A reduced-order observer-based control system designed in the frequency domain for dual-Active-bridge converter

Duy Dinh Nguyen, Goro Fujita, Quang Bui-Dang, Minh C. Ta

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A new strategy for controlling single-phase dual-Active-bridge converter is proposed in this paper. It is realized by employing dynamic control of the direct and quadrature current components, detached from the transferred current. The direct component Id is determined approximately from the terminal current, whereas, the quadrature one, Iq, is estimated by a reduced-order observer. All the models and equations are derived based on the frequency-domain analysis. Switching frequency is then variable to manipulate Id, while the phase shift between the two bridges is used to handle Iq and the power flow. Since Id and Iq are controlled, active and reactive power in the circuit are completely handled. A 500 W experiment system is built to verify the proposed control algorithm.

Original languageEnglish
Title of host publication2016 IEEE International Conference on Sustainable Energy Technologies, ICSET 2016
PublisherIEEE Computer Society
Pages102-107
Number of pages6
ISBN (Electronic)9781509052004
DOIs
Publication statusPublished - 2017 Jan 9
Event4th IEEE International Conference on Sustainable Energy Technologies, ICSET 2016 - Hanoi, Viet Nam
Duration: 2016 Nov 142016 Nov 16

Other

Other4th IEEE International Conference on Sustainable Energy Technologies, ICSET 2016
CountryViet Nam
CityHanoi
Period16/11/1416/11/16

Keywords

  • Dual-Active-bridge converter
  • frequency domain analysis
  • frequency modulation
  • reduced-order observer
  • single phase shift

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment

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