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A Buck-Boost Converter Modified to Utilize 600V GaN Power Devices in a PV Application Requiring 1200V DevicesSRDIC, S.   , DESPOTOVIC, Z. |
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Author keywords
buck-boost converter, converter topology, dc-dc power converters, GaN semiconductor devices, PV inverter
References keywords
power(24), electronics(21), photovoltaic(9), transformer(8), apec(8), phase(7), grid(7), systems(6), single(6), ipec(6)
Blue keywords are present in both the references section and the paper title.
About this article
Date of Publication: 2015-08-31
Volume 15, Issue 3, Year 2015, On page(s): 59 - 64
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2015.03008
Web of Science Accession Number: 000360171500008
SCOPUS ID: 84940729817
Abstract
This paper presents a buck-boost converter which is modified to utilize new 600 V gallium nitride (GaN) power semiconductor devices in an application requiring 1200 V devices. The presented buck-boost converter is used as a part of a dc/dc stage in an all-GaN photovoltaic (PV) inverter and it provides a negative voltage for the 3-level neutral-point-clamped (NPC) PWM inverter which is connected to the utility grid. Since in this application the transistor and the diode of the buck-boost converter need to block the sum of the PV string voltage (which is normally in the range from 150 to 350 V) and the dc bus voltage (which is in the order of 400 V), the 1200 V devices or series connection of 600 V devices need to be employed. Currently, 1200 V GaN power semiconductor devices are not commercially available. Therefore, the standard buck-boost converter is modified to enable the use of 600 V GaN devices in this particular application. Based on the proposed converter topology, a PSpice simulation model and a 600 W converter prototype were developed. Both simulation and experimental results show successful operation of the converter. |
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[1] A New Transformerless Single-Phase Buck-Boost AC Voltage Regulator, YALCIN, F., HIMMELSTOSS, F. A., Advances in Electrical and Computer Engineering, ISSN 1582-7445, Issue 2, Volume 16, 2016.
Digital Object Identifier: 10.4316/AECE.2016.02009 [CrossRef] [Full text]
[2] Digital Control of Four Switch Synchronous Buck-Boost Power Converter based on PIC18F4520 Microcontroller, Dordevic, Boban, Despotovic, Zeljko V., 2021 20th International Symposium INFOTEH-JAHORINA (INFOTEH), ISBN 978-1-7281-8229-2, 2021.
Digital Object Identifier: 10.1109/INFOTEH51037.2021.9400656 [CrossRef]
[3] Higher switching speed of power devices in series connection achieved by modifying the gate driver architecture, Nguyen, Van-Sang, Lefranc, Pierre, Crebier, Jean-Christophe, 2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), ISBN 978-90-75815-27-6, 2017.
Digital Object Identifier: 10.23919/EPE17ECCEEurope.2017.8099076 [CrossRef]
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
Permission for other use: The copyright owner's consent does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific written permission must be obtained from the Editor for such copying. Direct linking to files hosted on this website is strictly prohibited.
Disclaimer: Whilst every effort is made by the publishers and editorial board to see that no inaccurate or misleading data, opinions or statements appear in this journal, they wish to make it clear that all information and opinions formulated in the articles, as well as linguistic accuracy, are the sole responsibility of the author.
