Light-Load Efficiency Enhancement of High-Frequency Dual-Active-Bridge Converter Under SPS Control

Chen, Xiaoying; Xu, Guo; Han, Hua; Liu, Dong; Sun, Yang; Su, Mei

doi:10.1109/tie.2020.3044803

Cited by 52 publications

(23 citation statements)

References 12 publications

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“…The degree of freedom of control ('d1', 'd2', and 'd3') is three for the TPS technique, which is complex for practical implementation, and it is shown in Figure 17(d). This technique for voltage-fed IBDC converter gives less circulating power compared to the former three techniques (SPS, EPS and DPS) [100], [101].…”

Section: Discussionmentioning

confidence: 96%

High frequency isolated bidirectional dual active bridge DC-DC converters and its application to distributed energy systems: an overview

Bathala

Kishan

Harischandrappa

2023

IJPEDS

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Among the DC-DC converters, an isolated bidirectional dual active bridge converter is a core circuit for high-frequency power converters in distributed energy system applications. These high-frequency power conversion systems attract academia and industry due to various advantages, such as high-power density, less weight, reduced noise, high efficiency, low cost and high reliability. First, the importance of power electronic converters in modern-day life is introduced. Second, a topological overview of voltage-fed and current-fed isolated bidirectional dual active bridge converters is presented with their importance in integrating hybrid power sources. Third, switching modes of isolated bidirectional DC-DC converters are also presented with a degree of freedom of control. Forth, performance evaluation of voltage-fed and current-fed isolated bidirectional converters has been presented with an example. Their suitability in integrating fuel cells and photovoltaics with energy storage systems in low to medium-power applications is presented.

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Section: Discussionmentioning

confidence: 96%

High frequency isolated bidirectional dual active bridge DC-DC converters and its application to distributed energy systems: an overview

Bathala

Kishan

Harischandrappa

2023

IJPEDS

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“…Generally, it includes three main modulation strategies: single phase shift (SPS), dual phase shift (DPS) and triple phase shift (TPS). With SPS strategy, the phase shift between the full bridges H 1 and H 2 can be modulated [8]. DPS has one more modulation parameter compared with SPS, which is the duty ratio of the full bridges [9].…”

Section: Introductionmentioning

confidence: 99%

Automatic Triple Phase-Shift Modulation for DAB Converter With Minimized Power Loss

Lin

Zhang

et al. 2022

IEEE Trans. on Ind. Applicat.

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“…The phase control of the DAB converter uses single-phase-shift (SPS) control for ease of control. The SPS method also helps achieve zero-voltage switching (ZVS) over a wide area when the input/output voltage ratio is 1 [15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Influence Analysis of SiC MOSFET’s Parasitic Capacitance on DAB Converter Output

Choi

et al. 2022

Electronics

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This paper proposes the influence analysis of silicon carbide (SiC) MOSFET’s parasitic output capacitance on a dual active bridge (DAB) converter. Power converters are required for DC grids and energy storage. Because SiC metal-oxide-semiconductor FETs (MOSFETs) have lower on-state resistance and faster reverse recovery time than Si MOSFETs, they can be controlled with lower losses and higher frequencies. MOSFETs have a parasitic capacitance. Because of the output parasitic capacitance, the switch voltage does not rise instantaneously during switching but has a delay. The output parasitic capacitance of the switch depends on its drain-to-source voltage, and this parasitic capacitance affects the output of the DAB converter by delaying the switch voltage. In this paper, in order to analyze the effect of the parasitic capacitance on the DAB converter output, the delay time was calculated through a formula, and this value was compared with a simulated value. In addition, the effect of the parasitic capacitance of the SiC MOSFET on the output of the DAB converter was presented by comparing the actual output voltage with the ideal output voltage and analyzing the effect of the output voltage according to the delay.

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Light-Load Efficiency Enhancement of High-Frequency Dual-Active-Bridge Converter Under SPS Control

Cited by 52 publications

References 12 publications

High frequency isolated bidirectional dual active bridge DC-DC converters and its application to distributed energy systems: an overview

High frequency isolated bidirectional dual active bridge DC-DC converters and its application to distributed energy systems: an overview

Automatic Triple Phase-Shift Modulation for DAB Converter With Minimized Power Loss

Influence Analysis of SiC MOSFET’s Parasitic Capacitance on DAB Converter Output

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