elected Fellow of IEEE and of the Applied Computational Electromagnetic Society. He is the recipient of the prestigious IEEE Power and Energy Society Cyril Veinott Electromechanical Energy Conversion Award and the 2012 Outstanding Research Award from Florida International University. He is the author of book chapters, including Chapter 8 on direct current machines in the Standard Handbook for Electrical Engineers, including in the 16th Edition, McGraw-Hill, 2007 and 2012. He is also the author of a book chapter entitled "Optimal Design of Magnetostatic Devices: the Genetic Algorithm Approach and System Optimization Strategies," in the book entitled Electromagnetic Optimization by Genetic Algorithms, John Wiley & Sons, 1999.
Prof. Mohammed has lectured extensively worldwide in invited and plenary talks at major research and industrial organizations and at international conferences. He serves as editor of several IEEE transactions, including the IEEE Transactions on Energy Conversion, the IEEE Transactions on Smart Grid, IEEE Transactions on Magnetics, IEEE Transactions on Industry Applications, and COMPEL. Prof. Mohammed has served as the International Steering Committee Chair for the IEEE International Electric Machines and Drives Conference (IEMDC) and the IEEE Conference on Electromagnetic Field Computation (CEFC). He has been general chair of six major international conferences on power and energy, computational electromagnetics, and intelligent systems over the past 20 years. He also serves as chairman, officer, or active member on several IEEE Power and Energy Society committees, subcommittees, and technical working groups. He a past member of the IEEE Power and Energy Society Governing Board and of the Florida Power & Light Company's Consumer Advisory Board.

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Brandy Louie Serrano Florida International University

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Brandy Louie Serrano received his bachelor's degree in electrical engineering in 2013 from Florida International University, where he currently is working as an undergraduate research assistant at the Energy Systems Research Laboratory. He has assisted in various power systems research topics focusing on hybrid electric-vehicle integration in the utility grid, battery management systems, and control of power flow in hybrid AC-DC systems.

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Educational Approach to the Methodology of Implementing Wireless Control of Power Flow in Hybrid Power SystemsAbstract— In this paper, the methodology of utilizing microcontrollers and transceiversto wirelessly control the power flow in a hybrid AC-DC power system through multiplebidirectional DC-DC and AC-DC converters in real-time is presented. The various stepsinvolved in developing this type of wireless control will be outlined with illustrations. Allof the various hardware configurations along with the software utilization will also bedemonstrated in detail. In this presented design, Matlab Simulink and TeraTerm Pro areused in conjunction with the STM-32F Discovery micro-controller and XBEEtransceivers. The end result of this design is to allow the user to wirelessly control theduty cycle of the pulse width modulated signals that control the switching devices of DC-DC and AC-DC converters to regulate the power flow in the propsed hybrid AC-DCpower system. The proposed methodology has future applications in hybrid micro gridsto allow efficient and reliable coordination of power flow.Educational aspects:The presented utilization of micro-controllers and transceivers in the wireless control ofDC-DC and AC-DC converters encompasses several educational aspects such as:Comprehensive instruction in wireless communications between devices  The process of creating wireless communications between the XBEE transceivers and micro-controllers to send a user controlled duty cycle is explained thoroughly and can be observed on an oscilloscope.The process involved in building Simulink models that allow for user controlled powerflow  A detailed description of all the library blocks used in Matlab Simulink and their parameters is presented. Specific libraries allow us to communicate with the TeraTerm Pro software, the terminal used by the user to vary the duty cycle of specific converters.Applications to hybrid micro grids are also presented for those interested in thecoordination and control of power flow in micro grids  The hybrid micro grid detailed in this paper represents a plug-in electric vehicles (PEVs) charging parking lot that connects to the main utility through a common DC bus. The vehicles are represented by batteries which can either receive energy from the grid to charge themselves or absorb/inject active and reactive power into the grid.

Ma, T., & Mohammed, O. A., & Serrano, B. L. (2014, June), Educational Approach to the Methodology of Implementing Wireless Control of Power Flow in Hybrid Power Systems Paper presented at 2014 ASEE Annual Conference & Exposition, Indianapolis, Indiana. 10.18260/1-2--20340

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