Welcome to Leon M.Tolbert's Website

Power Electronics Laboratory Webpage

1. Silicon Carbide Applications as the Next Generation of Power Electronics
   Sponsored by various companies
2. High Temperature Gate Drives and Power Electronic Converters
   Sponsored by ORNL and Aegis
3. Modular Power Electronic Converters as a Utility Interface for Distributed Generation
   Sponsored by Oak Ridge National Laboratory
   
4. Reactive Power Compensation and Planning
   Sponsored by Oak Ridge National Laboratory
5. System Interface with FUel Cells
   Sponsored by Oak Ridge National Laboratory
6. Cascaded H-bridge Multilevel Inverter Drives Operating under Faulty
   Condition with AI-Based Fault Diagnosis and Reconfiguration
   Sponsored by Oak Ridge National Laboratory
7. Diagnostic Technique for Multilevel Inverters Based on Genetic Algorithm
   to Select a Principal Component Neural Network
   Sponsored by Oak Ridge National Laboratory
8. An SOI-based High-Voltage,High-Temperature Gate-Driver for SiC FET
   Sponsored by Oak Ridge National Laboratory

1. Non-active Power Definitions and Active Filtering
   Sponsored by the National Science Foundation
2. Harmonic Minimization in Multilevel Converters
3. High Performance Motor Drives
4. Evaluation Platform for Real-Time Control of Motor Drives for Hybrid Electric Vehicles (with J. N. Chiasson)
5. Agent-Based Ancilliary Services in a Deregulated Environment (with H. Qi)
6. Power Electronics and Alternator for Advanced Medium-Sized Portable Military Generator Set
7. Multilevel Pulse Width Modulation Techniques
8. Efficiency Modeling of Hybrid-Electric Vehicle Drive Train
9. Multilevel Converters for Large Variable Speed Drives
10. Harmonic Analysis of Electrical Distribution Systems
11. Methods for Estimating Induction Motor Efficiency
12. Reliability of Lightning-Resistant Overhead Lines
13. Computer-Aided Overcurrent Coordination and Protection of Electrical Distribution Systems
14. Dynamic Ampacity Control for the PCAT Facility
15. Permanent Magnet Machine Vector Control With a Real Time PC Interface
16. Fault Diagnosis and Reconfiguration in a Multilevel Inverter Using a Principal Component Neural Network
17. Basic Switching Cells in Power Electronics Inverters
18. Modeling of Silicon Carbide Power Semiconductor Devices
19. Reactive Power Planning
20. A Nonlinear Least-Squares Approach for Identification of Induction Motor Parameters
21. Speed Estimation of the Induction Motor
22. Modeling and Analysis of an Active Front-End Induction Motor Drive for Reactive Power Compensation
23. A Generalized Nonactive Power Theory for Parallel Compensation
24. Ancillary Services from Distributed Energy Resources
25. Assessment of the Economic Benefits from Reactive Power Compensation
26. Design of a New Permanent Magnet Machine by 3D Finite Element Analysis
27. Fault Diagnosis System for a Mutlilevel Inverter Using a Neural Network