Naslov
Application of an Ice-Alarm in the OTLM System

Autori
Gubeljak, Nenad ; Lovrenčič, Viktor ; Banić, Bojan ; Pinterič, Marko ; Ivec, Andrej ; Jarc, Matjaž

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, ostalo, znanstveni

Skup
First South East European Regional CIGRÉ Conference

Mjesto i datum
Portorož, Slovenija, 07.06.2016. - 08.06.2016

Vrsta sudjelovanja
Ostalo

Vrsta recenzije
Podatak o recenziji nije dostupan

Ključne riječi
Overhead Transmission Line Monitoring, Ice, Alarm, Sag of Conductor, Tensile Force in Conductor

Sažetak
The developed system for Overhead Transmission Line Monitoring (OTLM) monitors the temperature and the conductor angle of inclination in order to maximise the utilization of the transmission line. Additionally, the measured temperature and the angle can be used by software application to detect conductor elongation by ice overload or a fallen tree. The mathematical relationship between the tensile force in the conductor and the sag is crucial for the calculation of the conductor elongation and the final length of the conductor over the constant span distance. The conductor elongation increases the deflection and the angle of inclination at the position of OTLM device. The reliability of ice thickness calculation depends on the reliability of temperature and angle measurements. The ice thickness on the conductor depends also on weather conditions and the temperature of the conductor. The difference between environment temperature and temperature of the conductor depends mainly on transmission current. In the framework of the OTLM-ICE application the operator of the transmission network can monitor the change in the sag and clearance of the conductor subjected to ice overloading. The operator can optimize and determine the suitable current of the transmission line in order to prevent damage in the early phase of freezing rain.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika, Strojarstvo, Interdisciplinarne tehničke znanosti, Informacijske i komunikacijske znanosti

POVEZANOST RADA