A Risk Assessment Method for AC-DC Hybrid System Containing Wind Power
An AC-DC hybrid and risk assessment technology, which is applied in the field of power flow calculation and risk assessment of power systems, and can solve problems such as not considering the impact of wind power grid systems.
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[0066]The present invention will be further described below in conjunction with the drawings and embodiments.
[0067]Such asfigure 1 As shown, a risk assessment method for an AC / DC hybrid system containing wind power specifically includes the following steps:
[0068]Step 1. According to the historical statistical data of wind speed of the wind farm, use the Weibull distribution biparameter curve to model the wind speed distribution of the wind farm;
[0069]The historical statistical data of wind speed comes from the hourly average wind speed data collected by the wind measuring tower of the local wind farm;
[0070]The general expression of the two-parameter Weibull distribution is:
[0071]
[0072]Among them, k is the shape parameter of the two-parameter Weibull distribution, reflecting the skewness of the Weibull distribution, and c is the scale parameter of the two-parameter Weibull distribution, reflecting the average wind speed in the wind speed distribution model;
[0073]Then the probability ...
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