Optimal Dual-Phase-Shift Control Strategy of an Isolated Buck-Boost Converter with a Clamped Inductor

Fang Li, Yan Li, Xiaojie You

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

An optimal dual-phase-shift control strategy of an isolated buck-boost converter is proposed in this paper. The theoretical analysis of dual-phase-shift control strategy is complemented, and the three-dimensional graphs of the output current versus two control variables are given. The optimal operating point is determined by the peak current of a clamped inductor and is shown as control trajectories in the three-dimensional graphs. Moreover, with the optimal dual-phase-shift control strategy, low current value, soft-switching operation, wide input voltage range regulation, whole load range regulation, and high-efficiency performance can be achieved. Furthermore, parameter design method deriving from the minimum peak current of the clamped inductor is given. At the end of this paper, a 1000 W-output prototype is fabricated to verify the effectiveness of the proposed control strategy.

Original languageEnglish (US)
Pages (from-to)5374-5385
Number of pages12
JournalIEEE Transactions on Power Electronics
Volume33
Issue number6
DOIs
StatePublished - Jun 1 2018

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Phase shift
Trajectories
Electric potential

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

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Optimal Dual-Phase-Shift Control Strategy of an Isolated Buck-Boost Converter with a Clamped Inductor. / Li, Fang; Li, Yan; You, Xiaojie.

In: IEEE Transactions on Power Electronics, Vol. 33, No. 6, 01.06.2018, p. 5374-5385.

Research output: Contribution to journalArticle

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