Results 1 to 10 of about 679 (139)
A Fixed Frequency Zero-Voltage-Switching On-Board EV Charger
IEEE Open Journal of Power Electronics, 2022 For electric vehicle (EV) onboard charging, high efficiency and power density of the charger is required. Soft switching technique is an effective way to increase On-Board Charger (OBC) power density and efficiency.
Changsheng Hu +4 more
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Electronics Letters, 2021 This letter proposes a simplified zero‐voltage switching (ZVS) detection circuit and switching loss dynamic optimisation method. The proposed circuit and tuning method can automatically adjust the switching frequency of a synchronous buck converter to ...
Sizhao Lu, Xiaoting Deng, Siqi Li
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Energies, 2022 This paper presents a comprehensive analysis of zero-voltage-switching (ZVS) realization with an improved charge-based method by considering both voltage dependency parasitic capacitance and dead time in dual-active-bridge (DAB) converters, when the ...
Haoyu Zhang, Takanori Isobe
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High‐frequency single‐switch PFC with frequency‐modulation controlled class‐E2 converter
IET Power Electronics, 2021 This paper presents a single‐switch zero‐voltage switching (ZVS) power‐factor correction converter based on the class‐E2 converter at 1 MHz switching frequency. A design method for ensuring the ZVS for the entire line‐voltage period is proposed.
Wenqi Zhu +5 more
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Applied Sciences, 2022 The isolated three-level DC/DC converter (ITLDC) can be used to charge electric vehicles. During the constant current charging stage, the ITLDC can be designed to realize nature zero voltage switching (ZVS).
Shaogui Fan +4 more
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48-V Input DC-DC High Step-Down Converter in GaN-Based Design
IEEE Access, 2022 This paper presents a novel high step-down DC-DC converter based on a switched-capacitor resonant topology. It is presented in a 48/8 V version, which was verified by simulations and experiments.
Szymon Folmer +2 more
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Zero-Voltage-Switching Analysis Model of the Triple-Active-Bridge Converter
Energies, 2023 This study aims to analyze the zero-voltage-switching (ZVS) region of a Triple-Active-Bridge (TAB) converter with five degrees of freedom. A TAB converter is an isolated converter derived from a dual-active-bridge (DAB) converter and composed of three ...
Hyung-Jun Byun +3 more
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A Bilateral Zero-Voltage Switching Bidirectional DC-DC Converter with Low Switching Noise
Energies, 2018 This paper proposes a novel bilateral zero-voltage switching (ZVS) bidirectional converter with synchronous rectification. By controlling the direction and timing of excessive current injection, the main power switches can achieve bilateral ZVS under ...
Chien-Chun Huang +3 more
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IEEE Access, 2021 This paper presents the concept and results of a novel resonant DC-DC converter which achieves high voltage gain at a low number of utilized switches, low voltage stress on transistors, ZVS and ZCS operation, high efficiency and variable voltage gain ...
Szymon Folmer, Robert Stala
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Discontinuous Current Mode Modeling and Zero Current Switching of Flyback Converter
Energies, 2021 The flyback converters are widely used in low power applications. The switch typically requires 600 V breakdown voltage in order to perform large step-down voltage.
Rustam Kumar +5 more
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