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An active cell-to-cell balancing circuit with planar coupled inductors for series connected batteries

  • Harbin Institute of Technology

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

Abstract

The active cell-to-cell equalizers can achieve energy transfer between two cells, which may be an effective equalization method in some battery applications. This paper proposes a new direct cell-to-cell active equalizer using planar coupled inductors. The new circuit allows the energy to transfer directly between any two cells by fly-back operation or Buck-Boost operation which gives a short balancing path and guarantees a fast equalization speed. The planar coupled inductors are adopted for high power density. The results of balancing test with a six-20Ah Lithium-ion battery string show the validity of the circuit.

Original languageEnglish
Title of host publication2019 IEEE 4th International Future Energy Electronics Conference, IFEEC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728131535
DOIs
StatePublished - Nov 2019
Event4th IEEE International Future Energy Electronics Conference, IFEEC 2019 - Singapore, Singapore
Duration: 25 Nov 201928 Nov 2019

Publication series

Name2019 IEEE 4th International Future Energy Electronics Conference, IFEEC 2019

Conference

Conference4th IEEE International Future Energy Electronics Conference, IFEEC 2019
Country/TerritorySingapore
CitySingapore
Period25/11/1928/11/19

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • active equalization
  • cell to cell balancing circuit
  • planar coupled inductors
  • series connected Lithium-ion batteries

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