Simple time-domain analysis of a multilevel DC-DC flying capacitor converter average aperiodic natural balancing dynamics

Adam Penczek, Andrzej Mondzik, Robert Stala, Alexander Ruderman

Research output: Contribution to journalArticle

Abstract

Reported capacitor average natural voltage balancing dynamics analysis methods are mostly based on frequencydomain Fourier transformations that involve infinite series. Therefore, these methods require high mathematical skills, are not truly analytical and difficult to use in engineering practise. This study suggests a time-domain power averaging-based approach to the analysis of a multilevel DC-DC flying capacitor converter (or, more generally, switched capacitive converter) aperiodic (non-oscillating) average voltage balancing dynamics. Simple analytical solutions are illustrated by single and dual capacitor converter examples that include pure resistive load and balance booster circuit. Theoretical results are supported by simulations and experimental verification.

Original languageEnglish
Pages (from-to)1179-1186
Number of pages8
JournalIET Power Electronics
Volume12
Issue number5
DOIs
Publication statusPublished - Jan 1 2019

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Time domain analysis
Capacitors
Electric potential
Dynamic analysis
Networks (circuits)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Simple time-domain analysis of a multilevel DC-DC flying capacitor converter average aperiodic natural balancing dynamics. / Penczek, Adam; Mondzik, Andrzej; Stala, Robert; Ruderman, Alexander.

In: IET Power Electronics, Vol. 12, No. 5, 01.01.2019, p. 1179-1186.

Research output: Contribution to journalArticle

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