{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/45370"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/45370","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Analysis and design of a low-ripple coupled-inductor boost topology","abstract":"This thesis presents the development, analysis, and design of a new low-ripple coupled-inductor boost topology. This topology is proposed for applications in which the conventional boost requires an input filter and two-stage output filter. One \"zero-ripple\" coupled magnetic provides both energy storage and second-order filtering of the input and output currents. Dc analysis is presented along with design guidelines. A novel magnetic structure is proposed which simplifies design and manufacture, while improving reliability. Small signal models for the proposed topology are presented along with hardware verification. It is found that, with proper damping, the small signal characteristics of the coupled-inductor topology are very similar to those of the conventional boost. This new boost topology offers a compact alternative to the conventional boost without sacrificing performance.","abstract_html":"This thesis presents the development, analysis, and design of a new low-ripple coupled-inductor boost topology. This topology is proposed for applications in which the conventional boost requires an input filter and two-stage output filter. One "zero-ripple" coupled magnetic provides both energy storage and second-order filtering of the input and output currents. Dc analysis is presented along with design guidelines. A novel magnetic structure is proposed which simplifies design and manufacture, while improving reliability. Small signal models for the proposed topology are presented along with hardware verification. It is found that, with proper damping, the small signal characteristics of the coupled-inductor topology are very similar to those of the conventional boost. 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