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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 32, Number 6(1) (2020)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 2045-2055
S&M2239 Research Paper of Special Issue https://doi.org/10.18494/SAM.2020.2781 Published: June 10, 2020 Bridgeless Single-stage Step-down Power Factor Corrector under Synchronous Switching Control Scheme [PDF] Chih-Lung Shen and Li-Zhong Chen (Received December 1, 2019; Accepted April 30, 2020) Keywords: power factor corrector, bridgeless, galvanic isolation, high step-down voltage ratio
In this paper, a novel bridgeless power factor corrector (PFC) is proposed. The PFC can shape the waveform of the input current to be sinusoidal and in phase with the AC input voltage simply by sensing of the AC voltage, input current, and output voltage. That is, it is able to achieve a unity power factor. As compared with conventional PFCs, the proposed PFC possesses the particular features of high step-down voltage ratio, being bridgeless, galvanic isolation, and leakage energy recycling. All the active switches in the proposed PFC can be operated under an identical control signal. In addition, the output voltage can be regulated only by single-loop control, instead of dual- or multiloop control. Therefore, the control scheme for the PFC is simple and much easier to carry out. The operation principle, theoretical analysis, and hardware validation to verify the proposed PFC are described.
Corresponding author: Chih-Lung Shen  This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Chih-Lung Shen and Li-Zhong Chen, Bridgeless Single-stage Step-down Power Factor Corrector under Synchronous Switching Control Scheme, Sens. Mater., Vol. 32, No. 6, 2020, p. 2045-2055. |
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