Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21119
Title: A probability model of ice storm damages to transmission facilities
Authors: Yang, H
Chung, CY
Zhao, J
Dong, Z
Keywords: Copula function
Generalized Pareto distribution
Ice storm
Tower collapse
Transmission-line damage
Issue Date: 2013
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on power delivery, 2013, v. 28, no. 2, 6423854, p. 557-565 How to cite?
Journal: IEEE transactions on power delivery 
Abstract: A model based on the extreme value theory and copula functions is proposed to assess the probability of potential damages to transmission lines and towers during ice storms. Generalized Pareto distributions of freezing precipitation and wind speed are first derived. Copula functions are then employed to derive the joint probability distribution of ice and wind loads on both transmission lines and towers. Based on the proposed model, probabilities of transmission-line damage and tower collapse can be calculated. The validity and accuracy of the proposed model are verified by comparing the numerical results given by the model with historical data of a real transmission system during two serious ice storms in China. The proposed model will be highly useful for assessing efficacy of power systems emergency controls during ice storms.
URI: http://hdl.handle.net/10397/21119
ISSN: 0885-8977
EISSN: 1937-4208
DOI: 10.1109/TPWRD.2012.2212216
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