Modeling and analysis of resonant switched capacitor converters with free-wheeling ZCS

Eli Hamo, Michael Evzelman, Mor Mordechai Peretz

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper introduces a unified modeling methodology to describe and explore the loss mechanism of resonant Switched Capacitor Converter (SCC) operating in a self-commutation zero current switching. The conventional equivalent resistance concept, which assumes a single conduction path of the resonant current, is generalized to model the losses in cases where the resonant current is divided across several conduction loops. The new modeling concept is compatible to describe the losses resulting from resistive elements as well as P-N junction devices, offering a closed-form solution for the equivalent resistance. Verification of the concept has been carried out by simulations and experiments on 3-30W unity and double gain resonant SCC with free-wheeling ZCS. A very good agreement is obtained between the theoretical calculations, simulations and experimental results, well demonstrating the model capability to identify the loss contributors in each conduction path.

Original languageEnglish
Title of host publicationAPEC 2014 - 29th Annual IEEE Applied Power Electronics Conference and Exposition
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2913-2918
Number of pages6
ISBN (Print)9781479923250
DOIs
StatePublished - 1 Jan 2014
Event29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014 - Fort Worth, TX, United States
Duration: 16 Mar 201420 Mar 2014

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Conference

Conference29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014
Country/TerritoryUnited States
CityFort Worth, TX
Period16/03/1420/03/14

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