Journal Article10.1109/TPEL.2013.2271511
Dead-Time Effect of the High-Frequency Isolated Bidirectional Full-Bridge DC–DC Converter: Comprehensive Theoretical Analysis and Experimental Verification
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TL;DR: In this paper, the authors presented a comprehensive theoretical analysis and experimental verification of dead-time effect in the isolated bidirectional full-bridge dc-dc converter (IBDC) with all operation states.
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Abstract: As the development of isolated bidirectional full-bridge dc-dc converter (IBDC), the dead-time effect has become an apparent issue. This paper presents a comprehensive theoretical analysis and experimental verification of dead-time effect in the IBDC. Besides the internal power transfer and phase drift phenomena mentioned in previous works, there are also many other novel phenomena caused by the dead time, such as voltage polarity reversal and voltage sag phenomena, etc. The paper gives a detailed switching characterization of the IBDC with dead-time effect in all operation states. On this basis, the transmission power characterization is analyzed comprehensively. Compared to the traditional theoretical model, the transmission power model with dead-time effect is not a strictly monotone increasing function, the relation curve is not symmetric around the median axis, and the zero point is not achieved at zero phase-shift ratio. In addition, in different operation states, the characterization is also different. Finally, experimental results verify the theoretical analysis.
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Citations
High-Efficiency Full-Bridge DC-DC Converter with Current-Doubler Rectifier with Asymmetric Pulse-Width Modulation
Min-Kwon Yang,Woo-Young Choi +1 more
- 20 Jun 2015
TL;DR: In this paper, the authors proposed a high-efficiency full-bridge DC-DC converter with a current-doubler rectifier and an asymmetric pulse-width modulation, which achieved zero-voltage switching of power switches without the circulating currents.
Comparison of Single - Phase-Shift And Extended -phase -shift Modulation of Isolated Bidirectional DC-DC Converter
Hafsa Benmakhlouf,Hacil Mahieddine +1 more
- 05 Nov 2023
TL;DR: Comparison of single-phase-shift and extended-phase-shift modulation of isolated bidirectional DC-DC converter for full-bridge-based isolated bidirectional dc–dc converter analysis and simulation.
Improved Modulation Strategy for Single-Phase Isolated Quasi-Single-Stage AC–DC Converter to Improve Current Characteristics
TL;DR: In this article, an improved triple-phase shift (ITPS) modulation for the single-phase isolated quasi-single-stage acdc converter is proposed to realize the current decouple between the adjacent switching periods and to reduce the grid current distortion.
Practical Dead-Time Control Methodology of a Three-Phase Dual Active Bridge Converter for a DC Grid System
Hyun-Jun Choi,Jung-Hoon Ahn,Jee-Hoon Jung,Sung-Geun Song +3 more
TL;DR: The dead-time control methodology of a 3P-DAB converter is studied to reduce switching losses and improve efficiency. The paper proposes an effective control strategy based on theoretical analysis and experimental results.
Analysis and Compensation of Dead-Time Effect in Dual Active Bridge with Asymmetric Duty Cycle
TL;DR: This paper proposes a dead-time compensation modulation strategy for dual-active-bridge converters with asymmetric duty cycle, improving efficiency by 1.4-4% and reducing current stress by 1.84-3.13% through a five-degree-of-freedom phase shift approach.
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Amit K. Jain,Raja Ayyanar +1 more
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Design Methodology of Bidirectional CLLC Resonant Converter for High-Frequency Isolation of DC Distribution Systems
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