1. Electric Power Group
Electric Power Technical Interest
Group
• ECE offers one of the country’s leading
undergraduate and graduate academic
programs in electric power engineering
• Broad range of activities relative to peers in
power:
• power systems
• power electronics and controls
• power apparatus (machines,
semiconductors, high voltage equipment)
• photovoltaics

2. Electric Power Group
Faculty
Miroslav Begovic, Assoc. Professor
• Power system analysis, protection and emergency control
• Distributed energy resources: planning, interaction with distribution and transmission
• Sustainable energy systems
• Distribution network analysis
Thomas G. Habetler, Professor
• Current-based condition monitoring of electric machines
• Control of electric machine drives
• Power electronics
• Design and protection of electric machines
Ronald G. Harley, Duke Power Dist. Professor
• Power system stability and control, including Flexible AC Systems (FACTS) devices
• Power electronics, motor drives and electric vehicles
• Neural networks applied to power electronics and electrical machines
Jerome M. Meisel, Part-time Professor
• Future Truck Team Advisor
• Electric Vehicles
• Power Electronics

3. Electric Power Group
Faculty
A.P. Sakis Meliopoulos, Professor
• Power System Reliability and Risk Assessment
• Power Systems Operations Planning
• Electromagnetic Influence of Power Systems
• Power Quality
• Protective Relaying and Disturbance Analysis
• Simulation, Animation and Visualization of Power System
Hans B. Puttgen, Georgia Power Dist. Professor
• Director of NEETRAC
• Director of GT-Lorraine
• ECE Associate Director of External Affairs
• Power systems analysis and planning
• Utility deregulation
• Electric transportation vehicles and systems
Ajeet Rohatgi, Georgia Power Dist. Professor
•Director, University Center of Excellence for Photovoltaics Research and Education
•Modeling and fabrication of low-cost high-efficiency silicon solar cells
•Growth and characterization of low-temperature and high-performance dielectrics
•Defects and carrier lifetime in semiconductors
•Growth and optoelectronic properties of compound semiconductors

4. Electric Power Group
Affiliated Faculty
Christina B. Honsberg, Associate Professor
•Design, development and characterization of novel commercially oriented solar cell
structures using the buried contact technology
•Identification, modeling and analysis of novel techniques to overcome traditional
homojunction or two-stack tandem efficiency limits
•Gallium Arsenide Solar Cells
David G. Taylor, Professor
• Nonlinear control systems
• Electromechanical systems and devices
• Modeling, simulation and control of assembly robots
• Design and control of linear motion actuators and generators
John F. Dorsey, Professor
•Modeling and control of large-scale systems
•Real time identification of parameters of power system models
•On-line power system security assessment
•Elimination of sustained oscillations in power systems
•Effect on stability of nonutility generation

5. Electric Power Group
Areas of Educational and Research
Activities in Electric Power
• Power system monitoring, analysis, protection,
operation and control
• Distributed generation
• Power system simulation and visualization
• High voltage engineering and power system
components
• Electric machine control, condition monitoring,
and protection
• Power Electronics

6. Electric Power Group
Research Centers
• $3M Consortium • Materials
Utilities 1,000 sq. ft. Solar Cell
Manufacturers Fabrication Facility
End Users
Academia • Systems
• EV Research 340 kW PV Array on GT
200 HP Dynamometer Olympic Natatorium Roof
125 kW DC Test System
EV Virtual Testbed
EV Charger Power Quality

7. Electric Power Group
Future Truck
• Student teams from 15 universities are challenged to re-
engineer a conventional Ford Explorer into a lower-emissions
vehicle
• Sponsored by the US DOE and Ford Motor Co.

8. Electric Power Group
Courses in Power Electronics and M achines
ELECTRIC MACHINES
• ECE 3070 (3,0,3) – Introduction to Electromechanical Energy
Conversion
– Tier 2 course offered every semester
– Prereq: ECE 2040, ECE 3025
• ECE 4803/6336 (3,0,3) – Electric Machinery Analysis
– Taught concurrently as both undergrad and grad course.
– Prereq: ECE3070, Offered summer of even years
• ECE 3881 (0,3,1) - Energy Conv & Mechatronics Lab
– Laboratory portion of ECE3301
– Offered every semester
– Coreq: ECE3070
• ECE 6336 (3,0,3) – Dynamics and Control of Electric Machine Drives
– Offered every spring
– Prereq: ECE3070

9. Electric Power Group
Courses in Power Electronics and M achines
POWER ELECTRONICS
• ECE 4330 (2,2,3) – Power Electronics
– Senior elective with lecture and lab
– Offered every spring
– Prereq: ECE 3040, ECE 3042
• ECE 6331 (3,0,3) – Power Electronic Circuits
– Offered every fall
– Prereq: ECE 4330

10. Electric Power Group
Research in Electric Machines and Power
Electronics
• Rotating fault detection in induction machines.
• Neural network-based diagnostics using self organizing maps.
• Stator insulation fault detection using ANNs.
• Rotating fault detection in synchronous and brushless dc machines.
• Sensorless vibration detection in induction and synchronous machines.
• 25 kV power electronic sag supporter using a PWM-switched
autotransformer .

11. Electric Power Group
Research in Electric Machines and Power
Electronics (continued)
• Backpropagation neural networks for motor diagnostics (fault
identification).
• Sensorless speed measurement using slot harmonic detection and
spectral estimation.
• Rotor temperature estimation based on rotor resistance thermal time
constant.
• Continuous on-line training of neural networks for motor control and
power electronic applications.
• FPGA implementation of neural networks on motors.
• Turbogenerator identification and control using neural networks.