Corridor-level dynamic line rating of overhead transmission lines using spatial discretization and distributed meteorological data
Artykuł w czasopiśmie
MNiSW
100
Lista 2024
| Status: | |
| Autorzy: | Margita Frantisek, Beňa Ľubomír, Binkowski Tomasz, Pijarski Paweł, Adamek Sylwester |
| Dyscypliny: | |
| Aby zobaczyć szczegóły należy się zalogować. | |
| Rok wydania: | 2026 |
| Wersja dokumentu: | Elektroniczna |
| Język: | angielski |
| Wolumen/Tom: | 182 |
| Numer artykułu: | 112238 |
| Strony: | 1 - 17 |
| Impact Factor: | 5,3 |
| Web of Science® Times Cited: | 0 |
| Scopus® Cytowania: | 0 |
| Bazy: | Web of Science | Scopus |
| Efekt badań statutowych | NIE |
| Finansowanie: | This paper was supported by the Science Grant Agency of the Ministry of Education, Research, Development and Youth of the Slovak Republic under the contract VEGA 1/0532/25 and by the Slovak Research and Development Agency under contracts No. APVV-19-0576 and APVV-21-0312. |
| Materiał konferencyjny: | NIE |
| Publikacja OA: | TAK |
| Licencja: | |
| Sposób udostępnienia: | Witryna wydawcy |
| Wersja tekstu: | Ostateczna wersja opublikowana |
| Czas opublikowania: | W momencie opublikowania |
| Data opublikowania w OA: | 26 października 2026 |
| Abstrakty: | angielski |
| Thermal limits increasingly constrain the use of existing overhead transmission lines as renewable generation and cross-border transfers grow, while conventional static ratings do not reflect spatially variable cooling along entire corridors. This study developed a corridor-level dynamic ampacity assessment that combines geospatial route discretization, distributed meteorological data, and a standardized conductor heat-balance model. The line route was represented as a polyline, divided into regularly spaced evaluation points, and local steady-state ampacity was calculated at each point using 15 min meteorological inputs. System ampacity was defined as the spatial minimum of local ampacity, enabling limiting-location tracking, single-point representativeness assessment, spatial-step sensitivity analysis, meteorological-input uncertainty evaluation, and intra-interval wind-variability testing. The framework was applied to a 400 kV overhead transmission-line corridor in Slovakia. The system ampacity exceeded the static line rating during 97.76% of the valid annual profile, while the limiting location migrated along the route. The 1 km discretization preserved the main annual ampacity indicators relative to the 250 m reference, although bottleneck localization was more sensitive to spatial resolution. Terminal-substation weather representation produced higher annual ampacity than the corridor-level result, confirming the potential for single-point overestimation. Wind-related uncertainty affected both steady-state margins and transient temperature exceedance. The proposed framework provides a system-representative basis for dynamic ampacity assessment under spatially non-uniform meteorological conditions. |
