Enhancing the ampacity of a 400 KV overhead transmission line under real weather conditions: a case study using the CIGRE 601 methodology
Artykuł w czasopiśmie
MNiSW
5
spoza listy
| Status: | |
| Autorzy: | Margita Frantisek, Beňa Ľubomír, Pijarski Paweł, Adamek Sylwester, Baran Krzysztof, Hyseni Ardian, Glajc Kristián |
| Dyscypliny: | |
| Aby zobaczyć szczegóły należy się zalogować. | |
| Rok wydania: | 2026 |
| Wersja dokumentu: | Drukowana | Elektroniczna |
| Język: | angielski |
| Numer czasopisma: | 2 |
| Wolumen/Tom: | 26 |
| Strony: | 13 - 20 |
| Scopus® Cytowania: | 0 |
| Bazy: | 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. |
| 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: | 17 czerwca 2026 |
| Abstrakty: | angielski |
| A steady-state dynamic line rating (DLR) assessment was conducted for a 400 kV overhead transmission line in Slovakia using the standardized CIGRE Technical Brochure 601 methodology. The study was performed on the V427 corridor equipped with aluminium conductor steel-reinforced (ACSR) 243-AL1/39-ST1A conductors to evaluate the ampacity potential under realistic environmental conditions. Hourly meteorological data for the year 2024 were obtained from the Open Meteo API and included ambient temperature, wind speed and direction, and global tilted irradiance. The ampacity model accounted for Joule heating, solar gain, convective and radiative cooling, and the current limits were derived from the thermal equilibrium condition. The results showed that the average DLR exceeded the conventional static line rating (SLR) by 69.3 %, with exceedance observed during 99.4 % of the evaluated hours. The influence of weather parameters, particularly wind speed and angle of attack, on conductor performance was also quantified. These findings confirmed the feasibility of implementing DLR to enhance grid utilization, especially under conservative operating assumptions. |
