Abstract

Based on meteorological disaster-meteorological correlation analysis of transmission lines, meteorological disaster condition model for transmission lines is established to determine whether transmission line meets meteorological conditions of meteorological disasters. Moreover, meteorological disaster risk coefficient covering parameters such as wind velocity and duration of meteorological disasters is proposed to measure meteorological disaster risk of transmission lines. In addition, according to mathematical statistics principle, risk coefficients of different meteorological disasters are classified to obtain different risk levels of meteorological disasters on the line that meet actual production needs during grid operation, and meteorological disaster warning model for transmission lines based on risk coefficients is established and verified with the help of historical meteorological data from power grid as well.

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