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Analysis and Design of a New Extendable Sepic Converter with High Voltage Gain and Reduced Components for Photovoltaic Applications
Univ Tabriz, Tabriz, Iran.
Islamic Azad Univ Tabriz, Tabriz, Iran.
Univ Tabriz, Tabriz, Iran.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.ORCID iD: 0000-0002-0208-9112
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2019 (English)In: 2019 10th International Power Electronics, Drive Systems and Technologies Conference (PEDSTC), IEEE, 2019, p. 492-497, article id 8697249Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a high step-up DC-DC converter which is appropriate for Photovoltaic systems. This topology has been combined from an extended switched-capacitor and a common SEPIC converter. Low components and high-voltage-gain are the main benefits of the introduced topology. Low rate current ripple, easy control and continuous input current are other advantages of the presented structure. Integrating the switched-capacitor with the SEPIC converter leads to increase the output voltage with variable conversion ratio which can be used for a wide range of loads. The switched-capacitor converter provides a constant dc output voltage while the SEPIC converter extracts maximum power of PV panels because it operates under control of duty cycle. Continuous input current is highly suitable for PV applications. The operating principles and steady-state analysis of the suggested topology are discussed in detail. In order to assess the effectiveness of the presented topology, it has been simulated on PSCAD/EMTDC software.

Place, publisher, year, edition, pages
IEEE, 2019. p. 492-497, article id 8697249
Keywords [en]
SEPIC converter, Switched-capacitor, High dc output voltage, Photovoltaic applications
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-35503DOI: 10.1109/PEDSTC.2019.8697249ISI: 000469800900085Scopus ID: 2-s2.0-85065477474ISBN: 978-1-5386-9254-7 (electronic)OAI: oai:DiVA.org:miun-35503DiVA, id: diva2:1281686
Conference
10th Annual International Power Electronics, Drive Systems and Technologies Conference (PEDSTC2019)
Available from: 2019-01-23 Created: 2019-01-23 Last updated: 2019-07-09Bibliographically approved

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Bertilsson, Kent

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