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Increased photovoltaic utilisation from direct current distribution: Quantification of geographical location impact
RISE Research Institutes of Sweden, Built Environment, Energy and Resources. Chalmers University of Technology, Sweden.ORCID iD: 0000-0001-6060-5624
Chalmers University of Technology, Sweden.
RISE Research Institutes of Sweden, Built Environment, Energy and Resources.
RISE Research Institutes of Sweden, Built Environment, Energy and Resources.ORCID iD: 0000-0001-8253-7490
2021 (English)In: Progress in Photovoltaics, ISSN 1062-7995, E-ISSN 1099-159X, Vol. 29, no 7, p. 846-856Article in journal (Refereed) Published
Abstract [en]

In this paper, the performance of a direct current (DC) distribution system is modelled for a single-family residential building and compared with a conventional alternating current (AC) system to quantify the potential energy savings and gains in photovoltaic (PV) utilisation. The modelling is made for two different climates to quantify the impact of the geographical location. Results show that the system losses are reduced by 19–46% and the PV utilisation increased by 3.9–7.4% when using a DC distribution system compared to an AC equivalent, resulting in system efficiency gains in the range of 1.3–8.8%. Furthermore, it is shown that the geographical location has some effect on the system's performance and PV utilisation, but most importantly, the grid interaction is paramount for the performance of the DC topology. © 2021 The Authors.

Place, publisher, year, edition, pages
John Wiley and Sons Ltd , 2021. Vol. 29, no 7, p. 846-856
Keywords [en]
battery storage, direct current (DC), energy savings, photovoltaic, PV load correlation, residential building, Electric impedance measurement, Energy conservation, Potential energy, Alternating current, DC distribution system, Direct current distributions, Distribution systems, Geographical locations, System efficiency, System's performance, Location
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:ri:diva-52970DOI: 10.1002/pip.3407Scopus ID: 2-s2.0-85103655459OAI: oai:DiVA.org:ri-52970DiVA, id: diva2:1546206
Note

 Funding details: Energimyndigheten, 43276‐1, 47273‐1; Funding text 1: The authors would like to acknowledge the Swedish Energy Agency (‘Energimyndigheten’) who has funded this research through Grants 43276‐1 and 47273‐1.

Available from: 2021-04-21 Created: 2021-04-21 Last updated: 2023-06-02Bibliographically approved

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Ollas, PatrikMarkusson, Caroline

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