Design methodology of a balancing network for supercapacitors

Federico Ibanez, J. Vadillo, J. M. Echeverria, L. Fontan

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

14 Citations (Scopus)

Abstract

This paper presents and analyzes a non-dissipative balancing system for supercapacitors. The circuit design is carried out by means of a controlled buck-boost converter in order to have the same voltage in each supercapacitor. The paper presents an energy loss analysis in two cases: a dissipative and a non-dissipative balancing circuit. It also develops a probabilistic analysis in order to estimate the efficiency of the balancing system during a constant current charge for a 10-, 30- and 45-supercapacitor series stack. Finally, simulations and measurements are carried out to verify efficiency in a supercapacitor stack with the buck-boost topology. The prototype on which the balancing analysis is performed consists of 45 3000F supercapacitors, and stacks of up to 60 devices are simulated.

Original languageEnglish
Title of host publication2013 4th IEEE/PES Innovative Smart Grid Technologies Europe, ISGT Europe 2013
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event2013 4th IEEE/PES Innovative Smart Grid Technologies Europe, ISGT Europe 2013 - Lyngby, Denmark
Duration: 6 Oct 20139 Oct 2013

Publication series

Name2013 4th IEEE/PES Innovative Smart Grid Technologies Europe, ISGT Europe 2013

Conference

Conference2013 4th IEEE/PES Innovative Smart Grid Technologies Europe, ISGT Europe 2013
Country/TerritoryDenmark
CityLyngby
Period6/10/139/10/13

Keywords

  • Balancing circuit
  • Buck-Boost
  • Supercapacitor

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