<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Autonomous off-grid systems might be seen as a favourable option when it comes to high grid connection fees and for a sustainable electric system in transition to a low-carbon, renewable-based decentralized system. To ensure such a system, accurate analysis of different scenarios is required to determine the optimal energy source mix and sizing of the off-grid system. Software computing techniques or mathematical models can help solve this task, but, unfortunately, it is unpredictable how actually such systems will perform in real life. There are not so many publications, where the real data and off-grid systems are analysed and compared to simulation results. Thus, this paper examines an experimental stand-alone electrical off-grid solution in Latvia. The operational data of real autonomous off-grid system are obtained for the off-grid system performance and control strategy analysis, which is highly relevant for the planning and dimensioning of affordable renewable off-grid systems.</p>
</abstract>

Autonomous off-grid systems might be seen as a favourable option when it comes to high grid connection fees and for a sustainable electric system in transition to a low-carbon, renewable-based decentralized system. To ensure such a system, accurate analysis of different scenarios is required to determine the optimal energy source mix and sizing of the off-grid system. Software computing techniques or mathematical models can help solve this task, but, unfortunately, it is unpredictable how actually such systems will perform in real life. There are not so many publications, where the real data and off-grid systems are analysed and compared to simulation results. Thus, this paper examines an experimental stand-alone electrical off-grid solution in Latvia. The operational data of real autonomous off-grid system are obtained for the off-grid system performance and control strategy analysis, which is highly relevant for the planning and dimensioning of affordable renewable off-grid systems.

Analysis of Experimental Data from Household Off-Grid System in Latvia

Latvia University of Life Sciences and Technologies

Latvian Journal of Physics and Technical Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Analysis of Experimental Data from Household Off-Grid System in Latvia"}

Autonomous off-grid systems might be seen as a favourable option when it comes to high grid connection fees and for a sustainable electric system in transition...

Analysis of Experimental Data from Household Off-Grid System in Latvia

Published Online: May 30, 2023

Page range: 3 - 17

DOI: https://doi.org/10.2478/lpts-2023-0014

Keywords
Equipment sizing, experimental off-grid system, power flow control based on battery voltage level

© 2023 O. Linkevičs et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Analysis of Experimental Data from Household Off-Grid System in Latvia

Published Online: May 30, 2023

Page range: 3 - 17

DOI: https://doi.org/10.2478/lpts-2023-0014

KeywordsEquipment sizing, experimental off-grid system, power flow control based on battery voltage level

© 2023 O. Linkevičs et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Equipment sizing, experimental off-grid system, power flow control based on battery voltage level