New energy flexible direct current grid connection reliability estimation method
A flexible DC and reliable technology, applied in the direction of AC network circuits, resources, computing, etc., can solve problems such as difficult to meet the precise evaluation requirements of wind energy grid-connected systems, and achieve the effect of improving accuracy
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[0031] The present invention is described in further detail below in conjunction with accompanying drawing:
[0032] refer to figure 1 , the new energy flexible DC grid-connected reliability estimation method of the present invention includes the following steps:
[0033] 1) Determine the installed capacity of the wind farm, given the failure rate of the wind farm units, and then conduct wind speed sampling, then construct the output model of the wind farm unit according to the results of the wind speed sampling and the installed capacity of the wind farm, and according to the output of the wind farm unit Calculate the unit output of the wind farm based on the model and the failure rate of the wind farm unit, and use the unit output of the wind farm as the power generation of the wind farm unit;
[0034] 2) Calculate the total output of the wind farm units within the simulation time, determine the average output expectation of the wind farm units, and then calculate the ratio...
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