Unified phasor analytical method for dual-active-bridge DC/DC converter under phase-shift control

Two-three (2/3)-level dual-active-bridge (DAB) DC-DC converters have high potential to become a promising solution for medium-voltage DC (MVDC) systems. In this paper, the operating constraints based on the switching characteristics of the 2/3-level DAB converters are analyzed comprehensively with a five-level control scheme, in order to ensure stable and reliable operation. Furthermore, to reduce the complexity of the modeling, a unified power-transfer model is derived based on an equivalent method, and five operating modes are divided, being the references for reliable and efficient control. Simulation results verify the effectiveness of the operating constraints and accuracy of the proposed model.

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Model Predictive Control with Gradient Descent Applied to DAB Converter Control

De Lima,

Souza,

Nardoto

et al. 2023

2023 13th International Conference on Power, Energy and Electrical Engineering (CPEEE)

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Unified phasor analytical method for dual-active-bridge DC/DC converter under phase-shift control

Cited by 7 publications

References 11 publications

Optimal control of DAB converter backflow power based on phase-shifting strategy

Optimal control of DAB converter backflow power based on phase-shifting strategy

Modeling and Analysis of 2/3-Level Dual-Active-Bridge DC-DC Converters with the Five-Level Control Scheme

Model Predictive Control with Gradient Descent Applied to DAB Converter Control

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