Abstract
Compared to conventional units, the inherent stochastic nature of wind power requires additional flexibility during power system operation. It is necessary to analyze the characteristics of wind power fluctuations. Based on the investigation of the actual operating data of province, this paper presents a comprehensive analysis of the wind power output characteristics from different dimensions, including daily output characteristics, seasonal output characteristics and probability distribution of wind power output. The research results could be available to predominate wind power operation characteristics for the planning and scheduling of the power grid. Analysis shows that the relevance between the output of wind power and the time is weak. And the fluctuation of hour-scale wind power is large, while summation of the outputs from different wind farms regional apart could effectively decrease the fluctuation of wind power. The peak-valley difference also will be increased after the wind farms are connected.
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