Efficiency Improvement and High-Performance Control of Dual-Active-Bridge DC-DC Converter with Triple-Phase-Shift Modulation

Qiang Ren; Fei Xiao; Jilong Liu; Peng Chen; Zhichao Zhu

doi:10.17775/CSEEJPES.2021.02880

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Efficiency Improvement and High-Performance Control of Dual-Active-Bridge DC-DC Converter with Triple-Phase-Shift Modulation

Regular Papers | 更新时间：2026-10-15

- Efficiency Improvement and High-Performance Control of Dual-Active-Bridge DC-DC Converter with Triple-Phase-Shift Modulation
- CSEE Journal of Power and Energy Systems Vol. 10, Issue 6, Pages: 2434-2445(2024)
- 作者机构：
  
  National Key Laboratory of Electromagnetic Energy, Naval University of Engineering,Hubei,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.02880
  CLC：
- Published：01 November 2024
- 稿件说明：
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Qiang Ren, Fei Xiao, Jilong Liu, et al. Efficiency Improvement and High-Performance Control of Dual-Active-Bridge DC-DC Converter with Triple-Phase-Shift Modulation[J]. CSEE Journal of Power and Energy Systems, 2024, 10(6): 2434-2445.
DOI：

Qiang Ren, Fei Xiao, Jilong Liu, et al. Efficiency Improvement and High-Performance Control of Dual-Active-Bridge DC-DC Converter with Triple-Phase-Shift Modulation[J]. CSEE Journal of Power and Energy Systems, 2024, 10(6): 2434-2445. DOI： 10.17775/CSEEJPES.2021.02880.

摘要

Abstract

This paper analyzes the optimal switching modes of the dual-active-bridge (DAB) DC-DC converter to minimize losses in DC-DC converters that exhibit a wide voltage range

high efficiency

and high performance. By solving the multi-objective constrained conditional extremums with the Karush-KuhnTucker (KKT) method

a triple-phase-shift (TPS) optimal modulation with full range of operation

global continuity

and simple calculation is obtained. By adopting TPS modulation

the DAB can decrease reactive power when dc voltages are mismatched and obtain global optimization of conduction loss and soft-switching in the full range of operation. Generation of dc-offset current in the ac link is analyzed. Static and dynamic dc-offset currents are suppressed based on TPS modulation. With direct-power feed-forward

high-dynamic control is used to improve system response to external disturbances. The digital control strategy of the whole system is designed

and optimal modulation and high-performance control are verified on the experimental prototype.

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