Abstract
Cable rotation caused by ice accretion was specifically modelled and simulated for this paper. Both ice loads and wind-on-ice loads were taken into account during the modelling, and the quantity for the wind-on-ice loads was obtained by integrating air pressure and air shear along the airflow boundary. Air pressure and air shear were both evaluated through time-dependent airflow computations. Two types of overhead transmission line cables, namely, the Bersimis cable and an overhead ground wire, were examined using the new model, and a number of conclusions were drawn. The validity and reliability of the modelling methods were confirmed by comparing the simulation results with those obtained from experimental measurements.Key words: airflow computation, cable rotation, ice accretion, computer modelling, simulation.
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