Date
2014Author
Felgemacher, ChristianJäger, PhilippKobeissi, AliPfeiffer, JonasWiegand, DennisKruschel, WolframDombert, BenjaminZacharias, PeterAraújo, Samuel VasconcelosMetadata
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Konferenzveröffentlichung![](/themes/Mirage2/images/Open_Access_logo_PLoS_transparent.svg)
Design of Photovoltaic Microinverter for Off-Grid and Grid-Parallel Applications
Abstract
The design and construction of a 500VA microinverter for photovoltaic applications is presented. The developed microinverter is capable of operating as a standalone AC voltage source for small loads or, alternatively, as a grid-parallel system. Possible applications are therefore small off-grid installations as well as installations where space constraints do not allow enough modules to be combined to use string inverters. The design of the microinverter is based on a two stage concept. Two alternative topologies for the DC-DC converter stage have been considered. A prototype using a current-fed push-pull converter and a full-bridge output stage has been built and was shown to be operational. The prototype has achieved a maximum overall efficiency of 93.9 %, which includes all sensing, control and driving losses. SiC MOSFETs have been utilized to illustrate the capability of wide-band-gap devices.
Citation
In: (Hrsg.): CIPS 2014; 8th International Conference on Integrated Power Electronics Systems. VDE Verlag: Berlin 2014, S. ; isbn:978-3-8007-3578-5Additional Information
Proceedings der Konferenz "8th International Conference on Integrated Power Electronics Systems" CIPS 2014, gehalten vom 25.-27. Februar 2014 in Nürnberg.Citation
@inproceedings{doi:10.17170/kobra-202109144762,
author={Felgemacher, Christian and Jäger, Philipp and Kobeissi, Ali and Pfeiffer, Jonas and Wiegand, Dennis and Kruschel, Wolfram and Dombert, Benjamin and Zacharias, Peter and Araújo, Samuel Vasconcelos},
title={Design of Photovoltaic Microinverter for Off-Grid and Grid-Parallel Applications},
booktitle={CIPS 2014; 8th International Conference on Integrated Power Electronics Systems},
year={2014}
}
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2021-09-15T10:32:12Z 2021-09-15T10:32:12Z 2014 doi:10.17170/kobra-202109144762 http://hdl.handle.net/123456789/13245 Proceedings der Konferenz "8th International Conference on Integrated Power Electronics Systems" CIPS 2014, gehalten vom 25.-27. Februar 2014 in Nürnberg. eng VDE Verlag Urheberrechtlich geschützt https://rightsstatements.org/page/InC/1.0/ 620 Design of Photovoltaic Microinverter for Off-Grid and Grid-Parallel Applications Konferenzveröffentlichung The design and construction of a 500VA microinverter for photovoltaic applications is presented. The developed microinverter is capable of operating as a standalone AC voltage source for small loads or, alternatively, as a grid-parallel system. Possible applications are therefore small off-grid installations as well as installations where space constraints do not allow enough modules to be combined to use string inverters. The design of the microinverter is based on a two stage concept. Two alternative topologies for the DC-DC converter stage have been considered. A prototype using a current-fed push-pull converter and a full-bridge output stage has been built and was shown to be operational. The prototype has achieved a maximum overall efficiency of 93.9 %, which includes all sensing, control and driving losses. SiC MOSFETs have been utilized to illustrate the capability of wide-band-gap devices. open access Felgemacher, Christian Jäger, Philipp Kobeissi, Ali Pfeiffer, Jonas Wiegand, Dennis Kruschel, Wolfram Dombert, Benjamin Zacharias, Peter Araújo, Samuel Vasconcelos Berlin Fotovoltaik Inverter <Schaltung> Konverter <Elektronik> Gleichstrom publishedVersion CIPS 2014; 8th International Conference on Integrated Power Electronics Systems isbn:978-3-8007-3578-5 ETG-Fachbericht 141 false
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