Different Approaches of Dynamic Line Rating Calculations

Nowadays in the electricity system several challenges have been appeared that system operators have to cope with. One of the major challenges is to increase the transmission capacity of the overhead lines (OHL), while maintaining the safety and security level of the network. Dynamic Line Rating (DLR) by monitoring the real-time environmental parameters next to the conductor is a promising and cost-effective way to use the existing infrastructure with higher efficiency. There are several different deterministic DLR models in the international literature, but there are also other approaches based on soft computing or Monte Carlo simulations for the calculation of transmission capacity. The aim of this paper is to demonstrate the operation of the different models by presenting a real case study.