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Engineering Power : Bulletin of the Croatian Academy of Engineering, Vol. 19 No. 2, 2024.

Original scientific paper

Two-level energy planning approach for smart islands energy systems development

Marko Starčević ; University of Zagreb , Faculty of Mechanical Engineering and Naval Architecture, Ivana Lucica 5, 10002 Zagreb, Croatia
Marko Mimica ; University of Zagreb , Faculty of Mechanical Engineering and Naval Architecture, Ivana Lucica 5, 10002 Zagreb, Croatia
Antun Pfeifer ; University of Zagreb , Faculty of Mechanical Engineering and Naval Architecture, Ivana Lucica 5, 10002 Zagreb, Croatia
Evangelos Rikos ; Centre for Renewable Energy Sources and Saving (CRES), 19th km Marathonos Ave.19009, Pikermi Athens, Greece
Christoforos Perakis ; Hellenic Ministry of Environment and Energy, 119, Mesogeion Avenue, 11526 Athens, Attiki, Greece
Goran Krajačić ; University of Zagreb , Faculty of Mechanical Engineering and Naval Architecture, Ivana Lucica 5, 10002 Zagreb, Croatia
Neven Duić ; University of Zagreb , Faculty of Mechanical Engineering and Naval Architecture, Ivana Lucica 5, 10002 Zagreb, Croatia

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Abstract

Energy planning of islanded systems has always presented a challenge due to their weak connection with the mainland. In order to tackle this issue and make transition of islands energy systems to autonomous, secure and low-carbon systems it is necessary to take into account local needs and resources as well as pay attention to security of electric power system. Two level energy planning approach presented in this paper provides unambiguous solution to this challenge. Several energy planning scenarios were developed with RenewIslands method and modelled with energy planning software in order to research how integration of transport and energy production facilitate the transition to 100% energy self-sufficient island. Developed scenarios are subjected to load flow analysis that was performed in load flow tool. Research was conducted on island of Vis in Croatia and the results showed that Vis exports 6.8% of its production in HighRES scenario as opposed to LowRES scenario where it is 100% dependent on import. Implementation of parking lot for electric vehicles on island of Vis allowed more control and lowered the voltage values on observed node 45 from 10.3 kV to 10.18 kV for RES scenario.

Keywords

Energy planning, Smart islands, Load flow, Electric vehicles, Smart Grid

Hrčak ID:

329919

URI

https://hrcak.srce.hr/329919

Publication date:

31.3.2025.

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