Method for evaluating grid operation safety risk caused by wind farm power fluctuation
A technology for power grid operation and power fluctuations, applied to electrical components, circuit devices, AC network circuits, etc., to achieve the effect of promoting safe and reliable consumption of large-scale wind power and reducing adverse effects
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[0047] Refer to the attached below figure 1 The present invention will be further described in detail in combination with examples.
[0048] figure 1 The step 1 described in is to gather basic information in the control center, including ultra-short-term power prediction information of wind farms with probability characteristics, as well as measured information of grid operation, load forecast information, conventional unit power generation plan information and maintenance plan information.
[0049] figure 1 Step 2 described in is to determine the starting time of the wind farm power fluctuations to be evaluated, and select two consecutive time t starting from that time i And t i+1 , According to the measured / predicted wind power information, determine the power fluctuation status of wind farms in the grid.
[0050] If the wind farm in the grid is in a state of rapid power fluctuations, proceed to step 3). If the wind farms in the power grid are in a state of gentle power fluct...
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