A two-stage bidirectional DC-DC converter system and its control strategy
Publication type: Journal Article
Publication date: 2023-03-01
scimago Q1
wos Q1
SJR: 2.211
CiteScore: 16.5
Impact factor: 9.4
ISSN: 03605442, 18736785
Electrical and Electronic Engineering
Mechanical Engineering
Industrial and Manufacturing Engineering
General Energy
Pollution
Building and Construction
Civil and Structural Engineering
Abstract
With the development of more-electric aircrafts, bidirectional DC-DC converter has been widely used in this field. In order to improve the voltage regulation range and stability of the bidirectional DC-DC converter system, a two-stage bidirectional DC-DC converter with some operation modes is used and analyzed in this paper. The converter is composed of a four-switch buck-boost circuit and an isolated CLLC resonant circuit, where all MOSFETs can realize soft switching action. The four-switch buck-boost circuit regulates the output voltage in a certain range through the duty cycle control, and the CLLC resonant circuit can control the output voltage by changing its switching frequency, where the two-stage bidirectional DC-DC converter adopts voltage closed-loop control strategy to realize the stable voltage output. Due to the existence of the intermediate part conversion voltage, the converter has three-port network characteristics, which makes it applicable to the working occasions with multiple voltage levels. The feasibility of this two-stage bidirectional DC-DC converter system combined with control strategy and its three-port operation used for more-electric aircraft power system are verified by simulation analysis.
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19
Total citations:
19
Citations from 2024:
17
(89.48%)
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Liu Xiaobo 刘., Wu X. A two-stage bidirectional DC-DC converter system and its control strategy // Energy. 2023. Vol. 266. p. 126462.
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Liu Xiaobo 刘., Wu X. A two-stage bidirectional DC-DC converter system and its control strategy // Energy. 2023. Vol. 266. p. 126462.
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RIS
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TY - JOUR
DO - 10.1016/j.energy.2022.126462
UR - https://doi.org/10.1016/j.energy.2022.126462
TI - A two-stage bidirectional DC-DC converter system and its control strategy
T2 - Energy
AU - Liu Xiaobo, 刘晓波
AU - Wu, Xiaohua
PY - 2023
DA - 2023/03/01
PB - Elsevier
SP - 126462
VL - 266
SN - 0360-5442
SN - 1873-6785
ER -
Cite this
BibTex (up to 50 authors)
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@article{2023_Liu Xiaobo,
author = {刘晓波 Liu Xiaobo and Xiaohua Wu},
title = {A two-stage bidirectional DC-DC converter system and its control strategy},
journal = {Energy},
year = {2023},
volume = {266},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.energy.2022.126462},
pages = {126462},
doi = {10.1016/j.energy.2022.126462}
}