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Risk Assessment of Grid Frequency Deviation due to Wind Farm Active Power Fluctuation

机译：电网频率偏差风险评估由于风电场有效功率波动

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In order to assess the risk of grid frequency deviation caused by power fluctuations in a wind farm more precisely, an annual second-level wind power fluctuation model should be established. Firstly, the annual second-level wind speed considering the spatial correlation in a wind farm is constructed. The annual average wind speed with auto-correlation and satisfying the Weibull distribution is simulated, with which the second-level wind speed incorporating the spatial correlation of wind farm is calculated based on the Kaimal power spectrum in frequency domain. Finally, the wind power fluctuation is determined using the wind speed obtained previously and is utilized to estimate the subsequent frequency deviation. The effectiveness of the generated annual second-level wind power fluctuations is validated via simulations performed in MATLAB/Simulink.
机译：为了评估由风电场的功率波动引起的电网频率偏差的风险，更确切地说，应建立年二级风电波动模型。首先，考虑风电场空间相关的年二级风速。模拟了具有自动相关性和满足Weibull分布的年平均风速，利用其中，基于频域的Kaimal功率谱来计算包含风电场空间相关的第二级风速。最后，使用先前获得的风速确定风电波动，并利用以估计随后的频率偏差。生成的年二级风电波动的有效性通过在Matlab / Simulink中执行的模拟验证。

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