Abstract
In recent years, lots of power grid blackouts at home and abroad indicates that the meteorological disasters caused by external meteorological conditions has gradually rose to major contradiction of power grid security. Basing on release information of meteorology, lightning monitoring information and power transmission equipment monitoring information, it established a weather warning model about power grid security, combined with real-time security analysis. Firstly, mathematical models of various types of weather conditions and weather risk assessment model grid were built, then actual operating conditions of a certain regional power grid and model results were compared, the comparison result prove the accuracy of the warning model, and provides a strong recommendation for decision-making.
Highlights
Meteorological natural disasters are the main factors threatening the safety of modern power grids
Some of our power dispatching center or power grid emergency command center to build the grid weather warning system[7,8], but these systems and technical solutions focus on meteorological information collection, monitoring, forecasting and early warning, in the security warning did not power grid real-time Safety analysis and the probability of meteorological disasters combined with the grid, did not achieve quantitative risk assessment
This paper studies and builds the mathematical model of meteorological conditions and the meteorological risk assessment model of the grid, and uses the meteorological information of the meteorological department, the lightning monitoring information and the meteorological information of the power transmission equipment to establish the relationship between the meteorological model and the risk assessment model, For all types of meteorological conditions under the grid dispatch department defense and decision-making to find new ways
Summary
HuiJing Bi1, HongYan Zhang1 ,YueMei Jiang and XiLan Zhao1 1State Grid Hebei Power Company, Training Centre, Shijiazhuang, China 2Beijing Kedong Electric Control System Co., Ltd, Beijing, China 3State Grid Gansu Electric Power Company, Dispatch department, Tianshui, China
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