Project Title:

Analysis, Design, and Control of Cellular Power Converter Architectures

Principal Investigators:

David Perreault
John Kassakian

Research Staff:

Mingjuan Zhu

Sponsor:

United States Office of Naval Research

Program Areas:

Power Electronics and Control

Duration:

June 1996-June 2000

Abstract:

Highly parallel, or cellular, power converter architectures have tremendous potential advantages in many applications, including improvements in performance and reliability and reductions in cost as compared to conventionally-design converters.

This research explores the analysis, design, and control of cellular converter architectures with the objective of achieving improvements in performance, reliability, and cost over conventional converter designs. New approaches are developed and experimentally verified for highly distributed control of cellular converters, including methods for current-sharing control and ripple-cancellation control. The dynamics of these techniques are analyzed, and their performance is quantified. Cell topologies and designs suited to the cellular architecture are also investigated, and their use in systems in the range of 5 - 50 kVA is explored.

References and Links:

United States Office of Naval Research

Publications:

1. D.J. Perreault and J.G. Kassakian, "Design and Evaluation of a Cellular Rectifier System with Distributed Control," IEEE Trans. Industrial Electron., Vol. 46, No. 3, June 1999, pp. 495-503.
2. D.J. Perreault, K. Sato, R.L. Selders, and J.G. Kassakian, "Switching-Ripple-Based Current Sharing for Paralleled Power Converters," IEEE Trans. on Circuits and Systems - I, (in press).
3. M. Zhu, D.J. Perreault, V. Caliskan, T.C. Neugebauer, S. Guttowski, and J.G. Kassakian, “Design and Evaluation of an Active Ripple Filter with Rogowski-Coil Current Sensing,” 1999 IEEE Power Electronics Specialists Conference, June 1999, pp. 874-880.
4. A. Garg, D.J. Perreault, and G.C. Verghese, "Feedback Control of Paralleled Symmetric Systems, with Applications to Nonlinear Dynamics of Paralleled Power Converters," 1999 IEEE International Symposium on Circuits and Systems, Orlando, FL, May 1999.
5. D.J. Perreault, R.L. Selders, and J.G. Kassakian, "Frequency-Based Current-Sharing Techniques for Paralleled Power Converters," IEEE Trans. Power Electron., Vol. 13, No. 4, July 1998, pp. 626-634.
6. D.J. Perreault and J.G. Kassakian, "Distributed Interleaving of Paralleled Power Converters," IEEE Trans. on Circuits and Systems - I, Vol. 44, No. 8, August 1997, pp. 728-734
7. D.J. Perreault and J.G. Kassakian, "Analysis and Control of a Cellular Converter System With Stochastic Ripple Cancellation and Minimal Magnetics," IEEE Trans. Power Electron., Vol. 12, No. 1, Jan. 1997, pp. 145-152.