Maintenance Optimization for Unavailability Enhancement of Representative Interconnected Infrastructure Based on Minimum Cost

--------------------------- Basic information --------------------------- 1. Dataset: Maintenance Optimization for Unavailability Enhancement of Representative Interconnected Infrastructure Based on Minimum Cost Citation: Briš, R., Praks, P., Fujdiak, R., Vrtal, M., & Brkić, D. (2025). Maintenance optimization for unavailability enhancement of representative interconnected infrastructure based on minimum cost. Dataset. 2. DOI: 10.5281/zenodo.21682625 3. Contact information Name: Pavel Praks Institution: VSB-Technical University of Ostrava E-mail: [e-mail] ORCID: https://orcid.org/0000-0002-3913-7800 4. Dataset archiving (publication) date: 2026-07-29 5. Place of archiving (publication): Ostrava, Czechia 6. Dataset description: Original JPG/XLSX dataset from the original research. Precisely, there are 7 figures and 4 tables: Figure 1. Visualization of an integrated power and communication network infrastructure within a smart grid framework Figure 2. Directed AG representation of a power grid section, illustrating a distinct portion of the infrastructure Figure 3. Relationship between the time to start PM and maintenance cost for components-(a) DT2 Figure 3. Relationship between the time to start PM and maintenance cost for components-(b) T1 Figure 4. AG of the representative interconnected infrastructure from Figure 1 Figure 5. Unavailability evolution of the representative interconnected infrastructure SS in comparison with the unavailability of the power grid S1, within the mission time of 6 years and without PM Figure 6. Unavailability evolution of the power grid with optimal PM and without PM, within the mission time of 6 years Table 1. Comparative analysis of maintenance modelling literature across domains Table 2. Characteristic values of the power grid components, including the reliability characteristics Table 3. Increase in the maintenance cost depending on the changes of TP Table 4. Characteristic values of the communication and control components 7. Funding: This paper was supported by EU funds under the “Increasing the resilience of power grids in the context of decarbonisation, decentralisation and sustainable socioeconomic development” project, CZ.02.01.01/00/23_021/0008759, through the Operational Programme Johannes Amos Comenius. This work was supported by the grant of SGS 2 KAM 2024, No. SP2024/017, VSB-Technical University of Ostrava, Czech Republic. This research was funded by the Ministry of the Interior of the Czech Republic (project No. VK01030109) in the “Open call in security research 2023–2029” grant programme. In addition, this work was supported by the Ministry of Science, Technological Development and Innovation of the Republic of Serbia, grant number: 451-03-136/2025-03/200102.