A hybrid, soft-switching, DC-DC converter has been developed with superior soft switching characteristics, high efficiency, and low electromagnetic interference. This hybrid topology is comprised of an uncontrolled bridge operating at full pulse-width, and a controlled section operating as a conventional phase modulated converter. The unique topology is able to maintain zero voltage switching down to no load operating conditions. A breadboard prototype was developed and tested to demonstrate the benefits of the topology. Improvements were then made to reduce the size of passive components and increase efficiency in preparation for packaging. A packaged prototype was then designed and built, and several innovative packaging techniques are presented. Performance test data is presented that reveals deficiencies in the design of the power transformer. A redesign of the transformer windings eliminated the deficiency. Future plans are presented that will improve the converter performance and shrink the packaging further.
|Original language||English (US)|
|State||Published - 2003|
|Event||1st International Energy Conversion Engineering Conference, IECEC 2003 - Portsmouth, VA, United States|
Duration: Aug 17 2003 → Aug 21 2003
|Other||1st International Energy Conversion Engineering Conference, IECEC 2003|
|Period||8/17/03 → 8/21/03|