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Open AccessArticle

A Flexible Power Electronics Configuration for Coupling Renewable Energy Sources

1
Department of Industrial Engineering, University of Padua, Via Gradenigo, 6/a, 35131 Padova, Italy
2
Department of Engineering Cybernetics, Norwegian University of Science and Technology, O.S. Bragstads plass 2, 7491 Trondheim, Norway
3
Ingeteam Power Technology S.A., Parque Tecnológico de Bizkaia, Zamudio (Bizcaya), 48170 Spain
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Bimal K. Bose
Electronics 2015, 4(2), 283-302; https://doi.org/10.3390/electronics4020283
Received: 23 March 2015 / Revised: 2 May 2015 / Accepted: 4 May 2015 / Published: 11 May 2015
(This article belongs to the Special Issue Multi-Level Converters)
A combination of series, parallel and multilevel power electronics has been investigated as a potential interface for two different types of renewable energy sources and in order to reach higher power levels. Renewable energy sources are typically dispersed in a territory, and sources, like wind and solar, allow small to medium-scale generation of electricity. The configuration investigated in this article aims at adapting the coupling solution to the specific generation characteristics of the renewable energy source to make it fit the electrical network. The configuration consists of a combination of three-phase multilevel converters and single-phase inverters, which are designed to provide flexibility, high power quality and high efficiency. A detailed analysis and simulation is performed to identify the properties in conjunction with the electrical grid requirements and the potential challenges encountered during operation. An optimized operation example of wind generation combined with solar PV generation is presented to exemplify the flexibility and benefits of the proposed configuration. View Full-Text
Keywords: neutral point clamped (NPC); insulated gate bipolar transistor (IGBT); H-bridge; zero sequence blocking transformer (ZSBT); voltage dip; phasors; balancing circuits; maximum power point tracking (MPPT) neutral point clamped (NPC); insulated gate bipolar transistor (IGBT); H-bridge; zero sequence blocking transformer (ZSBT); voltage dip; phasors; balancing circuits; maximum power point tracking (MPPT)
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MDPI and ACS Style

Filippini, M.; Molinas, M.; Oregi, E.O. A Flexible Power Electronics Configuration for Coupling Renewable Energy Sources. Electronics 2015, 4, 283-302. https://doi.org/10.3390/electronics4020283

AMA Style

Filippini M, Molinas M, Oregi EO. A Flexible Power Electronics Configuration for Coupling Renewable Energy Sources. Electronics. 2015; 4(2):283-302. https://doi.org/10.3390/electronics4020283

Chicago/Turabian Style

Filippini, Mattia; Molinas, Marta; Oregi, Eneko O. 2015. "A Flexible Power Electronics Configuration for Coupling Renewable Energy Sources" Electronics 4, no. 2: 283-302. https://doi.org/10.3390/electronics4020283

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