Control of Bidirectional Interleaved DC-DC Converter with Single Current Sensor

Hung-Chi Chen, Che Yu Lu, Chi Hsiu Lu

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

2 Scopus citations

Abstract

Current sharing control method for bidirectional interleaved DC-DC converter is presented in this paper. An single-current sampling strategy is proposed to measure and reconstruct the difference of average inductor currents from single current sensor. Based on the theoretical analysis, the proposed control method can restrain the interactions from voltage regulation loop and current sharing loop. In addition, the small-signal transfer functions among control signals, output voltage and current imbalances are clearly derived. Finally, a 300-W three-phase bidirectional interleaved DC-DC converter prototype is built, and the control algorithm is implemented in a Field Programmable Gate Array (FPGA) chip. Eventually, the proposed current sharing control method and single current sensor sampling strategy is validated through some simulation and experimental results.

Original languageEnglish
Title of host publication2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2171-2177
Number of pages7
ISBN (Electronic)9781479973118
DOIs
StatePublished - 3 Dec 2018
Event10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018 - Portland, United States
Duration: 23 Sep 201827 Sep 2018

Publication series

Name2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018

Conference

Conference10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018
CountryUnited States
CityPortland
Period23/09/1827/09/18

Keywords

  • Current sampling strategy
  • Current sharing control
  • Interleaved DC-DC converter

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