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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Protection of Overhead Lines Against Climatic Factors
 Petr, Pavel ; Novotný, Jan (referee) ; Orságová, Jaroslava (advisor)
Overhead power lines are devices on the transmission of electrical energy, which must resist the mechanical and electrical strain. The criterion for correct suggestion of overhead lines is the control of the limit level loads. This thesis aims to discuss the weather influences acting on the wires overhead. The first part focuses on the distribution of climatic factors influencing the wires overhead wires and calculations of strain for different weather factors. The second part is then focused on the protection of overhead against the negative effects caused by wind and icing. This thesis therefore deals primarily with the wals of de-icing of conductor overheads and with the calculations needed for the heating of wires. There are presented calculation procedures for determining basking current on de-icing from the conductors.
Detailed record
Protection of Overhead Lines Against Climatic Factors
 Petr, Pavel ; Novotný, Jan (referee) ; Orságová, Jaroslava (advisor)
Overhead power lines are devices on the transmission of electrical energy, which must resist the mechanical and electrical strain. The criterion for correct suggestion of overhead lines is the control of the limit level loads. This thesis aims to discuss the weather influences acting on the wires overhead. The first part focuses on the distribution of climatic factors influencing the wires overhead wires and calculations of strain for different weather factors. The second part is then focused on the protection of overhead against the negative effects caused by wind and icing. This thesis therefore deals primarily with the wals of de-icing of conductor overheads and with the calculations needed for the heating of wires. There are presented calculation procedures for determining basking current on de-icing from the conductors.
Detailed record

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