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Optimal control of a three level DC to DC buck converter

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3 Author(s)
Perez-Guerrero, F.F. ; Dept. of Electr. & Comput. Eng., Puerto Rico Univ., Mayaguez, Puerto Rico ; Venkatesan, K. ; Patterson, R.L.

The present work deals with the design and development of an optimal closed-loop three level DC-to-DC buck converter. The effect of phase shift on efficiency and voltage across the energy transfer capacitor of the power circuit has been investigated. A charge-pump controller has been added to a closed-loop system and the performance has been experimentally studied. Since all studies indicate an optimal phase shift of 180 degrees, a simple closed-loop system with a fixed phase of 180 degrees has been designed, fabricated and tested

Published in:

Applied Power Electronics Conference and Exposition, 1999. APEC '99. Fourteenth Annual  (Volume:2 )

Date of Conference:

14-18 Mar 1999