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A simple resonant frequency tracking technique for LLC resonant converters
2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA), 2017 A LLC resonant converter (LLC-RC) has been widely used in DC/DC converters for the benefits of high efficiency and high power density. The efficiency of a LLC resonant converter is greatly dependent on the switching frequency. In order to achieve higher efficiency, the switching frequency should be equal to the resonant frequency. This paper presents a
Abu-Rub, Haitham +2 more
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Paralleling of LLC Resonant Converters
IEEE Transactions on Power Electronics, 2021The LLC resonant converter is a popular, variable switching frequency dc--dc converter that may be controlled using two methods: charge and frequency control. In this article, the application of LLC resonant converters to input-parallel, output-parallel system is studied. In this respect, the models of output-port I-V characteristics and small-signal
Suyash Sushilkumar Shah +2 more
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High-Efficiency Bidirectional LLC Resonant Converter with Primary Auxiliary Windings
Energies, 2019 In this paper, high-efficiency bidirectional LLC resonant converters with primary auxiliary windings in transformers of resonant circuits are proposed.
Eun-Soo Kim
exaly +2 more sources
Overview of Modulation Strategies for LLC Resonant Converter
IEEE Transactions on Power Electronics, 2020In this article, based on the LLC resonant converter fundamental harmonic analysis model, the modulation strategies for LLC resonant converter can be categorized into the following three groups: 1) input voltage fundamental harmonic modulation; 2 ...
Yuqi Wei +2 more
exaly +2 more sources
Design of an Integrated Transformer With Parallel Windings for a 30-kW LLC Resonant Converter
IEEE transactions on power electronics, 2023Transformer design is critical to high-power high-frequency dc/dc resonant converters. For the design of a high-current transformer with parallel windings, current sharing, resonant inductance integration, as well as performance optimization are still ...
Tianlong Yuan +4 more
semanticscholar +1 more source
A Structure-Reconfigurable LLC Resonant Converter With Wide Gain Range
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2023In this article, a structure-reconfigurable LLC (SR- LLC) resonant converter is proposed for wide output voltage applications. The converter can operate in half-bridge mode or full-bridge mode by modulating the driving signal of the switches.
Qinglin Zhao +4 more
semanticscholar +1 more source
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2023
The 48-V bus converter has been gradually adopted in intermediate bus architecture. The ever-growing development of data centers consumes significant power, thereby pushing power converters to be more efficient.
Mingxiao Li +3 more
semanticscholar +1 more source
The 48-V bus converter has been gradually adopted in intermediate bus architecture. The ever-growing development of data centers consumes significant power, thereby pushing power converters to be more efficient.
Mingxiao Li +3 more
semanticscholar +1 more source
IEEE transactions on industrial electronics (1982. Print), 2023
The LLC resonant converter operated with fixed switching frequency can realize the function of dc transformer (DCX) and achieve high efficiency. To regulate the output voltage, a preregulator or postregulator is required, and thus constituting the DCX ...
Fei Liu, X. Ruan, Yuyang Jiang
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The LLC resonant converter operated with fixed switching frequency can realize the function of dc transformer (DCX) and achieve high efficiency. To regulate the output voltage, a preregulator or postregulator is required, and thus constituting the DCX ...
Fei Liu, X. Ruan, Yuyang Jiang
semanticscholar +1 more source
IEEE transactions on power electronics, 2023
LLC resonant converters are widely used in high power density and high efficiency applications. Practically, the parasitic capacitors of mosfets and diodes, the stray capacitor of the high frequency transformer, and the dead time will have a great impact
Ziheng Xiao +3 more
semanticscholar +1 more source
LLC resonant converters are widely used in high power density and high efficiency applications. Practically, the parasitic capacitors of mosfets and diodes, the stray capacitor of the high frequency transformer, and the dead time will have a great impact
Ziheng Xiao +3 more
semanticscholar +1 more source
Reconfigurable LLC Resonant Converter for Bidirectional Electric-Vehicle Chargers
IEEE transactions on power electronics, 2023This letter proposes a reconfigurable LLC resonant converter for bidirectional electric-vehicle chargers. The proposed converter can achieve the monotonic voltage gain curves of a unidirectional LLC resonant converter in both charging and discharging ...
Cheol-Hee Jo, Dong-Hee Kim
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