Articles with "zvs" as a keyword



A ZVS high step-up converter based on an integrated boost-cuk topology

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Published in 2021 at "Electrical Engineering"

DOI: 10.1007/s00202-021-01340-3

Abstract: In this paper, a new non-isolated DC-DC converter is proposed. This converter topology is a high step-up boost converter with an extended voltage multiplier cell and a Cuk converter as a series output module. Compared… read more here.

Keywords: zvs; topology; cuk; high step ... See more keywords

Mechanically activated zero-valent silicon by coating silica to decolorize Acid Red 73 dye

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Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2021.127020

Abstract: Abstract For the treatment of various contaminants involving the reduction action, utilization of zero-valent silicon (ZVS) may be expected due to its higher reactivity than zero-valent iron (ZVI) which has been predominantly investigated. However, the… read more here.

Keywords: active zvs; zvs; valent silicon; coating silica ... See more keywords

Generation of zero-valent sulfur from dissimilatory sulfate reduction in sulfate-reducing microorganisms.

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Published in 2023 at "Proceedings of the National Academy of Sciences of the United States of America"

DOI: 10.1073/pnas.2220725120

Abstract: Dissimilatory sulfate reduction (DSR) mediated by sulfate-reducing microorganisms (SRMs) plays a pivotal role in global sulfur, carbon, oxygen, and iron cycles since at least 3.5 billion y ago. The canonical DSR pathway is believed to… read more here.

Keywords: zvs; sulfur; dissimilatory sulfate; sulfate reduction ... See more keywords

Optimized Control for Modified Push-Pull Dual Active Bridge Converter to Achieve Wide ZVS Range and Low Current Stress

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3117873

Abstract: Compared with the traditional dual active bridge (DAB) converter, the push-pull DAB converter can reduce the number of switching devices and is suited for low voltage applications. In order to extend the zero voltage switching… read more here.

Keywords: range; zvs; optimized control; push pull ... See more keywords
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A High-Efficiency ZVS Wireless Power Transfer System for Electric Vehicle Charging WithVariable Angle Phase Shift Control

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Published in 2021 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"

DOI: 10.1109/jestpe.2020.2984575

Abstract: Tight current/voltage regulation and high efficiency are the fundamental objectives of wireless power transfer systems (WPTSs) for electric vehicle (EV) chargers. To achieve high efficiency and minimize electromagnetic interference, it is necessary to ensure zero-voltage… read more here.

Keywords: system; high efficiency; zvs; power ... See more keywords

Hybrid SVM for Enhanced Efficiency of 3L ANPC Inverter With Full ZVS Range

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Published in 2024 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"

DOI: 10.1109/jestpe.2024.3411105

Abstract: The zero-voltage-switching variable frequency (ZVS-VF) control can achieve ZVS without auxiliary circuit. Nevertheless, it will increase switching losses under light load and conduction losses under heavy load, thus affecting efficiency. This is particularly evident in… read more here.

Keywords: efficiency; inverter; zvs; zvs range ... See more keywords

Practical Phase Shift Angle Bounds in Current Fed Digitally Controlled ZVS Semi-Active Rectifiers

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Published in 2025 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"

DOI: 10.1109/jestpe.2024.3496702

Abstract: This article reveals issues with operation of practical current source fed phase shift controlled semi-active rectifier (PS-ZVS SAR), often utilized as the output stage of resonant converters functioning in the load-independent output current mode. Active… read more here.

Keywords: shift angle; zvs; output; phase ... See more keywords

Multimode Control Scheme for Full-Load Range ZVS of Phase Shift Full-Bridge Converter

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Published in 2025 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"

DOI: 10.1109/jestpe.2024.3511540

Abstract: This article proposes a multimode control (MMC) scheme to resolve the narrow zero-voltage switching (ZVS) range of the lagging-leg switches in the conventional phase-shifted full-bridge (PSFB) converter. This article analyzes and establishes ZVS process model… read more here.

Keywords: scheme; control; load; zvs ... See more keywords

A Real-Time Calibrated Adaptive-ZVS Class-D Power Amplifier for 6.78 MHz Wireless Power Transfer System

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Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2022.3179422

Abstract: This brief presents a class-D power amplifier (PA) with an adaptive zero-voltage switching (A-ZVS) technique for 6.78 MHz resonant wireless power transfer (R-WPT) system. In R-WPT operation, the loading impedance of a PA can be… read more here.

Keywords: topology; system; mhz; zvs ... See more keywords

Dual-Active-Bridge Converter With Parallel-Connected Full Bridges in Low-Voltage Side for ZVS by Using Auxiliary Coupling Inductor

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Published in 2019 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2018.2877145

Abstract: A dual-active-bridge (DAB) converter with parallel-connected full bridges in low-voltage side is proposed in this paper. A coupling inductor is integrated into the two low-voltage-side full bridges for zero-voltage-switching (ZVS) operation throughout full-load range. By… read more here.

Keywords: low voltage; parallel connected; converter; zvs ... See more keywords
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Asymmetric ZVS Buck Converters With High-Step-Down Conversion Ratio

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Published in 2021 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2020.3013538

Abstract: This article proposes a family of asymmetric high-step-down converters in which zero voltage switching (ZVS) is achieved and common ground between the input and the output is retained. The proposed converters are derived from the… read more here.

Keywords: step conversion; zvs; high step; conversion ratio ... See more keywords