DC Ice-Melting Model for Elliptic Glaze Iced Conductor

Both practices and experiments show that the cross-section shape of iced conductor has an obvious influence on ice-melting time, but it is ignored by almost all existing ice-melting models which assume that the iced conductor has a perfect circular cross-section shape. Based on the observed results...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2011-10, Vol.26 (4), p.2697-2704
Main Authors: Fan, Songhai, Jiang, Xingliang, Shu, Lichun, He, Pu, Liu, Ping, Nie, Hongyu
Format: Article
Language:English
Subjects:
Applied sciences
Computer simulation
Conductors
Conductors (devices)
Cross sections
Direct current
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Exact sciences and technology
Glazes
Heat transfer
Heating
Ice melting model
ice melting time
ice storm
Ice thickness
iced conductor
Icing
Mathematical models
Modeling
Shape
Stations
transmission line
Transmission lines
Various equipment and components
Wind speed
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Summary:Both practices and experiments show that the cross-section shape of iced conductor has an obvious influence on ice-melting time, but it is ignored by almost all existing ice-melting models which assume that the iced conductor has a perfect circular cross-section shape. Based on the observed results in the natural icing station, this paper has analyzed the shape characteristic of the iced conductor, and described the cross-section shape of iced conductor with an ellipse, then put forward a model to simulate the ice-melting process on an iced conductor with an elliptic cross-section. The simulated results have been validated in the natural icing station. The results of experiments and simulations show that the ice-melting time of the elliptic iced conductor is less than that of the circular iced conductor.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2011.2156433