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Open AccessReview

Review on Building-Integrated Photovoltaics Electrical System Requirements and Module-Integrated Converter Recommendations

1
Department of Electrical Engineering, ESAT, KU Leuven, Kasteelpark Arenberg 10, 3001 Leuven, Belgium
2
EnergyVille, Thor Park 8310, 3600 Genk, Belgium
*
Author to whom correspondence should be addressed.
Energies 2019, 12(8), 1532; https://doi.org/10.3390/en12081532
Received: 26 March 2019 / Revised: 16 April 2019 / Accepted: 17 April 2019 / Published: 23 April 2019
(This article belongs to the Special Issue Alternative Energy Systems in Buildings)
Since building-integrated photovoltaic (BIPV) modules are typically installed during, not after, the construction phase, BIPVs have a profound impact compared to conventional building-applied photovoltaics on the electrical installation and construction planning of a building. As the cost of BIPV modules decreases over time, the impact of electrical system architecture and converters will become more prevalent in the overall cost of the system. This manuscript provides an overview of potential BIPV electrical architectures. System-level criteria for BIPV installations are established, thus providing a reference framework to compare electrical architectures. To achieve modularity and to minimize engineering costs, module-level DC/DC converters preinstalled in the BIPV module turned out to be the best solution. The second part of this paper establishes converter-level requirements, derived and related to the BIPV system. These include measures to increase the converter fault tolerance for extended availability and to ensure essential safety features. View Full-Text
Keywords: PV; BIPV; LVDC; DC/DC module-level converters PV; BIPV; LVDC; DC/DC module-level converters
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Ravyts, S.; Dalla Vecchia, M.; Van den Broeck, G.; Driesen, J. Review on Building-Integrated Photovoltaics Electrical System Requirements and Module-Integrated Converter Recommendations. Energies 2019, 12, 1532.

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