Reactive power optimization method for new energy grid connection
An optimization method and new energy technology, applied in reactive power compensation, reactive power adjustment/elimination/compensation, special data processing applications, etc. Small, increase the speed, reduce the effect of the number of scenes
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[0043] Attached below figure 1 And attached figure 2 Specific embodiments of the present invention are described in detail:
[0044] In this example, it is assumed that the forecast error of the output of the wind farm conforms to a mean value of 0 and a standard deviation of σ w normal distribution of . Scenario generation technology uses a large number of samples to approximate random variables with possible scenarios.
[0045] 1. The scene generation process is as follows: Assume that the cumulative distribution function of the random variable X (power) of the new energy power station is F(X), and the sampling process is as follows:
[0046] Firstly, the distribution function is equally divided into N parts with the number of samples, and the width of each interval is 1 / N. Random sampling is performed inside each interval, and the cumulative probability value of sampling in the i-th interval is
[0047] Where U is a random number in the interval [0,1]. When any sub...
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