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Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
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Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
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Sensors and Materials
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is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
Instructions to authors
English 日本語
Instructions for manuscript preparation
English 日本語
Template
English
Publisher
MYU K.K.
Sensors and Materials
1-23-3-303 Sendagi,
Bunkyo-ku, Tokyo 113-0022, Japan
Tel: 81-3-3827-8549
Fax: 81-3-3827-8547
MYU Research, a scientific publisher, seeks a native English-speaking proofreader with a scientific background. B.Sc. or higher degree is desirable. In-office position; work hours negotiable. Call 03-3827-8549 for further information.
MYU Research
(proofreading and recording)
MYU K.K.
(translation service)
The Art of Writing Scientific Papers
(How to write scientific papers)
(Japanese Only)
Sensors and Materials, Volume 35, Number 5(2) (2023)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 1647-1657
S&M3277 Research Paper of Special Issue https://doi.org/10.18494/SAM4307 Published: May 22, 2023 Design and Analysis of an AC/DC Charger with High Power Factor and High Efficiency [PDF] Cheng-Tao Tsai and Feng-Wei Peng (Received January 7, 2023; Accepted April 26, 2023) Keywords: power factor correction, inductor-inductance-capacitor resonant converter, soft-switching
In this paper, an AC/DC charger with high power factor and high efficiency is proposed. The topology of the AC/DC charger makes use of an active power factor correction (PFC) circuit and a DC/DC half-bridge inductor-inductance-capacitor (LLC) resonant converter with high efficiency, which has the following advantages: (1) By incorporating a current-sensing circuit, a zero-current detection circuit, and an active PFC circuit in the front, the AC source can decrease harmonic currents. Therefore, the power factor of the proposed AC/DC charger can approach 0.997. (2) By incorporating a DC/DC half-bridge LLC resonant converter with soft-switching functions in the rear, the power losses of the active switches can be decreased and the efficiency can be improved significantly. Finally, a prototype of the AC/DC charger with high power factor and high efficiency is designed and analyzed. The results of the experiments are presented to prove the function and probability of the AC/DC charger with high power factor and high efficiency.
Corresponding author: Cheng-Tao Tsai  This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Cheng-Tao Tsai and Feng-Wei Peng, Design and Analysis of an AC/DC Charger with High Power Factor and High Efficiency, Sens. Mater., Vol. 35, No. 5, 2023, p. 1647-1657. |
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