Abstract
The severe wind is one of the most threatening natural disasters for power grid operation. To solve the problem of the wind hazard assessment of power grid, a region power grid wind hazard precaution system is proposed in this paper by using weather and power grid data and geographical information. This system consists of two forecast models that the first is the statistical diagnosis model based on Partial least-squares and Model Output Statistics (PLS-MOS) method, and the second is the numerical forecasting model by the combination of mesoscale numerical model and microscale boundary layer model (MM5-CALMAT). Finally, according to the wind-resistant design parameters of transmission towers, a precaution information management platform based on the grid disaster prevention and reduction system (GDPRS) is supplied in order to remind the relevant operator for their decision-making and emergency treatment through real-time SMS and GIS location display. It is of important practical significance and application value for power grid disaster prevention and reduction.
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