Application of Recurrence Plot to Wind Power Predictability Study under Different Sampling Intervals

Mao Yang; Yue Qi

doi:10.4028/www.scientific.net/AMM.672-674.195

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Application of Recurrence Plot to Wind Power Predictability Study under Different Sampling Intervals
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 672-674Application of Recurrence Plot to Wind Power...

Application of Recurrence Plot to Wind Power Predictability Study under Different Sampling Intervals

Abstract:

The accurate prediction of wind power is an important way to improve the safety and economy of wind power system operation in large scale. On one side, the accuracy of wind power prediction depends on the characterized degree of accuracy for wind power fluctuations under the used prediction method. On the other side, it depends on the inherent degree of predictability in the characteristics of wind power fluctuations. This text will focus on the predictability of wind power, and use recurrence plot and recurrence rate to analyze it in the qualitative and quantitative view, and analyze change rule of recurrence plot and recurrence rate under different time scales. The real case of a wind farm has been analyzed to demonstrate that predictability of wind power will be poorer when the sampling interval becomes large.