Single pulse width modulation for dual-active-bridge converters considering parasitic capacitance of MOSFETs

Lee, Seung Ho; Kim, Byung Ki; Kim, Sungmin

doi:10.1007/s43236-022-00544-5

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Cited by 3 publications

References 12 publications

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A Novel Control Method for Single-Phase 25kV Solid-State Transformer for High-speed Railway Vehicle

Kim,

Lee,

Lee

et al. 2023

2023 IEEE Energy Conversion Congress and Exposition (ECCE)

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A Novel Control Method for Single-Phase 25kV Solid-State Transformer for High-speed Railway Vehicle

Kim,

Lee,

Lee

et al. 2023

2023 IEEE Energy Conversion Congress and Exposition (ECCE)

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A New Asymmetric Leakage Inductance for Enhancing Zero-Voltage Switching Performance in Asymmetric Triple-Active-Bridge Converters

Kim,

Dong,

Kim

et al. 2024

IEEE Trans. Power Electron.

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Novel Burst-Mode Control for Medium-to-Light Load Operation of Dual-Active-Bridge Converters, Achieving Minimum Backflow Power, Zero-Voltage-Switching, and DC Bias Suppression

Truong,

Na,

Park

et al. 2024

Energies

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The dual-active-bridge (DAB) converter is widely used in many applications such as solid-state transformers, multi-port converters, and on-board chargers. Nevertheless, its efficiency degrades significantly under light-load conditions due to high switching and conduction losses. Since a detailed analysis for burst-mode design has not been presented in the literature, effective burst-mode control for the light-load condition is proposed in this paper. In the proposed burst-mode, the regular duty cycle and the burst duty cycle are optimally coordinated to achieve the zero-voltage-switching (ZVS) condition and the minimum backflow power at the same time. Moreover, DC bias current is effectively eliminated in the proposed burst-mode. The switching loss and conduction loss are simultaneously minimized in the proposed burst-mode control. Therefore, the light-load efficiency is significantly improved. The detailed analysis and design procedure are also presented for both buck- and boost-mode operations to deal with widely varying output voltage ranges. The control mode switching condition is determined for achieving the ZVS condition for the whole load condition; thus, the proposed burst-mode control flowchart is presented. A 4 kW DAB converter prototype is built to verify the proposed method and the experiment results show about a 2% increment in efficiency of the proposed method compared to the conventional burst-mode method.

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Single pulse width modulation for dual-active-bridge converters considering parasitic capacitance of MOSFETs

Cited by 3 publications

References 12 publications

A Novel Control Method for Single-Phase 25kV Solid-State Transformer for High-speed Railway Vehicle

A Novel Control Method for Single-Phase 25kV Solid-State Transformer for High-speed Railway Vehicle

A New Asymmetric Leakage Inductance for Enhancing Zero-Voltage Switching Performance in Asymmetric Triple-Active-Bridge Converters

Novel Burst-Mode Control for Medium-to-Light Load Operation of Dual-Active-Bridge Converters, Achieving Minimum Backflow Power, Zero-Voltage-Switching, and DC Bias Suppression

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