Results 11 to 20 of about 1,018 (138)
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, 2019 Photovoltaic (PV) power generation has shown a trend towards large-scale medium- or high-voltage integration in recent years. The development of high-frequency link PV systems is necessary for the further improvement of system efficiency and the ...
Rui Li, Fangyuan Shi, Xu Cai, Haibo Xu
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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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GMS Zeitschrift für Medizinische Ausbildung, 2010 [english] Since 2004 German universities have been able to use a selection procedure to admit up to 60 percent of new students. In 2005, the Carl Gustav Carus Faculty of Medicine at Dresden introduced a new admission procedure.
Koch, Thea +4 more
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Modeling and Control of Inverter Zero-Voltage-Switching for Inductive Power Transfer System
IEEE Access, 2019 It's very important to maintain the inverter zero-voltage-switching(ZVS) for inductive power transfer (IPT) system, especially for those high power applications. The ZVS condition can be obtained via regulating the inverter operating frequency of the IPT
Jiangtao Liu +3 more
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Load‐independent inverse class‐E ZVS inverter and its application to wireless power transfer systems
IET Power Electronics, 2022 This paper proposes a load‐independent inverse class‐E zero‐voltage switching (ZVS) inverter. The proposed inverter achieves the constant output current and the ZVS at any load resistance without any control.
Ayano Komanaka +4 more
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Journal of Modern Power Systems and Clean Energy, 2019 Power electronic conversion plays an important role in flexible AC or DC transmission and distribution systems, integration of renewable energy resources, and energy storage systems to enhance efficiency, controllability, stability, and reliability of ...
Keyan Shi +3 more
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Wireless Power TransferIn dynamic wireless power transfer (DWPT) systems employing transmitting (Tx) coil arrays, output power fluctuations aggravate battery charging current ripples and compromise system stability.
Weihan Li +3 more
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IEEE Open Journal of Power Electronics, 2020 A general PWM method for soft-switching three-phase power converters-Edge Aligned PWM (EA-PWM) is proposed. It aligns all the high loss commutation instants of the converter bridges in a switching cycle at the same instant so that all the switches of the
Keyan Shi, Jinyi Deng, Dehong Xu
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Analysis on boundary conditions of soft switching for DC electric spring with parallel topology
IET Power Electronics, 2021 The concept of DC electric spring (DCES) has been introduced some years ago to solve the voltage stabilisation issue caused by the high penetration of intermittent renewable energy sources (RESs) into DC power systems.
Qingsong Wang +4 more
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