Power grid evolution trend analysis method
A trend analysis, power grid technology, applied in the field of power system, can solve problems such as poor practicability of calibration methods
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[0024] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments.
[0025] The present invention is a method for analyzing the evolution trend of a power grid. First, it proposes static security trend analysis, transient security trend analysis, small disturbance stability trend analysis, short-circuit current trend analysis, and voltage stability trend analysis methods that are different from traditional online stability analysis; secondly, it summarizes The dominant factors that affect the changes in the stability of the power grid are classified and summarized into an index system that can evaluate the future stability of the power grid; finally, focusing on the "quick assessment" of the future trend of the power grid, the dynamic power flow calculation method is used to meet continuous power flow calculations when power is unbalanced. Convergence, improve the robustness of the estimated step size of the existing cont...
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